CN2661920Y - High displacement water distributor of oil field water injection well - Google Patents
High displacement water distributor of oil field water injection well Download PDFInfo
- Publication number
- CN2661920Y CN2661920Y CN 200320111441 CN200320111441U CN2661920Y CN 2661920 Y CN2661920 Y CN 2661920Y CN 200320111441 CN200320111441 CN 200320111441 CN 200320111441 U CN200320111441 U CN 200320111441U CN 2661920 Y CN2661920 Y CN 2661920Y
- Authority
- CN
- China
- Prior art keywords
- water injection
- tube head
- injection well
- tube
- guide cylinder
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a large-discharge water distributor of the oilfield water injection well, belonging to the downhole equipment of oil exploitation and water injection well. The utility model is characterized in that: the main body comprises a splicing sleeve, a working barrel and a lower splicing tube head which are connected with an upper splicing tube head in sequence. An uprighting barrel with a C-shaped section is arranged on the inner wall of the splicing sleeve; the lower edge of the uprighting barrel is fixed with the upper end of the working barrel by a bolt. A water injection hole is arranged on the pipe wall of the working barrel at the lower part of the C-shaped opening of the uprighting barrel, a dropping chamber of a water distributing stopper is arranged on the pipe wall of the water injection hole. A guide cylinder with C-shaped section is arranged on the inner pipe wall of the lower splicing tube head and is in consistent direction with the uprighting barrel; the guide cylinder is fixed at the pipe wall of the lower splicing tube head by a bolt. The dropping chamber of the water distributing stopper is a cylindrical cavity with a diameter of 21 to 29mm. The utility model has the advantages that the needs on stable and reliable oilfield and large-discharge water injection are met, and the downhole operations such as salvage and dropping test are very convenient as well.
Description
Technical field
The utility model belongs to also lower device, the particularly big discharge capacity injection well downhole flow regulator of a kind of water injection well in oil fields of water injection well of recover petroleum, water injection well.
Background technology
Eccentric injection mandrel is existing the application in the water injection well of oil exploitation, but because its project organization is reasonable inadequately, its water injection rate is restricted, and can not satisfy the needs of the big discharge capacity water filling of oil field individual layer.
Summary of the invention
The purpose of this utility model is intended to solve the deficiencies in the prior art, has designed a kind of eccentric injection mandrel that can adapt to big discharge capacity.Its design scheme is: linked splicing sleeve, the seating nipple that connects and be connected oil-field flooding and the big discharge capacity injection well downhole flow regulator that tube head constitutes down by last connection tube head spiral shell successively.In splicing sleeve the adherent C of being provided with tee section set upright tube, set upright the following upper surface of continuing to use screw and seating nipple of tube and fix.Having water injection hole on the tube wall corresponding to the seating nipple below the C shape mouth of setting upright tube, is the input chamber of water distribution plug in the tube wall of water injection hole.Connecting the consistent guide cylinder that is provided with the C tee section of C shape mouth direction that pastes tube wall in the tube head and set upright tube down, guide cylinder fixes with screw with the following tube wall that is connected tube head.From adapter sleeve, seating nipple to the tubing string more than the guide cylinder that connects tube head down is to be axis with center line a.Last connection tube head, set upright the internal channel of tube, seating nipple, to guide cylinder, and what connect tube head down is axis with eccentric shaft b all from the pipeline section below the guide cylinder.It is to be axis with discored shaft c that water distribution plug is thrown in the chamber.The upper edge of the input chamber of water distribution plug is the blanking plug seat of toroidal, and throwing in the chamber is columnar cavity, and its eccentric space diameter can reach 21～29 millimeters.
The big discharge capacity injection well downhole flow regulator of water injection well in oil fields of the present utility model is compared with prior art: the maximum gauge of water distribution mouth reaches 16 millimeters, has increased 50%; Water injection rate can increase by 3～4 times.It is also very convenient to have satisfied underground work such as the oil field is stable, reliable, the demand of discharge capacity water filling, and salvaging greatly, input test.
Description of drawings
Figure of description is the vertical section structure schematic diagram of the big discharge capacity injection well downhole flow regulator of water injection well in oil fields of the present utility model.
