CN201756946U - Ball-type deep-well tubing bridge plug - Google Patents
Ball-type deep-well tubing bridge plug Download PDFInfo
- Publication number
- CN201756946U CN201756946U CN2010202810867U CN201020281086U CN201756946U CN 201756946 U CN201756946 U CN 201756946U CN 2010202810867 U CN2010202810867 U CN 2010202810867U CN 201020281086 U CN201020281086 U CN 201020281086U CN 201756946 U CN201756946 U CN 201756946U
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- Prior art keywords
- ball
- core pipe
- cone
- deep well
- shear pin
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Abstract
The utility model provides a ball-type deep-well tubing bridge plug, which comprises a core tube, a fixing shear pin, a ball seat, a ball, a ball sleeve, a conical shear pin, a cone, a rubber drum, an outer sleeve, a clamp spring seat, a positioning shear pin, a clamp spring, a locking ring, an unsealing shear pin and an impact head by the aid of connection. When the ball-type deep-well tubing bridge plug runs downwards inside a tubing column by the aid of gravity, the impact head is disconnected with the core tube and moves towards the upper side of the tubing column when being blocked and collided, at the moment the piston runs upwards along the core tube under the action of pressure of liquid inside the tubing column, the cone is pushed to move towards the upper portion of the core tube by the aid of the rubber drum, and simultaneously the rubber drum can seal a tubing under the action of upward squeezing of the outer sleeve. The ball-type deep-well tubing bridge plug is simple in setting process and can reduce field operation difficulty and work load.
Description
Technical field
The utility model relates to oil field oil, gas, well operation blowout prevention technology field, relates in particular to a kind of ball formula TUBE IN DEEP WELL bridging plug.
Background technology
At present, in the oil in the oil field, gas, the job execution of well lift pipe string, need prevent the inner overflow usefulness of oil pipe with tubing plug.But tubing plug of the prior art is subjected to down-hole string situation restriction bigger, generally needs the tubing string bottom that the supporting joint that is located in is arranged, and makes the technology more complicated of tubing plug.
The utility model content
The technical problems to be solved in the utility model provides a kind of ball formula TUBE IN DEEP WELL bridging plug, can reduce construction operation difficulty and workload.
For solving the problems of the technologies described above, embodiment of the present utility model provides technical scheme as follows:
A kind of ball formula TUBE IN DEEP WELL bridging plug comprises:
One core pipe;
Be sheathed on a cone on described core pipe top;
Also be set with a ball seat on the described cone, described ball seat is fixed on the described core pipe, is provided with three above balls in the space that described ball seat and described core pipe form;
Described cone comprises one towards described ball, and can push described ball in described cone when move on core pipe top, makes described spherical zone move the conical surface of described ball seat to outer lug;
Be sheathed on an overcoat of described core pipe bottom, described overcoat inside is provided with the jump ring device that is fixed on the described core pipe;
Under the motion effect of described overcoat, can promote the packing element that described cone moves to described core pipe top, be sheathed on the described core pipe and between described cone and described overcoat;
And, be connected with described core pipe bottom, and can disconnect the bump head that is connected with described core pipe when bump takes place being hampered;
Described overcoat is connected with described bump head by a linkage, thereby remains on described core pipe bottom.
Wherein, described ball seat is fixed on described core pipe top by fixing shear pin.
Wherein, described cone is fixed on described core pipe top by the cone shear pin.
Wherein, described jump ring device is fixed on the described core pipe by the location shear pin.
Wherein, described jump ring device and described overcoat mesh together.
Wherein, described bump head is connected with described core pipe by the unpacking shear pin.
Wherein, described linkage is a lock ring.
Wherein, described outer being enclosed within the effect of described jump ring device kept the grappling attitude of the sealing shape and the described ball of described packing element.
Embodiment of the present utility model has following beneficial effect:
In the such scheme, as long as connect weighted lever on the ball formula TUBE IN DEEP WELL bridging plug with present embodiment, this ball formula TUBE IN DEEP WELL bridging plug is dropped in the tubing string, under enough pressure, this ball formula TUBE IN DEEP WELL bridging plug bottom is hampered and can uply be stuck in box cupling recess between two oil pipes, and seals up oil pipe.Present embodiment input technology is simple, can reduce construction operation difficulty and workload, saves producing cost.
