CN112819201B

CN112819201B - Method, device and computer equipment for determining cluster well layout mode

Info

Publication number: CN112819201B
Application number: CN202110003812.1A
Authority: CN
Inventors: 周华兴; 赵平起; 张学强; 唐世忠; 葛党科; 步宏光; 李娟�; 王强; 张伟; 张军
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2024-03-05
Anticipated expiration: 2041-01-04
Also published as: CN112819201A

Abstract

The application discloses a method, a device and computer equipment for determining a cluster well layout mode, and belongs to the technical field of oil and gas field development. Taking the application to computer equipment as an example, the method comprises the following steps: and determining the reference resource quantity which can be obtained by developing the target oil-gas field according to a single well layout mode, wherein the target oil-gas field comprises a plurality of oil-gas targets, and the single well layout mode is a mode that single well sites are in one-to-one correspondence with the oil-gas targets. A first cluster well layout mode is obtained and is used for indicating at least one cluster well site, and any cluster well site corresponds to at least two oil and gas targets. A first amount of resources available to develop the target field in a first cluster well layout is determined. Updating the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount to obtain a second cluster well layout mode, wherein the second cluster well layout mode is used for developing the target oil-gas field, and the second resource amount corresponding to the second cluster well layout mode is larger than the first resource amount.

Description

Method, device and computer equipment for determining cluster well layout mode

Technical Field

The application relates to the technical field of oil and gas field development, in particular to a method, a device and computer equipment for determining a cluster well layout mode.

Background

With the development of oil and gas field development technologies, the types of oil and gas wells are increasing, and cluster wells are one of them. The cluster wells are a group of directional wells, the wellheads of all the directional wells are positioned in the same well site, and the extending directions of different directional wells are different. In the process of developing an oil and gas field by adopting a cluster well, the layout of the cluster well influences the resource acquisition amount of the oil and gas field. Therefore, how to determine a suitable cluster well layout is a problem to be solved.

Disclosure of Invention

The embodiment of the application provides a method, a device and computer equipment for determining a cluster well layout mode, wherein the technical scheme is as follows:

in one aspect, a method for determining a cluster well layout mode is provided, the method is applied to a computer device, and the method includes:

determining a reference resource amount which can be obtained by developing a target oil and gas field according to a single well layout mode, wherein the target oil and gas field comprises a plurality of oil and gas targets, and the single well layout mode is a mode that single well sites are in one-to-one correspondence with the oil and gas targets;

Acquiring a first cluster well layout mode, wherein the first cluster well layout mode is used for indicating at least one cluster well site, and any cluster well site corresponds to at least two oil and gas targets;

determining a first amount of resources available to develop the target field in accordance with the first cluster well layout;

updating the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount to obtain a second cluster well layout mode, wherein the second cluster well layout mode is used for developing the target oil-gas field, and the second resource amount corresponding to the second cluster well layout mode is larger than the first resource amount.

In an exemplary embodiment, the updating the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount to obtain a second cluster well layout mode includes:

determining a target cluster well site in the cluster well sites indicated by the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount;

updating the target cluster well sites to obtain a second cluster well layout mode, wherein the number of the cluster well sites indicated by the second cluster well layout mode is larger than that of the cluster well sites indicated by the first cluster well layout mode.

In an exemplary embodiment, the determining a target cluster well site in the cluster well sites indicated by the first cluster well layout manner based on the comparison result of the reference resource amount and the first resource amount includes:

determining an average resource amount of each cluster well site in response to the comparison result indicating that the reference resource amount is smaller than the first resource amount, and determining a cluster well site with the smallest average resource amount as the target cluster well site, wherein the average resource amount of any cluster well site is a ratio of the resource amount corresponding to any cluster well site to the oil and gas target number corresponding to any cluster well site;

updating the target cluster well site to obtain the second cluster well layout mode, including:

dividing the target cluster well sites into more than two cluster well sites to obtain divided cluster well sites;

and obtaining the second cluster well layout mode based on the divided cluster well sites and other cluster well sites except the target cluster well site in the cluster well sites indicated by the first cluster well layout mode.

In an exemplary embodiment, the obtaining the second cluster well layout mode based on the partitioned cluster well sites and other cluster well sites except the target cluster well site in the cluster well sites indicated by the first cluster well layout mode includes:

in response to the other cluster well sites including a cluster well site associated with the partitioned cluster well site, adjusting the associated cluster well site based on the partitioned cluster well site to obtain an adjusted other cluster well site;

and obtaining the second cluster well layout mode based on the divided cluster well sites and the adjusted other cluster well sites.

In an exemplary embodiment, any one of the cluster well sites corresponds to a control distance, and determining a target cluster well site in the cluster well sites indicated by the first cluster well layout manner based on the comparison result of the reference resource amount and the first resource amount includes:

determining each cluster well site as the target cluster well site in response to the comparison result indicating that the reference resource amount is not less than the first resource amount;

reducing the control distance corresponding to the target cluster well site to obtain an updated target cluster well site;

and adding a new cluster well site based on the updated target cluster well site, and obtaining the second cluster well layout mode based on the updated target cluster well site and the new cluster well site.

In an exemplary embodiment, after updating the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount to obtain a second cluster well layout mode, the method further includes:

performing a plurality of iterative processes based on the reference resource amount and the second resource amount, wherein a third cluster well layout mode is obtained in any iterative process, and the obtained third cluster well layout mode corresponds to the third resource amount;

determining a target iteration process from the multiple iteration processes, wherein a third cluster well layout mode obtained in the target iteration process is used for replacing the second cluster well layout mode to develop the target oil-gas field;

the third resource amount corresponding to the target iterative process is larger than the second resource amount and is larger than the third resource amount corresponding to the next iterative process of the target iterative process.

in the cluster well sites indicated by the first cluster well layout mode, respectively updating each other cluster well site except the target cluster well site, and obtaining a fourth cluster well layout mode in the updating process of any other cluster well site, wherein the obtained fourth cluster well layout mode corresponds to a fourth resource amount;

and in response to the fourth resource amount corresponding to any one of the fourth cluster well layouts being greater than the second resource amount, the any one of the fourth cluster well layouts is used to develop the target field in place of the second cluster well layout.

In an exemplary embodiment, the obtaining the first cluster well layout mode includes:

determining a plurality of alternative control distances and determining drilling difficulty values corresponding to the alternative control distances;

and acquiring the first cluster well layout mode based on the largest alternative control distance in the alternative control distances corresponding to the drilling difficulty values not larger than the threshold value.

In one aspect, an apparatus for determining a cluster well layout is provided, the apparatus comprising:

the first determining module is used for determining the reference resource quantity which can be obtained by developing a target oil-gas field according to a single well layout mode, wherein the target oil-gas field comprises a plurality of oil-gas targets, and the single well layout mode is a mode that single well sites are in one-to-one correspondence with the oil-gas targets;

the system comprises an acquisition module, a first cluster well layout mode and a second cluster well layout mode, wherein the acquisition module is used for acquiring a first cluster well layout mode, the first cluster well layout mode is used for indicating at least one cluster well site, and any cluster well site corresponds to at least two oil gas targets;

a second determining module, configured to determine a first amount of resources available to develop the target oil and gas field according to the first cluster well layout manner;

the updating module is used for updating the first cluster well layout mode based on the comparison result of the reference resource quantity and the first resource quantity to obtain a second cluster well layout mode, the second cluster well layout mode is used for developing the target oil-gas field, and the second resource quantity corresponding to the second cluster well layout mode is larger than the first resource quantity.

In an exemplary embodiment, the updating module is configured to determine a target cluster well site in the cluster well sites indicated by the first cluster well layout manner based on the comparison result of the reference resource amount and the first resource amount; updating the target cluster well sites to obtain a second cluster well layout mode, wherein the number of the cluster well sites indicated by the second cluster well layout mode is larger than that of the cluster well sites indicated by the first cluster well layout mode.

In an exemplary embodiment, the updating module is configured to determine, in response to the comparison result indicating that the reference resource amount is smaller than the first resource amount, an average resource amount of each cluster well site, and determine, as the target cluster well site, a cluster well site with the smallest average resource amount, where the average resource amount of any one cluster well site is a ratio of the resource amount corresponding to the any one cluster well site to the number of oil and gas targets corresponding to the any one cluster well site; dividing the target cluster well sites into more than two cluster well sites to obtain divided cluster well sites; and obtaining the second cluster well layout mode based on the divided cluster well sites and other cluster well sites except the target cluster well site in the cluster well sites indicated by the first cluster well layout mode.

In an exemplary embodiment, the updating module is configured to, in response to the other cluster well sites including a cluster well site related to the partitioned cluster well site, adjust the related cluster well site based on the partitioned cluster well site to obtain an adjusted other cluster well site; and obtaining the second cluster well layout mode based on the divided cluster well sites and the adjusted other cluster well sites.

In an exemplary embodiment, the updating module is configured to determine each cluster well site as the target cluster well site in response to the comparison result indicating that the reference resource amount is not less than the first resource amount; reducing the control distance corresponding to the target cluster well site to obtain an updated target cluster well site; and adding a new cluster well site based on the updated target cluster well site, and obtaining the second cluster well layout mode based on the updated target cluster well site and the new cluster well site.

In an exemplary embodiment, the apparatus further comprises: the iteration module is used for carrying out a plurality of iteration processes based on the reference resource quantity and the second resource quantity, and a third cluster well layout mode is obtained in any iteration process, and the obtained third cluster well layout mode corresponds to the third resource quantity; determining a target iteration process from the multiple iteration processes, wherein a third cluster well layout mode obtained in the target iteration process is used for replacing the second cluster well layout mode to develop the target oil-gas field; the third resource amount corresponding to the target iterative process is larger than the second resource amount and is larger than the third resource amount corresponding to the next iterative process of the target iterative process.

In an exemplary embodiment, the updating module is further configured to update, in the cluster well sites indicated by the first cluster well layout manner, each other cluster well site except the target cluster well site, and a fourth cluster well layout manner is obtained in the updating process of any other cluster well site, where the obtained fourth cluster well layout manner corresponds to a fourth resource amount; and in response to the fourth resource amount corresponding to any one of the fourth cluster well layouts being greater than the second resource amount, the any one of the fourth cluster well layouts is used to develop the target field in place of the second cluster well layout.

In an exemplary embodiment, the obtaining module is configured to determine a plurality of alternative control distances, and determine drilling difficulty values corresponding to the alternative control distances; and acquiring the first cluster well layout mode based on the largest alternative control distance in the alternative control distances corresponding to the drilling difficulty values not larger than the threshold value.

In another aspect, a computer device is provided that includes a memory and a processor; the memory stores at least one instruction that is loaded and executed by the processor to implement the method for determining a cluster well layout provided in any of the exemplary embodiments of the present application.

The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:

after the first cluster well layout mode is obtained, updating the first cluster well layout mode to obtain a second cluster well layout mode according to a comparison result of the first resource quantity corresponding to the first cluster well layout mode and the reference resource quantity corresponding to the single well layout mode, wherein the second cluster well layout mode is used for developing the target oil and gas field. The second cluster well layout mode determined by the embodiment has more available resource amount, and is more suitable for developing the target oil-gas field.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a computer device according to an embodiment of the present application;

FIG. 2 is a flow chart of a method for determining a cluster well layout according to an embodiment of the present disclosure;

FIG. 3 is a flow chart of a method for updating a first cluster well layout according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of an oil and gas target provided in an embodiment of the present application;

FIG. 5 is a schematic diagram of a cluster well layout according to one embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a cluster well layout according to one embodiment of the present disclosure;

FIG. 7 is a schematic diagram of a cluster well layout according to one embodiment of the present disclosure;

FIG. 8 is a schematic diagram of a cluster well layout according to one embodiment of the present disclosure;

FIG. 9 is a schematic diagram of a cluster well layout according to one embodiment of the present disclosure;

FIG. 10 is a schematic diagram of an oil and gas target provided in an embodiment of the present application;

FIG. 11 is a schematic diagram of a cluster well layout according to an embodiment of the present disclosure;

FIG. 12 is a schematic diagram of a cluster well layout according to one embodiment of the present disclosure;

FIG. 13 is a schematic diagram of a cluster well layout according to one embodiment of the present disclosure;

FIG. 14 is a schematic diagram of a cluster well layout according to one embodiment of the present disclosure;

FIG. 15 is a schematic diagram of a cluster well layout according to one embodiment of the present disclosure;

FIG. 16 is a schematic diagram of an apparatus for determining a cluster well layout according to an embodiment of the present disclosure.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application provides a method for determining a cluster well layout mode, which can be applied to computer equipment. Illustratively, referring to FIG. 1, the computer device includes a memory 11 and a processor 12. The memory 11 stores at least one instruction that is loaded and executed by the processor 12 to implement the method for determining a cluster well layout provided in the embodiments of the present application.

Wherein the computer device stores relevant data of the target oil and gas field to be developed. The computer device enables determination of a cluster well layout based on the stored relevant data, such that the determined cluster well layout is suitable for development of the target field. Or the computer equipment is in communication connection with other computer equipment, so that the computer equipment obtains the related data from the other computer equipment, and the determination of the cluster well layout mode can be realized based on the obtained related data.