Embodiment
The embodiment that narrates the big discharge capacity injection well downhole flow regulator of water injection well in oil fields of the present utility model in conjunction with Figure of description is: its main body is to be linked splicing sleeve (2), the seating nipple (3) that connects and be connected tube head (4) down by last connection tube head (1) spiral shell successively to constitute.In the splicing sleeve (2) the adherent C of having tee section set upright tube (5), the following upper surface of continuing to use screw (6) and seating nipple (3) of setting upright tube (5) fixes; On the tube wall corresponding to the seating nipple (3) below the C shape mouth of setting upright tube (5) water injection hole (7) being arranged, is the input chamber (8) of water distribution plug in the tube wall of water injection hole (7).Paste tube wall and the consistent guide cylinder that the C tee section is arranged (9) of C shape mouth direction of setting upright tube (5) in connecting tube head (4) down, guide cylinder (9) is fixing with screw (10) with the tube wall that is connected tube head (4) down.From adapter sleeve (2), seating nipple (3), to the tubing string more than the guide cylinder (9) that connects tube head (4) down is to be axis with center line a.Last connection tube head (1), set upright the internal channel (11) of tube (5), seating nipple (3), to guide cylinder (9) and what connect tube head (4) down is axis with eccentric shaft b all from the pipeline section below the guide cylinder (9).It is to be axis with discored shaft c that water distribution plug is thrown in chamber (8).The upper edge of the input chamber (8) of water distribution plug is the blanking plug seat (12) of toroidal, and throwing in chamber (8) is that diameter is 21～29 millimeters a cylindrical cavity.Connect down on the inner surface of the guide cylinder (9) in the tube head (4) guiding helicoid (13) is arranged.
Claims (3)
1, the big discharge capacity injection well downhole flow regulator of water injection well in oil fields be by last connection tube head (1) spiral shell successively link the splicing sleeve (2) that connects, seating nipple (3) with under be connected tube head (4) and constitute, what it is characterized in that the adherent C of being provided with tee section in the splicing sleeve (2) wherein sets upright tube (5), and the following upper surface of continuing to use screw (6) and seating nipple (3) of setting upright tube (5) fixes; Having water injection hole (7) on the tube wall corresponding to the seating nipple (3) below the C shape mouth of setting upright tube (5), is the input chamber (8) of water distribution plug in the tube wall of water injection hole (7); In connecting tube head (4) down, paste tube wall and the consistent guide cylinder that is provided with the C tee section (9) of C shape mouth direction of setting upright tube (5); Guide cylinder (9) fixes with screw (10) with the tube wall that is connected tube head (4) down; From adapter sleeve (2), seating nipple (3) to the tubing string more than the guide cylinder (9) that connects tube head (4) down is to be axis with center line a, last connection tube head (1), set upright tube (5), seating nipple (3) internal channel (11) to guide cylinder (9) and what connect tube head (4) down is axis with eccentric shaft b all from the pipeline section guide cylinder (9) below, water distribution plug input chamber (8) is to be axis with discored shaft c.
2, the big discharge capacity injection well downhole flow regulator of water injection well in oil fields as claimed in claim 1, the upper edge that it is characterized in that the input chamber (8) of water distribution plug wherein are the blanking plug seats (12) of toroidal, and throwing in chamber (8) is that diameter is 21～29 millimeters a cylindrical cavity.
3, the big discharge capacity injection well downhole flow regulator of water injection well in oil fields as claimed in claim 1 or 2 is characterized in that on the inner surface of the guide cylinder (9) in wherein the following connection tube head (4) guiding helicoid (13) being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320111441 CN2661920Y (en) | 2003-10-12 | 2003-10-12 | High displacement water distributor of oil field water injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320111441 CN2661920Y (en) | 2003-10-12 | 2003-10-12 | High displacement water distributor of oil field water injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2661920Y true CN2661920Y (en) | 2004-12-08 |
Family
ID=34344256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320111441 Expired - Fee Related CN2661920Y (en) | 2003-10-12 | 2003-10-12 | High displacement water distributor of oil field water injection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2661920Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150145A (en) * | 2016-12-06 | 2018-06-12 | 中国石油天然气股份有限公司 | Injection well downhole flow regulator |
| CN108166958A (en) * | 2017-12-26 | 2018-06-15 | 四川省科学城久利电子有限责任公司 | A kind of shunting intelligent watering device for oil field big flow water filling |
-
2003
- 2003-10-12 CN CN 200320111441 patent/CN2661920Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150145A (en) * | 2016-12-06 | 2018-06-12 | 中国石油天然气股份有限公司 | Injection well downhole flow regulator |
| CN108166958A (en) * | 2017-12-26 | 2018-06-15 | 四川省科学城久利电子有限责任公司 | A kind of shunting intelligent watering device for oil field big flow water filling |
| CN108166958B (en) * | 2017-12-26 | 2020-07-03 | 四川省科学城久利电子有限责任公司 | A shunting intelligence injection mandrel for large-traffic water injection in oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |