CN211258566U - Novel controllable ball seat of titanium - Google Patents
Novel controllable ball seat of titanium Download PDFInfo
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- CN211258566U CN211258566U CN201922024893.4U CN201922024893U CN211258566U CN 211258566 U CN211258566 U CN 211258566U CN 201922024893 U CN201922024893 U CN 201922024893U CN 211258566 U CN211258566 U CN 211258566U
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- ball seat
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- body frame
- well
- titanium
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Abstract
The utility model provides a novel controllable ball seat of titanium. The novel titanium controllable ball seat comprises: a main body frame; the bottom of the upper joint is fixed on the left side of the top of the main body frame, and the top of the upper joint is fixedly connected with an upper connecting sleeve; the bottom of the sealing piston is fixed to the top of the main body frame and is positioned on the left side of the upper joint and the top of the upper connecting sleeve; and the bottom of the valving ball seat is fixed at the top of the main body frame. The utility model provides a pair of novel controllable ball seat of titanium has, prevents that later stage well is well washing, and too much junk is carried upward to return in the sand washing will the well, causes incident such as tubular column card brill. Too much material falls in the well and can contaminate the formation. Reducing the well junk is not only a concern for old wells, but also for new wells. Therefore, the novel titanium controllable ball seat has irreplaceable effects on the application value and the reduction of later-stage operation risks, and is worthy of large-scale popularization.
Description
Technical Field
The utility model relates to a crude oil and natural gas exploitation field especially relates to a novel controllable ball seat of titanium.
Background
Crude oil refers to a hydrocarbon mixture in a natural state produced from an underground reservoir without being processed, which can be separated into gasoline, kerosene, light oil, heavy oil, etc. by fractionation, and the separated oils are each used in human life, and thus, a ball seat is required in the process of oil production.
After the conventional ball seat normally seals the upper end packer, the ball seat and the steel ball can be knocked down together and fall into the well, and after long-term exploitation of some old wells, the objects falling into the well are more and more, so that certain potential safety hazards can be caused to later-stage old well development.
Therefore, there is a need to provide a new titanium controllable ball seat to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel controllable ball seat of titanium has solved oil development autumn and has controlled simple structure, at the bottom of the practicality, the lower problem of security.
In order to solve the technical problem, the utility model provides a pair of novel controllable ball seat of titanium, include: a main body frame; the bottom of the upper joint is fixed on the left side of the top of the main body frame, and the top of the upper joint is fixedly connected with an upper connecting sleeve; the bottom of the sealing piston is fixed to the top of the main body frame and is positioned on the left side of the upper joint and the top of the upper connecting sleeve; the bottom of the valving ball seat is fixed to the top of the main body frame, and a sealing gasket is fixedly connected between the left side of the valving ball seat and the right side of the upper joint; the bottom of the shear pin sleeve is fixed at the top of the main body frame, and the left side of the shear pin sleeve is fixedly connected with the right side of the valving ball seat; the bottom of the lower joint is fixed to the top of the main body frame, and an outer cylinder is fixedly connected between the top of the lower joint and the top of the upper connecting sleeve.
Preferably, a first sealing ring is fixedly connected between the top of the upper joint and the bottom of the upper connecting sleeve.
Preferably, the top of main part frame fixedly connected with spring ring, the top of main part frame just is located the left side of spring ring and is provided with the steel ball.
Preferably, a second sealing ring is fixedly connected between the top of the lower joint and the bottom of the outer cylinder.
Preferably, the surface of the shear pin sleeve is movably connected with a shear pin.
Preferably, the bottom of the outer cylinder is fixedly connected with a limiting ring, and the bottom of the limiting ring is movably connected with a guide screw.
Preferably, the bottom of the guide screw is fixedly connected with the top of the valving ball seat.
Compared with the prior art, the utility model provides a pair of novel controllable ball seat of titanium has following beneficial effect: the upper joint and the upper connecting sleeve at the top of the main body frame are fixed by the sealing ring to prevent falling off, and the traditional ball seat falls into the well together with the steel ball after being knocked down. And the novel titanium controllable ball seat only drops the steel ball into the well. Thereby reducing the falling objects in the well. For old wells in the later development period, the falling objects in the wells are more and uncertain. The novel titanium controllable ball seat can well reduce the falling objects in the well, thereby reducing the risk of later-stage construction, effectively reducing the falling objects in the well, preventing the well from being washed in the later stage, and carrying the excessive falling objects in the well to be returned by sand washing to cause safety accidents such as pipe column sticking and the like. Too much material falls in the well and can contaminate the formation. Reducing the well junk is not only a concern for old wells, but also for new wells. Therefore, the novel titanium controllable ball seat has irreplaceable effects on the application value and the reduction of later-stage operation risks, and is worthy of large-scale popularization.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a novel titanium controllable ball seat provided by the present invention.
