CN210460577U - Horizontal well plugging test system - Google Patents
Horizontal well plugging test system Download PDFInfo
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- CN210460577U CN210460577U CN201920784947.4U CN201920784947U CN210460577U CN 210460577 U CN210460577 U CN 210460577U CN 201920784947 U CN201920784947 U CN 201920784947U CN 210460577 U CN210460577 U CN 210460577U
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Abstract
The utility model relates to a horizontal well shutoff test system, this system include ground numerical control device and the continuous oil pipe, the continuous oil pipe that connect gradually cross the liquid and connect and horizontal well test shutoff instrument cluster, continuous oil pipe cross the liquid connect with all be provided with the communication line in the horizontal well test shutoff instrument cluster just the communication line connects gradually, continuous oil pipe cross the liquid connect with all be provided with the flow tube in the horizontal well test shutoff instrument cluster, the flow tube is linked together in proper order, ground numerical control device set up in ground and with continuous oil pipe is built-in the communication line is connected. The utility model provides a horizontal well shutoff test system monitors in real time the tension and the magnetic positioning information of the continuous oil pipe of shutoff operation overall process in the pit and horizontal well test shutoff instrument cluster to realize safe, reliable shutoff test among the shutoff operation process.
Description
Technical Field
The utility model belongs to the technical field of the oil and gas is surveyed, concretely relates to horizontal well shutoff test system.
Background
As the oil field multi-layer exploitation enters the middle and later stages of development, high aquifers and middle and low aquifers are arranged in a staggered mode, the high water content condition also occurs in the main power producing layer of a plurality of oil wells, and some low water content and low permeability oil layers cannot be normally exploited. Therefore, after the high-water-content and low-yield layer is determined by an early-stage test means, the high-water-content and low-yield layer is generally plugged by plugging operation, so that the aims of stabilizing oil, controlling water, increasing yield and reducing consumption are fulfilled.
At present, two plugging methods are commonly adopted in each oil field, one is mechanical plugging, and the other is chemical plugging. The mechanical method plugging adopts a packer and a matched tool to control water outlet of an oil well, and adopts the technical principle that each production zone is separated by the packer, a water finding and plugging switch is arranged corresponding to each production zone, the water finding and plugging switch is respectively adjusted to be in an open state and a closed state before going down the well, the water finding and plugging switch is respectively aligned to the production zone and a sealing layer, and the change of the switch state is realized by casing pressure; chemical plugging adopts chemical materials (plugging agents) to plug an oil layer, and can be divided into selective water plugging and non-selective water plugging according to whether the plugging agents have selectivity or not. The conventional plugging process comprises: (1) water is detected by adopting methods such as a packer, a production fluid profile measurement and the like, and a water layer is determined; (2) blocking or protecting a production layer by adopting methods such as a packer, sand filling and the like; (3) injecting the water plugging agent into the water outlet layer by using squeezing equipment such as a cement truck; (4) and (4) after the water plugging agent is solidified, drilling and plugging sand washing, and then re-producing.
However, the above plugging methods all lack a safe, reliable plugging test method.
SUMMERY OF THE UTILITY MODEL
In order to solve the deficiencies in the prior art, the utility model provides a horizontal well shutoff test system.
The utility model provides a horizontal well shutoff test system, this system includes:
ground numerical control device and coiled tubing, coiled tubing that connect gradually cross the liquid and connect and horizontal well test shutoff instrument cluster, coiled tubing cross the liquid and connect with all be provided with the communication line in the horizontal well test shutoff instrument cluster just the communication line links gradually, coiled tubing cross the liquid and connect with all be provided with the flow tube in the horizontal well test shutoff instrument cluster, the flow tube is linked together in proper order, ground numerical control device set up in ground and with coiled tubing embeds the communication line is connected.
