CN212614655U - Water injection separate-layer injection allocation system for oil field water injection well - Google Patents
Water injection separate-layer injection allocation system for oil field water injection well Download PDFInfo
- Publication number
- CN212614655U CN212614655U CN202021246185.1U CN202021246185U CN212614655U CN 212614655 U CN212614655 U CN 212614655U CN 202021246185 U CN202021246185 U CN 202021246185U CN 212614655 U CN212614655 U CN 212614655U
- Authority
- CN
- China
- Prior art keywords
- water
- water injection
- injection
- magnetic
- lifting mechanism
- 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
- Measuring Volume Flow (AREA)
Abstract
The utility model relates to an oil field water injection well water injection layering injection allocation technical field especially relates to an oil field water injection well water injection layering injection allocation system. The system comprises an oil pipe, a sleeve, a plurality of packers and a plurality of magnetic driving water distributors, wherein the packers and the magnetic driving water distributors are connected to the oil pipe at intervals, the magnetic driving water distributors and corresponding injection water layers are located at the same depth, and the magnetic driving water distributors are communicated with the oil pipe through upper joints. The utility model discloses the water injection layering injection allocation system of the oil field water injection well realizes that the layering regulating water quantity does not need to be butted and depends on the magnetic drive to regulate the water quantity; completing underground multi-layer flow test and target flow automatic allocation in steps in the primary well descending process; the system has the advantages of improving the automation degree of the control process, being convenient and simple to operate, improving the control precision of the flow in the water injection layer injection allocation process of the oil field water injection well and greatly improving the test efficiency of the water injection well.
Description
Technical Field
The utility model relates to an oil field water injection well water injection layering injection allocation technical field especially relates to an oil field water injection well water injection layering injection allocation system.
Background
At present, many oil fields at home and abroad are developed by water injection and enter a high-water-content later-stage subdivision exploitation stage in sequence, and the difficulty of stable exploitation is gradually increased. The conventional main measure is the water injection of the sub-layer, and the energy of the sub-layer is kept not excessive.
At present, the water injection and separate injection of the oil field water well mainly adopt an eccentric and hollow separate injection process, and the two separate injection processes and a matched measurement and debugging process have respective advantages, but have two common problems, namely difficult allocation. The reason is that the fishing tool and the water distributor are difficult to butt because the water injection well has scale formation, oil return and discharge and well deviation; secondly, if the layered injection layer is more than or equal to 4 layers and the water distribution single layer is less than or equal to 10m3And d), the blending time is long (blending is successful for 2-7 d). Aiming at the two problems, a plurality of petroleum instrument factories in China jointly develop wired and storage type devices for measuring and adjusting simultaneously in related oil fields, and the process of the device is over-critical, but the throwing, fishing and butt joint are difficult to popularize and use.
Disclosure of Invention
The utility model aims at providing an oil field water injection well water injection layering injection allocation system has absorbed in the past in the aspect of water yield control and the automatic process control system successful experience, combines present hollow integrated water injection mandrel, magnetic drive and modern test technical advantage, to prior art's shortcoming, designs a new oil field water injection well water injection layering injection allocation system to realize that the layering regulating pondage need not the butt joint, solve long-term puzzlement oil field water injection well layering allotment problem.
The utility model provides an oil field water injection well water injection layering injection allocation system, including oil pipe, sleeve pipe, a plurality of packer, still include a plurality of magnetic drive water distributors, a plurality of packers and a plurality of magnetic drive water distributors are connected on oil pipe at intervals each other, a plurality of magnetic drive water distributors and corresponding injection water layer are located same degree of depth, the magnetic drive water distributors are linked together with oil pipe through the top connection;
the magnetic driving water distributor consists of an upper fixed plug, an outer sleeve, a non-magnetic central pipe, an outer magnet, a spiral mechanism, an upper lifting mechanism, a lower lifting mechanism, a regulating valve, a lower connector and a matched non-contact measuring and regulating device; the upper fixed screwed plug is arranged at the upper part of the outer sleeve, the lower joint is arranged at the lower part of the outer sleeve, and a water outlet hole is formed in the lower joint; the magnetic driving water distributor is characterized in that the non-magnetic central tube and the upper joint are mutually connected and coaxially arranged in the magnetic driving water distributor, the outer magnet and the screw mechanism are coaxially arranged on the non-magnetic central tube from top to bottom, external threads are processed on the outer surface of the screw mechanism, the upper lifting mechanism and the lower lifting mechanism are sleeved on the screw mechanism, internal threads are processed on the inner surface of the upper lifting mechanism and the lower lifting mechanism, and the internal threads of the upper lifting mechanism and the lower lifting mechanism are mutually meshed with the external threads of the screw mechanism; the regulating valve is fixed at the lower end part of the upper and lower lifting mechanisms; the matched non-contact measuring and adjusting device is arranged in an oil pipe at the upper end part of the magnetic drive water distributor and consists of a cable, a controller, an ultrasonic flowmeter, a driving motor and an inner magnet, the controller, the ultrasonic flowmeter, the driving motor and the inner magnet are sequentially and relatively fixed, the matched non-contact measuring and adjusting device is connected with control equipment outside the oil pipe through the cable, and the inner magnet and the outer magnet are positioned at the same depth.
