CN216277833U - Electric control device for underground injection and production - Google Patents
Electric control device for underground injection and production Download PDFInfo
- Publication number
- CN216277833U CN216277833U CN202122918251.6U CN202122918251U CN216277833U CN 216277833 U CN216277833 U CN 216277833U CN 202122918251 U CN202122918251 U CN 202122918251U CN 216277833 U CN216277833 U CN 216277833U
- Authority
- CN
- China
- Prior art keywords
- valve
- joint
- outer cylinder
- control device
- speed reducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Flow Control (AREA)
Abstract
The utility model discloses an underground injection-production electric control device which comprises an upper joint, a lower joint, a flow control assembly outer cylinder and a flow adjusting mechanism, wherein the upper joint and the lower joint are respectively connected with an oil pipe through oil pipe buckles; the other end of the outer cylinder of the flow control assembly is connected with the upper joint and is fastened through threads, so that the flow regulating mechanism is fixed in the outer cylinder of the flow control assembly and cannot slide. The underground flow of the water injection well is adjusted, the problems that the sealing of the control device is easy to lose efficacy, the reliability is poor and the like are solved by optimally designing the structure of the control device, and meanwhile, the control device has the characteristics of simple structure, short adjusting time, concentric structure, no occupation of a water injection central channel, capability of putting a production test instrument and the like.
Description
Technical Field
The utility model relates to the technical field of oilfield zonal injection and petroleum collection flow regulation, in particular to an underground injection and production electric control device.
Background
Along with the development of oil fields to automation and intellectualization, the intelligent layered water injection measuring and adjusting technology is more and more applied to the water injection wells of the oil fields so as to realize the refined monitoring and control of the whole production process of the water injection wells. Various types of water injection well downhole flow adjusting tools have been developed in the prior art, but due to the severe oil reservoir conditions and high-temperature and high-pressure environmental conditions in the downhole, the existing water injection well downhole flow adjusting tools have the problems of easy failure of sealing, poor reliability, limited field application and the like.
Along with the gradual reduction of the bottom oil deposit of the oil field for long-term exploitation, the oil deposit of each layer is different, and the traditional oil exploitation can not be carried out according to the content of the oil of each layer, so that the waste of resources is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an underground injection-production electric control device which has the characteristics of simple structure, short adjustment time, concentric structure, no occupation of a water injection central channel, capability of being put into a production test instrument and the like, and solves the problems of easy failure of sealing, poor reliability and the like of the conventional control device.
In order to achieve the purpose, the utility model provides the following technical scheme: an underground injection and production electric control device comprises an upper joint, a lower joint, a flow control assembly outer cylinder, a clamping sleeve, a steel pipe cable and a flow adjusting mechanism, wherein the upper joint and the lower joint are respectively connected with an oil pipe through oil pipe buckles; and the other end of the outer cylinder of the flow control assembly is connected with the upper joint and is fastened through threads, so that the flow regulating mechanism is fixed in the outer cylinder of the flow control assembly and cannot slide.
Preferably, the flow regulating mechanism comprises an isolation framework, a circuit module, a micro motor, a primary speed reducer fixing joint, an external magnetic circuit, an isolation sleeve, an internal magnetic circuit, an isolation framework connecting cylinder, a secondary speed reducer, a movable valve driving shaft, a movable sealing cylinder, a movable valve, a static valve, a valve outer cylinder and a bottom joint; a circuit module is arranged on the left side of the isolation framework and used for driving a micro motor to adjust the flow; the primary speed reducer and the external magnetic circuit are connected together through an intermediate shaft, the micro motor, the primary speed reducer and the primary speed reducer are connected together through fixed joints and fixed on the right side of the isolation framework through screws, and the external magnetic circuit is installed in a hole with the diameter of 22mm of the isolation framework;
the static valve is arranged in the valve outer cylinder and is used for positioning the static valve through an M3 screw, and the bottom connector is arranged at the tail part of the valve outer cylinder through a screw thread and supports the static valve; the movable valve driving shaft is connected with the movable valve through a bottom joint, the movable valve driving shaft is arranged in a movable sealing cylinder, the movable sealing cylinder is connected to the other end of the valve outer cylinder through threads, and the static valve and the movable valve are contacted together in the valve outer cylinder; the other end of the driving shaft of the movable valve is also connected with an internal shaft of a secondary speed reducer, and the outside of the secondary speed reducer is connected with a dynamic sealing cylinder through threads; an inner shaft at the other end of the secondary speed reducer is fixed with one end of the inner magnetic circuit non-magnet through a connector, and the outer portion of the secondary speed reducer is fixed with the isolation framework connecting cylinder through threads.