The computer device is illustratively any electronic product capable of human-machine interaction with a user via one or more of a keyboard, touchpad, touch screen, remote control, voice interaction, or handwriting device. Electronic products include, but are not limited to: PC (Personal Computer ), cell phone, smart phone, PDA (Personal Digital Assistant ), wearable device, palm computer PPC (Pocket PC), and tablet computer. Alternatively, the computer device is a server, or a server cluster formed by a plurality of servers, or a cloud computing service center.

Referring to fig. 2, a method for determining a cluster well layout according to an embodiment of the present application includes the following procedure.

201, determining a reference resource amount which can be obtained by developing a target oil and gas field according to a single well layout mode, wherein the target oil and gas field comprises a plurality of oil and gas targets, and the single well layout mode is a mode that single well sites are in one-to-one correspondence with the oil and gas targets.

The target oil and gas field is the oil and gas field to be developed, and the oil and gas field refers to a geographical area containing an oil and gas layer. The target field includes hydrocarbon targets that are located at the edges of the hydrocarbon reservoir. Therefore, the ground and the hydrocarbon reservoir can be communicated from the ground to each hydrocarbon target point, so that hydrocarbon in the hydrocarbon reservoir can be lifted to the ground, and the development of a target hydrocarbon field is realized.

By obtaining the geological information of the target oil and gas field, the positions and the number of the oil and gas targets can be determined. Illustratively, the geological information includes: reservoir reserves, reservoir locations, composition of the various formations above the reservoir, etc. The positions of the oil gas targets include: longitude and latitude of a mapping point of the oil and gas target point on the ground, vertical depth of the oil and gas target point relative to the ground, and the like.

After determining the locations and numbers of the hydrocarbon targets, the types of wells corresponding to each hydrocarbon target are determined accordingly. For any one oil and gas target, the type of well corresponding to the oil and gas target is a water injection well or an oil and gas well. The water injection well is used for injecting water into the hydrocarbon reservoir from the ground so as to improve the characteristics of viscosity, pressure and the like of the hydrocarbon. The oil and gas well is used for lifting the oil and gas with improved characteristics to the ground. For the determined water injection wells and oil and gas wells, the embodiment can determine the injection allocation corresponding to each water injection well and the daily output corresponding to each oil and gas well, thereby determining the total tonnage of produced oil and gas.

The well site is a work site for drilling and producing oil and gas. In a single well layout, one well corresponds to one single well site. Because the wells are in one-to-one correspondence with the oil and gas targets, the single well sites are in one-to-one correspondence with the oil and gas targets. The layout of the single well site can be determined based on the oil and gas target points, and a single well layout mode is obtained, so that the reference resource quantity which can be obtained by developing the target oil and gas field according to the single well layout mode can be determined. It should be noted that the reference resource amount is a predicted value, and is not a true value obtained after the actual development of the target oil-gas field.

In this embodiment, the manner of determining the reference resource amount includes: and determining resources required to be consumed for developing the target oil-gas field according to a single well layout mode, directly obtaining the resources through the developed target oil-gas field, and taking the difference value between the directly obtained resources and the resources required to be consumed as the reference resource quantity.

Illustratively, the directly obtained resources are: the product of the total tonnage of produced oil and the value of oil and gas per ton. The resources required to be consumed are: and the sum of the resources required to be consumed by engineering construction and the resources required to be consumed by production after the engineering construction is completed. Further, the resources consumed by engineering construction are: the sum of the resources consumed for drilling, production and surface engineering performed for the target field. The resources consumed for production are: total tonnage of produced oil and gas, and product of resources required for producing each ton of oil and gas.

It should be understood that the resources consumed by engineering construction in the above description are merely examples and are not meant to be limiting. In practical application, various resources included in resources consumed by engineering construction are determined according to practical requirements. Next, the resources consumed by engineering construction are exemplified as follows.

Resources consumed by drilling engineering = resources required for characterization + resources required for landform restoration + resources required for drilling footage. Wherein, the resources required by land feature = the number of wells x the resources required by land feature per well, the resources required by land feature restoration = the number of wells x the resources required by land feature restoration per well = the resources required by drilling footage x the total footage length per unit length required by all wells.

Resources consumed by oil extraction engineering = resources required for building oil and gas wells + resources required for building water injection wells. Wherein, the resource required for building oil gas wells=the number of oil gas wells×the resource required for building each oil gas well, the resource required for building water injection wells=the number of water injection wells×the resource required for building each water injection well.

Ground engineering consumed resources = resources required to build ground pipelines + resources required to build processing stations. Wherein, the resources needed by the construction of the ground pipeline: the total length of the ground pipeline is multiplied by the resources required by the ground pipeline in unit length, and the resources required by a construction treatment station are: the number of processing stations x the resources required per processing station.

202, a first cluster well layout mode is obtained, wherein the first cluster well layout mode is used for indicating at least one cluster well site, and any cluster well site corresponds to at least two oil and gas targets.

When a target oil-gas field is developed through a cluster well, the wells and oil-gas targets are still in one-to-one correspondence, but a plurality of wells are often located in the same cluster well site. That is, one cluster well site corresponds to at least two hydrocarbon targets. The first cluster well layout mode comprises the number of cluster well sites indicated by the first cluster well layout mode, the positions of all the cluster well sites and the number of oil and gas targets corresponding to all the cluster well sites. In an exemplary embodiment, obtaining a first cluster well layout pattern includes: determining a plurality of alternative control distances, determining drilling difficulty values corresponding to the alternative control distances, and acquiring a first cluster well layout mode based on the largest alternative control distance in the alternative control distances corresponding to the drilling difficulty values not larger than a threshold value.

For any cluster well site, each oil and gas target point corresponding to the cluster well site is provided with a mapping point on the ground, and the distance between any mapping point and the cluster well site cannot be larger than the control distance corresponding to the cluster well site. That is, the range that the cluster well site can control in the target hydrocarbon field is actually a circle centered on the cluster well site and having a radius of the control distance. Therefore, the larger the control distance is, the larger the range that the cluster well site can control is, so that the cluster well site can correspond to more oil and gas targets.

However, the greater the control distance, the greater the drilling difficulty factor corresponding to the control distance. Therefore, it is necessary to select an appropriate alternative control distance from the alternative control distances to avoid the subsequent drilling difficulty becoming excessive. Illustratively, the drilling difficulty coefficient used in the embodiment is DDI (Directional Difficulty Index, directional difficulty coefficient), and based on the alternative control distances, DDI corresponding to each alternative control distance can be calculated by combining the vertical depth of each oil-gas target point relative to the ground.

According to the difficulty classification of DDI, DDI < 6 represents small difficulty, 6 < DDI < 6.4 represents medium difficulty, 6.4 < DDI < 6.8 represents large difficulty, and DDI > 6.8 represents very large difficulty. Illustratively, the present embodiment determines the above threshold according to the actual development capability. For example, if the development capability is high and the development can be performed with a high difficulty, 6.8 is selected as the threshold value. Alternatively, if the development capability is weak and only development can be performed with little difficulty, 6 is selected as the threshold value.

Among the alternative control distances corresponding to the drilling difficulty values not greater than the threshold, the embodiment selects the largest alternative control distance, and obtains the first cluster well layout mode based on the largest alternative control distance, so that the number of oil and gas targets corresponding to each cluster well field is the largest. Taking the threshold value of 6.4 as an example, the drilling difficulty coefficient corresponding to the alternative distance 3000 is 6.1, the drilling difficulty coefficient corresponding to the alternative distance 4500 is 6.3, which are all smaller than the threshold value, the embodiment selects the larger alternative distance 4500 to realize the acquisition of the first cluster well layout mode.

203, determining a first amount of resources available to develop the target field according to the first cluster well layout.

The manner of determining the first amount of resources includes: and determining resources required to be consumed for developing the target oil and gas field according to the first cluster well layout mode, directly obtaining the resources through the developed target oil and gas field, and taking the difference value between the directly obtained resources and the resources required to be consumed as the first resource amount. The first amount of resources is a predetermined value. The manner in which the directly obtained resources and the resources to be consumed are determined is described above in 201. Although the determination method of directly obtained resources and resources to be consumed is the same as that described above, the first cluster well layout method is different from the single well layout method in part of the data used in the determination process. The description is as follows.

The single well sites and the oil gas targets are in one-to-one correspondence in the single well layout mode, and one cluster well site in the first cluster well layout mode corresponds to a plurality of oil gas targets, namely the wellheads of the plurality of oil gas targets are all positioned in the same cluster well site, and the wellheads are concentrated. Therefore, the land resources required by each well, the resources required by the land feature recovery of each well, the total length of the surface pipeline and the resources required by the production of each ton of oil gas in the first cluster well layout mode are smaller than those in the single well layout mode.

However, in the single well layout mode, the positions of the single well sites can be flexibly set because the single well sites are in one-to-one correspondence with the oil and gas targets. In practical application, the single well site is often arranged near the mapping point of the oil and gas target point on the ground, so that the wells corresponding to all the oil and gas target points are vertical wells, and the total length of footage required by all the wells in the single well layout mode is smaller. In the first cluster well layout mode, because the wellheads of the plurality of oil gas targets are all located in the same cluster well field and the distribution positions of different oil gas targets are different, the wells corresponding to the oil gas targets are often directional wells with a certain inclination degree, and therefore the total length of footage required by all the wells in the first cluster well layout mode is larger.

204, updating the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount to obtain a second cluster well layout mode, wherein the second cluster well layout mode is used for developing the target oil-gas field, and the second resource amount corresponding to the second cluster well layout mode is larger than the first resource amount.

For the obtained first cluster well layout, the embodiment updates the first cluster well layout based on the comparison result of the reference resource amount and the first resource amount. The updating process can obtain a second cluster well layout mode, wherein the second resource amount corresponding to the second cluster well layout mode is larger than the first resource amount corresponding to the first cluster well layout mode. That is, the amount of resources obtained by developing the target field by the second cluster well layout is greater than the amount of resources obtained by developing the target field by the first cluster well layout.

In an exemplary embodiment, updating the first cluster well layout pattern based on the comparison of the reference resource amount and the first resource amount to obtain a second cluster well layout pattern includes: determining a target cluster well site in the cluster well sites indicated by the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount. Updating the target cluster well sites to obtain a second cluster well layout mode, wherein the number of the cluster well sites indicated by the second cluster well layout mode is larger than that of the cluster well sites indicated by the first cluster well layout mode.

Wherein, a plurality of oil gas targets are corresponding to the target cluster well pit, the updating of the target cluster well pit in this embodiment means: adding one or more cluster well sites on the basis of the cluster well sites indicated by the first cluster well layout mode, and distributing part of oil gas targets in the oil gas targets corresponding to the target cluster well sites to the added cluster well sites, so as to obtain a second cluster well layout mode. Therefore, the number of the cluster well sites indicated by the second cluster well layout mode is larger than that indicated by the first cluster well layout mode.

By increasing the cluster well sites, the total footage length required for all wells can be reduced. However, the resources required for each well relief recovery, the total length of surface tubing, and the resources required for each ton of oil and gas production increase accordingly. In this embodiment, the number of the cluster well sites is increased to reduce the required resources, so that the second resource amount corresponding to the second cluster well layout mode with the larger number of the cluster well sites is larger than the first resource amount.

Referring to fig. 3, in the present embodiment, the comparison result of the reference resource amount and the first resource amount is different, and the manner of determining the target cluster well site and updating the target cluster well site is different, which will be described below.

Case one: the comparison indicates that the reference resource amount is less than the first resource amount.

Determining a target cluster well site in the cluster well sites indicated by the first cluster well layout means based on the comparison result of the reference resource amount and the first resource amount, comprising: determining the average resource amount of each cluster well site, taking the cluster well site with the smallest average resource amount as a target cluster well site, and updating the target cluster well site to obtain a second cluster well layout mode, wherein the method comprises the following steps: dividing a target cluster well site into more than two cluster well sites to obtain divided cluster well sites; based on the divided cluster well sites and other cluster well sites except the target cluster well site in the cluster well sites indicated by the first cluster well layout mode, a second cluster well layout mode is obtained.

Wherein the first resource amount corresponding to the first cluster well layout mode is the sum of the resource amounts corresponding to the well sites of each cluster well. The average resource amount of any cluster well site is the ratio of the resource amount corresponding to any cluster well site to the oil and gas target point amount corresponding to any cluster well site. By using the cluster well site with the smallest average resource amount as the target cluster well site, the resource amount can be effectively increased. Illustratively, in response to the average amounts of resources corresponding to the plurality of cluster well sites being equal and each being less than the average amounts of resources corresponding to the other cluster well sites, the plurality of cluster well sites are each considered a target cluster well site.

After determining the target cluster well sites, the present embodiment achieves an increase in the number of cluster well sites by dividing the target cluster well sites. Illustratively, for any one target cluster well site, the present embodiment divides the target cluster well site into two well sites, i.e., increases the number of cluster well sites by one. Of course, the present embodiment does not limit the division number, and one target cluster well site may be divided into three, four or more cluster well sites according to actual needs. In an exemplary embodiment, the division of the well sites of the target cluster well is performed according to the rule of minimum rule of advance, and other division modes can be selected according to actual requirements.

After dividing the target cluster well sites to obtain divided cluster well sites, a second cluster well layout mode can be obtained based on the divided cluster well sites and other cluster well sites. Other cluster well sites herein refer to: among the cluster well sites indicated by the first cluster well layout pattern, other sites than the target cluster well site are provided. For example, the first cluster well layout pattern indicates A, B, C three cluster well sites, and the target cluster well site a is divided into two cluster well sites A1 and A2. Then, the other cluster well sites are B and C, and the second cluster well layout mode includes cluster well sites A1, A2, B and C.

The above description of the second cluster well layout is directed to the case: the division of the target cluster well sites does not affect other cluster well sites. In the case that the dividing process affects other cluster well sites, in the exemplary embodiment, obtaining a second cluster well layout mode based on the divided cluster well sites and other cluster well sites except the target cluster well site in the cluster well sites indicated by the first cluster well layout mode includes: in response to the other cluster well sites including a cluster well site associated with the partitioned cluster well site, adjusting the associated cluster well site based on the partitioned cluster well site to obtain an adjusted other cluster well site; and obtaining a second cluster well layout mode based on the divided cluster well sites and other adjusted cluster well sites.

Illustratively, in response to a portion of the hydrocarbon target corresponding to a cluster well site other than the target cluster well site prior to the partitioning, and corresponding to the partitioned cluster well site after the partitioning, the cluster well site corresponding to the hydrocarbon target prior to the partitioning is the cluster well site associated with the partitioned cluster well site. Illustratively, the present embodiment adjusts the cluster well sites with respect to the relevant cluster well sites, thereby obtaining other cluster well sites after adjustment. Then, based on the divided cluster well sites and other cluster well sites after adjustment, a second cluster well layout mode can be obtained. Also for the example above, the first cluster well layout indicates A, B, C three cluster well sites, with the target cluster well site A being divided into two cluster well sites A1 and A2. In other cluster well sites B and C, if C is related to A1, then the present embodiment adjusts C to C ', and the second cluster well layout includes cluster well sites A1, A2, B, and C'.

And a second case: the comparison result indicates that the reference resource amount is not less than the first resource amount.

Determining a target cluster well site in the cluster well sites indicated by the first cluster well layout means based on the comparison result of the reference resource amount and the first resource amount, comprising: each cluster well site is used as a target cluster well site. Updating the target cluster well sites to obtain a second cluster well layout mode, comprising: reducing the control distance corresponding to the target cluster well site to obtain an updated target cluster well site; adding a new cluster well pit based on the updated target cluster well pit and obtaining a second cluster well layout mode based on the updated target cluster well pit and the new cluster well pit.

From the above description, any cluster well site corresponds to a control distance. After the target cluster well sites are obtained, the present embodiment reduces the control distance corresponding to each target cluster well site to obtain updated target cluster well sites. Illustratively, the reduction ratio of the present embodiment is 10%, or other reduction ratios determined according to actual requirements, and the present embodiment is not limited to the reduction ratio. In addition, in the above description, in addition to the manner in which all cluster well sites are used as the target cluster well sites, the present embodiment may also use part of the cluster well sites as the target cluster well sites according to actual requirements.

Compared with the target cluster well sites before updating, the range of controllable control of each updated target cluster well site is reduced, and the corresponding oil and gas targets are reduced. Based on the reduced portion of the oil and gas targets, a new cluster well site can be added, thereby obtaining a second cluster well layout based on the updated target cluster well site and the new cluster well site.

After the second cluster well layout mode is obtained based on the comparison result, the present embodiment can also iterate for a plurality of times based on the second cluster well layout mode, so as to further improve the second resource amount of the second cluster well layout mode. Thus, in an exemplary embodiment, after updating the first cluster well layout pattern based on the comparison of the reference resource amount and the first resource amount to obtain the second cluster well layout pattern, the method further comprises: performing a plurality of iterative processes based on the reference resource amount and the second resource amount, wherein a third cluster well layout mode is obtained in any iterative process, and the obtained third cluster well layout mode corresponds to the third resource amount; and determining a target iteration process from the multiple iteration processes, wherein a third cluster well layout mode obtained in the target iteration process is used for developing the target oil and gas field. The third resource amount corresponding to the target iterative process is larger than the second resource amount and is larger than the third resource amount corresponding to the next iterative process of the target iterative process.

In the first iteration process, in response to the reference resource amount being smaller than the second resource amount, updating the second cluster well layout mode according to the first condition in the above description, otherwise updating the second cluster well layout mode according to the second condition, thereby obtaining a third cluster well layout mode S corresponding to the first iteration process ₁ . In the second iteration process, responding to the fact that the reference resource quantity is smaller than the third cluster well layout mode S obtained in the first iteration process ₁ A corresponding third resource amount, S is updated according to the above description ₁ Otherwise, updating S in the mode of the second case ₁ Thereby obtaining a third cluster well layout mode S corresponding to the second iteration process ₂ . And so on, in the N (N is more than or equal to 2) th iteration process, responding to the reference resource quantity smaller than the third cluster well layout mode S obtained in the (N-1) th iteration process _(N-1) Corresponding third resource amount, updating S in the manner of the first case in the above description _(N-1) Otherwise, updating S in the mode of the second case _(N-1) Obtaining a third cluster well layout mode S corresponding to the Nth iteration process _N 。

For one iteration process, if the third resource amount corresponding to the third cluster well layout mode obtained by the iteration process is larger than the third resource amount corresponding to the next iteration of the iteration process, the method indicates that even if iteration is continued on the basis of the iteration process, the cluster well layout mode capable of obtaining more resource amounts cannot be obtained. Therefore, in response to the third resource amount corresponding to the iterative process being greater than the second resource amount, the third cluster well layout mode obtained in the iterative process can be used as a mode for developing the target oil and gas field.

In an exemplary embodiment, after updating the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount to obtain the second cluster well layout mode, the method further includes: in the cluster well sites indicated by the first cluster well layout mode, updating each other cluster well site except the target cluster well site, and obtaining a fourth cluster well layout mode in the updating process of any other cluster well site, wherein the obtained fourth cluster well layout mode corresponds to a fourth resource amount. And in response to the fourth resource amount corresponding to any one of the fourth cluster well layouts being greater than the second resource amount, any one of the fourth cluster well layouts is used to develop the target field in place of the second cluster well layout.

After the second cluster well layout is obtained, since the second cluster well layout is obtained based on updating the target cluster well sites, the present embodiment updates the cluster well sites other than the target cluster well sites, respectively, thereby verifying whether other cluster well layouts can obtain more resources than the second cluster well layout. For any other cluster well sites, the process of updating any other cluster well sites can refer to the process of updating the target cluster well site, and will not be described herein. A fourth cluster well layout is obtained by updating each cluster well site. For example, the first cluster well layout indicates A, B, C three cluster well sites, the target cluster well site A is divided into two cluster well sites A1 and A2, and the second cluster well layout includes cluster wells A1, A2, B, C. Then, in the present embodiment, the cluster well site B in the second cluster well layout is updated to obtain a fourth cluster well layout W1, and the cluster well site C is updated to obtain another fourth cluster well layout W2.

And then, responding to the fourth resource quantity corresponding to each fourth cluster well pit field layout mode to be smaller than the second resource quantity, wherein the second cluster well pit field layout mode is not provided with other layout modes capable of obtaining more resource quantity than the second cluster well layout mode, so that the second cluster well layout mode can be continuously used for developing the target oil and gas field. And in response to the fourth resource amount corresponding to any fourth cluster well site layout mode being greater than the second resource amount, using the fourth cluster well site layout mode to replace the second cluster well layout mode for developing the target oil and gas field. Illustratively, in response to the fourth plurality of cluster well site layouts corresponding to the fourth plurality of cluster well sites being greater than the second plurality of resources, the present embodiment selects a fourth cluster well layout having the greatest fourth plurality of resources in place of the second cluster well layout.

Of course, if the present embodiment updates the second cluster well layout pattern through an iterative process after the second cluster well layout pattern is obtained, and a third cluster well layout pattern for developing the target oil and gas field is obtained, the above description can also be applied to the third cluster well layout pattern.

Next, the manner of determining the cluster well layout provided in the embodiments of the present application will be further described by the following two application examples.

Application example one:

referring to fig. 4, target field a covers a geological reserve 1035 x 10 ⁴ And t, deploying a new drilling well 120 ports in a mode, and designing the vertical depth to be 2500-2800 m. Wherein 80 oil wells (shown as circles in the figure), 40 water wells (shown as triangles in the figure), daily production of 30 tons for a single well and injection allocation of 35m ³ And/t, predicting that 81 ten thousand tons of crude oil are produced in a cumulative way in 25 years.

Step one: and determining the reference resource amount which can be obtained by developing the target oil and gas field according to the single well layout mode.

According to the planning and deployment of the geological oil reservoir mode, a single-well single-beat mode design is adopted, and the total investment of well drilling, oil extraction and ground engineering is predicted to be 11 hundred million yuan, see table 1.

TABLE 1

The reference resource amount was calculated to be 1.36 giga yuan, see Table 2

TABLE 2

Step two: a first amount of resources available to develop the target field in accordance with the first cluster well layout pattern is determined.

According to the planning and deployment of the geological oil reservoir mode, analyzing the maximum control distance of the situation of a single cluster well from the construction difficulty angle: and 2 cluster well sites (shown as squares in the figure) are deployed according to the mode of maximum control distance of the well sites and maximum implementation of the regulation mode, 60 wells are drilled in each well site, a first cluster well layout mode shown in figure 5 is formed, and the total investment of predicted drilling, oil extraction and ground engineering is 12.11 hundred million yuan, see table 3.

TABLE 3 Table 3

The first resource amount was calculated to be 1.84 gigabytes, see table 4.

TABLE 4 Table 4

Step three: based on the comparison result of the reference resource amount and the first resource amount, the first cluster well layout scheme is updated.

Comparing the reference resource amount with the first resource amount, and updating the first cluster well layout scheme for the first time by dividing the cluster well sites because the first resource amount is 1.84 hundred million yuan greater than the reference resource amount by 1.36 hundred million yuan.

1. Performing benefit well site calculation, and analyzing economic benefits generated by each cluster well site: two wellsites each drill 60 wells, each produce 9200 ten thousand yuan economic benefit, each cluster well site has 154 ten thousand yuan single well average benefit, and a plan view of the single well average benefit is drawn, see fig. 6.

2. The economic benefits of single wells in two areas are the same, the two areas are optimized simultaneously, 1 well site is added respectively, the first updated cluster well layout mode is shown in fig. 7, 4 well sites are deployed in total, and the total drilling footage is reduced by 3.86×10 ⁴ m, see tables 5 and 6, increases the average benefit of a single well by 52 ten thousand yuan.

TABLE 5

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TABLE 6

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Further optimizing the D well site area with the lowest average benefit of the single well, adding a deployment well site, and adjusting the C well site area related to the deployment well site to obtain a cluster well layout mode updated for the second time, wherein the cluster well layout mode is shown in figure 8. Wherein, the overall mode deploys 5 well sites, and reduces the total drilling footage by 1.15 multiplied by 10 ⁴ m, the average benefit of single well is increased by 17 ten thousand yuan, see table 7 and table 8.

TABLE 7

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TABLE 8

As shown in fig. 9, the C wellsite area with the lowest average benefit of the single well is further optimized, one deployment wellsite is added, and 6 wellsites are deployed in an overall mode, so that a cluster well layout mode updated for the third time is obtained. Reducing the total drilling footage by 0.3 x 10 ⁴ m, the average benefit of single well is reduced by 0.3 ten thousand yuan, see table 9 and table 10, the average benefit of single well is not increased any more, so that the design of 5 well sites in the cluster well layout mode of the second update is maintained without adopting the cluster well layout mode of the third update.

TABLE 9

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Table 10

3. Based on the cluster well layout mode updated for the second time, all the remaining areas are optimized, iterative calculation is performed, see table 11, and the average benefit of a single well is not increased after the initial iteration of all the areas. That is, the second updated cluster well layout can obtain the maximum amount of resources. Thus, the cluster well layout of the 5-well site shown in fig. 8 is designed.

TABLE 11

Application example two:

the target oil-gas field B covers the geological reserves 1035 multiplied by 104t, the new drilling 120 ports are deployed in a mode, the vertical depth is designed to be 2500m-2800m, 80 oil wells, 40 water wells, daily production of 30 tons in a single well and injection allocation of 35m are designed according to the figure 10 ³ And/t, predicting the cumulative yield of 65 ten thousand tons of crude oil in 25 years.

Step one: and determining the reference resource amount obtained by developing the target oil and gas field B according to the single well layout mode.

According to the planning and deployment of the geological oil reservoir mode, a single-well single-beat mode design is adopted, and the total investment of well drilling, oil extraction and ground engineering is predicted to be 12.58 hundred million yuan, see table 12.

Table 12

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Referring to table 13, the reference resource amount was calculated to be 0.19 gigabytes.

TABLE 13

Step two: a first amount of resources resulting from developing the target field B according to the first cluster well layout scheme is determined.

According to the planning and deployment of the geological oil reservoir mode, analyzing the maximum control distance of the situation of a single cluster well from the construction difficulty angle: and 2 cluster well sites (60 holes of each well) are deployed according to the mode of maximum control distance of the well site and the maximum implementation of the mode of the gauge, so that a first cluster well layout mode shown in fig. 11 is formed, and 14.02 hundred million yuan total of predicted drilling, oil extraction and ground engineering investment is obtained, see table 14.

TABLE 14

The first resource amount was calculated-0.04 billion yuan, see table 15.

TABLE 15

Step three: updating the first cluster well layout mode.

Because the reference resource amount is larger than the first resource amount, the first cluster well layout mode is updated for the first time by reducing the control distance.

1. The control range of the well site is reduced as a whole, the control range is recommended to be reduced by 10% each time according to the operation experience, the control range is reduced to 4.05km, cluster well site design is conducted again, 3 well sites are deployed in total, and the total drilling footage is reduced by 2.7x10 ⁴ And m, predicting the investment of drilling, oil extraction and ground engineering, calculating the overall benefit to be 0.55 hundred million yuan, and the average single well benefit of each well site to be 45.6 ten thousand yuan, wherein the average single well benefit is shown in tables 16 and 17. The plan view of the average benefit of a single well corresponding to the cluster well layout mode obtained by the first update is shown in fig. 12.

Table 16

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TABLE 17

2. Because the resource quantity of 0.55 hundred million yuan corresponding to the cluster well layout mode obtained by the first updating is larger than the reference resource quantity of 0.19 hundred million yuan, the second updating is continued by dividing the cluster well pit field.

3. And further optimizing the A well site area with the lowest average benefit of the single well, adding a deployment well site, and adjusting the B well site area and the C well site area related to the deployment well site. As shown in FIG. 13, the cluster well layout mode obtained by the second updating is that the overall mode is to deploy 4 well sites, and the drilling total footage is reduced by 1.16X10 ⁴ m, the average benefit of single well is increased by 20 ten thousand yuan, see table 18 and table 19.

TABLE 18

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TABLE 19 optimized economic benefits evaluation Table

Further optimizing the D well site area with the lowest average benefit of the single well, adding a deployment well site, and adjusting the C well site area related to the deployment well site to obtain a cluster well layout mode updated for the third time, wherein the cluster well layout mode is shown in fig. 14. 5 well sites are deployed in an integral mode, so that the number of well sites is reducedDrilling total footage 1.15×10 ⁴ m, the average benefit of single well is increased by 21.3 ten thousand yuan, see table 20 and table 21.

Table 20

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Table 21

Further optimizing the C well site area with the lowest average benefit of single well, referring to fig. 15, one deployment well site is added, 6 well sites are deployed in an integral mode, and the total drilling footage is reduced by 0.3×10 ⁴ m, the average benefit of single well was reduced by 0.4 ten thousand yuan, see tables 22 and 23, the average single well benefit was not increased, maintaining the 5 well site design shown in fig. 14.

Table 22

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Table 23

3. The remaining all-region iterative calculation is optimized, see table 24, and the average benefit of a single well after the initial iteration of all the regions is not increased. Therefore, the cluster well layout mode of the 5-well site shown in fig. 14 is adopted.

Table 24

In summary, after the first cluster well layout mode is obtained, the embodiment of the present application updates the first cluster well layout mode to obtain the second cluster well layout mode according to the comparison result of the first resource amount corresponding to the first cluster well layout mode and the reference resource amount corresponding to the single well layout mode, where the second cluster well layout mode is used for developing the target oil and gas field. The second cluster well layout mode determined by the embodiment has more available resource amount, and is more suitable for developing the target oil-gas field.

An embodiment of the present application provides an apparatus for determining a cluster well layout, referring to fig. 16, the apparatus includes:

a first determining module 1601, configured to determine a reference resource amount that can be obtained by developing a target oil and gas field according to a single well layout manner, where the single well layout manner is a manner in which a single well site corresponds to the oil and gas targets one by one;

an obtaining module 1602, configured to obtain a first cluster well layout manner, where the first cluster well layout manner is used to indicate at least one cluster well site, and any cluster well site corresponds to at least two oil and gas targets;

a second determining module 1603 for determining a first amount of resources available to develop the target field according to the first cluster well layout;

the updating module 1604 is configured to update the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount to obtain a second cluster well layout mode, where the second cluster well layout mode is used for developing the target oil-gas field, and the second resource amount corresponding to the second cluster well layout mode is greater than the first resource amount.

In an exemplary embodiment, an updating module 1604 is configured to determine a target cluster well site in the cluster well sites indicated by the first cluster well layout manner based on the comparison of the reference resource amount and the first resource amount; updating the target cluster well sites to obtain a second cluster well layout mode, wherein the number of the cluster well sites indicated by the second cluster well layout mode is larger than that of the cluster well sites indicated by the first cluster well layout mode.

In an exemplary embodiment, an updating module 1604 is configured to determine, in response to the comparison result indicating that the reference resource amount is less than the first resource amount, an average resource amount for each cluster well site, and determine a cluster well site with a smallest average resource amount as a target cluster well site, where the average resource amount for any one cluster well site is a ratio of the resource amount corresponding to any one cluster well site to the number of oil and gas targets corresponding to any one cluster well site; dividing a target cluster well site into more than two cluster well sites to obtain divided cluster well sites; based on the divided cluster well sites and other cluster well sites except the target cluster well site in the cluster well sites indicated by the first cluster well layout mode, a second cluster well layout mode is obtained.

In an exemplary embodiment, an update module 1604 for, in response to other cluster wellsites including cluster wellsites associated with the partitioned cluster wellsites, adjusting the associated cluster wellsites based on the partitioned cluster wellsites to obtain adjusted other cluster wellsites; and obtaining a second cluster well layout mode based on the divided cluster well sites and other adjusted cluster well sites.

In an exemplary embodiment, an updating module 1604 for determining each cluster well site as a target cluster well site in response to the comparison indicating that the reference resource amount is not less than the first resource amount; reducing the control distance corresponding to the target cluster well site to obtain an updated target cluster well site; adding a new cluster well pit based on the updated target cluster well pit and obtaining a second cluster well layout mode based on the updated target cluster well pit and the new cluster well pit.

In an exemplary embodiment, the apparatus further comprises: the iteration module is used for carrying out a plurality of iteration processes based on the reference resource quantity and the second resource quantity, and a third cluster well layout mode is obtained in any iteration process, and the obtained third cluster well layout mode corresponds to the third resource quantity; determining a target iteration process from a plurality of iteration processes, wherein a third cluster well layout mode obtained in the target iteration process is used for replacing a second cluster well layout mode to develop a target oil-gas field; the third resource amount corresponding to the target iterative process is larger than the second resource amount and is larger than the third resource amount corresponding to the next iterative process of the target iterative process.

In an exemplary embodiment, the updating module 1604 is further configured to update each of the other cluster well sites except the target cluster well site in the cluster well sites indicated by the first cluster well layout mode, and obtain a fourth cluster well layout mode in the updating process of any of the other cluster well sites, where the obtained fourth cluster well layout mode corresponds to a fourth resource amount; and in response to the fourth resource amount corresponding to any one of the fourth cluster well layouts being greater than the second resource amount, any one of the fourth cluster well layouts is used to develop the target field in place of the second cluster well layout.

In an exemplary embodiment, an acquisition module 1602 is configured to determine a plurality of alternative control distances, and determine drilling difficulty values corresponding to each of the alternative control distances; and acquiring a first cluster well layout mode based on the largest alternative control distance in the alternative control distances corresponding to the drilling difficulty values not larger than the threshold value.

It should be noted that, when the apparatus provided in the foregoing embodiment performs the functions thereof, only the division of the foregoing functional modules is used as an example, in practical application, the foregoing functional allocation may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to perform all or part of the functions described above. In addition, the apparatus and the method embodiments provided in the foregoing embodiments belong to the same concept, and specific implementation processes of the apparatus and the method embodiments are detailed in the method embodiments and are not repeated herein.

Any combination of the above optional solutions may be adopted to form an optional embodiment of the present application, which is not described herein in detail.

It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program for instructing relevant hardware, where the program may be stored in a computer readable storage medium, and the storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

The foregoing description of the embodiments is provided for the purpose of illustration only and is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, alternatives, and alternatives falling within the spirit and scope of the invention.

Claims

1. A method of determining cluster well layout, the method being applied to a computer device, the method comprising:

determining a plurality of alternative control distances, determining drilling difficulty values corresponding to the alternative control distances, and acquiring a first cluster well layout mode based on the largest alternative control distance in the alternative control distances corresponding to the drilling difficulty values not larger than a threshold value, wherein the first cluster well layout mode is used for indicating at least one cluster well site, and any cluster well site corresponds to at least two oil and gas targets and one control distance;

determining a target cluster well field in the cluster well field indicated by the first cluster well layout mode based on the comparison result of the reference resource amount and the first resource amount, updating the target cluster well field to obtain a second cluster well layout mode, wherein the number of the cluster well fields indicated by the second cluster well layout mode is larger than that of the cluster well fields indicated by the first cluster well layout mode, the second cluster well layout mode is used for developing the target oil and gas field, and the second resource amount corresponding to the second cluster well layout mode is larger than that of the first resource amount;

Determining a target cluster well pit site in the cluster well pit sites indicated by the first cluster well layout mode based on the comparison result of the reference resource quantity and the first resource quantity, and updating the target cluster well pit site to obtain a second cluster well layout mode, wherein the second cluster well layout mode comprises any one of the following modes:

determining an average resource amount of each cluster well site as the target cluster well site in response to the comparison result indicating that the reference resource amount is smaller than the first resource amount, determining that the cluster well site with the smallest average resource amount is the target cluster well site, dividing the target cluster well site into more than two cluster well sites in which the average resource amount of any one cluster well site is the ratio of the resource amount corresponding to any one cluster well site to the number of oil and gas targets corresponding to any one cluster well site, obtaining divided cluster well sites, adjusting the related cluster well sites based on the divided cluster well sites in response to other cluster well sites, and obtaining the second cluster well layout well pattern based on the divided cluster well sites and the adjusted other cluster well sites, wherein the cluster well sites are the target cluster well sites in the first layout well pattern;

Or, determining each cluster well site as the target cluster well site in response to the comparison result indicating that the reference resource amount is not less than the first resource amount, reducing a control distance corresponding to the target cluster well site, obtaining an updated target cluster well site, adding a new cluster well site based on the updated target cluster well site, and obtaining the second cluster well layout mode based on the updated target cluster well site and the new cluster well site.

2. The method of claim 1, wherein the determining a target cluster well site in the cluster well sites indicated by the first cluster well layout pattern based on the comparison of the reference resource amount and the first resource amount updates the target cluster well site to obtain a second cluster well layout pattern, the method further comprising:

3. The method of claim 1, wherein the determining a target cluster well site in the cluster well sites indicated by the first cluster well layout pattern based on the comparison of the reference resource amount and the first resource amount updates the target cluster well site to obtain a second cluster well layout pattern, the method further comprising:

4. An apparatus for determining a cluster well layout, the apparatus comprising:

the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for determining a plurality of alternative control distances, determining drilling difficulty values corresponding to the alternative control distances, and acquiring a first cluster well layout mode based on the largest alternative control distance in the alternative control distances corresponding to the drilling difficulty values not larger than a threshold value, wherein the first cluster well layout mode is used for indicating at least one cluster well site, and any cluster well site corresponds to at least two oil gas targets and one control distance;

the updating module is used for determining a target cluster well field in the cluster well field indicated by the first cluster well layout mode based on the comparison result of the reference resource quantity and the first resource quantity, updating the target cluster well field to obtain a second cluster well layout mode, wherein the number of the cluster well fields indicated by the second cluster well layout mode is larger than that of the cluster well fields indicated by the first cluster well layout mode, the second cluster well layout mode is used for developing the target oil-gas field, and the second resource quantity corresponding to the second cluster well layout mode is larger than that of the first resource quantity;

5. The apparatus of claim 4, wherein the apparatus further comprises:

the iteration module is used for carrying out a plurality of iteration processes based on the reference resource quantity and the second resource quantity, and a third cluster well layout mode is obtained in any iteration process, and the obtained third cluster well layout mode corresponds to the third resource quantity; determining a target iteration process from the multiple iteration processes, wherein a third cluster well layout mode obtained in the target iteration process is used for replacing the second cluster well layout mode to develop the target oil-gas field; the third resource amount corresponding to the target iterative process is larger than the second resource amount and is larger than the third resource amount corresponding to the next iterative process of the target iterative process.

6. The apparatus of claim 4, wherein the updating module is further configured to update each of the other cluster well sites except the target cluster well site in the cluster well sites indicated by the first cluster well layout pattern, and wherein the updating process for each of the other cluster well sites obtains a fourth cluster well layout pattern, and the obtained fourth cluster well layout pattern corresponds to a fourth resource amount; and in response to the fourth resource amount corresponding to any one of the fourth cluster well layouts being greater than the second resource amount, the any one of the fourth cluster well layouts is used to develop the target field in place of the second cluster well layout.

7. A computer device, the computer device comprising a memory and a processor; the memory has stored therein at least one instruction that is loaded and executed by the processor to implement the method of determining a cluster well layout of any of claims 1-3.