The utility model provides an oil field water injection well water injection layering injection allocation system, its advantage is:
the water injection separate-layer injection allocation system of the oil field water injection well realizes separate-layer water regulation without butt joint and regulates water quantity by magnetic drive; secondly, completing underground multi-layer flow test and target flow automatic allocation in steps in the process of one-time well descending; the automation degree of the control process is improved, the operation is convenient and simple, and the control precision of the flow in the water injection separate layer injection allocation process of the oil field water injection well is improved (the error is less than or equal to +/-5 percent); fourthly, the testing efficiency of the water injection well is greatly improved.
Drawings
Fig. 1 is the structure schematic diagram of the water injection separate layer injection allocation system of the oil field water injection well.
Fig. 2 is a schematic structural view of the magnetically driven water distributor of fig. 1.
The device comprises an oil pipe 1, a casing 2, a packer 3, a magnetic drive water distributor 4, a water injection layer 5, an oil pipe plug 6, an artificial well bottom 7, an upper joint 8, an upper fixed plug 9, an outer sleeve 10, a non-magnetic central pipe 11, an external magnet 12, a screw mechanism 13, an up-and-down lifting mechanism 14, a regulating valve 15, a water outlet 16, a valve body and a lower joint 17, a matched non-contact measuring and regulating device 18, a cable 18.1, a controller 18.2, an ultrasonic flowmeter 18.3, a driving motor 18.4 and an internal magnet 18.5.
Detailed Description
The utility model provides an oil field water injection well water injection layering injection allocation system, please the structure as shown in figure 1, including oil pipe 1, sleeve pipe 2, a plurality of packer 3, still include a plurality of magnetic drive water distributors 4, a plurality of packers 3 and a plurality of magnetic drive water distributors 4 are the connection of spacing each other on oil pipe 1, and a plurality of magnetic drive water distributors 4 are located same degree of depth with corresponding injection water layer 5, and magnetic drive water distributors 4 are linked together with oil pipe 1 through top connection 8.
The structure of the magnetic driving water distributor 4 in the water injection layering and injection allocation system of the oil field water injection well is shown in figure 2, and the magnetic driving water distributor is composed of an upper fixed plug 9, an outer sleeve 10, a non-magnetic central pipe 11, an outer magnet 12, a screw mechanism 13, an upper lifting mechanism 14, a lower lifting mechanism 14, a regulating valve 15, a lower connector 17 and a matched non-contact measuring and regulating device 18; the upper fixed plug 9 is arranged at the upper part of the outer sleeve 10, the lower joint 17 is arranged at the lower part of the outer sleeve 10, and the lower joint 17 is provided with a water outlet hole 16 and an adjusting valve 19; the non-magnetic central tube 11 and the upper joint 8 are mutually connected and coaxially arranged in the magnetic drive water distributor 4, the outer magnet 12 and the screw mechanism 13 are coaxially arranged on the non-magnetic central tube 11 from top to bottom, the outer surface of the screw mechanism 13 is provided with an external thread, the upper lifting mechanism 14 and the lower lifting mechanism 14 are sleeved on the screw mechanism 13, the inner surface of the upper lifting mechanism 14 and the lower lifting mechanism 14 are provided with an internal thread, and the internal thread of the upper lifting mechanism 14 and the external thread of the screw mechanism 13 are mutually meshed; the regulating valve 15 is fixed at the lower end part of the upper and lower lifting mechanisms 14; the matched non-contact measuring and adjusting device 18 is arranged in an oil pipe 1 at the upper end part of the magnetic driving water distributor 4, the matched non-contact measuring and adjusting device 18 consists of a cable 18.1 special for installing 7 cores, a controller 18.2, an ultrasonic flowmeter 18.3, a driving motor 18.4 and an inner magnet 18.5, the controller 18.2, the ultrasonic flowmeter 18.3, the driving motor 18.4 and the inner magnet 18.5 are sequentially and relatively fixed, the matched non-contact measuring and adjusting device 18 is connected with control equipment outside the oil pipe through the cable 18.1, and the inner magnet 18.5 and the outer magnet 12 are positioned at the same depth.
