CN205955713U - Water injection well ground water injection mandrel - Google Patents
Water injection well ground water injection mandrel Download PDFInfo
- Publication number
- CN205955713U CN205955713U CN201620789514.4U CN201620789514U CN205955713U CN 205955713 U CN205955713 U CN 205955713U CN 201620789514 U CN201620789514 U CN 201620789514U CN 205955713 U CN205955713 U CN 205955713U
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- water
- blanking plug
- water injection
- injection well
- flow regulator
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Abstract
The utility model relates to a water injection well ground water injection mandrel belongs to the supporting water filling tool technical field in oil industry water injection development ground. By the water injection mandrel casing, blanking plug core, blanking plug are formed, and the water injection mandrel casing is one three entire body, including the joint of water supply connector, water connectors and installation end cap, the blanking plug core is " T " venturi tube column structure, and the screw is installed in the cavity of the water supply connector of water injection mandrel casing, and it has the delivery port to open on the outer pipe wall of the blanking plug core that corresponds with the water connectors of water injection mandrel casing, the blanking plug blocks up filter bowl, throttling arrangement, water distribution nipple joint, fishing head screw thread series connection in proper order by blocking net, in the cavity of blanking plug core is arranged in to the blanking plug, corresponds outer wall that the water distribution connects with blanking plug core outer wall delivery port and opens and have the delivery port, throttling arrangement adopts split type design, can produce to be greater than 8MPa throttle pressure differential, satisfies the allotment that the poor oil jacket of high pressure divides water injection well low pressure layer, has extended the oil jacket branch and has annotated technology application scope.
Description
Technical field
The utility model is related to a kind of ground water distributor for water filling well, belongs to the supporting water filling work in petroleum industry waterflooding extraction ground
Tool technical field.
Background technology
Water injection well in oil fields water injection through tubing and casing technique is, using packer, water filling layer is divided into upper and lower two-layer, in ground well head
Flow process installs ground water distribution device, control oil pipe, the day fluence of oil jacket annular space, so that high permeability formation water injection rate is controlled, middle hyposmosis
Rate oil-bearing stratum flooding amount is strengthened, and reaches the purpose of seperated layer water injection.
Existing ground water distribution device main body is a three-way body, and the Single port of injection well downhole flow regulator main body is provided with plug, injection well downhole flow regulator
The other end mouth of main body is connected with water supply connector, and side the 3rd port of injection well downhole flow regulator main body is connected with water out adapter, is joining
Blanking plug fuse and blanking plug are installed in water machine body, when needing to adjust water distribution, open plug, extract blanking plug, blocking
1 ceramic water nozzle is installed in device, adjusts each layer water injection rate by changing ceramic water nozzle.In implementation process, the minimum ceramic water of application
It is 8MPa, part water injection through tubing and casing well high permeability formation and low-permeability layer interlayer pressure that mouth produces maximum chock pressure difference in the case of current injection allocation
Difference be more than 8MPa, water filling cannot be realized using existing ground water distribution device and effectively allocate, and ceramic water nozzle easily block thorn bad.For overcoming
Drawbacks described above, is connected in series using the ground water distribution device of two grades or more than two grades in prior art basis, by two grades or two
The above throttling of level solves a big pressure reduction well dispensing difficult problem, but there is ground water distribution device in actual application and install loaded down with trivial details, work
The problems such as skill complexity and not Easy Test are allocated.
Utility model content
The purpose of this utility model is to overcome above-mentioned existing ground water distribution technology chock pressure difference little and two grades or two grades
Above ground water distribution device series connection throttling installation difficulty, the problem of not Easy Test allotment, a kind of ground water distributor for water filling well of design.
The utility model ground water distributor for water filling well is by injection well downhole flow regulator housing, blanking plug fuse, blanking plug composition, injection well downhole flow regulator shell
Body is a three-way body, including water supply connector, water out adapter and the joint installing plug；Blanking plug fuse is "T"-shaped tubulose knot
Structure, in the cavity of the water supply connector being threadably mounted at injection well downhole flow regulator housing, blanking plug corresponding with the water out adapter of injection well downhole flow regulator housing
Delivery port is had on the outer tube wall of fuse；Blanking plug is by anti-foreign matters from being blocked filter bowl, throttling arrangement, water distribution pipe nipple, fishing head successively
Screw thread is connected in series, and blanking plug is placed in the cavity of blanking plug fuse, water distribution joint corresponding with blanking plug fuse outer wall delivery port
Outer wall have delivery port.
Throttling arrangement is connected by one or more tubular structure throttling short-section thread and forms, and ceramic water nozzle is arranged on section
In stream pipe nipple.
Between the faying face of described plug and injection well downhole flow regulator housing, sealing ring is installed.
Between described blanking plug fuse and the faying face of injection well downhole flow regulator housing, sealing ring is installed.
Between described water distribution pipe nipple end and the faying face of blanking plug fuse, sealing ring is installed.
The beneficial effects of the utility model are：The blanking plug of ground water distribution device adopts split-type design, by installing one
Or more than one pipe nipple that throttles, assemble two or more than two ceramic water nozzles at throttling pipe nipple, realize two grades or more than two grades
Water nozzle series connection throttles step by step, can produce and be more than 8MPa chock pressure difference, meet the allotment of High Pressure Difference water injection through tubing and casing well low pressure layer, open up
Open up the water injection through tubing and casing technique scope of application.
Brief description
Fig. 1 is the utility model structural representation.
Specific embodiment
The utility model ground water distributor for water filling well is as shown in Figure 1：By injection well downhole flow regulator housing 1, blanking plug fuse 5, blanking plug 6
Composition, injection well downhole flow regulator housing 1 is a three-way body, including water supply connector 3, water out adapter 4 and the joint installing plug；Blanking plug core
Son 5 is "T"-shaped tubular structure, is threadably mounted in the cavity of water supply connector 3 of injection well downhole flow regulator housing 1, with going out of injection well downhole flow regulator housing 1
Delivery port 12 is had on the outer tube wall of the corresponding blanking plug fuse 5 of water swivel 4；Blanking plug 6 is by anti-foreign matters from being blocked filter bowl 7, throttling
Screw thread is connected in series successively for device 8, water distribution pipe nipple 9, fishing head 10, and blanking plug 6 is placed in the cavity of blanking plug fuse 5, and stifled
The outer wall of the corresponding water distribution pipe nipple 9 of plug device fuse 5 outer wall delivery port 12 has delivery port 11.
Described throttling arrangement 8 by one or more tubular structure throttling short-section thread connect form, throttling arrangement 8 by
1 throttling pipe nipple, can be installed in series in its cavity 2 ceramic water nozzles, realize two grades of water nozzle series connection and throttle step by step；Throttling arrangement 8
Connected by 2 throttling short-section threads and form, can be installed in series in its cavity 3 ceramic water nozzles, realize three-level water nozzle and connect step by step
Throttling.
Between described plug 2 and the faying face of injection well downhole flow regulator housing 1, sealing ring is installed.
Between described blanking plug fuse 5 and the faying face of injection well downhole flow regulator housing 1, sealing ring is installed.
Between described water distribution pipe nipple 9 end and the faying face of blanking plug fuse 5, sealing ring is installed.
During construction, first pass through the anticipation to water injection pressure, preferably suitable water nozzle combination and throttling pipe nipple series, open
Plug 2, takes out blanking plug 6, changes the water nozzle in throttling arrangement 8, then blanking plug 6 is installed in blanking plug fuse 5 cavity,
Tighten plug 2.
During work, injection water passes through water supply connector 3 and anti-foreign matters from being blocked filter bowl 7 enters blanking plug 6, through being arranged on throttling
Two in device 8 or more than two water nozzles throttle step by step, form the chock pressure difference higher than 8MPa, short by blanking plug 6 water distribution
The delivery port 10 of section 9, the delivery port 11 of blanking plug fuse 5 outer wall, the water out adapter 4 of injection well downhole flow regulator housing 1 enter well well head pipe
Line, realizes the effectively fine dispensing of differential greatly water injection through tubing and casing well.
Claims (5)
1. a kind of ground water distributor for water filling well, including injection well downhole flow regulator housing (1), blanking plug fuse (5), blanking plug (6), injection well downhole flow regulator shell
Body (1) is a three-way body, including water supply connector (3), water out adapter (4) and the joint installing plug；It is characterized in that：Blanking plug
Fuse (5) is "T"-shaped tubular structure, is threadably mounted in the cavity of water supply connector (3) of injection well downhole flow regulator housing (1), with injection well downhole flow regulator
Delivery port (12) is had on the outer tube wall of the corresponding blanking plug fuse of water out adapter (4) (5) of housing (1)；Blanking plug (6) is by preventing
Screw thread is connected in series successively for foreign matters from being blocked filter bowl (7), throttling arrangement (8), water distribution pipe nipple (9), fishing head (10), blanking plug (6)
It is placed in the cavity of blanking plug fuse (5), the outer wall of water distribution pipe nipple (9) corresponding with blanking plug fuse (5) outer wall delivery port (12)
Have delivery port (11).
2. ground water distributor for water filling well according to claim 1, is characterized in that：Throttling arrangement (8) by one or one with
Upper tubular structure throttling short-section thread connects composition, and ceramic water nozzle is arranged in throttling pipe nipple.
3. ground water distributor for water filling well according to claim 1, is characterized in that：Plug (2) and the knot of injection well downhole flow regulator housing (1)
Sealing ring is installed between conjunction face.
4. ground water distributor for water filling well according to claim 1, is characterized in that：Blanking plug fuse (5) and injection well downhole flow regulator housing
(1) between faying face, sealing ring is installed.
5. ground water distributor for water filling well according to claim 1, is characterized in that：Water distribution pipe nipple (9) end and blanking plug core
Between the faying face of sub (5), sealing ring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789514.4U CN205955713U (en) | 2016-07-25 | 2016-07-25 | Water injection well ground water injection mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789514.4U CN205955713U (en) | 2016-07-25 | 2016-07-25 | Water injection well ground water injection mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955713U true CN205955713U (en) | 2017-02-15 |
Family
ID=57972086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620789514.4U Active CN205955713U (en) | 2016-07-25 | 2016-07-25 | Water injection well ground water injection mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441412A (en) * | 2018-10-31 | 2019-03-08 | 四川富利斯达石油科技发展有限公司 | A kind of layering injection well downhole flow regulator |
-
2016
- 2016-07-25 CN CN201620789514.4U patent/CN205955713U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441412A (en) * | 2018-10-31 | 2019-03-08 | 四川富利斯达石油科技发展有限公司 | A kind of layering injection well downhole flow regulator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |