CN202810784U - Underground intelligent switch device - Google Patents
Underground intelligent switch device Download PDFInfo
- Publication number
- CN202810784U CN202810784U CN 201220380576 CN201220380576U CN202810784U CN 202810784 U CN202810784 U CN 202810784U CN 201220380576 CN201220380576 CN 201220380576 CN 201220380576 U CN201220380576 U CN 201220380576U CN 202810784 U CN202810784 U CN 202810784U
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- liquid passage
- oil
- fuel feed
- feed hole
- shutoff
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Abstract
The utility model discloses an underground intelligent switch device which comprises an oil extraction pipe. The oil extraction pipe is provided with an oil inlet hole, a main channel and a liquid passing channel, the main channel and the liquid passing channel both extend along the vertical direction, an oil outlet for being communicated with a cavity of the main channel is arranged at the lower end of the liquid passing channel, the oil inlet hole is located above the oil outlet, a switch for controlling the oil inlet hole and the liquid passing channel to be connected and disconnected is a plugging switch, and a switch for controlling the main channel and the liquid passing channel to be connected and disconnected is a check valve. Ground liquid pushes a plugging valve plug from top to bottom to directly enter the main channel, impurities of the ground liquid left in the liquid passing channel can be deposited on the plugging valve plug when the plugging switch enables the liquid passing channel to be separated, the impurities of the ground liquid entering the liquid passing channel can be crushed into the main channel from the plugging valve plug when the plugging switch moves to enable the oil inlet hole and the liquid passing channel to be connected, and influences on regular work of the intelligent switch caused by plugging of deposited impurities on the intelligent switch can be avoided.
Description
Technical field
The utility model belongs to oilfield exploitation downhole tool technical field, is specifically related to a kind of DH intellectual contactor.
Background technology
The oil field enters the high water-cut development later stage, and interlayer contradiction becomes increasingly conspicuous, because interlayer interference, high pressure zone production fluid amount is large, suppresses simultaneously low pressure layer liquid-producing capacity, causes the oil well recovery ratio low; A large amount of formation waters is disabled extraction simultaneously, subsequent treatment, re-injection cost height.How to find out and the shutoff high aquifer formation, the low aquifer of exploitation reduces cost for oil production; Realizing simultaneously the alternately exploitation of high pressure zone and low pressure layer, improve the vertically upper total development degree of oil well, is the technical barrier that latter period of oilfield development faces.
The method of a kind of oil well intelligent zonal testing and exploitation in being the Chinese invention patent application Publication Specification of CN101250987A, publication number is disclosed, adopted a kind of intelligent switch device to realize middle oil reservoir and upper in the method, the break-make of lower floor, this intelligent switch device is an instrument pipe nipple, be connected with oil pipe up and down, be provided with a layer position oil recovery passage on body and its, the bridge entire body thread connection of the logical oil recovery passage of levels bit string, be provided with the transition conduit that connects the oil recovery passage for connectivity layer position oil recovery passage and levels bit string in the bridge entire body, connection transition conduit inner chamber is offered on the top of transition conduit and levels is the discharge orifice of serial connection oil recovery passage, its underpart offers the pod apertures that is communicated with the transition conduit inner chamber, order is installed battery from top to bottom in transition conduit, sensor, microprocessor, driving mechanism, connecting rod, the shutoff switch, sealing ring, one way valve and micro pressure tester, described pod apertures is between one way valve and micro pressure tester, and described shutoff switch is realized the break-make control to discharge orifice under the control of driving mechanism and connecting rod.The bridge entire body is provided with layer position oil recovery passage and a levels bit string circulation passage, and inside also is designed with one way valve, and liquid is through in one way valve and the discharge orifice suction oil pipe, and liquid can not enter oil reservoir in the time of can guaranteeing that ground is suppressed, and can not damage oil reservoir.Connecting rod is connected with driving mechanism with the shutoff switch respectively, moves to open and close the shutoff switch by the driving mechanism drivening rod.During use, the mode that sends telecommand by ground realizes the switch motion of DH intellectual contactor flexibly, finishes the opening and closing to layer position, thereby finishes layering water detection, water blockoff and production, test process.
But above-mentioned intelligent switch device in use, enter the impurity of transition conduit easily in the bottom of transition conduit deposition by layer position oil recovery passage, can stop up pod apertures when deposition is comparatively serious, thereby affect the normal use of intelligent switch device, and this Impurity deposition also is not easy cleaning, need to trip out flow string during cleaning, additionally increase security risk and installation cost, the field of above-mentioned intelligent switch device is restricted.In addition, the bridge entire body with transition conduit is positioned at the central authorities of derailing switch, can't satisfy like this technological requirement that is lowered to instrument or instrument in the derailing switch tubing string.
The utility model content
The purpose of this utility model is to provide a kind of DH intellectual contactor, and the impurity when recovering the oil in the prior art to solve in the oil deposits obstruction easily and affects the normal technical problem of using of intelligent switch device in the intelligent switch device.
For achieving the above object, DH intellectual contactor provided by the utility model adopts following technical scheme: a kind of DH intellectual contactor, comprise the oil extraction pipeline that extends along the vertical direction, has the fuel feed hole for oil reservoir in the middle of being communicated with on the oil extraction pipeline, have for the main channel that is communicated with oil pipe up and down in the oil extraction pipeline and be used for being communicated with fuel feed hole and main channel cross the liquid passage, be provided with in the oil extraction pipeline for controlling respectively main channel and excessively liquid passage break-make and fuel feed hole and excessively two switches of liquid passage break-make, described main channel and excessively all along the vertical direction extensions of liquid passage, the lower end of crossing the liquid passage has the oil-out that is communicated with for the main channel inner chamber, described fuel feed hole is positioned at the oil-out top, described control fuel feed hole is the shutoff switch with the switch of crossing liquid passage break-make, this shutoff switch comprises motor, motor is connected with to reciprocatingly slide by transmission mechanism and was assemblied in being used for shutoff or opening the shutoff bar of described fuel feed hole in the liquid passage, described control main channel and the switch of crossing liquid passage break-make are one way valve, and this one way valve comprises the shutoff spool that is used for the stifled oil-out of top press seal that is positioned at described oil-out below and drives the shutoff valve core reset with the back-moving spring of shutoff oil-out.
Described oil extraction pipeline comprises the pipeline body that extends along the vertical direction and is threaded in the up and down upper and lower joint at two ends of pipeline body, transition junction at pipeline body and described upper and lower joint is equipped with sealing ring, the described liquid passage of crossing is located in the pipeline body, be provided with the along the vertical direction central passage of the both ends open of extension in crossing liquid passage one side in pipeline body, this central passage and upper and lower joint form described main channel.
Described one way valve comprises that also thread connection is at the return spring holder at described central passage lower ending opening place, this return spring holder comprises that thread connection is connected in support platform on the union in the union on the central passage and one, and the lower end of described back-moving spring is sitting on the described support platform; Described shutoff spool is valve ball, the bottom end opening place of crossing the liquid passage has the conical seal (contact) face for the interference fit of corresponding top with valve ball, be fitted with the location valve seat in the upper end of back-moving spring, the location valve seat is provided with and the annular step tread thrust top interference fit of back-moving spring upper end down, is concaved with the taper positioning through hole with the interference fit of valve ball top in the upper surface of location valve seat.
Described shutoff switch also comprises be used to pressure sensor and the microprocessor of monitoring described main channel pressure signal, pressure sensor is connected with the signal input part of microprocessor, microprocessor is connected with described Electric Machine Control, revolve till the described shutoff bar and be slidedly assemblied in the described nut piston of crossing in the liquid passage, described transmission mechanism comprises the rotary screw that extends along the vertical direction that is in transmission connection with motor output shaft, the nut piston screw-casing is contained on the rotary screw and by the rotary screw driving and moves back and forth along the vertical direction, on the outer peripheral face of nut piston, be furnished with successively vertically the upper hermetically-sealed construction and the lower seal structure that cooperate with the vias inner walls slipper seal of crossing the liquid passage, on, the lower seal structure is the sealing ring that is embedded on the nut piston outer peripheral face, nut piston be moved downward to described fuel feed hole be positioned at described on, in the time of between the lower seal structure described fuel feed hole with cross the liquid passage and disconnect, described fuel feed hole and described mistake liquid channel connection when nut piston is moved upward to described fuel feed hole and is positioned at below the described nut piston.
Described nut piston and cross the liquid passage and realize that it only revolves and be slidingly matched by the guiding mechanism that only revolves that is arranged between the two, described only revolve guiding mechanism comprise extending along the vertical direction of being arranged with on the nut piston outer peripheral face only revolve gathering sill and cross be convexly equipped with in the liquid passage with only revolve the gathering sill inserting only revolve guide finger.
Be concaved with on the vias inner walls of the described corresponding described fuel feed hole position of crossing the liquid passage and be connected in series the dilatation buffering annular groove that is communicated with fuel feed hole, this dilatation buffering annular groove is when nut piston is moved downward to described fuel feed hole and crosses the position that the liquid passage disconnects and the outer peripheral face formation dilatation cushion chamber of nut piston.
The beneficial effects of the utility model are: downhole intelligent device provided by the utility model in use, in oil recovery and water detection process, the shutoff switch is controlled fuel feed hole and is crossed the liquid channel connection, liquid in the middle oil reservoir entered the liquid passage from fuel feed hole, entered and backed down the shutoff spool after stratum liquid in the liquid passage overcomes the effect of back-moving spring, stratum liquid enters the main channel from the oil-out of crossing the liquid passage, finishes and recovers the oil and water detection.In the water blockoff process, suppress by ground, the shutoff switch is with fuel feed hole and cross the disconnection of liquid passage, middle oil reservoir and main channel cut off, in suppressing process, shutoff spool top press seal got lodged in the oil-out place, lower end of liquid passage, and the liquid in the main channel can not enter in the liquid passage, in the oil reservoir, do not avoid polluting middle oil reservoir in the middle of can not entering through the liquid passage yet.Because directly enter in the main channel behind the stratum liquid stifled spool in pushing tow Kaifeng from top to bottom, when the shutoff switch cut off the liquid passage, the impurity of crossing the stratum liquid that retains in the liquid passage can be deposited on the shutoff spool, in the shutoff switch motion so that fuel feed hole when crossing the conducting of liquid passage, the formation fluid that entered in the liquid passage is known from experience impurity is entered the main channel from shutoff spool upper punch, and the impurity of avoiding accumulating stops up the intelligent switch device and affects the normal operation of intelligent switch device.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of DH intellectual contactor provided by the utility model.
The specific embodiment
As shown in Figure 1, a kind of embodiment of DH intellectual contactor, DH intellectual contactor among this embodiment comprises the oil extraction pipeline that extends along the vertical direction, oil extraction pipeline be provided with for the main channel 100 that is communicated with oil pipe up and down and in the middle of being used for being communicated with oil reservoir and main channel cross liquid passage 200, main channel 100 and excessively all along the vertical direction extensions of liquid passage 200, duct wall at oil extraction pipeline offers the fuel feed hole 10 that is communicated with for middle oil reservoir, cross liquid passage 200 lower ends and have the oil-out that is communicated with for the main channel inner chamber, fuel feed hole is positioned at the oil-out top, in oil extraction pipeline, be provided with for controlling respectively main channel and excessively liquid passage break-make and fuel feed hole and excessively two switches of liquid passage break-make, the control fuel feed hole is shutoff switch 300 with the switch of crossing liquid passage break-make, this shutoff switch comprises motor, and motor is connected with the sealing that reciprocatingly slides by transmission mechanism and was assemblied in being used for shutoff or opening the shutoff bar of described fuel feed hole in the liquid passage.Control main channel and the switch of crossing liquid passage break-make are one way valve 400, and this one way valve comprises the shutoff spool that is used for the stifled oil-out of top press seal that is positioned at described oil-out below and drives the shutoff valve core reset with the back-moving spring of shutoff oil-out.
Oil extraction pipeline in the present embodiment is comprised of the pipeline body 9 that extends along the vertical direction and the top connection 1 and the lower contact 17 that are threaded in pipeline body two ends about in the of 9, on, lower contact is respectively applied in use with upper, lower oil pipe docking, in pipeline body 9 and described top connection 1, the transition junction of lower contact 17 is equipped with sealing ring, be provided with the central passage 18 and the excessively liquid passage 200 that is positioned at central passage one side of the both ends open that extends along the vertical direction at pipeline body 9, described central passage 18 forms described main channel 100 with the inner chamber of top connection 1 and lower contact 17.
In the present embodiment, pipeline body 9 comprises with upper, the cylindrical connector 91 that lower contact is threaded, upper at cylindrical connector 91, be respectively equipped with the connection screw thread on the outer peripheral face of lower end, on column type connector 91, offer vertically central through hole and side through hole, wherein, the diameter of central through hole is larger than the diameter of side through hole, side through hole herein was liquid passage 200, described fuel feed hole 10 is opened on the cylindrical connector 91, the one that makes progress in the upper surface of cylindrical connector 91 is extended with the supporting pipeline 92 that is inserted in the top connection 1, central through hole coaxial arrangement on this supporting pipeline 92 and the described column type connector 91, the external diameter of supporting pipeline 92 is less than the external diameter of column type connector 91, central through hole on this supporting pipeline 92 and the cylindrical connector 91 consists of described central passage 18, be installed with pushing tow on the top of supporting pipeline 92 at the pushing tow flange of top connection 1, be embedded with sealing ring in the upper surface of pushing tow flange.In the present embodiment, in oil extraction pipeline, consisted of the installing space of a sealing by the column type connector 91 on the pipeline body 9, supporting pipeline 92 and top connection 1, the shutoff switch 300 of Based Intelligent Control is installed, shutoff switch 300 control fuel feed holes and the break-make of crossing the liquid passage above the side through hole on the described cylindrical connector in this installing space.Shutoff switch 300 is by the pressure sensor 2 that is used for monitoring described central passage pressure signal in the installing space that is arranged in successively from top to bottom sealing, battery pack 3, microprocessor 4, motor 5, the rotary screw 6 and the nut piston 8 that extend along the vertical direction form, wherein, pressure sensor 2 is connected with the signal input part of microprocessor 4, microprocessor 4 and motor 5 control connections, the output shaft of motor 5 is connected with rotary screw 6 coaxial transmissions, nut piston 8 screw-casings are contained on the rotary screw 6 and by rotary screw 6 drivings and move back and forth along the vertical direction, nut piston 8 only revolves and is slidedly assemblied in described the mistake in the liquid passage 200, on the outer peripheral face of nut piston 8, be furnished with successively vertically the upper hermetically-sealed construction 81 and the lower seal structure 82 that cooperate with the vias inner walls slipper seal of crossing the liquid passage, upper hermetically-sealed construction 81 herein also is used for realizing liquid passage and described for the exclusion seal between the installing space of installation shutoff switch, on described, the lower seal structure is the sealing ring that is embedded on the nut piston outer peripheral face, the oil-out that nut piston 8 is moved downward to described fuel feed hole 10 be positioned at described on, cut off described fuel feed hole 10 in the time of between the lower seal structure and spend being communicated with of liquid passage 200, keep described fuel feed hole 10 in the time of below its oil-out that is moved upward to described fuel feed hole 10 is positioned at described nut piston 8 and spend being communicated with of liquid passage 200.Herein, at described nut piston 8 with cross to be provided with between the liquid passage 200 and only revolve guiding mechanism, this only revolve guiding mechanism comprise extending along the vertical direction of being arranged with on the nut piston outer peripheral face only revolve gathering sill and cross be convexly equipped with in the liquid passage with only revolve the gathering sill inserting only revolve guide finger 7.
The pressure of the stratum liquid in the liquid passage is excessive to impact upper and lower hermetically-sealed construction in order to prevent from entering by fuel feed hole, vias inner walls in the oil-out position of the described corresponding fuel feed hole of crossing the liquid passage is concaved with and is connected in series the dilatation buffering annular groove 120 of connection, and this dilatation buffering annular groove 120 is moved downward to when cutting off described fuel feed hole with the position that is communicated with of crossing the liquid passage and the outer peripheral face formation dilatation cushion chamber of nut piston 8 at nut piston 8.
One way valve 400 in the present embodiment comprise thread connection at the return spring holder 16 at described central passage 18 lower ending opening places, be positioned at the shutoff spool that is used for the stifled oil-out of top press seal below the described oil-out and drive the shutoff valve core reset with the back-moving spring 15 of shutoff oil-out.Described return spring holder 16 comprises that thread connection is connected in support platform on the union in the union on the central passage and one, the lower end of described back-moving spring 15 is sitting on the described support platform, described shutoff spool is valve ball 13, be fitted with location valve seat 14 in the upper end of back-moving spring 15, location valve seat 14 is provided with and the annular step tread thrust top interference fit of back-moving spring upper end down, be concaved with the taper positioning through hole with the interference fit of valve ball top in the upper surface of location valve seat, this taper positioning through hole comprises being used for and the taper hole section of valve ball top interference fit and the straight hole section that is communicated with the conical section transition of top, and the lower end of the straight hole section of this taper positioning through hole directly is connected with main channel 100.
The downhole intelligent device that provides in above-described embodiment in use, in oil recovery and water detection process, when moving to the top of fuel feed hole 10 of pipeline body 9 on the nut piston 8 in the shutoff switch 300 of Based Intelligent Control, fuel feed hole 10 and 200 conductings of described excessively liquid passage, the fuel feed hole 10 of stratum liquid from pipeline body 9 in the middle oil reservoir entered the liquid passage 200 and the valve ball 13 in one way valve 400 applies active force, back-moving spring 15 is subjected to force compresses, valve ball 13, location valve seat 14 moves down along with the compression of back-moving spring 15, valve ball 13 left the oil-out of liquid passage 200, one way valve 400 is opened, and stratum liquid enters in the main channel 100.
In the water blockoff process, suppress by ground, pressure sensor 2 is transferred to microprocessor 4 with the pressure signal that monitors, microprocessor 4 is according to the voltage-controlled encoding ratio subtend motor 5 output control signals that set in advance, motor 5 drives rotary screw 6 and rotates, rotary screw 6 drive nut pistons 8 move down, and when nut piston 8 was moved downward between the upper and lower hermetically-sealed construction of described fuel feed hole 10 on described nut piston 8, shutoff switch 300 cut off fuel feed hole 10 and crosses liquid passage 200.
In suppressing process, under back-moving spring 15 effects, valve ball 13 pushes up the oil-out place that was pressed in liquid passage 200 again, and the liquid in the main channel 100 can not enter in the liquid passage 200 like this, can not enter in the middle oil reservoir oil reservoir in the middle of avoiding polluting by crossing liquid passage 200 yet.
In the intelligent switch device that above-described embodiment provides, be provided with central passage, this central passage general diameter is larger, flow in oil extraction pipeline except being convenient to liquid like this, also satisfy in oil extraction pipeline and descend the technological requirements such as instrument, lower instrument, can clear up the vias inner walls in the intelligent switch device like this, can also realize the zonal testing to each oil reservoir.
The structure of the shutoff switch in above-described embodiment can adopt structure of the prior art, as long as can realize the break-make control of liquid passage.
One way valve in above-described embodiment also can adopt the structure of one way valve of the prior art, as long as can realize the downward unidirectional unlatching of shutoff spool.
Claims (6)
1. DH intellectual contactor, comprise the oil extraction pipeline that extends along the vertical direction, has the fuel feed hole for oil reservoir in the middle of being communicated with on the oil extraction pipeline, have for the main channel that is communicated with oil pipe up and down in the oil extraction pipeline and be used for being communicated with fuel feed hole and main channel cross the liquid passage, be provided with in the oil extraction pipeline for controlling respectively main channel and excessively liquid passage break-make and fuel feed hole and excessively two switches of liquid passage break-make, it is characterized in that: described main channel and excessively all along the vertical direction extensions of liquid passage, the lower end of crossing the liquid passage has the oil-out that is communicated with for the main channel inner chamber, described fuel feed hole is positioned at the oil-out top, described control fuel feed hole is the shutoff switch with the switch of crossing liquid passage break-make, this shutoff switch comprises motor, motor is connected with the sealing that reciprocatingly slides by transmission mechanism and was assemblied in being used for shutoff or opening the shutoff bar of described fuel feed hole in the liquid passage, described control main channel and the switch of crossing liquid passage break-make are one way valve, and this one way valve comprises the shutoff spool that is used for the stifled oil-out of top press seal that is positioned at described oil-out below and drives the shutoff valve core reset with the back-moving spring of shutoff oil-out.
2. DH intellectual contactor according to claim 1, it is characterized in that: described oil extraction pipeline comprises the pipeline body that extends along the vertical direction and is threaded in the up and down upper and lower joint at two ends of pipeline body, transition junction at pipeline body and described upper and lower joint is equipped with sealing ring, the described liquid passage of crossing is located in the pipeline body, be provided with the along the vertical direction central passage of the both ends open of extension in crossing liquid passage one side in pipeline body, this central passage and upper and lower joint form described main channel.
3. DH intellectual contactor according to claim 2, it is characterized in that: described one way valve comprises that also thread connection is at the return spring holder at described central passage lower ending opening place, this return spring holder comprises that thread connection is connected in support platform on the union in the union on the central passage and one, and the lower end of described back-moving spring is sitting on the described support platform; Described shutoff spool is valve ball, the bottom end opening place of crossing the liquid passage has the conical seal (contact) face for the interference fit of corresponding top with valve ball, be fitted with the location valve seat in the upper end of back-moving spring, the location valve seat is provided with and the annular step tread thrust top interference fit of back-moving spring upper end down, is concaved with the taper positioning through hole with the interference fit of valve ball top in the upper surface of location valve seat.
4. according to claim 1 and 2 or 3 described DH intellectual contactors, it is characterized in that: described shutoff switch also comprises be used to pressure sensor and the microprocessor of monitoring described main channel pressure signal, pressure sensor is connected with the signal input part of microprocessor, microprocessor is connected with described Electric Machine Control, revolve till the described shutoff bar and be slidedly assemblied in the described nut piston of crossing in the liquid passage, described transmission mechanism comprises the rotary screw that extends along the vertical direction that is in transmission connection with motor output shaft, the nut piston screw-casing is contained on the rotary screw and by the rotary screw driving and moves back and forth along the vertical direction, on the outer peripheral face of nut piston, be furnished with successively vertically the upper hermetically-sealed construction and the lower seal structure that cooperate with the vias inner walls slipper seal of crossing the liquid passage, on, the lower seal structure is the sealing ring that is embedded on the nut piston outer peripheral face, nut piston be moved downward to described fuel feed hole be positioned at described on, in the time of between the lower seal structure described fuel feed hole with cross the liquid passage and disconnect, described fuel feed hole and described mistake liquid channel connection when nut piston is moved upward to described fuel feed hole and is positioned at below the described nut piston.
5. DH intellectual contactor according to claim 4, it is characterized in that: described nut piston and cross the liquid passage and realize that it only revolves and be slidingly matched by the guiding mechanism that only revolves that is arranged between the two, described only revolve guiding mechanism comprise extending along the vertical direction of being arranged with on the nut piston outer peripheral face only revolve gathering sill and cross be convexly equipped with in the liquid passage with only revolve the gathering sill inserting only revolve guide finger.
6. DH intellectual contactor according to claim 5, it is characterized in that: be concaved with on the vias inner walls of the described corresponding described fuel feed hole position of crossing the liquid passage and be connected in series the dilatation buffering annular groove that is communicated with fuel feed hole, this dilatation buffering annular groove is when nut piston is moved downward to described fuel feed hole and crosses the position that the liquid passage disconnects and the outer peripheral face formation dilatation cushion chamber of nut piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220380576 CN202810784U (en) | 2012-08-02 | 2012-08-02 | Underground intelligent switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220380576 CN202810784U (en) | 2012-08-02 | 2012-08-02 | Underground intelligent switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202810784U true CN202810784U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220380576 Expired - Lifetime CN202810784U (en) | 2012-08-02 | 2012-08-02 | Underground intelligent switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202810784U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926722A (en) * | 2012-10-29 | 2013-02-13 | 中国石油化工股份有限公司 | Layering oil production system |
| CN104100228A (en) * | 2013-04-03 | 2014-10-15 | 中国石油天然气股份有限公司 | Synchronous separate extraction reversing valve |
| CN104563961A (en) * | 2014-12-31 | 2015-04-29 | 中国石油化工股份有限公司江汉油田分公司采油工艺研究院 | Micro electric valve for downhole hydraulic control |
| CN104653152A (en) * | 2015-02-08 | 2015-05-27 | 孔涛 | Electric control multifunctional switch |
| CN103643927B (en) * | 2013-12-08 | 2016-01-20 | 大庆泰泽机械加工有限公司 | The linear water dispensing apparatus of a kind of water injection well in oil fields |
| CN106437589A (en) * | 2016-10-27 | 2017-02-22 | 北京精密机电控制设备研究所 | Intelligent milling shoe |
| CN107701155A (en) * | 2017-10-13 | 2018-02-16 | 中国石油化工股份有限公司 | Intelligence control formula in underground insulates injection allocation apparatus |
| CN114482921A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Electro-hydraulic integrated switch and application thereof |
| CN118088134A (en) * | 2024-04-23 | 2024-05-28 | 西安思坦仪器股份有限公司 | Water nozzle of intelligent separate injection system for oil field |
-
2012
- 2012-08-02 CN CN 201220380576 patent/CN202810784U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926722A (en) * | 2012-10-29 | 2013-02-13 | 中国石油化工股份有限公司 | Layering oil production system |
| CN102926722B (en) * | 2012-10-29 | 2015-06-17 | 中国石油化工股份有限公司 | Layering oil production system |
| CN104100228B (en) * | 2013-04-03 | 2016-10-19 | 中国石油天然气股份有限公司 | Reversal valve is adopted in a kind of synchronization point |
| CN104100228A (en) * | 2013-04-03 | 2014-10-15 | 中国石油天然气股份有限公司 | Synchronous separate extraction reversing valve |
| CN103643927B (en) * | 2013-12-08 | 2016-01-20 | 大庆泰泽机械加工有限公司 | The linear water dispensing apparatus of a kind of water injection well in oil fields |
| CN104563961A (en) * | 2014-12-31 | 2015-04-29 | 中国石油化工股份有限公司江汉油田分公司采油工艺研究院 | Micro electric valve for downhole hydraulic control |
| CN104653152A (en) * | 2015-02-08 | 2015-05-27 | 孔涛 | Electric control multifunctional switch |
| CN104653152B (en) * | 2015-02-08 | 2017-03-01 | 孔涛 | Electric controlled multi-functional derailing switch |
| CN106437589A (en) * | 2016-10-27 | 2017-02-22 | 北京精密机电控制设备研究所 | Intelligent milling shoe |
| CN106437589B (en) * | 2016-10-27 | 2019-04-09 | 北京精密机电控制设备研究所 | A kind of intelligence junk mill |
| CN107701155A (en) * | 2017-10-13 | 2018-02-16 | 中国石油化工股份有限公司 | Intelligence control formula in underground insulates injection allocation apparatus |
| CN114482921A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Electro-hydraulic integrated switch and application thereof |
| CN118088134A (en) * | 2024-04-23 | 2024-05-28 | 西安思坦仪器股份有限公司 | Water nozzle of intelligent separate injection system for oil field |
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