The utility model discloses an embodiment, horizontal well test shutoff instrument cluster is including the telemetry tension magnetism location nipple joint, the electronic packer of upper horizontal well, the electronic packer of horizontal well shutoff test that connect gradually, the electronic packer of lower horizontal well, telemetry tension magnetism location nipple joint the electronic packer of upper horizontal well the electronic packer of horizontal well shutoff test integration instrument all be provided with in the electronic packer of lower horizontal well the communication line just the communication line links gradually, telemetry tension magnetism location nipple joint the electronic packer of upper horizontal well the electronic packer of horizontal well shutoff test integration instrument all still be provided with in the electronic packer of lower horizontal well the flow-through pipe, the flow-through pipe is linked together in proper order.
In an embodiment of the utility model, still be provided with in the electronic packer of upper horizontal well and set up device, separate the device.
The utility model discloses an in the embodiment, still be provided with the glib talker switch in the horizontal well shutoff test integration appearance.
The utility model discloses an embodiment, still be provided with first pressure sensor, second pressure sensor, temperature sensor in the horizontal well shutoff test integration appearance.
In an embodiment of the present invention, the setting device and the unsealing device are further disposed in the lower horizontal well electric packer.
The utility model discloses an embodiment, horizontal well test shutoff instrument cluster still includes the liquid safety joint, cross liquid safety joint connect in the telemetry tension magnetism location nipple joint with go up between the electronic packer of horizontal well, cross to be provided with in the liquid safety joint the communication line with the flow tube, the telemetry tension magnetism location nipple joint go up the electronic packer of horizontal well it is built-in to cross the liquid safety joint the communication line is connected, the telemetry tension magnetism location nipple joint go up the electronic packer of horizontal well it is built-in to cross liquid safety joint the flow tube is linked together.
In an embodiment of the present invention, a sealing plug device is further disposed in the liquid-passing safety joint.
The utility model discloses an embodiment, horizontal well test shutoff instrument cluster still includes the extension pipe, the extension pipe connect in go up horizontal well electric packer with between the horizontal well shutoff integration appearance, be provided with in the extension pipe the communication line with the flow tube, go up horizontal well electric packer horizontal well shutoff integration appearance the extension pipe is built-in the communication line is connected, go up horizontal well electric packer the horizontal well shutoff integration appearance the extension pipe is built-in the flow tube is linked together.
In an embodiment of the present invention, the communication line is a cable.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a horizontal well shutoff test system monitors in real time the tension and the magnetic positioning information of the continuous oil pipe of shutoff operation overall process in the pit and horizontal well test shutoff instrument cluster to realize safe, reliable shutoff test among the shutoff operation process.
2. The utility model provides a horizontal well shutoff test system, through adopting coiled tubing to carry horizontal well test shutoff instrument cluster, it has integrated shutoff layer test and shutoff agent directional injection function in an organic whole, can be applied to the horizontal well and realize the chemical shutoff of stratum.
3. The utility model provides an inside overflow pipe that all designs of each instrument has special plugging agent to pour into among the horizontal well shutoff test system can guarantee that the plugging agent pours into the target plugging layer into smoothly.
4. The utility model provides an adopt the electronic packer of horizontal well to sit to seal and the deblocking among the horizontal well shutoff test system, guaranteed the reliability and the stability that the horizontal well test section packer sits to seal with the deblocking.
5. The utility model provides a horizontal well shutoff test integration appearance cooperation horizontal well electric packer uses among the horizontal well shutoff test system, can carry out the shutoff to arbitrary test bed, and construction flow can be simplified to relative traditional shutoff test method, improves shutoff operation flexibility.
Drawings
Fig. 1 is a schematic structural diagram of a horizontal well plugging test system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another horizontal well plugging test system provided by the embodiment of the present invention;
fig. 3 is a communication connection schematic diagram of a horizontal well plugging test system provided by the embodiment of the present invention.
Description of the reference numerals
1-ground numerical control device; 2-a communication line; 3-coiled tubing; 4-a coiled tubing liquid passing joint; 5-testing and plugging instrument strings of the horizontal well; 6-a flow-through pipe; 51-remote transmission tension magnetic positioning short section; 52-upper horizontal well electric packer; 53-horizontal well plugging and testing integrated instrument; 54-lower horizontal well electric packer; 55-a liquid-passing safety joint; 56-extension catheter.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
Example one
Please refer to fig. 1, fig. 1 is a schematic structural diagram of a horizontal well plugging test system according to an embodiment of the present invention. This embodiment provides a horizontal well shutoff test system, and this system includes:
the device comprises a ground numerical control device 1, a coiled tubing 3, a coiled tubing liquid passing joint 4 and a horizontal well testing and plugging instrument string 5 which are sequentially connected, communication lines 2 are arranged in the coiled tubing 3, the coiled tubing liquid passing joint 4 and the horizontal well testing and plugging instrument string 5, the communication lines 2 are sequentially connected, flow passing pipes 6 are arranged in the coiled tubing liquid passing joint 4 and the horizontal well testing and plugging instrument string 5, the flow passing pipes 6 are sequentially communicated, and the ground numerical control device 1 is arranged on the ground and is connected with the communication lines 2 arranged in the coiled tubing 3.
Specifically, in the conventional plugging method, the commonly adopted plugging method comprises mechanical plugging and chemical plugging, a water finding and plugging switch is required to be placed in each target plugging layer in the mechanical plugging method, the plugging operation cost is high, the reliability of changing the state of the water plugging switch by remotely pressurizing a wellhead is not high, a packer in the chemical plugging method cannot be reused, the plugging operation sequence is fixed, layers cannot be flexibly changed, and a testing means for evaluating the plugging effect is lacked.
Based on the existing problems, the embodiment provides a horizontal well plugging test system, wherein,
the ground numerical control device 1 is connected with a communication line 2 in one end of a coiled tubing 3, the other end of the coiled tubing 3 is connected with one end of a coiled tubing liquid passing joint 4, and the other end of the coiled tubing liquid passing joint 4 is connected with a horizontal well testing and plugging instrument string 5. Communication lines 2 are arranged in the coiled tubing 3, the coiled tubing liquid-passing joint 4 and the horizontal well testing and plugging instrument string 5, power is supplied to the coiled tubing 3 and the horizontal well testing and plugging instrument string 5 hung below through the communication lines 2, meanwhile, the two-way communication of the coiled tubing 3 and the horizontal well testing and plugging instrument string 5 is realized, the tension and magnetic positioning information of the coiled tubing 3 and the horizontal well testing and plugging instrument string 5 are monitored in real time by the ground numerical control device 1, and the plugging operation process is safe and controllable; meanwhile, the continuous oil pipe liquid passing joint 4 and the horizontal well testing and plugging instrument string 5 are both internally provided with the flow-through pipes 6, and the flow-through pipes 6 are flow-through channels for injecting the special plugging agent, so that the plugging agent can be ensured to be smoothly injected into a target plugging layer. In the horizontal well plugging test, the coiled tubing 3 conveys the horizontal well test plugging instrument string 5 to be lowered, the ground numerical control device 1 adopts a depth driving mode in the lowering process, the lowering depth and tension information of the horizontal well test plugging instrument string 5 are displayed in real time, and the position of a test section is determined according to the lowering depth and tension information, so that the position of the test section of the horizontal well is accurately positioned. The horizontal well test plugging instrument string 5 is lowered by means of providing thrust to the coiled tubing 3 from the outside, and the coiled tubing 3 conveys the horizontal well test plugging instrument string 5 to be lowered.
Preferably, the communication line 2 is a cable.
Further, the horizontal well testing and plugging instrument string 5 comprises a remote transmission tension magnetic positioning short section 51, an upper horizontal well electric packer 52, a horizontal well plugging and testing integrated instrument 53 and a lower horizontal well electric packer 54 which are sequentially connected, communication lines 2 are arranged in the remote transmission tension magnetic positioning short section 51, the upper horizontal well electric packer 52, the horizontal well plugging and testing integrated instrument 53 and the lower horizontal well electric packer 54 and are sequentially connected, overflow pipes 6 are further arranged in the remote transmission tension magnetic positioning short section 51, the upper horizontal well electric packer 52, the horizontal well plugging and testing integrated instrument 53 and the lower horizontal well electric packer 54, and the overflow pipes 6 are sequentially communicated.
Please refer to fig. 2 and fig. 3, fig. 2 is a schematic structural diagram of another horizontal well plugging test system provided by the embodiment of the present invention, and fig. 3 is a schematic communication connection diagram of a horizontal well plugging test system provided by the embodiment of the present invention. This embodiment horizontal well test shutoff instrument cluster 5 includes:
the telemetry tension magnetic positioning short joint 51 is internally provided with a communication wire 2 and an overflow pipe 6.
Specifically, one end of the remote transmission tension magnetic positioning nipple 51 is connected with the coiled tubing liquid passing joint 4, and the other end of the remote transmission tension magnetic positioning nipple 51 is connected with the upper horizontal well electric packer 52. The remote transmission tension magnetic positioning pup joint 51 is used for controlling the communication of the underground upper horizontal well electric packer 52, the horizontal well plugging and testing integrated instrument 53 and the lower horizontal well electric packer 54, integrating the data on the connected upper horizontal well electric packer 52, the horizontal well plugging and testing integrated instrument 53 and the lower horizontal well electric packer 54, and transmitting the data to the ground numerical control device 1 in a digital coding mode. Meanwhile, the remote-transmission tension magnetic positioning pup joint 51 is also used for measuring underground magnetic positioning information and tension of the coiled tubing 3 acting on the horizontal well testing and plugging instrument string 5, wherein the measurement of the magnetic positioning information specifically refers to the measurement of underground depth, and the measurement of the tension of the horizontal well testing and plugging instrument string 5 specifically comprises the measurement of the thrust or the tension of the coiled tubing 3 acting on the horizontal well testing and plugging instrument string 5. In the horizontal well plugging test, the coiled tubing 3 conveys the horizontal well testing plugging instrument string 5 to be lowered, the remote-transmission tension magnetic positioning short joint 51 transmits measured tension and magnetic positioning information data to the ground numerical control device 1 through a cable in real time, the ground numerical control device 1 displays the lowered tension and magnetic positioning information of the horizontal well testing plugging instrument string 5 in real time, and the section to be tested is determined through the lowered tension and magnetic positioning information.
The upper horizontal well electric packer 52 and the lower horizontal well electric packer 54 are internally provided with a communication line 2 and an overflow pipe 6, and are internally provided with a setting device and a deblocking device.
Specifically, one end of an upper horizontal well electric packer 52 is connected with a telemetry tension magnetic positioning pup joint 51, the other end of the upper horizontal well electric packer 52 is connected with one end of a horizontal well plugging and testing integrated instrument 53, and the other end of the horizontal well plugging and testing integrated instrument 53 is connected with a lower horizontal well electric packer 54. The setting devices in the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54 realize electric setting of the layered test section, and the deblocking devices realize electric deblocking of the layered test section, so that the reliability and stability of setting and deblocking of the horizontal well test section packer are ensured. In the horizontal well plugging test, when the horizontal well test plugging instrument string 5 is lowered to the horizontal well test section position, the ground numerical control device 1 sends a setting command or a deblocking command to the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54 through the remote transmission tension magnetic positioning pup joint 51, the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54 receive the setting command or the deblocking command, a setting motor is opened when the received setting command is received, the setting motor drives an electric pump to realize electric setting, and a pressure relief channel is opened when the received deblocking command is received to realize electric deblocking.
The horizontal well plugging and testing integrated instrument 53 is internally provided with a communication line 2 and an overflow pipe 6, and is also internally provided with a first pressure sensor, a second pressure sensor, a temperature sensor and a nozzle switch.
Specifically, in this embodiment, the first pressure sensor in the horizontal well plugging and testing integrated instrument 53 is used to collect the pressure in the pipe of the flow pipe 6 between the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54, the second pressure sensor is used to collect the pressure in the oil layer between the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54, the pressure in the oil layer is tested, and the pressure obtained by the test is transmitted to the second pressure sensor built in the horizontal well plugging and testing integrated instrument 53 through the pressure guide channel to collect the pressure in the oil layer, the temperature sensor is used to collect the temperature in the pipe of the flow pipe 6 or in the oil layer between the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54, and the oil nozzle switch is used to control the directional injection of the plugging agent into the target plugging layer. In a horizontal well plugging test, after an upper horizontal well electric packer 52 and a lower horizontal well electric packer 54 complete electric setting, the ground numerical control device 1 sends a choke closing command to a choke switch in a horizontal well plugging test integrated instrument 53 through a remote transmission tension magnetic positioning pup joint 51, the horizontal well plugging test integrated instrument 53 closes the choke after receiving the choke closing command, a stratum recovery pressure test is carried out, stratum recovery pressure data obtained by the test is transmitted to the ground numerical control device 1 in real time, and the ground numerical control device 1 displays the stratum recovery pressure in real time in a time simulation mode; when the tested formation recovery pressure data is analyzed and a target plugging layer is determined, the ground numerical control device 1 sends a nozzle opening command to a nozzle switch in the horizontal well plugging and testing integrated instrument 53 through a remote transmission tension magnetic positioning short section 51, and the horizontal well plugging and testing integrated instrument 53 opens the nozzle after receiving the nozzle opening command; after the oil nozzle is opened, injecting a plugging agent from the interior of the coiled tubing 3, outputting the plugging agent from the oil nozzle opening of the horizontal well plugging and testing integrated instrument 53 after the plugging agent passes through the coiled tubing 3, the coiled tubing liquid passing joint 4, the remote transmission tension magnetic positioning short joint 51 and the flow passing pipe 6 in the upper horizontal well electric packer 52, injecting the plugging agent into a determined target plugging layer to realize a plugging function, and testing the pressure and the temperature of the inner pipe and the outer pipe between the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54 by the horizontal well plugging and testing integrated instrument 53 through a built-in first pressure sensor, a built-in second pressure sensor and a built-in temperature sensor, and the pressure and the temperature of the inner pipe and the outer pipe obtained by the test are uploaded to a ground numerical control device 1 through a communication line 2, which is equivalent to ground direct reading, and is beneficial to observing and monitoring the whole plugging test process in real time by workers. The testing of the formation recovery pressure is that the crude oil has a certain pressure in the formation storage, when the oil nozzle of the horizontal well plugging and testing integrated instrument 53 is opened to produce liquid, the formation pressure is released and falls, and when the oil nozzle of the horizontal well plugging and testing integrated instrument 53 is closed, the formation pressure naturally rises.
Further, the horizontal well testing and plugging instrument string 5 of the embodiment is further provided with a liquid passing safety joint 55, and the communication line 2 and the flow passing pipe 6 are arranged inside the liquid passing safety joint 55.
Specifically, in this embodiment, when a certain instrument in the horizontal well testing and plugging instrument string 5 is stuck, the ground numerical control device 1 issues a release command to the liquid passing safety joint 55 through the remote transmission tension magnetic positioning short joint 51, and after the liquid passing safety joint 55 receives the release command, the horizontal well testing and plugging instrument string 5 is released, so that the coiled tubing 3 is protected, and then the released horizontal well testing and plugging instrument string 5 is salvaged through a special salvage tool. Wherein, the inside sealing plug device that sets up in the liquid safety joint 55 still, the sealing plug device can ensure that horizontal well test shutoff instrument cluster 5 is given up the back, and well liquid can not get into inside teletransmission tension magnetic positioning nipple 51 and the electronic packer 52 of last horizontal well, causes the damage to teletransmission tension magnetic positioning nipple 51 and the electronic packer 52 of last horizontal well.
Further, the horizontal well testing and plugging instrument string 5 of the present embodiment is further provided with an extension conduit 56, and the extension conduit 8 is internally provided with the communication line 2 and the flow-through pipe 6.
Specifically, the extension pipe 56 in this embodiment is flexible to increase the section span of the upper and lower horizontal well electric packers 52, 54.
The working flow of the horizontal well plugging test system provided by the embodiment is as follows:
the ground numerical control device 1 supplies power to the telemetry tension magnetic positioning short section 51 through a communication line 2 arranged in the coiled tubing 3, and meanwhile, the ground numerical control device 1 and the telemetry tension magnetic positioning short section 51 are communicated by adopting Manchester coding, the uploading communication baud rate is 22.916Kbps, and the downloading communication baud rate is 300 bps. The remote transmission tension magnetic positioning nipple 51 converts the voltage on the communication line 2 into an internal bus voltage and supplies power to the upper horizontal well electric packer 52, the horizontal well plugging and testing integrated instrument 53 and the lower horizontal well electric packer 54, the remote transmission tension magnetic positioning nipple 51, the lower hung upper horizontal well electric packer 52, the horizontal well plugging and testing integrated instrument 53 and the lower horizontal well electric packer 54 adopt a bus addressing mode, communication codes are AMI codes, and the communication baud rate is 100 Kbps.
The coiled tubing 3 conveys the horizontal well testing plugging instrument string 5 to be lowered, the remote-transmission tension magnetic positioning short joint 51 transmits the measured depth and tension information data to the ground numerical control device 1 in real time through the communication line 2 in the lowering process, the ground numerical control device 1 displays the lowering depth and tension information of the horizontal well testing plugging instrument string 5 in real time, and the section to be tested is determined according to the lowering depth and tension information;
after the horizontal well testing and plugging instrument string 5 is lowered to a section to be tested, the ground numerical control device 1 controls the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54 to open electric setting through the communication line 2;
after the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54 complete electric setting, closing an oil nozzle of the horizontal well plugging and testing integrated instrument 52, and measuring the stratum recovery pressure corresponding to the section to be tested, transmitting the stratum recovery pressure data to the remote transmission tension magnetic positioning pup joint 51 by the horizontal well plugging and testing integrated instrument 52 through the communication line 2, integrating all data on the lower-hung upper horizontal well electric packer 52, the horizontal well plugging and testing integrated instrument 53 and the lower horizontal well electric packer 54 by the remote transmission tension magnetic positioning pup joint 51, transmitting the integrated data to the ground numerical control device 1, and analyzing and displaying the received data in real time by the ground numerical control device 1;
after a target plugging layer is determined by analyzing received data, plugging operation is carried out, the ground numerical control device 1 controls a horizontal well plugging and testing integrated instrument 53 to open an oil nozzle through a communication line 2, a plugging agent is injected from the interior of a continuous oil pipe 3 after the oil nozzle is opened, the plugging agent sequentially passes through a remote transmission tension magnetic positioning short section 51, a liquid passing safety joint 55, an upper horizontal well electric packer 52, an extension conduit 56, the horizontal well plugging and testing integrated instrument 53 and a flow passing pipe 6 arranged in the lower horizontal well electric packer 54, and is injected into the target plugging layer from an oil nozzle opening of the horizontal well plugging and testing integrated instrument 53 to realize a plugging function, at the moment, the horizontal well plugging and testing integrated instrument 53 is tested for pressure and temperature inside and outside the pipe, and the tested pressure and temperature inside and outside the pipe are both uploaded to the ground numerical control device 1 through the communication line 2;
after the plugging operation is finished, the ground numerical control device 1 controls the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54 to open a pressure relief channel through the remote transmission tension magnetic positioning short joint 51 so as to perform electric deblocking;
after the electric deblocking of the upper horizontal well electric packer 52 and the lower horizontal well electric packer 54 is completed, the coiled tubing 3 conveys the horizontal well test plugging instrument string 5 to the next test section to carry out a new round of test and plugging operation, thereby realizing the horizontal well plugging test of any test layer.
The embodiment provides a horizontal well plugging test system matched with coiled tubing 3 for operation, the horizontal well plugging test system can monitor tension and magnetic positioning information of coiled tubing 3 during downhole operation, test the pressure and temperature inside and outside a pipe at a target plugging layer, and transmit the tested pressure and temperature inside and outside the pipe to a ground numerical control device 1 through a communication line 2 in real time, so that real and accurate dynamic monitoring data are provided for oil field development, the construction process is simplified, and the plugging operation flexibility is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The utility model provides a horizontal well shutoff test system, its characterized in that, including ground numerical control device (1) and coiled tubing (3), coiled tubing that connect gradually cross liquid joint (4) and horizontal well test shutoff instrument cluster (5), coiled tubing (3) cross liquid joint (4) with all be provided with in horizontal well test shutoff instrument cluster (5) communication line (2) just communication line (2) link gradually, coiled tubing cross liquid joint (4) with all be provided with in horizontal well test shutoff instrument cluster (5) flow tube (6), flow tube (6) are linked together in proper order, ground numerical control device (1) set up in ground and with coiled tubing (3) are built-in communication line (2) are connected.
2. The system according to claim 1, characterized in that the horizontal well testing and plugging instrument string (5) comprises a telemetry tension magnetic positioning pup joint (51), an upper horizontal well electric packer (52), a horizontal well plugging and testing integrated instrument (53) and a lower horizontal well electric packer (54) which are connected in sequence, the telemetry tension magnetic positioning pup joint (51), the upper horizontal well electric packer (52), the horizontal well plugging and testing integrated instrument (53) and the lower horizontal well electric packer (54) are all internally provided with the communication line (2), the communication line (2) is connected in sequence, the telemetry tension magnetic positioning pup joint (51), the upper horizontal well electric packer (52), the horizontal well plugging and testing integrated instrument (53) and the lower horizontal well electric packer (54) are all internally provided with the flow passing pipe (6), the overflow pipes (6) are communicated in sequence.
3. The system as claimed in claim 2, characterized in that a setting device and a releasing device are further arranged in the upper horizontal well electric packer (52).
4. The system according to claim 2, characterized in that a choke switch is further arranged in the horizontal well plugging and testing integrated instrument (53).
5. The system according to claim 2, characterized in that a first pressure sensor, a second pressure sensor and a temperature sensor are further arranged in the horizontal well plugging and testing integrated instrument (53).
6. The system of claim 3, wherein the setting device and the unseating device are also disposed within the lower horizontal well electrically driven packer (54).
7. The system according to claim 2, characterized in that the horizontal well testing and plugging instrument string (5) further comprises a liquid passing safety joint (55), the liquid passing safety joint (55) is connected between the telemetry tension magnetic positioning nipple (51) and the upper horizontal well electric packer (52), the communication line (2) and the flow passing pipe (6) are arranged in the liquid passing safety joint (55), the telemetry tension magnetic positioning nipple (51), the upper horizontal well electric packer (52) and the communication line (2) arranged in the liquid passing safety joint (55) are connected, and the telemetry tension magnetic positioning nipple (51), the upper horizontal well electric packer (52) and the flow passing pipe (6) arranged in the liquid passing safety joint (55) are communicated.
8. System according to claim 7, characterized in that a sealing plug device is also arranged in the liquid passing safety joint (55).
9. The system according to claim 2, characterized in that the horizontal well testing and plugging instrument string (5) further comprises an extension conduit (56), the extension conduit (56) is connected between the upper horizontal well electric packer (52) and the horizontal well plugging and testing integrated instrument (53), the communication line (2) and the flow-through pipe (6) are arranged in the extension conduit (56), the upper horizontal well electric packer (52), the horizontal well plugging and testing integrated instrument (53) and the communication line (2) arranged in the extension conduit (56) are connected, and the upper horizontal well electric packer (52), the horizontal well plugging and testing integrated instrument (53) and the flow-through pipe (6) arranged in the extension conduit (56) are communicated.
10. System according to claim 2, characterized in that the communication line (2) is a cable.
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| CN201920784947.4U CN210460577U (en) | 2019-05-28 | 2019-05-28 | Horizontal well plugging test system |
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| CN201920784947.4U CN210460577U (en) | 2019-05-28 | 2019-05-28 | Horizontal well plugging test system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185411A (en) * | 2019-05-28 | 2019-08-30 | 西安思坦仪器股份有限公司 | A kind of horizontal well closure test macro |
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2019
- 2019-05-28 CN CN201920784947.4U patent/CN210460577U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185411A (en) * | 2019-05-28 | 2019-08-30 | 西安思坦仪器股份有限公司 | A kind of horizontal well closure test macro |
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