CN110886603A - Intelligent five-parameter seal checking instrument for separate injection well - Google Patents
Intelligent five-parameter seal checking instrument for separate injection well Download PDFInfo
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- CN110886603A CN110886603A CN201811048861.1A CN201811048861A CN110886603A CN 110886603 A CN110886603 A CN 110886603A CN 201811048861 A CN201811048861 A CN 201811048861A CN 110886603 A CN110886603 A CN 110886603A
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- 238000002347 injection Methods 0.000 title claims abstract description 43
- 239000007924 injection Substances 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 238000012360 testing method Methods 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000007689 inspection Methods 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 239000010985 leather Substances 0.000 claims description 68
- 210000000078 claw Anatomy 0.000 claims description 61
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- 238000012545 processing Methods 0.000 claims description 20
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- 238000007906 compression Methods 0.000 claims description 10
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- 230000005389 magnetism Effects 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 3
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- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002332 oil field water Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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Abstract
The invention discloses a five-parameter intelligent seal inspection instrument for a separate injection well.A positioning mechanism is connected with an opening and closing driving device of an upper positioning mechanism through an inner connecting rod sleeve on one hand and is connected with a sealing mechanism on the other hand through a connecting sleeve, the sealing mechanism is connected with an unsetting driving device of the upper sealing mechanism through a long sheath, the opening and closing driving device of the positioning mechanism is electrically connected with a lower integrated testing device and both the opening and closing driving device and the lower integrated testing device are arranged in a middle sheath, the middle sheath is arranged in a long sheath, the unsetting driving device of the sealing mechanism is electrically connected with an upper integrated testing device and both the unsetting driving device and the upper integrated testing device are arranged in an upper protective sleeve, a temperature sensor, a flow sensor, a magnetic positioning joint and an upper pressure sensor are also arranged in the upper end of the. The invention realizes the direct-reading electric seal inspection of the downhole packer of the separate injection well, simultaneously measures five production parameters of the water distributor of the separate injection well, and improves the test efficiency and the test reliability of the separate injection well.
Description
Technical Field
The invention relates to a testing technology of an oil field water injection well, in particular to a five-parameter intelligent seal testing instrument of a separate injection well.
Background
The separate-layer water injection development is the most economic development mode for supplementing reservoir energy, expanding water injection wave and volume and improving oil reservoir recovery ratio in the oil reservoir development process. The existing research results and field development experience show that the more the water injection layer is divided, the higher the oil field recovery ratio is, and as the oil field generally enters the later stage of high water content development, the fine water injection is the inevitable requirement for the development of the oil field water injection work. And (3) injecting water by separate layers, wherein a packer is mainly adopted to separate two adjacent layers. The packer sealing effectiveness is directly related to the zonal injection effect, so that the packer needs to be tested after the zonal injection string is completed and before test and allocation so as to confirm the sealing integrity of the packer.
The existing bridge type concentric separate injection pipe column matched seal checking technology adopts mechanical seal checking, and the following problems exist in application: (1) the tester is inaccurate in positioning, so that inaccurate or failed tests are easily caused at the pipe column coupling, and the test workload is increased; (2) the tester is set by means of the dead weight of the tester and a mechanical slip, and a sealing element is damaged in the setting process to cause test failure; (3) the tester is in the neck section of tubular column, appears descending in the directional well and meets and hinders, can't accomplish test work.
In order to further improve the injection allocation effect of the separated layer water injection amount of the oil field, implement the sealing performance of the separated layer packer and the accuracy of separated layer water injection data, improve the seal checking work efficiency of the separated injection well, reduce the field labor intensity, and a matched seal checking instrument with electric direct reading and reliable seal checking is needed.
Disclosure of Invention
The invention aims to provide a five-parameter intelligent seal inspection instrument for a separate injection well, which realizes direct-reading electric seal inspection of a downhole packer of the separate injection well, simultaneously measures five production parameters of a water distributor of the separate injection well, such as temperature, vertical pressure, flow, depth and the like, and improves the test efficiency and test reliability of the separate injection well.
In order to achieve the purpose, the invention adopts the following technical scheme that the injection well five-parameter intelligent seal inspection instrument comprises a positioning mechanism, a sealing mechanism, a positioning mechanism opening and closing driving device, a sealing mechanism unsetting driving device, a lower integrated testing device and an upper integrated testing device, wherein the positioning mechanism is connected with the upper positioning mechanism opening and closing driving device through a central pressure transmission sleeve on one hand and is connected with the upper sealing mechanism through a connecting sleeve on the other hand, the sealing mechanism is connected with the upper sealing mechanism unsetting driving device through a taper sleeve and a long sheath, the positioning mechanism opening and closing driving device is electrically connected with the lower integrated testing device and both the positioning mechanism opening and closing driving device and the upper integrated testing device are arranged in a middle sheath, the middle sheath is arranged in the long sheath, the sealing mechanism unsetting driving device is electrically connected with the upper integrated testing device and both the sealing mechanism unsetting driving device and the upper integrated testing device are arranged in, go up still set up temperature sensor, flow sensor, magnetism positioning joint, go up pressure sensor in protecting the section of thick bamboo, the center passes the inside pressure sensor that sets up in pressure sleeve upper end, temperature sensor, flow sensor, magnetism positioning joint, go up pressure sensor all are connected with last integrated test device electricity, pressure sensor and lower integrated test device down, integrated test device is connected with last integrated test device electricity down.