Reference numbers in the figures: 1. the split type steel ball sealing device comprises an upper joint, 2, an upper connecting sleeve, 3, a sealing piston, 4, a sealing washer, 5, a split ball seat, 6, a spring ring, 7, a limiting ring, 8, a guide screw, 9, a shear pin sleeve, 10, a lower joint, 11, a shear pin, 12, an outer cylinder, 13, a steel ball, 14, a first sealing ring, 15, a second sealing ring, 16 and a main body frame.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a novel titanium controllable ball seat according to the present invention. A novel titanium controllable ball seat comprising: a main body frame 16; the bottom of the upper joint 1 is fixed on the left side of the top of the main body frame 16, and the top of the upper joint 1 is fixedly connected with an upper connecting sleeve 2; the sealing piston 3 is a floating piston, the upper section and the lower section of the sealing piston 3 are different (the upper section is larger than the lower section), when the pressure is gradually increased, the sealing piston 3 can press the sealing gasket 4 more and more tightly under the action of the pressure difference, the sealing performance can be gradually increased to 70MPa at most, and the bottom of the sealing piston 3 is fixed at the top of the main body frame 16 and is positioned at the left side of the upper joint 1 and the top of the upper connecting sleeve 2; the split ball seats 5 are different from the conventional ball seats, the split ball seats 5 are uniformly divided into four equal parts in the circumferential direction, each split ball seat 5 is connected with a guide screw 8, so that the ball seats can radially expand along the direction of the guide screws 8 under the action of a spring piece after being released and cling to the inner wall of the outer barrel, the bottoms of the split ball seats 5 are fixed at the top of the main body frame 16, and a sealing washer 4 is fixedly connected between the left side of each split ball seat 5 and the right side of the upper joint 1; the bottom of the shear pin sleeve 9 is fixed at the top of the main body frame 16, and the left side of the shear pin sleeve 9 is fixedly connected with the right side of the splitting ball seat 5; the bottom of the lower joint 10 is fixed on the top of the main body frame 16, and an outer cylinder 12 is fixedly connected between the top of the lower joint 10 and the top of the upper connecting sleeve 2.
A first sealing ring 14 is fixedly connected between the top of the upper joint 1 and the bottom of the upper connecting sleeve 2, and sealing firmness is enhanced by the first sealing ring 14 and a second sealing ring 15.
The top fixedly connected with spring ring 6 of main part frame 16, the top of main part frame 16 and the left side that is located spring ring 6 are provided with steel ball 13, prevent later stage well washing, and the sand washing is carried the too much junk in with the well and is gone up back, causes incident such as tubular column card brill.
A second sealing ring 15 is fixedly connected between the top of the lower joint 10 and the bottom of the outer cylinder 12.
The surface of the shear pin sleeve 9 is movably connected with a shear pin 11, the split ball seat 5 shears pressure through the shear pin 11, the split ball seat 5 descends to the large inner diameter part of the outer barrel, the split ball seat 5 is propped open by the elasticity of the spring piece and is tightly attached to the inner part and the upper part, the inner drift diameter of the ball seat is larger than the diameter of the steel ball 13, and the steel ball 13 smoothly passes through and falls into the well bottom.
The bottom of the outer cylinder 12 is fixedly connected with a limiting ring 7, the bottom of the limiting ring 7 is movably connected with a guide screw 8, and each valving ball seat 5 is connected with the guide screw 8.
The bottom of the guide screw 8 is fixedly connected with the top of the valving ball seat 5.
The utility model provides a pair of novel controllable ball seat of titanium's theory of operation as follows: after a pipe string connected with a ball seat is placed at a preset position in a well, steel balls with corresponding sizes are put into the pipe string, after the steel balls are placed in the pipe string, a pump is started to pump and press the steel balls to the setting pressure of a packer on the upper portion of the pipe string, the steel balls are continuously pumped and pressed until the pressure of a ball seat shear pin 11 is cut off after the pressure is stabilized and reduced without pressure, the ball seat goes down to the position with the larger inner diameter of the outer barrel in the moment that the shear pin 11 is cut off, meanwhile, under the action of the radial elasticity of a spring ring 6, a split ball seat 5 is radially opened, the steel balls 13 smoothly pass through the inner diameter of the ball seat and then fall into the well. Thereby realizing the design purpose that the steel ball 13 falls into the well but the ball seat does not fall into the well.