The following work process that combines the attached drawing, introduces in detail the utility model provides an oil field water injection well water injection layering injection allocation system:
the utility model discloses an oil field water injection well water injection layering injection allocation system's working process does:
firstly, according to the engineering design requirement, after connecting a packer 3 and a magnetic drive water distributor 4 by an oil pipe 1, putting the packer into a proper position in the well according to the figure 1, then pressing the interior of the oil pipe 1 according to the engineering design requirement to expand the packer 3 so as to achieve the purpose of layered injection, and finally performing layered allocation:
(1) connecting the armour 7-core cables 18.1 matched with the non-contact measuring and adjusting device 18;
(2) a special cable car is used for lowering the matched non-contact measuring and adjusting device 18 from the oil pipe 1 in the figure 1 to the magnetic driving water distributor 4 without contact at the lowest part;
(3) the matched non-contact measuring and adjusting device 18 starts to work, adjusts the water injection quantity, signals the ground, and can lift the cable to the upper layer of non-contact magnetic driving water distributor 4;
(4) and (4) repeating the operation (3) to prepare all the separate injection layers.
The working principle of the mutual matching of the non-contact magnetic driving water distributor 4 and the matched non-contact measuring and adjusting device 18 is as follows:
after a Kai-7-core cable 18.1 is fed into a specified non-contact magnetic drive water distributor 4, an ultrasonic flowmeter 18.3 measures the water injection amount of the layer, if the water injection amount is too large or too small, a controller 18.2 sends an instruction to drive a drive motor 18.4 to rotate in the positive and negative directions, an inner magnet 18.5 drives an outer magnet 12 to rotate, the outer magnet 12 drives a screw mechanism 13 to move, and then drives an upper lifting mechanism 14 and a lower lifting mechanism 14 to enable an adjusting valve 15 to move up and down to adjust a water outlet 16 to be enlarged or reduced, so that the purpose of controlling the underground water injection amount in a non-contact mode is achieved.
The utility model discloses a contactless magnetic drive water injection mandrel 4 among the oil field water injection well water injection layering injection allocation system mainly comprises no magnetism center tube 11, upper and lower hoist mechanism 14, water regulation valve and governing valve body and outer magnet 12, as shown in fig. 2. When the water injection amount of a certain layer needs to be changed, the inner magnet 18.5 drives the outer magnet 12 to rotate forward and backward, and drives the upper and lower lifting mechanisms 14 to enable the water distribution adjusting valve to move up and down to adjust the water outlet hole 16 to be enlarged or reduced, so that the purpose of blending is achieved.
The matched non-contact measuring and adjusting device 18 consists of a specially-installed 7-core cable 18.1, a controller 18.2, an ultrasonic flowmeter 18.3, a driving motor 18.4 and an inner magnet 18.5, when the matched non-contact measuring and adjusting device 18 falls to the magnetic driving water distributor 4, the ultrasonic flowmeter 18.3 starts to measure the water injection quantity of the layer, if the water injection quantity is too large or too small, the controller 18.2 sends an instruction to enable the driving motor 18.4 to rotate forward and backward, and enable the inner magnet 18.5 to drive the outer magnet 12 to rotate, so that the purpose of controlling the water injection quantity in the well is achieved.