The positioning mechanism comprises a positioning claw main body, a positioning claw, a pre-tightening pressure spring, a switch head, a small pressure spring, a small opening sleeve, a large pressure spring, a central pressure transmission sleeve and a connecting sleeve, wherein the positioning claw is divided into a left claw and a right claw, two adjacent surfaces of the left claw and the right claw are provided with grooves, the pre-tightening pressure spring is arranged between the two grooves, the upper end of the left claw and the upper end of the right claw are hinged on the positioning claw main body through respective positioning pins, the positioning claw main body is provided with a radial open cavity for accommodating the positioning claw, the lower end of the switch head simultaneously props against inclined planes arranged at the upper end of the left claw and the upper end of the right claw, the middle outer wall of the switch head is in spiral connection with the inner wall of the connecting sleeve, the lower end of the connecting sleeve is connected at the upper end of the positioning claw, the upper end of the switch head is connected with the upper end of the central pressure transmission sleeve, the small pressure spring, the lower end of the pressure transmission sleeve is abutted against the upper end face of the switch head, a large pressure spring is arranged outside the central pressure transmission sleeve, the upper end of the large pressure spring is abutted against a limiting table in the connecting sleeve, and the lower end of the large pressure spring is abutted against an outer limiting table arranged at the bottom end of the outer wall of the central pressure transmission sleeve.
The positioning mechanism start-stop driving device comprises a lower motor, a threaded sleeve, a lower motor fixing barrel and a torsion shaft, wherein the lower motor is installed in the lower motor fixing barrel, the lower motor fixing barrel is installed in a middle sheath, the lower motor output end is sequentially connected with the torsion shaft, the threaded sleeve, a circuit board barrel, a center pressure transmission sleeve and a small opening sleeve, and the two ends are sequentially connected through threads.
The lower circuit board comprises a first central processing unit and a first memory which are electrically connected, the lower motor is electrically connected with the first central processing unit, and the lower pressure sensor is electrically connected with the first central processing unit.
The sealing mechanism comprises a leather cup seat, a leather cup pressing sleeve, a leather cup and a taper sleeve, wherein the upper end opening of the leather cup corresponds to the taper sleeve above the leather cup seat, the upper end of the taper sleeve is in threaded connection with a long sheath, the lower end of the leather cup is clamped between the leather cup seat and the leather cup pressing sleeve, the lower end of the leather cup seat is connected to the upper end of a connecting sleeve, the leather cup seat and the leather cup pressing sleeve are sleeved outside the taper sleeve, a center pressure transmission sleeve penetrates through the inner cavity of the taper sleeve, a fixed thread sleeve is installed on the outer wall of the lower end of the taper sleeve, and the upper end face of the fixed thread sleeve can be axially limited to.
The sealing mechanism is characterized in that the sealing mechanism is a setting-releasing driving device which comprises an upper motor, a screw block, a small screw sleeve, an upper rotating joint, a top sleeve, a lead screw, an upper motor collision block, an upper torsion sleeve and an upper motor barrel, wherein the upper motor is arranged in the upper motor barrel, the output end of the upper motor and the upper end of the lead screw are synchronously connected with the upper torsion sleeve, the lower end of the lead screw is axially fixed on the upper rotating joint, the upper motor collision block is arranged on the upper side of the lead screw, the lead screw and the upper motor collision block are arranged in a groove on the lower part of the upper motor barrel, the lead screw, the upper motor collision block and the upper motor barrel form a lead screw nut mechanism, the upper motor collision block synchronously and the upper motor barrel; the thrust bearing is arranged in the middle of the screw rod, and the thrust bearing enables an external load borne by the screw rod to be transferred to the motor barrel, so that the load is prevented from acting on the upper motor, and the service life of the motor is prolonged; the lower portion of the screw rod is in threaded connection with the screw block, the outside of the screw block is in threaded connection with the small screw sleeve, the outside of the small screw sleeve is in threaded connection with the upper end of the long sheath, the screw rod, the screw block and the upper rotating joint form a screw rod nut mechanism, when the screw rod rotates, the screw block synchronously moves along the screw rod to drive the small screw sleeve and the long sheath to synchronously move, the long sheath moves to drive the taper sleeve to synchronously move, and then compression and release of the leather cup are completed.
The upper integrated testing device comprises a first central processing unit and a first memory, the first central processing unit is electrically connected with the upper motor, the temperature sensor, the flow sensor, the magnetic positioning joint and the upper pressure sensor are electrically connected with the first central processing unit, the magnetic positioning joint is positioned at the upper port of the upper protective barrel, the upper end of the magnetic positioning joint is connected with the upper joint, the upper end of the upper motor barrel is connected with the sliding needle seat, the upper end of the sliding needle seat is connected with the compression spiral ring, and the upper end of the upper motor is fixed by the sliding needle seat and the compression spiral ring.
The second central processing unit is electrically connected with the ground processor.
Compared with the prior art, the invention has the following beneficial effects:
the injection allocation effect of the water injection quantity of the oilfield separate layer water injection is improved, the sealing performance of the separate layer packer and the accuracy of separate layer water injection data are achieved, the seal checking work efficiency of the separate injection well is improved, and the field labor intensity is reduced. The direct-reading electric seal inspection of the underground packer of the separate-injection well is realized, five production parameters such as the temperature, the upper and lower pressure, the flow, the depth and the like of the water distributor of the separate-injection well are measured simultaneously, and the test efficiency and the test reliability of the separate-injection well are improved.
Drawings
Fig. 1 is a schematic structural diagram of a five-parameter intelligent seal testing instrument for a dispensing well.
In the figure: 1-a positioning claw main body, 2-a positioning claw, 3-a pressure spring, 4-a switch head, 5-a small pressure spring, 6-a small opening sleeve, 7-a large pressure spring, 8-a central pressure transmission sleeve, 9-a connection sleeve, 10-a leather cup seat, 11-a leather cup pressure sleeve, 12-a leather cup, 13-a taper sleeve, 14-a connector, 15-a circuit board barrel, 16-a middle sheath, 17-a long sheath, 18-a screw sleeve, 19-a lower motor fixing barrel, 20-a torque shaft, 21-a screw block, 22-a small screw sleeve, 23-an upper rotating joint, 24-a top sleeve, 25-a lead screw, 26-an upper motor collision block, 27-an upper torque sleeve, 28-an upper motor barrel, 29-an upper protection barrel, 30-a sliding needle seat, 31-a pressing spiral ring, 32-fixed threaded sleeve, 33-thrust bearing, 34-thrust bearing, 35-temperature sensor, 36-flow sensor, 37-magnetic positioning joint, 38-lower pressure sensor, 39-upper pressure sensor, 40-lower circuit board, 41-lower motor, 42-upper motor, 43-upper circuit board, 44-cable, 45-upper joint, 46-cable connector and 47-ground processor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the five-parameter intelligent seal inspection instrument for the separate injection well comprises a positioning mechanism, a sealing mechanism, a positioning mechanism opening and closing driving device, a sealing mechanism unsetting driving device, a lower integrated testing device and an upper integrated testing device, wherein the positioning mechanism is connected with the upper positioning mechanism opening and closing driving device through a central pressure transmission sleeve 8 on one hand and is connected with the upper sealing mechanism through a connecting sleeve 9 on the other hand, the sealing mechanism is connected with the upper sealing mechanism unsetting driving device through a taper sleeve 13 and a long sheath 17, the positioning mechanism opening and closing driving device is electrically connected with the lower integrated testing device and both the positioning mechanism opening and closing driving device and the lower integrated testing device are arranged in a middle sheath 16, the middle sheath 16 is arranged in the long sheath 17, the sealing mechanism unsetting driving device is electrically connected with the upper integrated testing device and both the positioning mechanism opening and closing driving device and the lower integrated testing device are arranged in an upper protective sleeve 29, and a temperature sensor 35, flow sensor 36, magnetism location joint 37, go up pressure sensor 39, the inside pressure sensor 38 that sets up down that passes pressure sleeve 8 upper end in the center, temperature sensor 35, flow sensor 36, magnetism location joint 37, go up pressure sensor 39 and all be connected with last integrated test device electricity, pressure sensor 38 and lower integrated test device down, integrated test device is connected with last integrated test device electricity down.
The positioning mechanism comprises a positioning claw main body 1, a positioning claw 2, a pre-tightening pressure spring 3, a switch head 4, a small pressure spring 5, a small opening sleeve 6, a large pressure spring 7, a central pressure transmission sleeve 8 and a connecting sleeve 9, wherein the positioning claw 2 is divided into a left claw and a right claw, two adjacent surfaces of the left claw and the right claw are provided with grooves, the pre-tightening pressure spring 3 is arranged between the two grooves, the upper end of the left claw and the upper end of the right claw are hinged on the positioning claw main body 1 through respective positioning pins, the positioning claw main body 1 is provided with a radial open cavity for accommodating the positioning claw, the lower end of the switch head 4 is simultaneously propped against inclined planes arranged at the upper end of the left claw and the upper end of the right claw, the upper end of the positioning claw main body 1 is in threaded connection with the connecting sleeve 9, the switch head 4 is in a flat structure, the switch head 4 is fixed in the small opening sleeve 6, the upper end of the small opening sleeve 6 is in threaded connection with the central pressure, a small pressure spring 5 and a large pressure spring 7 are respectively arranged inside and outside the small opening sleeve 6, the upper end of the small pressure spring 5 is propped against the lower end face of the inner wall of the small opening sleeve 6, the lower end of the small pressure spring is propped against the upper end face of the switch head 4, the upper end of the large pressure spring 7 is propped against a limiting platform in the connecting sleeve 9, and the lower end face of the large pressure spring is propped against a limiting step face of the outer wall of the small opening sleeve 6; the big and small pressure springs axially and upwardly centralize the small opening sleeve 6 on one hand, and enable the connecting sleeve 9, the small opening sleeve 6 and the switch head 4 to be tightly connected on the other hand, and the switch head 4 and the lower motor 41 synchronously rotate in the torque transmission process of the lower motor 41.
The positioning mechanism start-stop driving device comprises a lower motor 41, a threaded sleeve 18, a lower motor fixing barrel 19 and a torsion shaft 20, wherein the lower motor 41 is installed in the lower motor fixing barrel 19, the lower motor fixing barrel 19 is installed in a middle sheath 16, the output end of the lower motor 41 is sequentially connected with the torsion shaft 20, the threaded sleeve 18, a circuit board barrel 15, a center pressure transmission sleeve 8 and a small opening sleeve 6, and sequentially connected in a threaded manner, the lower integrated testing device comprises a lower circuit board 40, the lower circuit board 40 is arranged in the circuit board barrel 15, the upper end of the center pressure transmission sleeve 8 is hermetically arranged inside a connector 14, the upper end of the connector 14 is connected with the circuit board barrel 15, the circuit board barrel 15 is installed in the middle sheath 16, and a lower thrust bearing 33 is installed between the middle sheath 16 and the lower motor fixing barrel 19.
The sealing means of the connector 14 prevents liquid from entering the middle sheath 16 and contacting the lower circuit board 40, causing short circuit failure of the instrument. The thrust bearing 33 can transmit the formation pressure to the lower motor fixing cylinder through the central pressure transmission sleeve 8 and the connector 14, so that the lower motor 41 is prevented from being damaged due to the action of load on the lower motor 41. The middle sheath 16 prevents external pressure from acting on the circuit board 40 and the lower motor 41, and prevents internal parts from being damaged due to pressure bearing. The circuit board barrel 15 shields the circuit board 40 on the one hand and also transmits the torque of the lower motor 41 through the screw. The torsion shaft 20 and the threaded sleeve 18 transfer the torque of the lower motor 41 from the axis center to the cylinder body of the circuit board cylinder 15 and transmit the torque to the switch head 4 through the central pressure transmission sleeve 8.
