CN117090558A - Rescue well track adjusting method and device - Google Patents
Rescue well track adjusting method and device Download PDFInfo
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Abstract
The application provides a rescue well track adjusting method and device, and relates to the technical field of drilling, wherein the method comprises the following steps: acquiring angle parameters of the rescue well under a preset well depth, and calculating to obtain space coordinate data of the rescue well under the preset well depth according to the angle parameters; acquiring the relative positions of a relief well and a current well according to the space coordinate data, calibrating a target well track to a relief well reference through the relative positions, and calculating the angle difference between the relief well and the target well; and adjusting the rescue well track according to the angle difference.
Description
Technical Field
The application relates to the technical field of drilling, in particular to a rescue well track adjusting method and device.
Background
Along with the gradual exposure of production requirements such as high-pressure well out-of-control well rescue, gas storage complex old well plugging, old oil zone sleeve abandoned well abandonment, environmental protection well treatment and the like, the active magnetic steering drilling technology is also subjected to iterative upgrade to the passive magnetic steering drilling technology.
At present, less research is conducted on detection of relative positions between wells, and a WELLshot guiding tool is generally adopted to realize accurate communication between wells, but the core technology is kept secret. In the prior art, the CN202210600439 carries out track correction by means of coincident points, triangular navigation and three-dimensional two-dimensional change, the CN202111181808 carries out track correction by means of borehole track inversion, but the correction results of the two schemes are lagged, relative errors among different instruments are not fully considered, and particularly, the failure risk is still faced in the actual operation process of a directional well or a horizontal well. The conventional measuring method, namely a separate measuring mode of the magnetic guide and the gyroscope, locates the target under the condition of the same depth, but prolongs the total time of measuring operation, increases the operation cost, and has errors in the depth location of each measurement, which increases the accumulated errors of locating the target.
Disclosure of Invention
The application aims to provide a relief well track adjusting method and device, which can realize accurate underground magnetic guiding measurement and measurement while drilling and improve the efficiency of final relief well communication/reentry.
In order to achieve the above object, the method for adjusting the trajectory of a relief well provided by the present application specifically comprises: acquiring angle parameters of the rescue well under a preset well depth, and calculating to obtain space coordinate data of the rescue well under the preset well depth according to the angle parameters; acquiring the relative positions of a relief well and a current well according to the space coordinate data, calibrating a target well track to a relief well reference through the relative positions, and calculating the angle difference between the relief well and the target well; and adjusting the rescue well track according to the angle difference.
In the relief well track adjustment method, optionally, collecting the angle parameter of the relief well under the preset well depth includes: acquiring well inclination angle and azimuth angle data of different measuring points of the rescue well under a preset well depth through gyro measurement equipment; and obtaining angle parameters according to the well inclination angle and the azimuth angle data.
In the relief well track adjustment method, optionally, calculating according to the angle parameter to obtain the space coordinate data of the relief well under the preset well depth includes: acquiring space coordinates of different measuring points through recursive calculation according to the well inclination angle and azimuth angle data; and obtaining the space coordinate data of the rescue well under the preset well depth according to the space coordinate.
In the relief well track adjustment method, optionally, acquiring the relative position of the relief well and the current well according to the spatial coordinate data includes: and acquiring the relative positions of the rescue well and the current well according to the space coordinate data through the magnetic guiding measurement equipment.
In the relief well track adjustment method, optionally, calibrating the target well track to the relief well reference through the relative position further includes: comparing the well inclination angle of the relief well with a preset threshold value, and obtaining a preset calibration strategy according to a comparison result; and calibrating the target well track to a relief well reference according to the relative position according to the calibration strategy.
In the relief well track adjustment method, optionally, calibrating the target well track to the relief well reference according to the calibration strategy through the relative position includes: when the well inclination angle of the rescue well is smaller than a preset threshold value, calculating the horizontal distance between the rescue well and the target well under the same vertical depth; according to the horizontal distance calculation, obtaining analysis coordinate data of the target well under the same sagging depth, and according to historical inclinometry data of the target well, obtaining original coordinate data under the corresponding sagging depth by calculation; and coinciding the original coordinates with the analysis coordinate data by translating the target well head, so that the target well track is calibrated to the relief well reference.
In the relief well track adjustment method, optionally, calibrating the target well track to the relief well reference according to the calibration strategy through the relative position includes: when the well inclination angle of the relief well is larger than a preset threshold value, calculating the vertical depth of a target well scanned by the relief well under the preset well depth and projection data of the closest distance between the relief well and the target well on a horizontal plane; according to the projection data, calculating to obtain analysis coordinate data of the target well under the sagging depth of the target well, and according to the historical inclinometry data of the target well, calculating to obtain original coordinate data under the corresponding sagging depth; and coinciding the original coordinates with the analysis coordinate data by translating the target well head, so that the target well track is calibrated to the relief well reference.
In the relief well trajectory adjustment method, optionally, calculating an angular difference between the relief well and the target well includes: converting the relative position into a Cartesian coordinate system; and obtaining the angle difference between the well inclination angle and the azimuth angle between the relief well and the target well according to the Cartesian coordinate system back-thrust calculation.
The application also provides a relief well track adjusting device, which comprises: the device comprises a data acquisition module, a calculation module and an adjustment module; the data acquisition module is used for acquiring angle parameters of the rescue well at a preset well depth, and calculating and obtaining space coordinate data of the rescue well at the preset well depth according to the angle parameters; the calculation module is used for acquiring the relative positions of the relief well and the current well according to the space coordinate data, calibrating the target well track to a relief well reference through the relative positions, and calculating the angle difference between the relief well and the target well; and the adjusting module is used for adjusting the rescue well track according to the angle difference.
The application also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the above method when executing the computer program.
The present application also provides a computer readable storage medium storing a computer program for executing the above method.
The application also provides a computer program product comprising a computer program/instruction which, when executed by a processor, implements the steps of the above method.
The beneficial technical effects of the application are as follows: the relative error among different instruments can be eliminated, and the accuracy of track adjustment is improved, so that the communication/reentry efficiency of the final relief well is improved; the measurement mode of separately implementing gyroscopic measurement and magnetic guiding measurement is changed, and one-pass measurement is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate and together with the description serve to explain the application. In the drawings:
FIG. 1A is a flow chart of a relief well trajectory adjustment method according to an embodiment of the present application;
FIG. 1B is a schematic diagram of a practical application flow of a relief well trajectory adjustment method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a process for acquiring spatial coordinate data according to an embodiment of the present application;
fig. 3A to 3C are schematic diagrams of a calibration process according to an embodiment of the application;
FIG. 4 is a schematic diagram of an angular difference obtaining process according to an embodiment of the present application;
FIG. 5 is a schematic diagram of an integrated measurement device according to an embodiment of the present application;
FIG. 6 is a schematic view of a reducer union mechanism according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a gyro measurement module according to an embodiment of the present application;
FIG. 8 is a schematic diagram of a transition joint mechanism according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a magnetic guide measurement module according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of an inversion excitation module according to an embodiment of the application;
FIG. 11 is a schematic diagram of a measurement while drilling memory module according to an embodiment of the present application;
FIG. 12 is a schematic diagram of a measurement while drilling memory module according to an embodiment of the present application;
fig. 13 is a schematic structural diagram of an electronic device according to an embodiment of the application.
Detailed Description
The following will describe embodiments of the present application in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present application, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that, as long as no conflict is formed, each embodiment of the present application and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present application.
Additionally, the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that herein.
Referring to fig. 1A, the method for adjusting a rescue well track provided by the present application specifically includes:
s101, acquiring angle parameters of the relief well at a preset well depth, and calculating to obtain space coordinate data of the relief well at the preset well depth according to the angle parameters;
s102, acquiring the relative positions of a relief well and a current well according to the space coordinate data, calibrating a target well track to a relief well reference through the relative positions, and calculating the angle difference between the relief well and the target well;
s103, adjusting the rescue well track according to the angle difference.
Specifically, according to the rescue well track adjustment method, the gyro measurement equipment can be used for collecting well inclination angle and azimuth angle data of different measuring points of the rescue well under the preset well depth; obtaining angle parameters according to the well inclination angle and azimuth angle data; and acquiring the relative positions of the rescue well and the current well according to the space coordinate data through the magnetic guiding measurement equipment. In actual operation, the adjustment flow may be shown in fig. 1B, and is specifically as follows:
step S1: measuring a well inclination angle and an azimuth angle of the rescue well under a preset well depth based on a gyro measuring instrument;
step S2: the space coordinates of the rescue well under the preset well depth are obtained through recursive calculation;
step S3: measuring the relative positions of the rescue well and the old well under the preset well depth based on a magnetic guiding measurement system;
step S4: calibrating the target well track to a relief well reference;
step S5: the angle difference of the well inclination angle and the azimuth angle of the rescue well and the target well in the track stable section is obtained through back-pushing calculation;
step S6: and (5) giving a predicted value of track adjustment according to the calibrated well inclination angle and azimuth angle.
The specific implementation of each step will be described in detail in the following embodiments, and will not be described in detail here.
In step S1, the inclination angle alpha of the relief well under the preset well depth is measured mainly based on a gyro measuring instrument n And azimuth angle
And then, executing step S2, and recursively calculating to obtain the space coordinates of the rescue well under the preset well depth. Specifically, referring to fig. 2, in an embodiment of the present application, calculating spatial coordinate data of a rescue well under a preset well depth according to the angle parameter includes:
s201, acquiring space coordinates of different measuring points through recursive calculation according to the well inclination angle and azimuth angle data;
s202, acquiring space coordinate data of a rescue well under the preset well depth according to the space coordinates.
In actual operation, the well inclination angle alpha and the azimuth angle of the rescue well at different sounding positions are measured based on the inclinometerFor a sufficiently small spacing, the first i The spatial coordinates of the position can be determined by the first i-1 Is integrated by recursion of the spatial coordinates of (a) and has the formula:
the spatial coordinates (x, y, z) of all the measuring points of the relief well can be obtained by recursion to the wellhead, so that the spatial coordinates (x) of the relief well under the preset well depth are obtained n ,y n ,z n )。
Step S3 is then performed, wherein the relative positions of the rescue well and the old well under the preset well depth are measured based on the magnetic guiding measurement system, and the relative positions comprise the nearest distance d n High Bian Fangwei theta n And north orientation phi n 。
Step S4 is executed, the target well track is calibrated to a relief well reference, and particularly, the calibration mode is different according to different well angles; referring specifically to fig. 3A, in an embodiment of the present application, calibrating the target well trajectory to the relief well reference by the relative position further includes:
s301, comparing the well inclination angle of the relief well with a preset threshold value, and obtaining a preset calibration strategy according to a comparison result;
s302, calibrating the target well track to a relief well reference through the relative positions according to the calibration strategy.
Further, referring to fig. 3B, in an embodiment of the present application, calibrating the target well trajectory to the relief well reference according to the calibration strategy through the relative positions includes:
s303, when the well inclination angle of the relief well is smaller than a preset threshold value, calculating the horizontal distance between the relief well and the target well in the same vertical depth;
s304, according to the horizontal distance calculation, obtaining analysis coordinate data of the target well under the same sagging depth, and according to the historical inclinometry data of the target well, obtaining original coordinate data under the corresponding sagging depth by calculation;
and S305, coinciding the original coordinates with the analysis coordinate data by translating the target wellhead, so that the target well track is calibrated to the relief well reference.
Referring again to fig. 3C, in another embodiment of the present application, calibrating the target well trajectory to the relief well reference by the relative position according to the calibration strategy includes:
s306, when the well inclination angle of the relief well is larger than a preset threshold value, calculating the vertical depth of a target well scanned by the relief well in a normal plane under the preset well depth and projection data of the closest distance between the relief well and the target well on a horizontal plane;
s307, according to the projection data, analyzing coordinate data of the target well under the vertical depth of the target well is obtained through calculation, and according to the historical inclinometry data of the target well, original coordinate data under the corresponding vertical depth is obtained through calculation;
and S308, coinciding the original coordinates with the analysis coordinate data by translating the target wellhead, so that the target well track is calibrated to the relief well reference.
In actual operation, when the relief well is inclined angle alpha n At less than 10 °, the calibration procedure is as follows:
calculating the horizontal distance D between the rescue well and the target well under the same pendulous depth n The formula is:
calculating the z of the target well at the same vertical depth n Lower coordinates (X n ,Y n ,Z n ) The formula is:
the original coordinates (X 'of the sag can be obtained according to the historical inclinometry data of the target well' n ,Y n ',Z' n )。
The wellhead is then translated so that the original coordinates (X 'from the target well history inclinometry data' n ,Y n ',Z' n ) With the measured coordinates (X n ,Y n ,Z n ) And (5) overlapping.
When the rescue well is inclined angle alpha n Above 10 °, the calibration procedure is as follows:
calculating target well vertical depth Z of face scanning under preset well depth of rescue well n The formula is:
calculating the nearest distance d between the rescue well and the target well n Projection in the horizontal planeThe formula is:
calculating the vertical depth of a target wellZ n Lower coordinates (X n ,Y n ,Z n ) The formula is:
the original coordinates (X 'of the sag can be obtained according to the historical inclinometry data of the target well' n ,Y n ',Z' n )。
The wellhead is then translated so that the original coordinates (X 'from the target well history inclinometry data' n ,Y n ',Z' n ) With the measured coordinates (X n ,Y n ,Z n ) And (5) overlapping.
Thereby eliminating accumulated errors between instruments.
Step S5 may be executed on the basis of the completion of the foregoing steps, where the calculating the angular difference between the well inclination angle and the azimuth angle of the relief well and the target well in the track plateau by performing a back-thrust calculation may specifically be described with reference to fig. 4, and calculating the angular difference between the relief well and the target well includes:
s401, converting the relative position into a Cartesian coordinate system;
s402, obtaining the angle difference between the well inclination angle and the azimuth angle between the rescue well and the target well according to the Cartesian coordinate system back-pushing calculation.
In actual operation, the implementation steps are as follows:
obtaining the first by the magnetic guiding measurement system i The relative position relation between the rescue well and the target well is converted into a Cartesian coordinate system, and the formula is as follows:
likewise, for trace plateau (well deviation alpha 0 ) First step j The relative position relation between the rescue well and the target well is converted into a Cartesian coordinate system, so as to obtain d j,x And d j,y 。
The well bevel angle difference delta alpha and delta alpha are obtained through back-pushing calculationThe formula is:
thus, the well inclination angle and the azimuth angle of the target well can be calibrated to be unified with the rescue well, and the relative error between instruments is eliminated.
Finally, step S6 can be performed to give a predicted value of track adjustment according to the calibrated well inclination angle and azimuth angle, and the specific process is a reverse pushing form of S5.
The application also provides a relief well track adjusting device, which comprises: the device comprises a data acquisition module, a calculation module and an adjustment module; the data acquisition module is used for acquiring angle parameters of the rescue well at a preset well depth, and calculating and obtaining space coordinate data of the rescue well at the preset well depth according to the angle parameters; the calculation module is used for acquiring the relative positions of the relief well and the current well according to the space coordinate data, calibrating the target well track to a relief well reference through the relative positions, and calculating the angle difference between the relief well and the target well; and the adjusting module is used for adjusting the rescue well track according to the angle difference. The actual operational logic and methods of the components have been described in the preceding examples without further elaboration here.
Referring to fig. 5, the present application further provides an integrated measurement device suitable for the above rescue well track adjustment method, where the device includes: a reducer union mechanism 1, a gyro measurement module 2, a transition joint mechanism 3, a magnetic guiding measurement module 4 and a headstock (not shown); the reducer union mechanism 1 is respectively connected with a telemetry nipple and the gyro measurement module 2; the transition joint mechanism 3 is respectively connected with the gyro measurement module 2 and the magnetic guiding measurement module 4; the headstock is arranged on the telemetry nipple and connected with a logging cable, and is used for driving the logging cable to synchronously put the gyro measurement module 2 and the magnetic guide measurement module 4 into a well to be measured through an external logging winch, so that gyro measurement and magnetic guide measurement under the same depth condition are completed. In actual work, the device can also comprise a plug 5, a remote-transmission nipple and a headstock can be connected above the reducer union, the internal cables of the gyro measurement module and the magnetic guiding measurement module can be connected with the remote-transmission nipple to realize data communication, and the headstock can be arranged above the remote-transmission nipple to be connected with a logging cable to realize the lifting of the magnetic guiding integrated gyro one-time measurement system. In order to more clearly understand the specific structure of the integrated measuring device provided by the application, the above components will be described one by one.
Referring to fig. 6, in an embodiment of the present application, the reducer union mechanism may comprise an upper and lower threaded mating joint 11, a nut 12, an inner rod structure 13, and a reducer union 14; the upper and lower thread mating connectors are respectively arranged at two ends of the reducer union 14, wherein the upper thread mating connector is connected with a corresponding connector of a remote transmission nipple, and the lower thread mating connector is connected with a gyro measurement module; one end of the inner rod member structure 13 is fixed in the reducer union 14 through the nut 12, and the other end is connected with a heat absorber in the gyro measurement module.
Referring to fig. 7 again, in an embodiment of the application, the gyro measurement module may include a gyro housing 21, a gyro 23 and a gyro thermos bottle 25; the gyro shell 21 covers the gyro 23, one end of the gyro shell 21 is connected with the reducer union mechanism through threads, and the other end of the gyro shell is connected with the transition joint mechanism through threads; a top thermos bottle 25 is arranged between the top shell 21 and the top 23, and the top thermos bottle 25 comprises a top upper insulator 22, an annular heat absorber 24 and a top lower insulator 26; the top 23 is fixedly connected with the top upper heat insulator 22 and the top lower heat insulator 26, and the annular heat absorber 24 is clamped on the top 23 and is located between the top upper heat insulator 22 and the top lower heat insulator 26.
In the whole, the gyro measurement module is characterized in that a bearing gyro shell 21 is covered outside an inner gyro 23, a gyro thermos bottle 25 is arranged between the inner gyro 23 and the gyro shell 21 and used for improving the temperature resistance of the gyro 23, an annular heat absorber 24, an upper gyro heat absorber 22 and a lower gyro heat absorber 26 are arranged in the gyro thermos bottle 25, the annular heat absorber 24 is clamped between the upper gyro heat absorber 22 and the lower gyro heat absorber 26, the upper gyro heat absorber 22, the gyro 23 and the lower gyro heat absorber 26 are fixedly connected, the upper gyro heat absorber 22 is fixedly connected with an inner rod member structure 13, the stability of the gyro 23 is ensured through the fixed connection, and the measurement effect is ensured. The top of the top shell 21 is fixedly connected with the reducer joint mechanism 1 through threads, and the bottom of the top shell is fixedly connected with the transition joint mechanism 3 through threads, so that the pressure-bearing performance of the top measuring system 2 is ensured through the fixed connection.
Referring to fig. 8, in an embodiment of the present application, the transition joint mechanism includes a plug seat 31, a built-in plug 32, a threaded coupling ring 33 and a transition joint 34; the plug seat 31 is fixedly connected with a gyro shell of the gyro measurement module; the built-in plug 32 is arranged in the plug seat 31 and is used for providing communication connection between the gyro measurement module and the magnetic guiding measurement module; the threaded coupling ring 33 is used for connecting the top shell and the transition joint 34 through threads; the transition joint 34 is secured to the magnetically guided measurement module by lower threads.
Referring to fig. 9, in an embodiment of the application, the magnetic guiding measurement module includes a magnetic guiding housing 41, a magnetic guiding heat insulator 42, a magnetic guiding upper heat absorber 43, a magnetic guiding probe 44, a magnetic guiding thermos 45 and a magnetic guiding lower heat absorber 46; the magnetic guiding shell 41 covers the magnetic guiding probe tube 44, and one end of the magnetic guiding shell 41 is connected with the transition joint mechanism through threads; a magnetic guiding thermos bottle 45 is arranged between the magnetic guiding shell 41 and the magnetic guiding probe tube 44, and the magnetic guiding thermos bottle 45 comprises a magnetic guiding upper heat absorber 43, a magnetic guiding heat insulator 42 and a magnetic guiding lower heat absorber 46; the magnetic guiding probe 44 is fixedly connected with the magnetic guiding upper heat absorber 43 and the magnetic guiding lower heat absorber 46, and the magnetic guiding heat insulator 42 is fixedly connected with the magnetic guiding probe 44.
In the whole, the magnetic guiding measurement module is characterized in that a pressure-bearing magnetic guiding shell 41 is covered outside an inner magnetic guiding probe tube 44, a magnetic guiding vacuum flask 45 is arranged between the inner magnetic guiding probe tube 44 and the magnetic guiding shell 41, so that the temperature resistance of the magnetic guiding probe tube 44 is improved, a magnetic guiding heat insulator 42, a magnetic guiding upper heat absorber 43 and a magnetic guiding lower heat absorber 46 are arranged in the magnetic guiding vacuum flask 45, the magnetic guiding probe tube 44 is connected in series between the magnetic guiding upper heat absorber 43 and the magnetic guiding lower heat absorber 46 and fixedly connected with the magnetic guiding upper heat absorber 46, and the magnetic guiding heat insulator 42 and the magnetic guiding upper heat absorber 43 are fixedly connected to ensure the stability of the magnetic guiding probe tube 44, so that the measurement effect is ensured. The upper part of the magnetic guiding shell 41 is fixedly connected with the transition joint mechanism 3 through threads, and the lower part of the magnetic guiding shell is fixedly connected with the plug 5 through threads, so that the pressure-bearing performance of the magnetic guiding measurement system 4 is ensured through the fixed connection.
The application also provides a measurement while drilling system comprising the integrated measurement device, and the system further comprises an inversion excitation module and a measurement while drilling storage transmission module; the inversion excitation module is used for generating underground measurement manual excitation information through a preset electromagnetic energy source, and triggering the magnetic guiding measurement module to acquire and obtain the relative position of the rescue well and the current well through the underground measurement manual excitation information; the measurement while drilling storage transmission module is used for transmitting the gyroscopic measurement and the magnetic guidance measurement detected by the gyroscopic measurement module and the magnetic guidance measurement module to ground receiving equipment through mud pulse signals; or storing the gyroscopic measurement and the magnetic steering measurement in association with a predetermined memory.
Referring to fig. 10, the inversion excitation module includes an AC/DC rectification filter circuit, a switching power supply module, a DC/AC inversion power supply, a current sampling feedback circuit and an output signal control module, and the inversion excitation module measures the output current waveform of the DC/AC module in an average current mode, feeds back the output current waveform to the switching power supply module, and calculates the RMS current value of the current output. And comparing the output voltage with a preset stratum excitation current value, if the output voltage is larger than a set current value, reducing the output voltage by the switching power supply module, and if the output voltage is smaller than the set current value, increasing the output by the switching power supply module. The current feedback loop can realize faster response speed and provide a pulse-by-pulse current limiting protection function, and the inversion excitation module is used for providing a specific electromagnetic energy source for the generation of an artificial excitation signal for underground measurement while drilling magnetic guiding, the underground magnetic guiding measurement belongs to relative measurement, a specific artificial signal is required to be generated, and the signal is detected by a magnetic sensor to realize accurate relative measurement. The application changes the commercial power after rectification into 100V-1KV adjustable isolated direct current output, outputs square waves with the frequency of 0.05Hz-10Hz adjustable through an inverter circuit, and adopts a bridge type inversion mode to control the direct current voltage to be changed into alternating current output. Each driving circuit is isolated independently, and the voltage and current acquisition feedback is isolated by an optical coupler, so that the control circuit part is ensured to have no high-voltage interference.
Referring to fig. 11 and 12, the measurement while drilling storage transmission module provided by the application structurally comprises a drill string 1, a turbine power generation system 2, a circuit control housing 3, a circuit communication valve core 4, an insulating spring 5, a circuit communication valve core sleeve 6, a discharge electrode 7, a mud pulse generator/memory 8, a measurement probe 9, a shunt cover 10, a non-magnetic housing 11, a back pressure valve 12, a screw drilling tool 13 and a drill bit 14.
The shell is connected from top to bottom in sequence by the screw thread, the power generation mode has two kinds, one mode mud drive turbine power generation system 2 supplies power to lower part passive magnetic guiding system, still another mode lower part is equipped with power supply battery group and supplies power to lower part passive magnetic guiding system, turn on the pump the back with circuit UNICOM case 4 and circuit UNICOM case cover 6 conduction power supply by pressure action, mud pulse generator 8 transmits mud pulse to ground, ground received signal, or relevant data storage is the drilling again after a period of time is bored in memory 8 and is read data, and then the measurement while drilling has been realized. Wherein, the upper and lower connecting parts of the measuring probe tube are all made of non-magnetic materials, namely the circuit control shell 3 and the back pressure valve 12, so that the magnetic interference on the measuring probe tube 9 is reduced. The circuit control shell 3, the circuit communication valve core 4, the insulating spring 5 and the circuit communication valve core sleeve 6 form a circuit connection system, the circuit communication valve core 4 and the circuit communication valve core sleeve 6 are conducted and powered under the action of pressure after the pump is started, the pressure is released after the pump is stopped, and the circuit communication valve core 4 and the circuit communication valve core sleeve 6 are sprung under the action of the elastic force of the insulating spring 5, so that the circuit is disconnected. The contact parts of the circuit communication valve core 4 and the circuit communication valve core sleeve 6 with the circuit control shell 3 and the insulating spring 5 are insulated; the contact part of the circuit communication valve core 4 and the circuit communication valve core sleeve 6 after spring compression can conduct a circuit.
The beneficial technical effects of the application are as follows: the electromagnetic ranging excitation device can conveniently and rapidly generate low-frequency square wave and sine wave currents with different frequencies, and is used for electromagnetic ranging excitation in a shaft; the relative error among different instruments can be eliminated, and the accuracy of track adjustment is improved, so that the communication/reentry efficiency of the final relief well is improved; the measurement mode of separately implementing gyroscopic measurement and magnetic guiding measurement is changed, and one-pass measurement is realized; the measurement while drilling is realized, the data can be transmitted to the ground in real time through mud pulse, and the data can be read after drilling by drilling a drill bit for one time in a storage mode.
The application also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the above method when executing the computer program.
The present application also provides a computer readable storage medium storing a computer program for executing the above method.
The application also provides a computer program product comprising a computer program/instruction which, when executed by a processor, implements the steps of the above method.
As shown in fig. 13, the electronic device 600 may further include: a communication module 110, an input unit 120, an audio processing unit 130, a display 160, a power supply 170. It is noted that the electronic device 600 need not include all of the components shown in fig. 13; in addition, the electronic device 600 may further include components not shown in fig. 13, to which reference is made to the related art.
As shown in fig. 13, the central processor 100, also sometimes referred to as a controller or operational control, may include a microprocessor or other processor device and/or logic device, which central processor 100 receives inputs and controls the operation of the various components of the electronic device 600.
The memory 140 may be, for example, one or more of a buffer, a flash memory, a hard drive, a removable media, a volatile memory, a non-volatile memory, or other suitable device. The information about failure may be stored, and a program for executing the information may be stored. And the central processor 100 can execute the program stored in the memory 140 to realize information storage or processing, etc.
The input unit 120 provides an input to the central processor 100. The input unit 120 is, for example, a key or a touch input device. The power supply 170 is used to provide power to the electronic device 600. The display 160 is used for displaying display objects such as images and characters. The display may be, for example, but not limited to, an LCD display.
The memory 140 may be a solid state memory such as Read Only Memory (ROM), random Access Memory (RAM), SIM card, or the like. But also a memory which holds information even when powered down, can be selectively erased and provided with further data, an example of which is sometimes referred to as EPROM or the like. Memory 140 may also be some other type of device. Memory 140 includes a buffer memory 141 (sometimes referred to as a buffer). The memory 140 may include an application/function storage 142, the application/function storage 142 for storing application programs and function programs or a flow for executing operations of the electronic device 600 by the central processor 100.
The memory 140 may also include a data store 143, the data store 143 for storing data, such as contacts, digital data, pictures, sounds, and/or any other data used by the electronic device. The driver storage 144 of the memory 140 may include various drivers of the electronic device for communication functions and/or for performing other functions of the electronic device (e.g., messaging applications, address book applications, etc.).
The communication module 110 is a transmitter/receiver 110 that transmits and receives signals via an antenna 111. A communication module (transmitter/receiver) 110 is coupled to the central processor 100 to provide an input signal and receive an output signal, which may be the same as in the case of a conventional mobile communication terminal.
Based on different communication technologies, a plurality of communication modules 110, such as a cellular network module, a bluetooth module, and/or a wireless local area network module, etc., may be provided in the same electronic device. The communication module (transmitter/receiver) 110 is also coupled to a speaker 131 and a microphone 132 via an audio processor 130 to provide audio output via the speaker 131 and to receive audio input from the microphone 132 to implement usual telecommunication functions. The audio processor 130 may include any suitable buffers, decoders, amplifiers and so forth. In addition, the audio processor 130 is also coupled to the central processor 100 so that sound can be recorded locally through the microphone 132 and so that sound stored locally can be played through the speaker 131.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the application, and is not meant to limit the scope of the application, but to limit the application to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (12)
1. A method for adjusting a rescue well trajectory, the method comprising:
acquiring angle parameters of the rescue well under a preset well depth, and calculating to obtain space coordinate data of the rescue well under the preset well depth according to the angle parameters;
acquiring the relative positions of a relief well and a current well according to the space coordinate data, calibrating a target well track to a relief well reference through the relative positions, and calculating the angle difference between the relief well and the target well;
and adjusting the rescue well track according to the angle difference.
2. The relief well trajectory adjustment method of claim 1, wherein acquiring an angle parameter of the relief well at a predetermined well depth comprises:
acquiring well inclination angle and azimuth angle data of different measuring points of the rescue well under a preset well depth through gyro measurement equipment;
and obtaining angle parameters according to the well inclination angle and the azimuth angle data.
3. The relief well trajectory adjustment method according to claim 2, wherein obtaining the spatial coordinate data of the relief well under the preset well depth according to the angle parameter calculation comprises:
acquiring space coordinates of different measuring points through recursive calculation according to the well inclination angle and azimuth angle data;
and obtaining the space coordinate data of the rescue well under the preset well depth according to the space coordinate.
4. The relief well trajectory adjustment method of claim 1, wherein acquiring the relative position of the relief well and the current well from the spatial coordinate data comprises: and acquiring the relative positions of the rescue well and the current well according to the space coordinate data through the magnetic guiding measurement equipment.
5. The relief well trajectory adjustment method of claim 1, wherein calibrating the target well trajectory to a relief well reference by the relative position further comprises:
comparing the well inclination angle of the relief well with a preset threshold value, and obtaining a preset calibration strategy according to a comparison result;
and calibrating the target well track to a relief well reference according to the relative position according to the calibration strategy.
6. The relief well trajectory adjustment method of claim 5, wherein calibrating a target well trajectory to a relief well reference by the relative position according to the calibration strategy comprises:
when the well inclination angle of the rescue well is smaller than a preset threshold value, calculating the horizontal distance between the rescue well and the target well under the same vertical depth;
according to the horizontal distance calculation, obtaining analysis coordinate data of the target well under the same sagging depth, and according to historical inclinometry data of the target well, obtaining original coordinate data under the corresponding sagging depth by calculation;
and coinciding the original coordinates with the analysis coordinate data by translating the target well head, so that the target well track is calibrated to the relief well reference.
7. The relief well trajectory adjustment method of claim 5, wherein calibrating a target well trajectory to a relief well reference by the relative position according to the calibration strategy comprises:
when the well inclination angle of the relief well is larger than a preset threshold value, calculating the vertical depth of a target well scanned by the relief well under the preset well depth and projection data of the closest distance between the relief well and the target well on a horizontal plane;
according to the projection data, calculating to obtain analysis coordinate data of the target well under the sagging depth of the target well, and according to the historical inclinometry data of the target well, calculating to obtain original coordinate data under the corresponding sagging depth;
and coinciding the original coordinates with the analysis coordinate data by translating the target well head, so that the target well track is calibrated to the relief well reference.
8. The relief well trajectory adjustment method of claim 1, wherein calculating an angular difference between the relief well and the target well comprises:
converting the relative position into a Cartesian coordinate system;
and obtaining the angle difference between the well inclination angle and the azimuth angle between the relief well and the target well according to the Cartesian coordinate system back-thrust calculation.
9. A relief well trajectory adjustment device, the device comprising: the device comprises a data acquisition module, a calculation module and an adjustment module;
the data acquisition module is used for acquiring angle parameters of the rescue well at a preset well depth, and calculating and obtaining space coordinate data of the rescue well at the preset well depth according to the angle parameters;
the calculation module is used for acquiring the relative positions of the relief well and the current well according to the space coordinate data, calibrating the target well track to a relief well reference through the relative positions, and calculating the angle difference between the relief well and the target well;
and the adjusting module is used for adjusting the rescue well track according to the angle difference.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of any of claims 1 to 8 when executing the computer program.
11. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program for executing the method of any one of claims 1 to 8 by a computer.
12. A computer program product comprising computer programs/instructions which, when executed by a processor, implement the steps of the method of any of claims 1 to 8.
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