Claims (1)
1. A water injection separate-layer injection allocation system of an oil field water injection well comprises an oil pipe, a sleeve and a plurality of packers and is characterized by also comprising a plurality of magnetic driving water distributors, wherein the packers and the magnetic driving water distributors are mutually connected to the oil pipe at intervals; the magnetic driving water distributor consists of an upper fixed plug, an outer sleeve, a non-magnetic central pipe, an outer magnet, a spiral mechanism, an upper lifting mechanism, a lower lifting mechanism, a regulating valve, a lower connector and a matched non-contact measuring and regulating device; the upper fixed screwed plug is arranged at the upper part of the outer sleeve, the lower joint is arranged at the lower part of the outer sleeve, and a water outlet hole is formed in the lower joint; the magnetic driving water distributor is characterized in that the non-magnetic central tube and the upper joint are mutually connected and coaxially arranged in the magnetic driving water distributor, the outer magnet and the screw mechanism are coaxially arranged on the non-magnetic central tube from top to bottom, external threads are processed on the outer surface of the screw mechanism, the upper lifting mechanism and the lower lifting mechanism are sleeved on the screw mechanism, internal threads are processed on the inner surface of the upper lifting mechanism and the lower lifting mechanism, and the internal threads of the upper lifting mechanism and the lower lifting mechanism are mutually meshed with the external threads of the screw mechanism; the regulating valve is fixed at the lower end part of the upper and lower lifting mechanisms; the matched non-contact measuring and adjusting device is arranged in an oil pipe at the upper end part of the magnetic drive water distributor and consists of a cable, a controller, an ultrasonic flowmeter, a driving motor and an inner magnet, the controller, the ultrasonic flowmeter, the driving motor and the inner magnet are sequentially and relatively fixed, the matched non-contact measuring and adjusting device is connected with control equipment outside the oil pipe through the cable, and the inner magnet and the outer magnet are positioned at the same depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021246185.1U CN212614655U (en) | 2020-07-01 | 2020-07-01 | Water injection separate-layer injection allocation system for oil field water injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021246185.1U CN212614655U (en) | 2020-07-01 | 2020-07-01 | Water injection separate-layer injection allocation system for oil field water injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212614655U true CN212614655U (en) | 2021-02-26 |
Family
ID=74756370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021246185.1U Active CN212614655U (en) | 2020-07-01 | 2020-07-01 | Water injection separate-layer injection allocation system for oil field water injection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212614655U (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 |
-
2020
- 2020-07-01 CN CN202021246185.1U patent/CN212614655U/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 |
|---|---|---|
| CN103790559B (en) | Concentric electric underground measuring and adjusting instrument | |
| CN212614655U (en) | Water injection separate-layer injection allocation system for oil field water injection well | |
| CN101270647B (en) | Injection allocation volume automatic regulation method for marine oil-field water injection well | |
| CN201407030Y (en) | Homocentric intelligent water distribution downhole test and modification apparatus | |
| CN205900684U (en) | Accurate liquid system of annotating of numerical control | |
| CN102287180B (en) | Self-positioning underground flow metering and adjusting instrument | |
| CN104563985B (en) | Digital separate injection test allocation system and method | |
| AU2022443138A1 (en) | Water injection regulation system and method for water injection well | |
| CN112360414A (en) | Three-channel intelligent water injection system | |
| CN107313764A (en) | Cable-free type producing well regulating multi-zone production rate device and method | |
| CN102011577B (en) | Intelligent testing and regulating controller | |
| CN209603960U (en) | Underground wet butt joint intelligent separate injection pipe column | |
| CN106089162B (en) | A kind of the layering section exploitation flow string and regulation device of double-direction radio identification control | |
| CN214303797U (en) | Throwing and fishing type cabled intelligent separate injection system | |
| CN108571312A (en) | Underground wireless butt joint measuring and adjusting tool for oil field layered mining | |
| CN201013333Y (en) | Computer allocated gauging water distributor | |
| CN210134902U (en) | Automatic blending constant flow water distributor and water distribution pipe column | |
| CN102235164B (en) | Double-flow automatic measurement and regulation instrument for water injection well | |
| CN207017991U (en) | Cable-free type producing well regulating multi-zone production rate device | |
| CN110632905A (en) | Wireless distributed synchronous jacking system and using method thereof | |
| CN201184178Y (en) | Down-hole instrument capable of automatically measuring and adjusting flow | |
| CN206000524U (en) | Layering section exploitation flow string and regulation device that a kind of double-direction radio identification controls | |
| CN111713210B (en) | Tobacco punching device and equipment | |
| CN211500604U (en) | Integrated device capable of bearing data acquisition equipment and refined water injection equipment | |
| CN101260800A (en) | Electromagnetical linearly adjusted flux device for down-hole injection-production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |