CN201695995U - Sand settling type bottom ball - Google Patents
Sand settling type bottom ball Download PDFInfo
- Publication number
- CN201695995U CN201695995U CN2010202538923U CN201020253892U CN201695995U CN 201695995 U CN201695995 U CN 201695995U CN 2010202538923 U CN2010202538923 U CN 2010202538923U CN 201020253892 U CN201020253892 U CN 201020253892U CN 201695995 U CN201695995 U CN 201695995U
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- screw thread
- valve
- hole
- external screw
- adjacent
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- 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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- Taps Or Cocks (AREA)
- Valve Housings (AREA)
Abstract
The utility model discloses a sand settling type bottom ball for a water injection well of an oil field, consisting of an upper joint (1), an outer pipe (2), a sand cap (4), a valve cover (5), a valve ball (6), a valve seat (7), a supporting seat (9), a spring (11), a middle joint (14) and a shunt joint (16), wherein the shunt joint (16) is provided with a radial through hole (15), an axial hole (20) and blind holes (21 and 22); the blind hole (21) is provided with an inner thread; an inner hole of the middle joint (14) is provided with the spring (11); the sand cap (4) is connected with the valve cover (5) by threads and is internally provided with the valve ball (6); the valve cover (5) is provided with the valve seat (7) and the supporting seat (9); the middle joint (14) is connected with the shunt joint (16) by threads; the outer pipe (2) is sheathed on the sand cap (4); and the excircles of the valve cover (5) and the middle joint (14) are respectively connected with the upper joint (1) and the shunt joint (16) by threads. The sand settling type bottom ball has the characteristics of preventing the valve from being buried and polluted and the like.
Description
One, technical field:
The utility model relates to ball at the bottom of a kind of sand setting formula, is a kind of supporting instrument of water injection well in oil fields tubing string that is used for, and belongs to oil field downhole tool class.
Two, background technology:
At present, field use is the ball-and-seat formula at the end of water injection well ball substantially, has two aspect problems: the one, and valve ball unprotect device is easily buried by deposits such as sand setting, rust deposites, causes valve ball not open, and can not implement normal well-flushing, influences water-injection efficiency; The 2nd, can not draining, emit spray to carry when causing working string, both made troubles to site operation, pollute environment again.The patent No. has only solved the draining problem for 200620084033.X provides ball at the bottom of the pressure release type, does not prevent the function that valve ball is buried.
Three, summary of the invention:
The purpose of this utility model is: provide a kind of and can prevent that valve ball from being buried, can solve ball at the bottom of the sand setting formula of draining problem again.
The utility model is achieved in that the utility model is by top connection, outer tube, sealing ring, the sand cap, valve bonnet, valve ball, valve seat, supporting seat, spring, transition joint and tap are formed, there is an external screw thread cylindrical upper end of tap, adjacent one section face of cylinder on the external screw thread, there is one group of radial direction through hole at the cylindrical middle part, there are two not connected blind holes at the center of both ends of the surface, in the upper end of last blind hole one internal thread is arranged, adjacent one section face of cylinder on the internal thread, one group of axial hole that communicates with blind hole is arranged on the tap upper surface, axial hole and radial direction through hole are not connected, there is a tubing round thread its lower end, there is an external screw thread lower end of transition joint, an adjacent cannelure built-in ring on the external screw thread, endoporus is up big and down small shoulder hole, hole, big footpath built-in spring, there is an external screw thread its cylindrical upper end, an adjacent cannelure built-in ring under the external screw thread, there is an internal thread endoporus lower end of valve bonnet, there is an inner convex platform at the middle part, adjacent one group of radial direction through hole or groove on the inner convex platform, there is a screw thread endoporus upper end, the upper end of sand cap is a frustum type, the lower end is threaded with valve bonnet, there are a taper seat or arc surface in valve seat endoporus upper end, its cylindrical has a cannelure built-in ring, there is an outer lug boss cylindrical lower end of supporting seat, valve ball is placed on the upper end of valve seat, valve seat is inserted to the lower end of valve bonnet inner convex platform (18), the outer lug boss top of supporting seat is inserted in the endoporus of valve seat, valve bonnet is with after transition joint is threaded, the upper surface of supporting seat outer lug boss contacts with valve seat, the lower surface contacts with spring, the lower end screw thread of transition joint is threaded with tap, there is an external screw thread cylindrical lower end of top connection, the down adjacent one section face of cylinder of external screw thread, the upper and lower side of outer tube has screw thread respectively, an inner adjacent cannelure built-in ring of screw thread, an adjacent step in the cannelure, outer tube be sleeved on the sand cap after top connection is threaded, on the cylindrical of valve bonnet and transition joint, the lower end of outer tube is threaded with tap, this connects the back and forms the circular passage, and the circular passage communicates with axial hole and blind hole and constitutes the sand setting runner.
The utility model beneficial effect is: effectively solves valve ball and buried, guarantee that well-flushing is unimpeded, improve water-injection efficiency, can draining during operation, and make things convenient for site operation, prevent contaminated environment.
Four, description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model.
Among Fig. 1: 1-top connection, 2-outer tube, 3,8,10,12, the 13-sealing ring, 4-sand cap, 5-valve bonnet, 6-valve ball, the 7-valve seat, 9-supporting seat, 11-spring, 14-transition joint, 15, the 17-radial direction through hole, the 16-tap, 18-inner convex platform, 19-circular passage, 20-axial hole, 21, the 22-blind hole
Five, embodiment:
Below in conjunction with accompanying drawing embodiment of the present utility model is further elaborated:
The utility model is by top connection (1), outer tube (2), sealing ring (3), (8), (10), (12), (13), sand cap (4), valve bonnet (5), valve ball (6), valve seat (7), supporting seat (9), spring (11), transition joint (14) and tap (16) are formed, there is an external screw thread cylindrical upper end of tap (16), adjacent one section face of cylinder on the external screw thread, there is one group of radial direction through hole (15) at the cylindrical middle part, two the not connected blind holes in the center of both ends of the surface (21), (22), there is an internal thread upper end in blind hole (21), adjacent one section face of cylinder on the internal thread, one group of axial hole (20) that communicates with blind hole (22) is arranged on tap (16) upper surface, axial hole (20) is not connected with radial direction through hole (15), there is a tubing round thread its lower end, also lower body and its upper body of lower end tubing round thread and blind hole (22) formation can be divided into two bodies, there is an external screw thread lower end of transition joint (14), an adjacent cannelure built-in ring (13) on the external screw thread, endoporus is up big and down small shoulder hole, big footpath hole built-in spring (11), there is an external screw thread its cylindrical upper end, an adjacent cannelure built-in ring (10) under the external screw thread, there is an internal thread endoporus lower end of valve bonnet (5), there is an inner convex platform (18) at the middle part, inner convex platform (18) is gone up adjacent one group of radial direction through hole or groove (17), there is a screw thread endoporus upper end, the upper end of sand cap (4) is a frustum type, the lower end is threaded with valve bonnet (5), there are a taper seat or arc surface in valve seat (7) endoporus upper end, its cylindrical has a cannelure built-in ring (8), there is an outer lug boss cylindrical lower end of supporting seat (9), valve ball (6) is placed on the upper end of valve seat (7), valve seat (7) is inserted to the lower end of valve bonnet (5) inner convex platform (18), the outer lug boss top of supporting seat (9) is inserted in the endoporus of valve seat (7), valve bonnet (5) is with after transition joint (14) is threaded, the upper surface of supporting seat (9) outer lug boss contacts with valve seat (7), the lower surface contacts with spring (11), the lower end screw thread of transition joint (14) is threaded with tap (16), there is an external screw thread cylindrical lower end of top connection (1), the down adjacent one section face of cylinder of external screw thread, the upper and lower side of outer tube (2) has screw thread respectively, an inner adjacent cannelure built-in ring (3) of screw thread, (12), an adjacent step in the cannelure, outer tube (2) be sleeved on sand cap (4) after top connection (1) is threaded, on the cylindrical of valve bonnet (5) and transition joint (14), the lower end of outer tube (2) is threaded with tap (16), this connects the back and forms circular passage (19), and circular passage (19) communicate with axial hole (20) and blind hole (22) and constitute the sand setting runner.
Claims (3)
1. ball at the bottom of the sand setting formula, by top connection (1), outer tube (2), sealing ring (3,8,10,12,13), sand cap (4), valve bonnet (5), valve ball (6), valve seat (7), supporting seat (9), spring (11), transition joint (14) and tap (16) are formed, it is characterized in that: there is an external screw thread cylindrical upper end of tap (16), adjacent one section face of cylinder on the external screw thread, the center, two ends has blind hole (21 respectively, 22), there is an internal thread upper end in blind hole (21), adjacent one section face of cylinder on the internal thread, one group of axial hole (20) is arranged on the upper surface, there is a tubing round thread its lower end, there is an external screw thread lower end of transition joint (14), an adjacent cannelure built-in ring (13) on the external screw thread, endoporus is up big and down small shoulder hole, big footpath hole built-in spring (11), there is an external screw thread its cylindrical upper end, an adjacent cannelure built-in ring (10) under the external screw thread, there is an internal thread endoporus lower end of valve bonnet (5), there is an inner convex platform (18) at the middle part, inner convex platform (18) is gone up adjacent one group of radial direction through hole or groove (17), there is a screw thread endoporus upper end, the upper end of sand cap (4) is a frustum type, the lower end is threaded with valve bonnet (5), there are a taper seat or arc surface in valve seat (7) endoporus upper end, its cylindrical has a cannelure built-in ring (8), there is an outer lug boss cylindrical lower end of supporting seat (9), valve ball (6) is placed on the upper end of valve seat (7), valve seat (7) is inserted to the lower end of valve bonnet (5) inner convex platform (18), the outer lug boss top of supporting seat (9) is inserted in the endoporus of valve seat (7), valve bonnet (5) is with after transition joint (14) is threaded, the outer lug boss upper surface of supporting seat (9) contacts with valve seat (7), the lower surface contacts with spring (11), the lower end screw thread of transition joint (14) is threaded with tap (16), there is an external screw thread cylindrical lower end of top connection (1), the down adjacent one section face of cylinder of external screw thread, the upper and lower side of outer tube (2) has screw thread respectively, an inner adjacent cannelure built-in ring (3 of screw thread, 12), an adjacent step in the cannelure, outer tube (2) be sleeved on sand cap (4) after top connection (1) is threaded, on the cylindrical of valve bonnet (5) and transition joint (14), the lower end of outer tube (2) is threaded with tap (16), this connects the back and forms circular passage (19), and circular passage (19) communicate with axially extending bore (20) and interior blind hole (22) and constitute the sand setting runner.
2. according to ball at the bottom of the said sand setting formula of claim (1), it is characterized in that: the cylindrical middle part of tap (16) has one group of radial direction through hole (15) to communicate with blind hole (21), two blind holes (21,22) are not connected, axial hole (20) communicates with blind hole (22), and not connected with radial direction through hole (15).
3. according to ball at the bottom of the said sand setting formula of claim (1), it is characterized in that: tap (16) also can be divided into two bodies by lower body and its upper body that lower end tubing round thread and blind hole (22) constitute with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202538923U CN201695995U (en) | 2010-07-03 | 2010-07-03 | Sand settling type bottom ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202538923U CN201695995U (en) | 2010-07-03 | 2010-07-03 | Sand settling type bottom ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201695995U true CN201695995U (en) | 2011-01-05 |
Family
ID=43397235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202538923U Expired - Fee Related CN201695995U (en) | 2010-07-03 | 2010-07-03 | Sand settling type bottom ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201695995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192137A (en) * | 2011-05-23 | 2011-09-21 | 杭州佳湖科技有限公司 | Sand preventing rod pump for coal-bed gas exploitation |
| CN105587286A (en) * | 2014-10-23 | 2016-05-18 | 中国石油化工股份有限公司 | Anti-losing well-flushing packer |
-
2010
- 2010-07-03 CN CN2010202538923U patent/CN201695995U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192137A (en) * | 2011-05-23 | 2011-09-21 | 杭州佳湖科技有限公司 | Sand preventing rod pump for coal-bed gas exploitation |
| CN105587286A (en) * | 2014-10-23 | 2016-05-18 | 中国石油化工股份有限公司 | Anti-losing well-flushing packer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20110703 |