Preferably, the lower clutch is last to have beaten four through-holes, and a diameter 22mm through-hole is used for linking to each other with the bottom joint and uses the water injection below, and two diameter 20 mm's blind holes are used for the erection bracing pole to support whole isolation skeleton, and another through-hole bottom has the screw thread to be used for the installation joint to seal the steel pipe cable of wearing out.
Preferably, two side surfaces of the isolation framework are respectively provided with a pressure sensor.
Preferably, a through hole through which the steel pipe cable passes is formed in the upper connector, and the steel pipe cable and the upper connector are sealed and fixed in position through the clamping sleeve.
Preferably, the steel pipe cable is connected with the circuit module and supplies power to the circuit module.
Preferably, the lower joint is provided with a through hole through which the steel pipe cable passes, the steel pipe cable and the lower joint are sealed and fixed in position through a clamping sleeve, and the lower joint is provided with an axial hole and a radial hole through which injected water flows and produced oil flows.
Compared with the prior art, the utility model has the following beneficial effects:
1. the underground injection and production electric control device can adjust the injected water quantity according to the characteristic requirement of water absorption of each layer of geology.
2. The underground injection and production electric control device can be operated by a ground system when the water injection amount of each layer is changed, and can be prepared without running in and running out.
3. The underground injection and production electric control device can detect the water injection condition of each layer according to the pressure sensor arranged on the isolation framework so as to adjust the water injection quantity of each layer.
4. According to the characteristics that the space of a water injection well is limited, a test instrument needs to be put in, and the like, through optimizing the structural design, the inner diameter of a central channel of the underground injection-production electric control device is 46mm, the test instrument can be put in without occupying a central channel of a water injection pipe column, and the normal production test of the water injection well is not influenced.
5. The underground injection and production electric control device can be adjusted according to the size of each layer of oil deposit and the mining requirement.
Drawings
FIG. 1 is a schematic view of an electric control apparatus according to the present invention in a fully open state;
FIG. 2 is a schematic side view of an isolated framework of the present invention.
In the figure: 1. an upper joint; 2. a card sleeve; 3. a steel pipe cable; 6. a micro motor; 7. a first-stage speed reducer; 8. a primary reducer fixed joint; 11. an external magnetic circuit; 14. an isolation sleeve; 20. an isolation framework connecting cylinder; 26. a valve actuation shaft; 27. a dynamic sealing cylinder; 29. an outer valve barrel; 33. a bottom joint; 35. a lower joint; 37. a static valve; 38. a valve; 41. an outer cylinder of the flow control assembly; 43. a secondary speed reducer; 44. isolating the skeleton; 45. an internal magnetic circuit; 46. a circuit module; 49. a pressure sensor.
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. 1-2, an electric control device for downhole injection and production in the embodiment of the present invention includes an upper connector 1, a lower connector 35, a flow control assembly outer cylinder 41, a ferrule 2, a steel pipe cable 3, and a flow adjusting mechanism, where the upper connector 1 and the lower connector 35 are respectively connected to an oil pipe through an oil pipe buckle, water flows into the flow control assembly outer cylinder 41 through the oil pipe during normal water injection, and the flow adjusting mechanism is integrally placed in the flow control assembly outer cylinder 41 and is fixedly connected by using a thread on the lower connector 35; the other end of the outer cylinder 41 of the flow control assembly is connected with the upper joint 1 and is tightened through threads, so that the flow regulating mechanism is fixed in the outer cylinder 41 of the flow control assembly and cannot slide; the steel pipe cable 3 is connected with the circuit module 46, supplies power to the circuit module 46, and simultaneously realizes transmission of measurement and control signals, the circuit module 46 is used for controlling the running of the micro motor 6, collecting downhole parameter temperature, pressure and the like, and simultaneously realizes data transmission with the ground through the steel pipe cable 3. The upper joint 1 is provided with a through hole through which the steel pipe cable 3 passes, and the steel pipe cable 3 and the upper joint 1 are sealed and fixed in position through the clamping sleeve 2; the lower joint 35 is provided with a through hole through which the steel pipe cable 3 passes, the steel pipe cable 3 and the lower joint 35 are sealed and fixed in position through the ferrule 2, and the lower joint 35 is provided with an axial hole and a radial hole through which injection water flows and production oil flows.
The flow regulating mechanism in the embodiment of the utility model comprises an isolation framework 44, a circuit module 46, a micro motor 6, a primary speed reducer 7, a primary speed reducer fixed joint 8, an external magnetic circuit 11, an isolation sleeve 14, an internal magnetic circuit 45, an isolation framework connecting cylinder 20, a secondary speed reducer 43, a movable valve driving shaft 26, a movable sealing cylinder 27, a movable valve 38, a static valve 37, a valve external cylinder 29 and a bottom joint 33; a circuit module 46 is installed on the left side of the isolation framework 44 and used for driving the micro motor 6 to adjust the flow; connecting a primary speed reducer 7 and an external magnetic circuit 11 together by using a middle shaft, connecting a micro motor 6, the primary speed reducer 7 and a primary speed reducer fixing joint 8 together, fixing the micro motor, the primary speed reducer 7 and the primary speed reducer fixing joint on the right side of an isolation framework 44 by using screws, and installing the external magnetic circuit 11 in a hole with the diameter of 22mm of the isolation framework; pressure sensors 49 are respectively installed on two side surfaces of the isolation framework 44, and water injection conditions of each layer are detected through the pressure sensors 49 so as to adjust the water injection amount of each layer.
The water nozzle part is arranged, the static valve 37 is arranged inside the valve outer cylinder 29 and is used for positioning the static valve 37 through an M3 screw, the bottom connector 33 is arranged at the tail part of the valve outer cylinder 29 through a screw thread after the static valve 37 is arranged, and the static valve 37 is propped against to prevent the static valve 37 from moving axially; the movable valve driving shaft 26 is connected with the movable valve 38 through the bottom joint 33, the movable valve driving shaft 26 is arranged in the movable sealing cylinder 27, the movable sealing cylinder 27 is connected with the other end of the valve outer cylinder 29 through threads, so that the static valve 37 and the movable valve 38 are contacted together in the valve outer cylinder 29, and the sealing effect between the inside and the outside of the valve outer cylinder 29 is realized; the other end of the valve actuating driving shaft 26 is also connected with the internal shaft of a secondary speed reducer 43, and the outside of the secondary speed reducer 43 is connected with the dynamic sealing cylinder 27 through threads; the inner shaft at the other end of the secondary speed reducer 43 is fixed with one end, free of magnets, of the inner magnetic circuit 45 through a connector, the outside of the secondary speed reducer 43 is fixed with the isolation framework connecting cylinder 20 through threads, in sum, all the parts fastened through the threads are sealed through sealing rings, the assembled water nozzle part is installed in a through hole below the isolation framework 44, the outside is fastened through the threads of M25, the top of the water nozzle part is converged with the outer magnetic circuit 11, and the isolation sleeve 14 is arranged between the inner magnetic circuit and the outer magnetic circuit to isolate the water nozzle part.
The flow regulating mechanism is connected with the lower connector 35 after being installed, four through holes are drilled in the lower connector 35, a through hole with the diameter of 22mm is used for being connected with the bottom connector 33 to inject water to the lower part for use, two blind holes with the diameter of 20mm are used for installing a supporting rod to support the whole isolation framework 44, threads are arranged at the bottom of the other through hole and used for installing a clamping sleeve 2 connector to seal the penetrated steel pipe cable 3, the bottom connector 33 and the supporting rod of the water nozzle part are inserted into the lower connector 35 to be fixed, the flow regulating mechanism is integrally placed into the outer cylinder 41 of the flow control assembly, the threads are arranged on the lower connector 35 to be fixedly connected, the other end of the outer cylinder 41 of the flow control assembly is connected with the upper connector 1, and the flow regulating system can be fixed in the outer cylinder 41 of the flow control assembly and cannot slide after the threads are tightened.
When the water injection site is used, the upper connector 1 is connected with an oil pipe through an oil pipe buckle, the lower connector 35 is connected with the oil pipe through an oil pipe buckle, water flow enters the outer barrel 41 of the flow control assembly through the oil pipe during normal water injection, a ground control system is utilized to open a water nozzle to inject water underground, water enters the annular space through a water outlet hole in the lower connector 35 to inject water to the stratum, a pressure sensor 49 on the left side shown in figure 2 can monitor annular space pressure and transmit the annular space pressure to the ground control system through a steel pipe cable 3, and the water absorption condition of each layer on the ground bottom can be visually seen so as to change the size of the water nozzle to adjust the water injection amount of each layer, so that the water injection requirements of each layer are met; the right side pressure sensor 49 shown in fig. 2 can measure the water injection pressure and transmit it to the surface control system through the steel pipe cable 3, and can monitor the water injection pressure in real time so as to adjust the overall water injection pressure.
When the layered oil extraction field is used, the upper connector 1 is connected with an oil pipe through an oil pipe buckle, the lower connector 35 is connected with the oil pipe through an oil pipe buckle, oil enters the outer cylinder 41 of the flow control assembly through the oil pipe by opening a water nozzle through a ground control system during normal oil extraction, then the oil is conveyed upwards through the oil pipe, the water nozzle is fully opened to ensure the oil extraction amount if an oil layer with rich oil reservoir is encountered, and the switch can be opened by half or closed if an oil layer with less oil reservoir is encountered, so that the oil layer with high oil reservoir is smoothly extracted.
In the above embodiment, the flow rate adjusting mechanism is that the micro motor 6 drives the outer magnetic circuit 11 and the inner magnetic circuit 45 to perform non-contact transmission, so as to drive the movable valve 38 to adjust the flow rate, wherein the isolation sleeve 14 plays a role in sealing in the outer magnetic circuit 11 and the inner magnetic circuit 45, and the traditional axial dynamic seal is changed into axial static seal, so that the sealing performance is better and safer.
In summary, the following steps: the underground injection and production electric control device is used for adjusting the underground flow of a water injection well, solves the problems of easy failure of sealing, poor reliability and the like of the control device by optimally designing the structure of the control device, and has the characteristics of simple structure, short adjustment time, concentric structure, no occupation of a water injection central channel, capability of being put into a production test instrument and the like; in addition, the utility model can be used for controlling the oil extraction amount of each layer of the underground oil well, the large oil layer of the oil reservoir is preferentially exploited and massively exploited, the small oil layer of the oil reservoir is exploited and observed in a small amount, and the excessive exploitation which causes the large oil reservoir and cannot completely exploit the small oil reservoir is avoided, so that the resource waste is avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an annotate in pit and adopt electric control device, includes top connection (1), lower clutch (35), flow control assembly urceolus (41), cutting ferrule (2), steel pipe cable (3) and flow control mechanism, its characterized in that: the upper joint (1) and the lower joint (35) are respectively connected with an oil pipe through oil pipe buckles, water flow enters the outer cylinder (41) of the flow control assembly through the oil pipe during normal water injection, the flow adjusting mechanism is integrally placed in the outer cylinder (41) of the flow control assembly, and the flow adjusting mechanism is fixedly connected through threads on the lower joint (35); the other end of the flow control assembly outer cylinder (41) is connected with the upper joint (1) and is tightened through threads, so that the flow regulating mechanism is fixed in the flow control assembly outer cylinder (41) and cannot slide.
2. The downhole injection-production electric control device according to claim 1, wherein: the flow regulating mechanism comprises an isolation framework (44), a circuit module (46), a micro motor (6), a primary speed reducer (7), a primary speed reducer fixing joint (8), an external magnetic circuit (11), an isolation sleeve (14), an internal magnetic circuit (45), an isolation framework connecting cylinder (20), a secondary speed reducer (43), a movable valve driving shaft (26), a movable sealing cylinder (27), a movable valve (38), a static valve (37), a valve outer cylinder (29) and a bottom joint (33); a circuit module (46) is arranged on the left side of the isolation framework (44) and used for driving a micro motor (6) to adjust the flow; the primary speed reducer (7) is connected with the external magnetic circuit (11) through a middle shaft, the micro motor (6), the primary speed reducer (7) and the primary speed reducer fixing joint (8) are connected together and fixed on the right side of the isolation framework (44) through screws, and the external magnetic circuit (11) is installed in a hole with the diameter of 22mm of the isolation framework (44);
the static valve (37) is arranged inside the valve outer cylinder (29) and is used for positioning the static valve (37) through an M3 screw, and the bottom joint (33) is arranged at the tail part of the valve outer cylinder (29) through a screw thread and is used for supporting the static valve (37); the valve actuating shaft (26) is connected with the valve (38) through a bottom joint (33), the valve actuating shaft (26) is arranged in the movable sealing cylinder (27), the movable sealing cylinder (27) is connected to the other end of the valve outer cylinder (29) through threads, and the static valve (37) and the valve (38) are contacted together in the valve outer cylinder (29); the other end of the valve actuating shaft (26) is also connected with an internal shaft of a secondary speed reducer (43), and the outside of the secondary speed reducer (43) is connected with the dynamic sealing cylinder (27) through threads; an inner shaft at the other end of the secondary speed reducer (43) is fixed with one end, free of magnets, of the inner magnetic path (45) through a connector, and the outer portion of the secondary speed reducer (43) is fixed with the isolation framework connecting cylinder (20) through threads.
3. The downhole injection-production electric control device according to claim 2, wherein: the lower joint (35) is provided with four through holes, a through hole with the diameter of 22mm is used for being connected with the bottom joint (33) and injecting water downwards for use, two blind holes with the diameter of 20mm are used for installing a supporting rod to support the whole isolation framework (44), and the bottom of the other through hole is provided with threads for installing a clamping sleeve (2) joint to seal the penetrated steel pipe cable (3).
4. The downhole injection-production electric control device according to claim 3, wherein: and pressure sensors (49) are respectively arranged on two side surfaces of the isolation framework (44).
5. The downhole injection-production electric control device according to claim 1, wherein: the upper connector (1) is provided with a through hole through which the steel pipe cable (3) passes, and the steel pipe cable (3) and the upper connector (1) are sealed and fixed in position through the clamping sleeve (2).
6. The downhole injection-production electric control device according to claim 1, wherein: the steel pipe cable (3) is connected with the circuit module (46) and supplies power to the circuit module (46).
7. The downhole injection-production electric control device according to claim 1, wherein: the lower joint (35) is provided with a through hole through which the steel pipe cable (3) passes, the steel pipe cable (3) and the lower joint (35) are sealed and fixed in position through the clamping sleeve (2), and the lower joint (35) is provided with an axial hole and a radial hole through which injected water flows and produced oil flows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122918251.6U CN216277833U (en) | 2021-11-25 | 2021-11-25 | Electric control device for underground injection and production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122918251.6U CN216277833U (en) | 2021-11-25 | 2021-11-25 | Electric control device for underground injection and production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277833U true CN216277833U (en) | 2022-04-12 |
Family
ID=81039004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122918251.6U Active CN216277833U (en) | 2021-11-25 | 2021-11-25 | Electric control device for underground injection and production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110932A (en) * | 2022-08-30 | 2022-09-27 | 东营华辰石油装备有限公司 | Underground injection allocation device with uniform water injection function for oil field exploitation |
-
2021
- 2021-11-25 CN CN202122918251.6U patent/CN216277833U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110932A (en) * | 2022-08-30 | 2022-09-27 | 东营华辰石油装备有限公司 | Underground injection allocation device with uniform water injection function for oil field exploitation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10626704B2 (en) | Intelligent switching valve for reservoir reformation and production monitoring and control and construction method therefor | |
| CN109763799B (en) | Method for controlling separated layer water injection by using flow wave | |
| CN205918361U (en) | Perpendicular drilling tool of machinery | |
| CN100513743C (en) | Near-bit logging data motor-passing wired transmission device | |
| CN109854216B (en) | Layered water injection method for water injection well multilayer separate injection distributed communication | |
| CN202596684U (en) | Testing process pipe column for casing pipe well completion horizontal well multistage subsection production and water detection | |
| CN216277833U (en) | Electric control device for underground injection and production | |
| CN109296348B (en) | Toe end sliding sleeve capable of being opened in time delay mode | |
| CN202500540U (en) | Three-channel injection-production well entrance apparatus | |
| CN107288580B (en) | Remote control sleeve sliding sleeve based on potential difference communication | |
| CN109267962B (en) | Motor-driven compression rubber cylinder type downhole blowout preventer | |
| CN103790542B (en) | A kind of high temperature is with pressure to put test coiled tubing suspension sealing device and using method | |
| CN107956430B (en) | Intelligent well completion pipe string suitable for land test well and well logging test method thereof | |
| CN108343396B (en) | Remote pressure control self-sealing type underground differential pressure sliding sleeve | |
| CN101798912B (en) | Device and method for regulating and controlling water content of production fluid of underground layering of oil field | |
| CN117569781A (en) | One-sealing double-matching intelligent water injection instrument | |
| CN113530503A (en) | Survey, transfer, adopt layering oil recovery system of integration | |
| CN206071551U (en) | The integrated observing and controlling production mandrel of preset cable type underground | |
| CN109779583B (en) | Constant-flow water distribution equipment and method | |
| CN203594370U (en) | Instrument built-in type testing tubing string | |
| CN202511966U (en) | Body structure of multifunctional underground tool test well | |
| CN110965971B (en) | Annular simulation device for water injection well | |
| CN113914835A (en) | Single pipeline control multilayer intelligent pipe column | |
| CN201225121Y (en) | Oil gas well selective completion tool | |
| CN109736761B (en) | Oil field separate layer water injection process pipe column device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |