CN204386580U - Scalable ball seat mechanism on a kind of pitching sliding sleeve of improvement - Google Patents
Scalable ball seat mechanism on a kind of pitching sliding sleeve of improvement Download PDFInfo
- Publication number
- CN204386580U CN204386580U CN201520025763.1U CN201520025763U CN204386580U CN 204386580 U CN204386580 U CN 204386580U CN 201520025763 U CN201520025763 U CN 201520025763U CN 204386580 U CN204386580 U CN 204386580U
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- Prior art keywords
- counting ball
- support bar
- ball
- counting
- activation link
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- Expired - Fee Related
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- 230000004913 activation Effects 0.000 claims abstract description 27
- 239000003208 petroleum Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to the scalable ball seat mechanism on a kind of pitching sliding sleeve of improvement, and comprise ball seat body and telescoping tee, telescoping tee is divided into pintongs; Telescoping tee is arranged in the mounting groove of ball seat body, and activation link is connected with telescoping tee with activation link retainer ring through activation link spring; Activation link spring one end withstands activation link retainer ring, and the other end then withstands telescoping tee, and activation link retainer ring screw thread is fixed in hole corresponding with telescoping tee mounting groove on ball seat body; In described ball seat body, horizontally set through hole, is installed with counting ball stage clip in through hole successively, counting ball push rod, counting ball, counting ball support bar spring, and counting ball support bar and counting ball support bar block up; Counting ball support bar is stifled fixing with being threaded with ball seat body, and one end of counting ball support bar is blocked up through counting ball support bar, and the other end provides support for counting ball through counting ball support bar spring.The utility model is mainly used in petroleum industry.
Description
Technical field
The utility model belongs to the technical field of improvement of well production increment transformation segmentation acid fracturing pitching sliding sleeve screen casing, the scalable ball seat mechanism on the pitching sliding sleeve of particularly a kind of improvement.
Background technology
The pitching sliding sleeve screen casing of current use, by well head pitching, is treated to take a seat ball making builds the pressure in pipe to open screen casing.The signal ball used for making rear stage screen casing can smoothly by the ball seat of previous stage screen casing, and the ball seat of pitching screen casing must reduce step by step, thus cannot ensure the effective drift diameter of tubing string.For addressing this problem, pitching sliding sleeve screen casing uses drillable ball seat usually, after fulfiling assignment, ball seat is bored mill and remove, thus ensure tubing string latus rectum, but this method cannot be applicable to heavy duty service.
Summary of the invention
The purpose of this utility model is: provide a kind of scalable ball seat mechanism solution ball-throwing type sliding sleeve screen casing cannot ensure to manage the problem of interior effective drift diameter.
The technical scheme solving the problems of the technologies described above employing is: the scalable ball seat mechanism on a kind of pitching sliding sleeve of improvement, and comprise ball seat body and telescoping tee that is expansible and that shrink, described telescoping tee is divided into pintongs, and every lobe link is half concavity; Described telescoping tee is arranged in the mounting groove of ball seat body, and activation link is connected with telescoping tee with activation link retainer ring through activation link spring; Activation link spring one end withstands activation link retainer ring, and the other end then withstands telescoping tee, and activation link retainer ring screw thread is fixed in hole corresponding with telescoping tee mounting groove on ball seat body; In described ball seat body, horizontally set through hole, is installed with counting ball stage clip in through hole successively, counting ball push rod, counting ball, counting ball support bar spring, and counting ball support bar and counting ball support bar block up; Counting ball support bar is stifled fixing with being threaded with ball seat body, and one end of counting ball support bar is blocked up through counting ball support bar, and the other end provides support for counting ball through counting ball support bar spring.
The beneficial effects of the utility model: solve the problem that existing pitching sliding sleeve sieve tube ball seat cannot ensure effective drift diameter.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is main TV structure sectional view of the present utility model; Fig. 2 is the stereogram of telescoping tee of the present utility model knot; Fig. 3 is operating principle schematic diagram of the present utility model.
Detailed description of the invention
Scalable ball seat mechanism on the pitching sliding sleeve of embodiment 1, a kind of improvement, as shown in Figures 1 and 2, comprise ball seat body 5 and telescoping tee 11 that is expansible and that shrink, described telescoping tee 11 is divided into pintongs, and every lobe link is half concavity 12; Described telescoping tee 11 is arranged in the mounting groove of ball seat body 5, and activation link 7 is connected with telescoping tee 11 with activation link retainer ring 3 through activation link spring 4; Activation link retainer ring 3 is withstood in activation link spring 4 one end, and the other end then withstands telescoping tee 11, and activation link retainer ring 3 screw thread is fixed in hole corresponding with telescoping tee 11 mounting groove on ball seat body 5; In described ball seat body 5, horizontally set through hole, is installed with counting ball stage clip 2 in through hole successively, counting ball push rod 1, counting ball 6, counting ball support bar spring 8, counting ball support bar 9 and counting ball support bar stifled 10; Counting ball support bar is stifled 10 fixing with being threaded with ball seat body 5, and one end of counting ball support bar 9 is through counting ball support bar stifled 10, and the other end provides support for counting ball 6 through counting ball support bar spring 8.
When telescoping tee 11 is expanded as shown in Figure 3, drive activation link 7 that counting ball 6 is released original position.Telescoping tee 11 shrinks under the effect of activation link spring 4, and counting ball 6 is extruded by counting ball push rod 1 under the effect of counting ball stage clip 2, and block the end face of activation link 7, now telescoping tee 11 cannot continue expansion.
Claims (1)
1. the scalable ball seat mechanism on the pitching sliding sleeve improved, comprise ball seat body (5) and telescoping tee (11) that is expansible and that shrink, it is characterized in that: described telescoping tee (11) is divided into pintongs, every lobe link is half concavity (12); Described telescoping tee (11) is arranged in the mounting groove of ball seat body (5), and activation link (7) is connected with telescoping tee (11) with activation link retainer ring (3) through activation link spring (4); Activation link retainer ring (3) is withstood in activation link spring (4) one end, and the other end then withstands telescoping tee (11), and activation link retainer ring (3) screw thread is fixed in the upper hole corresponding with telescoping tee (11) mounting groove of ball seat body (5); In described ball seat body (5), horizontally set through hole, counting ball stage clip (2) is installed successively, counting ball push rod (1) in through hole, counting ball (6), counting ball support bar spring (8), counting ball support bar (9) and counting ball support bar stifled (10); Counting ball support bar stifled (10) is fixing with being threaded with ball seat body (5), and one end of counting ball support bar (9) is through counting ball support bar stifled (10), and the other end provides support for counting ball (6) through counting ball support bar spring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025763.1U CN204386580U (en) | 2015-01-15 | 2015-01-15 | Scalable ball seat mechanism on a kind of pitching sliding sleeve of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025763.1U CN204386580U (en) | 2015-01-15 | 2015-01-15 | Scalable ball seat mechanism on a kind of pitching sliding sleeve of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204386580U true CN204386580U (en) | 2015-06-10 |
Family
ID=53359311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520025763.1U Expired - Fee Related CN204386580U (en) | 2015-01-15 | 2015-01-15 | Scalable ball seat mechanism on a kind of pitching sliding sleeve of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204386580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594856A (en) * | 2015-01-15 | 2015-05-06 | 新疆罡拓能源科技有限公司 | Full-diameter slide bushing sieve tube for oil and gas reservoir segmented acid fracturing |
-
2015
- 2015-01-15 CN CN201520025763.1U patent/CN204386580U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594856A (en) * | 2015-01-15 | 2015-05-06 | 新疆罡拓能源科技有限公司 | Full-diameter slide bushing sieve tube for oil and gas reservoir segmented acid fracturing |
| CN104594856B (en) * | 2015-01-15 | 2017-06-13 | 新疆罡拓能源科技有限公司 | A kind of full-bore sliding sleeve screen casing that acid fracturing is segmented for oil-gas reservoir |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 |