After the instrument is placed at a preset position, the lower motor receives a starting instruction, the lower motor rotates in the forward direction, torque is transmitted to the threaded sleeve 18 from the output shaft of the lower motor through the torsion shaft 20, the threaded sleeve is in threaded connection with the circuit board cylinder 15, the torque drives the circuit board cylinder 15 to rotate, the circuit board cylinder 15 is in threaded connection with the central pressure transmission sleeve 8, the torque drives the central pressure transmission sleeve 8 to rotate, the central pressure transmission sleeve 8 is in threaded connection with the small opening sleeve 6, the torque drives the small opening sleeve 6 to rotate, the switch head 4 is embedded in the small opening sleeve 6, the switch head 4 is axially limited by the positioning claw main body 1 and can only rotate along with the small opening sleeve 6 (the small opening sleeve is flat, and the sizes of the small opening sleeve in the horizontal direction and the vertical direction are different), the switch head 4 rotates 90 degrees, the positioning claw 2 is triggered to open.
The lower circuit board 40 includes a first cpu and a first memory electrically connected to each other, the lower motor 41 is electrically connected to the first cpu, and the lower pressure sensor 38 is electrically connected to the first cpu.
Sealing mechanism includes that leather cup seat 10, leather cup press cover 11, leather cup 12, taper sleeve 13, the taper sleeve 13 of top is corresponded to the upper end of leather cup 12, and 13 upper ends of taper sleeve and long sheath 17 threaded connection, 12 lower extremes of leather cup are pressed between cover 11 by the centre gripping at leather cup seat 10, leather cup, and the connection of 10 lower extremes of leather cup seat is in the 9 upper ends of coupling sleeve, leather cup seat 10, leather cup press cover 11 all the suit at 13 outsides of taper sleeve, have the center to pass in the 13 inner chambers of taper sleeve to press cover 8 to pass, and 13 lower extreme outer walls of taper sleeve installation fixed swivel nut 32, fixed swivel nut 32 up end can be spacing to the axial of leather cup seat lower extreme terminal surface. The leather cup seat 10 and the leather cup pressing sleeve 11 are used for radially limiting the leather cup 12, the leather cup is guaranteed to be reliably sealed and unsealed and smoothly lifted down, and the long sheath 17 transmits the driving force of the motor above to push the conical sleeve 13 below to move. The central pressure transmitting sleeve 8 transmits the pressure below the cup to the lower pressure sensor 38, which compares the pressure with the pressure measured above the cup.
The sealing mechanism is separated and is set up the drive arrangement and include last motor, spiral shell piece, little spiral shell, last adapter, top cover, lead screw, go up motor and bump piece, go up torsion sleeve, last motor barrel, it installs in last motor barrel to go up the motor, go up motor output, lead screw upper end and go up torsion sleeve 27 synchronous connection simultaneously, lead screw lower extreme axial fixity is on last adapter 23, lead screw upside sets up motor and bumps piece 26, lead screw 25, last motor bump piece 26 install in last motor barrel 28 lower part recess, lead screw 25, last motor bump piece 26 and last motor barrel 28 form the lead screw nut mechanism, when going up the motor output and rotating, go up motor and bump piece 26 synchronous axial displacement, go up the motor barrel and arrange upper and lower limit switch on last motor bump piece both sides. The middle part of the screw is provided with a thrust bearing, and the thrust bearing enables an external load borne by the screw to be transmitted to the motor barrel, so that the load is prevented from acting on the upper motor, and the service life of the motor is prolonged. The lower portion of the screw rod 25 is in threaded connection with the screw block 21, the outer portion of the screw block 21 is in threaded connection with the small screw sleeve 22, the outer portion of the small screw sleeve 25 is in threaded connection with the upper end of the long sheath 17, the screw rod 25, the screw block 21 and the upper rotary joint 23 form a screw rod nut mechanism, when the screw rod 25 rotates, the screw block 21 synchronously moves along the screw rod 25, the small screw sleeve 22 and the long sheath 17 are driven to synchronously move, the long sheath 17 moves, the taper sleeve 13 is driven to synchronously move, and therefore compression and release of the leather cup are completed.
The motor collision block is arranged on the screw rod, the upper motor barrel is provided with an upper limit switch and a lower limit switch, and the upper motor collision block axially runs between the upper limit switch and the lower limit switch.
The outer wall installation thrust bearing, top cover in the middle of the lead screw, top cover upper end withstands upper thrust bearing, and top cover lower extreme top is on last adapter, and the upper rotary joint screw thread formula is connected and is protected a lower extreme inner wall at last, and upper rotary joint inner wall and lead screw outer wall are encapsulated situation.
The upper motor receives a 'forward rotation/setting' instruction, the upper motor rotates in a 'forward direction', the torque of the upper motor drives the screw rod to rotate synchronously, the upper motor collision block 26 and the screw block 21 both move downwards along the axial direction of the screw rod synchronously, the screw block 21 pushes the small screw sleeve 22, the long sheath 17 and the taper sleeve 13 to move downwards synchronously to press the leather cup 12 tightly, and the leather cup 12 rises to be tightly attached to the inner wall of the water injection well water distributor, so that the upper and lower sealing and the pressure separation of the upper and lower layers of the testing and sealing instrument of the testing and adjusting instrument are realized. When the leather cup is sealed in place, the upper motor collision block 26 just reaches the upper and lower limit switches of the upper motor barrel, the upper motor stops the action of forward rotation/setting, and at the moment, the pressure, temperature and flow sensors perform testing and data transmission. After the test is finished, the upper motor receives a 'reverse/unsealing' instruction, the upper motor rotates in a 'reverse' direction, similarly, the upper motor collision block 26, the screw block 21, the long sheath 17, the taper sleeve 13 and the like move upwards synchronously, the leather cup is gradually released to recover a free state, when the long sheath 17 approaches the lower end face of the upper protective cylinder 29, the upper motor collision block 26 just triggers an upper limit switch of the upper motor, and the upper motor stops the 'reverse/unsealing' action. The upper limit switch and the lower limit switch are reasonably arranged according to the moving distance of the taper sleeve.
The upper integrated testing device comprises a second central processing unit and a second storage, the upper motor 42 is electrically connected with the second central processing unit, the temperature sensor 35, the flow sensor 36, the magnetic positioning joint 37 and the upper pressure sensor 39 are electrically connected with the second central processing unit, the magnetic positioning joint 37 is positioned at the upper port of the upper protective barrel 29, the upper end of the magnetic positioning joint 37 is connected with an upper joint 45, the upper end of the upper motor barrel 28 is connected with the sliding needle seat 30, the upper end of the sliding needle seat 30 is connected with the compression spiral ring 31, and the upper end of the upper motor 42 is fixed by the sliding needle seat 30 and the compression spiral ring 31. The second cpu is electrically connected to the ground processor 47.
The positioning mechanism is provided with a positioning claw main body 1, a positioning hole is formed in the positioning claw main body, a positioning claw 2 is fixed in the positioning hole through a positioning pin of the positioning main body, a groove is formed in the positioning claw, a pressure spring 3 is arranged in the groove, the positioning claw can rotate around the positioning pin, and the pressure spring 3 ensures that the positioning claw cannot shake back and forth and stretch in a normal state.
The positioning mechanism is provided with a lower motor 41 in a matched manner and is positioned in a lower motor fixing barrel 19, the output torque of the motor is sequentially transmitted to the torsion shaft 20, the threaded sleeve 18, the circuit board barrel 15, the central pressure transmission sleeve 8, the small opening sleeve 6 and the switch head 4, the motor rotates in the forward direction, the switch head 4 pushes the conical surface arranged at the upper end of the positioning claw 2 to force the positioning claw 2 to rotate and open around the positioning pin, the axial positioning of the seal checking instrument is realized, otherwise, the positioning claw 2 is retracted, and the seal checking instrument can freely move along the axial direction.
Sealing mechanism includes leather cup 12, leather cup and presses cover 11 and leather cup seat 10, the leather cup seat passes through the internal thread to be fixed in adapter sleeve 9, and the leather cup is settled in leather cup seat recess, and leather cup presses the cover suit at leather cup seat heel, fixes the leather cup in the annular space that leather cup seat and leather cup pressed the cover.
The sealing mechanism is matched with an upper motor 42 which is positioned in an upper motor barrel 28, the tail part of the upper motor 42 is fixed by a sliding needle seat 30 and a pressing spiral ring 31, the output torque of the upper motor is sequentially transmitted to a screw rod 25, a spiral block 21, a long sheath 17 and a taper sleeve 13, the motor rotates in the positive direction, and the torque pushes the taper sleeve 13 to press the leather cup 12 downwards, so that the leather cup is expanded. The motor rotates reversely, the torque pulls the taper sleeve 13 to retreat upwards, and the leather cup 12 rebounds and restores to the original state.
The upper motor 42 is matched with upper and lower limit switches 48-1 and 48-2, the limit switches are fixed on the upper motor barrel 28, the upper motor collision block 26 is connected with the lead screw 25 through threads, the output shaft of the upper motor 42 rotates to drive the lead screw 25 to rotate, the upper motor collision block 26 moves along the axial direction of the lead screw, when the upper motor 42 executes a leather cup expansion sealing instruction, the upper motor 42 rotates in the forward direction, the upper motor 42 drives the lead screw 25 to rotate, the upper motor collision block 26, the screw block 21 and the taper sleeve 13 synchronously move, and when the taper sleeve 13 extrudes the leather cup 12 to the maximum deformation, the upper motor collision block just starts the lower limit switch 48-1, the upper motor 42 reverses, and the upper motor 42 rotates in the reverse direction. When the seal inspection of the seal inspection instrument is finished, the upper motor 42 starts to rotate reversely, the torque of the upper motor 42 drives the screw rod 25 to rotate reversely, the upper motor bumps the block 26, the screw block 21 and the taper sleeve 13 to retreat upwards, the leather cup 12 is restored to the original state, and the seal inspection instrument realizes unsealing. When the taper sleeve 13 retracts to the limit position, the upper motor collision block 26 is contacted with the upper limit switch 48-2, the upper motor 42 is reversed, and the upper motor 42 is rotated to the positive rotation state.
The integrated test device includes a lower circuit board 40, an upper circuit board 43, temperature, pressure, flow, magnetic position sensors, etc., powered by a ground cable 44.
The lower circuit board 40 is positioned in the circuit board barrel 15, the axial direction of the lower circuit board is fixed by the upper threaded sleeve 18, the upper threaded sleeve 18 is connected with the center pressure transmission sleeve 8 through threads, the center pressure transmission sleeve is provided with a center pressure transmission hole, the center pressure transmission hole is connected with the lower pressure sensor 38, the lower end of the center pressure transmission sleeve 8 is connected with the small opening sleeve 6, the lower threaded sleeve 32 is further sleeved outside the center pressure transmission sleeve 8, the upper end and the lower end of the small opening sleeve are provided with lateral openings, a switch head is sleeved in the small opening sleeve, the switch head and the small pressure spring are installed on the inner side of the small opening sleeve, and the large pressure spring 7 is sleeved outside the.
The lower circuit board 40 collects signals of the lower pressure sensor 38, communicates with the upper circuit board 43 in a wired or wireless manner, and transmits the collected signals to the upper circuit board 43.
The upper circuit board 43 is located at the tail part of the seal checking instrument and is axially fixed through the compression screw ring and an upper joint at the tail part of the seal checking instrument.
The upper circuit board 43 processes signals acquired by the downhole temperature, pressure, depth and flow sensors, and controls the start and stop of the lower motor 41 and the upper motor 42 and the rotation speed adjustment.
The cable 44 provides both power to the upper and lower motors and communication signals to the circuit board 43.
On the basis, the obtained data such as temperature, pressure, depth, flow and the like can be further transmitted to a ground processor 47 for processing, wherein the ground processor 47 is a notebook or an embedded controller terminal, and sends a control instruction through software to control the movement of an underground up-down motor and display the monitored data of the pressure, temperature, flow sensors and the like in real time. The surface processor 47 and the applied software for processing various data are all conventional in the art, and the processing can be performed by directly connecting with the notebook application software.
When the oil field separate layer water injection pipe column needs to be tested, the seal testing instrument of the invention is put into the oil pipe through the cable. In the process of putting in, the positioning claw and the sealing body are in a withdrawing state, the ground displays the position depth of the tester in real time, when the tester reaches the upper part of a preset water distribution layer section, the ground processor 47 sends a signal instruction, the lower motor 41 of the seal testing instrument is started, the lower motor rotates forwards to drive the screw sleeve, the circuit board barrel and the central pressure transmission sleeve to rotate, the switch head and the like are driven to rotate together to open the positioning claw, and the seal testing instrument is accurately positioned.
After the lower motor 41 stops moving, the upper motor 42 rotates forwards, the upper motor receives a forward rotation command, the upper motor drives the screw rod to rotate, the taper sleeve is pushed to move downwards to enter the leather cup, when the taper sleeve completely presses the leather cup into the leather cup sleeve and tightly presses the leather cup sleeve, the upper motor collision block 26 is contacted with the upper limit switch 48-2, the upper motor stops moving immediately, and the sealing action of the seal checking instrument is completed.
The wellhead carries out an on-off-on or off-on-off test, if the packer at the test layer section is effectively set, the pressure difference is generated between the tubing pressure and the stratum, the pressure curve shows that the tubing pressure (an upper pressure gauge) is obviously separated from the stratum pressure (a lower pressure gauge), and the test flow of the downhole flow sensor is zero; when the pressure of the tested oil pipe is zero and the flow is not zero, judging that the water distributor is blocked; otherwise, the pressure of the tested oil pipe is not zero, the flow is not zero, and the sealing failure of the packer is judged.
After the seal is tested and received in the layer, the upper motor 42 rotates reversely to drive the screw rod 25 to rotate, the screw block 21 and the taper sleeve 13 retract, the seal body cup 12 restores to the original state, the upper motor collision block 26 is in contact with the upper limit switch 48-2, the upper motor stops rotating reversely, and the seal tester is unsealed.
Then, the lower motor 41 rotates reversely to drive the torsion shaft 20, the threaded sleeve 18, the circuit board barrel 15, the central pressure transmission sleeve 8, the small opening sleeve 6, the switch head 4 and the like to rotate reversely, the positioning claw 2 is retracted, the seal checking instrument restores the axial free state, and the seal checking instrument is lifted and released by a ground wellhead cable.
And sequentially testing from bottom to top along the well bottom until the seal inspection of each layer section is completed, and withdrawing the well head cable from the ground.
In the description of the present invention, it is to be understood that the positional indications or positional relationships are based on those shown in the drawings and are for the purpose of facilitating the description of the present invention, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The intelligent seal inspection instrument for five parameters of the separate injection well is characterized by comprising a positioning mechanism, a sealing mechanism, a positioning mechanism opening and closing driving device, a sealing mechanism unsetting driving device, a lower integrated testing device and an upper integrated testing device, wherein the positioning mechanism is connected with the upper positioning mechanism opening and closing driving device through a central pressure transmission sleeve on one hand and is connected with the upper sealing mechanism through a connecting sleeve on the other hand, the sealing mechanism is connected with the upper sealing mechanism unsetting driving device through a taper sleeve and a long sheath, the positioning mechanism opening and closing driving device is electrically connected with the lower integrated testing device and is arranged in a middle sheath, the middle sheath is arranged in the long sheath, the sealing mechanism unsetting driving device is electrically connected with the upper integrated testing device and is arranged in an upper protective sleeve, a temperature sensor is further arranged in the upper protective sleeve, and a temperature sensor is further arranged in the lower protective sleeve, Flow sensor, magnetism positioning joint, go up pressure sensor, the center passes the inside pressure sensor that sets up in pressure sleeve upper end, temperature sensor, flow sensor, magnetism positioning joint, go up pressure sensor all are connected with last integrated testing device electricity, pressure sensor and lower integrated testing device down, integrated testing device is connected with last integrated testing device electricity down.
2. The intelligent five-parameter seal inspection instrument for the separate injection well according to claim 1, wherein the positioning mechanism comprises a positioning claw main body, a positioning claw, a pre-tightening pressure spring, a switch head, a small pressure spring, a small opening sleeve, a large pressure spring, a central pressure transmission sleeve and a connecting sleeve, the positioning claw is divided into a left claw and a right claw, two adjacent surfaces of the left claw and the right claw are provided with grooves, the pre-tightening pressure spring is arranged between the two grooves, the upper end of the left claw and the upper end of the right claw are both hinged on the positioning claw main body through respective positioning pins, the positioning claw main body is provided with a radial open cavity for accommodating the positioning claw, the lower end of the switch head is simultaneously pressed against inclined planes arranged at the upper end of the left claw and the upper end of the right claw, the upper end of the positioning claw main body is in threaded connection with the connecting sleeve, the switch head is in a flat structure and is fixed in the small opening sleeve, and the, the upper end of the central pressure transmission sleeve is in threaded connection with the circuit board barrel, a small pressure spring and a large pressure spring are respectively arranged inside and outside the small opening sleeve, the upper end of the small pressure spring abuts against the lower end face of the inner wall of the small opening sleeve, the lower end of the small pressure spring abuts against the upper end face of the switch head, the upper end of the large pressure spring abuts against a limiting table in the connecting sleeve, and the lower end face abuts against a limiting step face of the outer wall of the small opening sleeve; the big and small pressure springs axially and upwardly centralize the small opening sleeve on one hand, and enable the connecting sleeve, the small opening sleeve and the switch head to be tightly connected on the other hand, and the switch head and the lower motor synchronously rotate in the torque transmission process of the lower motor.
3. The intelligent five-parameter seal inspection instrument for the separate injection well according to claim 1 or 2, wherein the positioning mechanism start/stop driving device comprises a lower motor, a threaded sleeve, a lower motor fixing cylinder and a torsion shaft, the lower motor is installed in the lower motor fixing cylinder, the lower motor fixing cylinder is installed in a middle sheath, the output end of the lower motor is sequentially connected with the torsion shaft, the threaded sleeve, a circuit board cylinder, a central pressure transmission sleeve and a small opening sleeve, and is sequentially in threaded connection, the lower integrated testing device comprises a lower circuit board, the lower circuit board is arranged in the circuit board cylinder, the upper end of the central pressure transmission sleeve is hermetically arranged inside the connector, the upper end of the connector is connected with the circuit board cylinder, the circuit board cylinder is installed in the middle sheath, and a lower thrust bearing is installed between the middle sheath and the lower motor fixing cylinder.
4. The intelligent seal inspection instrument for five parameters of a separate injection well according to claim 3, wherein the lower circuit board comprises a first central processing unit and a first memory which are electrically connected, the lower motor is electrically connected with the first central processing unit, and the lower pressure sensor is electrically connected with the first central processing unit.
5. The intelligent five-parameter seal inspection instrument for the separate injection well according to claim 1 or 2, wherein the sealing mechanism comprises a leather cup seat, a leather cup pressing sleeve, a leather cup and a taper sleeve, an upper port of the leather cup corresponds to the taper sleeve above, the upper end of the taper sleeve is in threaded connection with the long sheath, the lower end of the leather cup is clamped between the leather cup seat and the leather cup pressing sleeve, the lower end of the leather cup seat is connected to the upper end of the connecting sleeve, the leather cup seat and the leather cup pressing sleeve are both sleeved outside the taper sleeve, a central pressure transmission sleeve passes through an inner cavity of the taper sleeve, a fixed screw sleeve is installed on the outer wall of the lower end of the taper sleeve, and the upper end face of the fixed screw sleeve can axially limit the lower end face of the leather.
6. The intelligent five-parameter seal inspection instrument for the dispensing well according to claim 5, wherein the seal mechanism unsetting driving device comprises an upper motor, a screw block, a small screw sleeve, an upper rotating joint, a top sleeve, a screw rod, an upper motor collision block, an upper torsion sleeve and an upper motor barrel, wherein the upper motor is installed in the upper motor barrel, the output end of the upper motor and the upper end of the screw rod are synchronously connected with the upper torsion sleeve, the lower end of the screw rod is axially fixed on the upper adapter, the upper motor collision block is arranged on the upper side of the screw rod, the screw rod and the upper motor collision block are installed in a groove on the lower part of the upper motor barrel, the screw rod, the upper motor collision block and the upper motor barrel form a screw rod nut mechanism, the upper motor collision block synchronously and axially move when the output end of the upper motor rotates, and the upper motor barrel; the thrust bearing is arranged in the middle of the screw rod, and the thrust bearing enables an external load borne by the screw rod to be transferred to the motor barrel, so that the load is prevented from acting on the upper motor, and the service life of the motor is prolonged; the lower portion of the screw rod is in threaded connection with the screw block, the outside of the screw block is in threaded connection with the small screw sleeve, the outside of the small screw sleeve is in threaded connection with the upper end of the long sheath, the screw rod, the screw block and the upper rotating joint form a screw rod nut mechanism, when the screw rod rotates, the screw block synchronously moves along the screw rod to drive the small screw sleeve and the long sheath to synchronously move, the long sheath moves to drive the taper sleeve to synchronously move, and then compression and release of the leather cup are completed.
7. The intelligent five-parameter seal inspection instrument for the separate injection well according to claim 6, wherein the upper integrated testing device is electrically connected with a second central processing unit and a second memory, the upper motor is electrically connected with the second central processing unit, the temperature sensor, the flow sensor, the magnetic positioning connector and the upper pressure sensor are electrically connected with the second central processing unit, the magnetic positioning connector is positioned at an upper port of the upper protective barrel, the upper end of the magnetic positioning connector is connected with the upper connector, the upper end of the upper motor barrel is connected with the sliding needle seat, the upper end of the sliding needle seat is connected with the compression spiral ring, and the upper end of the upper motor is fixed by the sliding needle seat and the compression spiral ring.
8. The five parameter intelligent seal inspection instrument of a separate injection well according to claim 7, wherein the second central processing unit is electrically connected with a ground processor.
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050268709A1 (en) * | 2004-05-21 | 2005-12-08 | Halliburton Energy Services, Inc. | Methods for using a formation tester |
| CN101165314A (en) * | 2006-10-18 | 2008-04-23 | 杨朝杰 | Intelligent seal-testing flow-measuring and adjusting device and method |
| CN101403297A (en) * | 2008-10-23 | 2009-04-08 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Direct-reading type oil well delamination pressure gauge |
| CN102635340A (en) * | 2012-03-05 | 2012-08-15 | 中国石油天然气股份有限公司 | Novel efficient testing and adjusting process adopting optical fiber cable |
| CN102996115A (en) * | 2012-11-28 | 2013-03-27 | 西安思坦仪器股份有限公司 | Direct-reading examining seal instrument suitable for eccentric water distributor |
| CN103114841A (en) * | 2013-02-01 | 2013-05-22 | 中国石油天然气股份有限公司 | Bridge type concentric direct-reading measuring and adjusting instrument |
| CN103147742A (en) * | 2013-02-04 | 2013-06-12 | 西安思坦仪器股份有限公司 | Direct-reading type seal checking instrument suitable for concentric adjustable water distributor |
| CN103225503A (en) * | 2013-04-02 | 2013-07-31 | 中国石油天然气股份有限公司 | High-pressure seal checking instrument for separate-layer water injection |
| CN203239329U (en) * | 2013-04-02 | 2013-10-16 | 中国石油天然气股份有限公司 | High-pressure seal checking instrument for separate-layer water injection |
| CN203239327U (en) * | 2013-03-07 | 2013-10-16 | 中国石油天然气股份有限公司 | Seal inspection instrument for layered water injection well |
| CN103696759A (en) * | 2012-09-28 | 2014-04-02 | 中国石油天然气股份有限公司 | Electric direct-reading test seal-checking tool |
| CN104747175A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Layered seal testing instrument |
| CN104879117A (en) * | 2015-06-04 | 2015-09-02 | 中国石油天然气股份有限公司 | Electric seal testing method for bridge type concentric separate injection pipe column |
| CN105156093A (en) * | 2015-07-14 | 2015-12-16 | 中国石油天然气股份有限公司 | Bridge type concentric testing, adjusting, testing and sealing integrated testing instrument |
| CN105422062A (en) * | 2015-12-21 | 2016-03-23 | 中国石油天然气股份有限公司 | Bridge type concentric integrated seal-testing single-layer direct-measurement adjusting instrument |
| CN105649611A (en) * | 2016-02-26 | 2016-06-08 | 中国石油天然气股份有限公司 | Concentric electric layered pressure drop testing instrument and testing method thereof |
| CN205532587U (en) * | 2016-03-31 | 2016-08-31 | 中国石油天然气股份有限公司 | Hydraulic high-pressure measuring device |
| CN209277867U (en) * | 2018-09-07 | 2019-08-20 | 中国石油化工股份有限公司 | A kind of five parameter intelligent seal-checking instrument of dispensing well |
-
2018
- 2018-09-07 CN CN201811048861.1A patent/CN110886603B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050268709A1 (en) * | 2004-05-21 | 2005-12-08 | Halliburton Energy Services, Inc. | Methods for using a formation tester |
| CN101165314A (en) * | 2006-10-18 | 2008-04-23 | 杨朝杰 | Intelligent seal-testing flow-measuring and adjusting device and method |
| CN101403297A (en) * | 2008-10-23 | 2009-04-08 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Direct-reading type oil well delamination pressure gauge |
| CN102635340A (en) * | 2012-03-05 | 2012-08-15 | 中国石油天然气股份有限公司 | Novel efficient testing and adjusting process adopting optical fiber cable |
| CN103696759A (en) * | 2012-09-28 | 2014-04-02 | 中国石油天然气股份有限公司 | Electric direct-reading test seal-checking tool |
| CN102996115A (en) * | 2012-11-28 | 2013-03-27 | 西安思坦仪器股份有限公司 | Direct-reading examining seal instrument suitable for eccentric water distributor |
| CN103114841A (en) * | 2013-02-01 | 2013-05-22 | 中国石油天然气股份有限公司 | Bridge type concentric direct-reading measuring and adjusting instrument |
| CN103147742A (en) * | 2013-02-04 | 2013-06-12 | 西安思坦仪器股份有限公司 | Direct-reading type seal checking instrument suitable for concentric adjustable water distributor |
| CN203239327U (en) * | 2013-03-07 | 2013-10-16 | 中国石油天然气股份有限公司 | Seal inspection instrument for layered water injection well |
| CN203239329U (en) * | 2013-04-02 | 2013-10-16 | 中国石油天然气股份有限公司 | High-pressure seal checking instrument for separate-layer water injection |
| CN103225503A (en) * | 2013-04-02 | 2013-07-31 | 中国石油天然气股份有限公司 | High-pressure seal checking instrument for separate-layer water injection |
| CN104747175A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Layered seal testing instrument |
| CN104879117A (en) * | 2015-06-04 | 2015-09-02 | 中国石油天然气股份有限公司 | Electric seal testing method for bridge type concentric separate injection pipe column |
| CN105156093A (en) * | 2015-07-14 | 2015-12-16 | 中国石油天然气股份有限公司 | Bridge type concentric testing, adjusting, testing and sealing integrated testing instrument |
| CN105422062A (en) * | 2015-12-21 | 2016-03-23 | 中国石油天然气股份有限公司 | Bridge type concentric integrated seal-testing single-layer direct-measurement adjusting instrument |
| CN105649611A (en) * | 2016-02-26 | 2016-06-08 | 中国石油天然气股份有限公司 | Concentric electric layered pressure drop testing instrument and testing method thereof |
| CN205532587U (en) * | 2016-03-31 | 2016-08-31 | 中国石油天然气股份有限公司 | Hydraulic high-pressure measuring device |
| CN209277867U (en) * | 2018-09-07 | 2019-08-20 | 中国石油化工股份有限公司 | A kind of five parameter intelligent seal-checking instrument of dispensing well |
Non-Patent Citations (6)
| Title |
|---|
| 何能欣;谢富刚;石博士;: "自动控制测调分注工艺技术研究与应用", 化学工程与装备, no. 07, pages 39 - 41 * |
| 刘红兰;: "分层注水井测调一体化新技术", 石油钻探技术, no. 01, pages 87 - 93 * |
| 宋祖厂;刘扬;盖旭波;赖学明;李巧伟;窦守进;张乐;: "井下分注管柱电动验封技术研究与应用", 石油机械, no. 11, pages 118 - 121 * |
| 宋祖厂;刘扬;盖旭波;赖学明;李树林;刘虎旭;: "桥式同心分注管柱电动验封技术研究及应用", 石油地质与工程, no. 06, pages 142 - 143 * |
| 方志刚;刘颖;周波;孙冰恒;单慧玲;李兵波;: "分层注水井封隔器验封新技术研究与应用", 油气井测试, no. 02, pages 64 - 66 * |
| 王玉玲;: "小直径直读电动验封仪的研制及应用", 石油管材与仪器, no. 04, pages 14 - 17 * |
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