Compared with the prior art, the utility model provides a pair of novel controllable ball seat of titanium has following beneficial effect: the upper joint 1 and the upper connecting sleeve 2 at the top of the main body frame 16 are fixed by using the sealing ring to prevent falling off, and the traditional ball seat falls into a well together with a steel ball after being knocked down. And the novel titanium controllable ball seat only drops the steel ball into the well. Thereby reducing the falling objects in the well. For old wells in the later development period, the falling objects in the wells are more and uncertain. The novel titanium controllable ball seat can well reduce the falling objects in the well, thereby reducing the risk of later-stage construction, effectively reducing the falling objects in the well, preventing the well from being washed in the later stage, and carrying the excessive falling objects in the well to be returned by sand washing to cause safety accidents such as pipe column sticking and the like. Too much material falls in the well and can contaminate the formation. Reducing the well junk is not only a concern for old wells, but also for new wells. Therefore, the novel titanium controllable ball seat has irreplaceable effects on the application value and the reduction of later-stage operation risks, and is worthy of large-scale popularization.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A novel titanium controllable ball seat is characterized by comprising:
a main body frame;
the bottom of the upper joint is fixed on the left side of the top of the main body frame, and the top of the upper joint is fixedly connected with an upper connecting sleeve;
the bottom of the sealing piston is fixed to the top of the main body frame and is positioned on the left side of the upper joint and the top of the upper connecting sleeve;
the bottom of the valving ball seat is fixed to the top of the main body frame, and a sealing gasket is fixedly connected between the left side of the valving ball seat and the right side of the upper joint;
the bottom of the shear pin sleeve is fixed at the top of the main body frame, and the left side of the shear pin sleeve is fixedly connected with the right side of the valving ball seat;
the bottom of the lower joint is fixed to the top of the main body frame, and an outer cylinder is fixedly connected between the top of the lower joint and the top of the upper connecting sleeve.
2. The novel titanium controllable ball seat as claimed in claim 1, wherein a first sealing ring is fixedly connected between the top of the upper joint and the bottom of the upper connecting sleeve.
3. The novel titanium controllable ball seat according to claim 1, wherein a spring ring is fixedly connected to the top of the main body frame, and a steel ball is arranged on the top of the main body frame and on the left side of the spring ring.
4. The novel titanium controllable ball seat according to claim 1, characterized in that a second sealing ring is fixedly connected between the top of the lower joint and the bottom of the outer cylinder.
5. The novel titanium controllable ball seat according to claim 1, wherein shear pins are movably connected to the surface of the shear pin sleeve.
6. The novel titanium controllable ball seat according to claim 1, characterized in that a limiting ring is fixedly connected to the bottom of the outer cylinder, and a guide screw is movably connected to the bottom of the limiting ring.
7. The novel titanium controllable ball seat according to claim 6, wherein the bottom of the guiding screw is fixedly connected with the top of the split ball seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922024893.4U CN211258566U (en) | 2019-11-21 | 2019-11-21 | Novel controllable ball seat of titanium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922024893.4U CN211258566U (en) | 2019-11-21 | 2019-11-21 | Novel controllable ball seat of titanium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211258566U true CN211258566U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922024893.4U Active CN211258566U (en) | 2019-11-21 | 2019-11-21 | Novel controllable ball seat of titanium |
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| CN (1) | CN211258566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320227A (en) * | 2021-11-15 | 2022-04-12 | 中海油能源发展股份有限公司 | Full latus rectum pressure transmission ball seat after can cuting |
-
2019
- 2019-11-21 CN CN201922024893.4U patent/CN211258566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320227A (en) * | 2021-11-15 | 2022-04-12 | 中海油能源发展股份有限公司 | Full latus rectum pressure transmission ball seat after can cuting |
| CN114320227B (en) * | 2021-11-15 | 2023-07-28 | 中海油能源发展股份有限公司 | Full latus rectum pressure ball seat that passes after can shearing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A New Type of Titanium Controllable Ball Seat Effective date of registration: 20230506 Granted publication date: 20200814 Pledgee: Tieling Branch of Shengjing Bank Co.,Ltd. Pledgor: LIAONING BAOYUAN CHEMICAL EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2023210000097 |