Description of drawings
Fig. 1 is an embodiment ball formula TUBE IN DEEP WELL bridging plug structural representation of the present utility model.
The specific embodiment
For technical problem, technical scheme and advantage that embodiment of the present utility model will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment of the present utility model needs the supporting joint that is located at tubing plug in the prior art, and the problem of complex process provides a kind of ball formula TUBE IN DEEP WELL bridging plug, and input technology is simple, can reduce construction operation difficulty and workload.
Fig. 1 is an embodiment ball formula TUBE IN DEEP WELL bridging plug structural representation of the present utility model, as shown in Figure 1, the ball formula TUBE IN DEEP WELL bridging plug of present embodiment is by core pipe 1, fixedly shear pin 2, ball seat 3, ball 4, ball cover 5, cone shear pin 6, cone 7, packing element 8, overcoat 9, clip spring seat 10, location shear pin 11, jump ring 12, lock ring 13, unpacking shear pin 14, bump 15 connects and composes.
Wherein, ball seat 3 and cone 7 are sleeved on together, are fixed in core pipe 1 top by fixing shear pin 2, and the conical surface of cone 7 is fixed in core pipe 1 top towards the top of core pipe 1 by cone shear pin 6.Be provided with ball 4 in the space that ball seat 3 and core pipe 1 form, the effect of ball 4 is grapplings, generally needs more than three odd number the best at least.The conical surface of cone 7 is towards ball 4, and cone 7 by conical surface extrusion ball 4, makes ball 4 drive ball seat 3 to outer lug when move on core pipe 1 top like this.
Bump 15 is connected with core pipe 1 by unpacking shear pin 14, overcoat 9 by lock ring 13 with clash into 15 and be connected, be fixed in core pipe 1 bottom.Overcoat 9 inside are provided with clip spring seat 10, and clip spring seat 10 is provided with jump ring 12, and clip spring seat 10 and jump ring 12 are formed the jump ring device, clip spring seat 10 is fixed on the core pipe 1 by location shear pin 11, and clip spring seat 10 meshes together with overcoat 9, prevents behind lift pipe string, overcoat 9 travelling backwards cause deblocking.Packing element 8 is between cone 7 and overcoat 9.
After ball formula TUBE IN DEEP WELL bridging plug top connects weighted lever, put into tubing string inside, after closing tubing string, ball formula TUBE IN DEEP WELL bridging plug is descending by gravity, after bottom bump 15 is hampered, unpacking shear pin 14 severs, and bump 15 is up, and lock ring 13 loses and supports the back to core pipe 1 inner moving, overcoat 9 in tubing string oil with other fluid pressure effect under up, core pipe 1, overcoat 9, the air chamber compression of the sealing that forms between the clip spring seat 10, overcoat 9 upwards compresses packing element 8, and packing element 8 promotes cone 7 and moves upward, ball 4 is pushed the layman, when ball 4 is gone to two tubing couplings place, lock in recess, packing element 8 seals up oil pipe simultaneously.Overcoat 9 is kept the grappling attitude of the sealing shape and the ball 4 of packing element 8 under the effect of jump ring 12.
If still overflow of oil pipe after a period of time, just ball formula TUBE IN DEEP WELL bridging plug does not work, illustrate that ball formula TUBE IN DEEP WELL bridging plug does not put in place or puts in place down less than unpacking, available pump truck water squeezing this moment compels that it is descending and set, especially inclined shaft is prone to situation not in place under the ball formula TUBE IN DEEP WELL bridging plug, available pump truck cooperating.
If desired to the oil pipe deblocking, when tripping out tubing string, turn on the ball formula TUBE IN DEEP WELL bridging plug that the oil pipe of 4 grapplings of ball can take out present embodiment with unloading deduction.
Connect weighted lever on the ball formula TUBE IN DEEP WELL bridging plug of present embodiment, as long as the tubing string degree of depth is greater than 600 meters, just can produce the pressure that sets more than the 6Mpa in the tubing string, this ball formula TUBE IN DEEP WELL bridging plug is dropped in the tubing string, this ball formula TUBE IN DEEP WELL bridging plug bottom is hampered and can uply be stuck in box cupling recess between two oil pipes, and seals up oil pipe.Present embodiment input technology is simple, and the sealing of compression packing element is reliable, can reduce construction operation difficulty and workload, saves producing cost.As long as the tubing string degree of depth is greater than 600 meters, undergauge is arranged at the bottom, all can adopt the ball formula TUBE IN DEEP WELL bridging plug of present embodiment to seal oil pipe.
The above is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a ball formula TUBE IN DEEP WELL bridging plug is characterized in that, comprising:
One core pipe;
Be sheathed on a cone on described core pipe top;
Also be set with a ball seat on the described cone, described ball seat is fixed on the described core pipe, is provided with three above balls in the space that described ball seat and described core pipe form;
Described cone comprises one towards described ball, and can push described ball in described cone when move on core pipe top, makes described spherical zone move the conical surface of described ball seat to outer lug;
Be sheathed on an overcoat of described core pipe bottom, described overcoat inside is provided with the jump ring device that is fixed on the described core pipe;
Under the motion effect of described overcoat, can promote the packing element that described cone moves to described core pipe top, be sheathed on the described core pipe and between described cone and described overcoat;
And, be connected with described core pipe bottom, and can disconnect the bump head that is connected with described core pipe when bump takes place being hampered;
Described overcoat is connected with described bump head by a linkage, thereby remains on described core pipe bottom.
2. ball formula TUBE IN DEEP WELL bridging plug according to claim 1 is characterized in that, described ball seat is fixed on described core pipe top by fixing shear pin.
3. ball formula TUBE IN DEEP WELL bridging plug according to claim 1 is characterized in that described cone is fixed on described core pipe top by the cone shear pin.
4. ball formula TUBE IN DEEP WELL bridging plug according to claim 1 is characterized in that, described jump ring device is fixed on the described core pipe by the location shear pin.
5. ball formula TUBE IN DEEP WELL bridging plug according to claim 1 is characterized in that described jump ring device and described overcoat mesh together.
6. ball formula TUBE IN DEEP WELL bridging plug according to claim 1 is characterized in that, described bump head is connected with described core pipe by the unpacking shear pin.
7. ball formula TUBE IN DEEP WELL bridging plug according to claim 1 is characterized in that described linkage is a lock ring.
8. ball formula TUBE IN DEEP WELL bridging plug according to claim 1 is characterized in that, described outer being enclosed within the effect of described jump ring device kept the grappling attitude of the sealing shape and the described ball of described packing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202810867U CN201756946U (en) | 2010-08-03 | 2010-08-03 | Ball-type deep-well tubing bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202810867U CN201756946U (en) | 2010-08-03 | 2010-08-03 | Ball-type deep-well tubing bridge plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201756946U true CN201756946U (en) | 2011-03-09 |
Family
ID=43644218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202810867U Expired - Lifetime CN201756946U (en) | 2010-08-03 | 2010-08-03 | Ball-type deep-well tubing bridge plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201756946U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817565A (en) * | 2012-08-23 | 2012-12-12 | 天津市广林石油机械有限公司 | Downhole intra-tube support device |
| CN103132939A (en) * | 2012-12-21 | 2013-06-05 | 贵州航天凯山石油仪器有限公司 | Anchoring method and device of intelligent casting-pulling instrument |
-
2010
- 2010-08-03 CN CN2010202810867U patent/CN201756946U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817565A (en) * | 2012-08-23 | 2012-12-12 | 天津市广林石油机械有限公司 | Downhole intra-tube support device |
| CN103132939A (en) * | 2012-12-21 | 2013-06-05 | 贵州航天凯山石油仪器有限公司 | Anchoring method and device of intelligent casting-pulling instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TOP-WELL PETROLEUM TECHNOLOGIES COMPANY LTD. Free format text: FORMER OWNER: BEIJING TOP-WELL PETROLEUM TECHNOLOGIES SERVICE COMPANY LTD. Effective date: 20121116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121116 Address after: 100012, room 32, security building, 2101 Beiyuan Road, Beijing, Chaoyang District Patentee after: Top-Well Petroleum Technologies Company Ltd. Address before: 100012, room 32, security building, 2101 Beiyuan Road, Beijing, Chaoyang District Patentee before: Top Well Services Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110309 |