CN219733310U - Hydraulic control joint for production pipe column - Google Patents
Hydraulic control joint for production pipe column Download PDFInfo
- Publication number
- CN219733310U CN219733310U CN202320443203.2U CN202320443203U CN219733310U CN 219733310 U CN219733310 U CN 219733310U CN 202320443203 U CN202320443203 U CN 202320443203U CN 219733310 U CN219733310 U CN 219733310U
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- spring
- piston rod
- joint
- ring
- hydraulic control
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 210000002445 nipple Anatomy 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 abstract description 3
- 230000008407 joint function Effects 0.000 abstract description 3
- 239000003129 oil well Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a hydraulic control joint for a production string, which comprises an upper joint and a lower joint, wherein one end of the upper joint is connected with a piston rod, a spring outer cylinder is arranged between the piston rod and the lower joint, a spring core pipe is arranged in the spring outer cylinder, a central pipe is arranged in the piston rod, one end of the central pipe is connected with a valve seat, one end of the valve seat, which is close to the upper joint, is provided with a valve clack, the spring outer cylinder is connected with the piston rod through a connecting nipple, and a spring I is movably wound on the surface of the spring core pipe; according to the utility model, on the basis of keeping the original Y joint function, the ground hydraulic control of different circulation paths can be realized, and the steel wire operation is not needed, so that the functions of normal production of an oil well, forward and reverse circulation well flushing, cable packer setting, oil pipe pressure test, standby well sealing and the like can be realized, the operation risk is reduced, the production time is shortened, and the safety and timeliness of the operation area are greatly improved.
Description
Technical Field
The utility model belongs to the field of hydraulic control connectors, and particularly relates to a hydraulic control connector for a production string.
Background
At present, when operations such as layered trial production, underground test and well workover string are performed, steel wire operation is often required to be performed to salvage the Y-shaped joint so as to perform operations such as opening and closing a sliding sleeve, underground pressure measurement, positive and negative circulation well flushing and the like.
When in use, the joint can only be used by a single joint function, the use function is single, and when in operation, the risk of operation is increased, and the field operation and well control safety are seriously affected.
In summary, the present utility model provides a hydraulic control joint for a production string to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a hydraulic control joint for a production string, which is used for solving the problems that the risk of operation is increased in the prior art and the like.
The utility model provides a be used for production string to connect with liquid accuse, includes top connection and lower clutch, the one end of top connection is connected with the piston rod, be provided with the spring urceolus between piston rod and the lower clutch, be provided with the spring core pipe in the spring urceolus, be provided with the center tube in the piston rod, the one end of center tube is connected with the disk seat, the one end that the disk seat is close to the top connection is provided with the valve clack, be connected through the connection nipple joint between spring urceolus and the piston rod, the surface activity winding of spring core pipe has spring one.
Further, the valve seat is fixedly connected to the valve clack frame, the valve clack is rotatably connected to the inner wall of the valve clack frame through the valve clack pin, a torsion spring is movably sleeved on the surface of the valve clack pin, a sealing element is arranged at an opening part of the valve clack frame, which is close to the valve clack, and a valve clack pin sleeve is arranged on the surface of the valve clack pin.
Furthermore, a cavity is formed in the surface of one end, close to the valve clack, of the valve seat, a second check ring is fixedly connected to one end, far away from the inner wall of the valve seat, of the cavity, a steel ball is movably arranged at the other end of the cavity, and the steel ball is connected with the second check ring through a second spring.
Further, the inside of piston rod is provided with the hydraulic pressure chamber, the one end of piston rod is connected with the top connection inner wall through the connecting seat, and is connected through holding screw two between connecting seat lateral wall and the piston rod, be provided with O type circle two between the inner wall of connecting seat and the outer wall of piston rod, be connected through holding screw one between the inner wall of connecting seat and the top connection, be provided with O type circle one between the outer wall of connecting seat and the inner wall of top connection.
Further, a fixing ring is arranged at the joint of the piston rod and the connecting nipple, the fixing ring is connected with the piston rod through a cylindrical head screw, a gasket is sleeved on the surface of the cylindrical head screw, and an O-shaped ring III is arranged between the fixing ring and the piston rod.
Further, a baffle ring is movably arranged in the connecting nipple, and the baffle ring is fixedly connected to one end of the spring core tube.
Further, one end of the spring core tube penetrates through the connecting nipple and is connected with the central tube through the first check ring, one end of the central tube penetrates through the valve seat and extends into the upper joint, a hook ring is arranged in the connecting nipple, and the hook ring is connected with the first check ring.
Further, the first spring is movably arranged in the outer spring cylinder, and one end of the first spring is arranged on the surface of the baffle ring.
Further, be provided with the power pole in the piston rod, the one end of power pole is fixed through T type sealing block, and the other end runs through solid fixed ring to fixed connection is at the surface of retaining ring one, the one end that is close to T type sealing block on the power pole is provided with O type circle five, the surface of power pole is provided with the supporting ring.
Further, the lower joint is sleeved on the surface of the spring outer cylinder and is connected with the spring outer cylinder through a third set screw, and an O-shaped ring IV is arranged between the lower joint and the spring outer cylinder.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, on the basis of keeping the original Y joint function, the ground hydraulic control of different circulation paths can be realized, and the steel wire operation is not needed, so that the functions of normal production of an oil well, forward and reverse circulation well flushing, cable packer setting, oil pipe pressure test, standby well sealing and the like can be realized, the operation risk is reduced, the production time is shortened, and the safety and timeliness of the operation area are greatly improved.
Drawings
FIG. 1 is a schematic view of the valve plate opening structure of the present utility model;
FIG. 2 is a schematic view of a valve plate closing structure of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 1;
FIG. 4 is a schematic view of the valve seat structure of the present utility model.
In the figure:
1. an upper joint; 2. a lower joint; 3. a central tube; 4. a hydraulic chamber; 5. a support ring; 6. a piston rod; 7. a baffle ring; 8. a fixing ring; 9. a spring core tube; 10. a spring outer cylinder; 11. a first spring; 12. hooking rings; 13. a connecting nipple; 14. cylindrical head screw; 15. a gasket; 16. o-shaped ring I; 17. o-shaped ring II; 18. an O-shaped ring III; 19. an O-shaped ring IV; 20. an O-shaped ring V; 21. a T-shaped sealing block; 22. a first fastening screw; 23. a second fastening screw; 24. a third set screw; 25. a first check ring; 26. valve plate frame; 27. a valve seat; 28. a valve plate; 29. a valve plate pin; 30. valve plate pin sleeve; 31. a torsion spring; 32. a seal; 33. a steel ball; 34. a second spring; 35. and a second check ring.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1-4, the utility model provides a hydraulic control joint for a production string, which comprises an upper joint 1 and a lower joint 2, wherein one end of the upper joint 1 is connected with a piston rod 6, a spring outer cylinder 10 is arranged between the piston rod 6 and the lower joint 2, a spring core tube 9 is arranged in the spring outer cylinder 10, a central tube 3 is arranged in the piston rod 6, one end of the central tube 3 is connected with a valve seat 27, the valve seat 27 is provided with a valve plate 28 at one end, close to the upper joint 1, of the valve seat 27, the spring outer cylinder 10 is connected with the piston rod 6 through a connecting nipple 13, and a spring I11 is movably wound on the surface of the spring core tube 9.
As one embodiment of the present utility model, the valve seat 27 is fixedly connected to the valve plate holder 26, the valve plate 28 is rotatably connected to the inner wall of the valve plate holder 26 through the valve plate pin 29, the surface of the valve plate pin 29 is movably sleeved with the torsion spring 31, the opening of the valve plate holder 26 near one end of the valve plate 28 is provided with the sealing member 32, and the surface of the valve plate pin 29 is provided with the valve plate pin sleeve 30.
As one implementation mode of the utility model, a cavity is formed on one end surface of the valve seat 27, which is close to the valve plate 28, a second retainer ring 35 is fixedly connected to one end of the cavity, which is far away from the inner wall of the valve seat 27, and a steel ball 33 is movably arranged at the other end of the cavity, and the steel ball 33 is connected with the second retainer ring 35 through a second spring 34.
As an implementation mode of the utility model, a hydraulic cavity 4 is arranged in the piston rod 6, one end of the piston rod 6 is connected with the inner wall of the upper joint 1 through a connecting seat, the side wall of the connecting seat is connected with the piston rod 6 through a second set screw 23, an O-shaped ring 17 is arranged between the inner wall of the connecting seat and the outer wall of the piston rod 6, the inner wall of the connecting seat is connected with the upper joint 1 through a first set screw 22, and an O-shaped ring 16 is arranged between the outer wall of the connecting seat and the inner wall of the upper joint 1.
As an implementation mode of the utility model, a fixing ring 8 is arranged at the joint of the piston rod 6 and the connecting nipple 13, the fixing ring 8 is connected with the piston rod 6 through a cylindrical head screw 14, a gasket 15 is sleeved on the surface of the cylindrical head screw 14, and an O-shaped ring III 18 is arranged between the fixing ring 8 and the piston rod 6.
As an implementation mode of the utility model, a baffle ring 7 is movably arranged in the connecting nipple 13, and the baffle ring 7 is fixedly connected with one end of the spring core tube 9.
As an embodiment of the utility model, one end of the spring core tube 9 penetrates through the connecting nipple 13 and is connected with the central tube 3 through the first check ring 25, one end of the central tube 3 penetrates through the valve seat 27 and extends into the upper joint 1, a hook ring 12 is arranged in the connecting nipple 13, and the hook ring 12 is connected with the first check ring 25.
As an embodiment of the present utility model, the first spring 11 is movably disposed in the spring outer cylinder 10, and one end is disposed on the surface of the retainer ring 7.
As an implementation mode of the utility model, a power rod is arranged in the piston rod 6, one end of the power rod is fixed through the T-shaped sealing block 21, the other end of the power rod penetrates through the fixed ring 8 and is fixedly connected to the surface of the first check ring 25, an O-shaped ring five 20 is arranged at one end, close to the T-shaped sealing block 21, of the power rod, and a supporting ring 5 is arranged on the surface of the power rod.
As an embodiment of the utility model, the lower joint 2 is sleeved on the surface of the spring outer cylinder 10 and is connected with the spring outer cylinder 10 through a third set screw 24, and an O-shaped ring IV 19 is arranged between the lower joint 2 and the spring outer cylinder 10.
Wherein, as shown in fig. 1, the first spring 11 is supported to push the spring core tube 9, then the central tube 3 passes through the opened valve plate 28 and extends into the upper joint 1, and the valve plate 28 is opened;
wherein, as shown in fig. 2, after the hydraulic control central tube 3 is retracted, one end of the spring core tube 9 extends into the lower joint 2, and then the valve plate 28 is closed under the elastic support of the torsion spring 31
The hydraulic control Y joint is a normally open valve, and is pressed through a hydraulic control pipeline to close the valve plate 28; controlling the pipeline to release pressure, and opening the valve plate 28;
normally open state is put into the well, and the valve plate 28 is pressed and closed;
after the pump is started for production, the valve plate 28 is closed by fully utilizing the liquid column pressure, so that the normal production of the oil well is ensured;
if the hydraulic control Y joint fails, the second spring 11 is recovered, the valve plate 28 is in an open state, and the inner diameter still does not influence normal input of conventional Y plug and production test;
the hydraulic control Y joint is controlled by a hydraulic pipeline without steel wire operation, so that the hydraulic control Y joint is simpler, more intelligent, time-saving and labor-saving.
The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.
Claims (10)
1. The utility model provides a be used for production string to connect with liquid accuse, includes upper joint (1) and lower joint (2), its characterized in that: the novel high-pressure piston is characterized in that a piston rod (6) is connected to one end of the upper joint (1), a spring outer cylinder (10) is arranged between the piston rod (6) and the lower joint (2), a spring core tube (9) is arranged in the spring outer cylinder (10), a central tube (3) is arranged in the piston rod (6), a valve seat (27) is connected to one end of the central tube (3), a valve plate (28) is arranged at one end, close to the upper joint (1), of the valve seat (27), the spring outer cylinder (10) is connected with the piston rod (6) through a connecting nipple (13), and a spring I (11) is movably wound on the surface of the spring core tube (9).
2. The hydraulic control joint for a production string as recited in claim 1, wherein: the valve seat (27) is fixedly connected to the valve plate frame (26), the valve plate (28) is rotationally connected to the inner wall of the valve plate frame (26) through a valve plate pin (29), a torsion spring (31) is movably sleeved on the surface of the valve plate pin (29), a sealing element (32) is arranged at an opening of one end, close to the valve plate (28), of the valve plate frame (26), and a valve plate pin sleeve (30) is arranged on the surface of the valve plate pin (29).
3. The hydraulic control joint for a production string as recited in claim 1, wherein: one end surface of the valve seat (27) close to the valve plate (28) is provided with a cavity, one end of the cavity away from the inner wall of the valve seat (27) is fixedly connected with a second check ring (35), the other end of the cavity is movably provided with a steel ball (33), and the steel ball (33) is connected with the second check ring (35) through a second spring (34).
4. The hydraulic control joint for a production string as recited in claim 1, wherein: the inside of piston rod (6) is provided with hydraulic pressure chamber (4), the one end of piston rod (6) is connected with upper joint (1) inner wall through the connecting seat, and is connected through holding screw two (23) between connecting seat lateral wall and the piston rod (6), be provided with O type circle two (17) between the inner wall of connecting seat and the outer wall of piston rod (6), be connected through holding screw one (22) between the inner wall of connecting seat and upper joint (1), be provided with O type circle one (16) between the outer wall of connecting seat and the inner wall of upper joint (1).
5. The hydraulic control joint for a production string as recited in claim 1, wherein: the piston rod (6) is provided with fixed ring (8) with the junction of connecting nipple joint (13), fixed ring (8) are connected with piston rod (6) through cylindrical head screw (14), the surface cover of cylindrical head screw (14) is equipped with packing ring (15), be provided with O type circle three (18) between fixed ring (8) and piston rod (6).
6. The hydraulic control joint for a production string as recited in claim 1, wherein: the connecting nipple (13) is internally and movably provided with a baffle ring (7), and the baffle ring (7) is fixedly connected with one end of the spring core tube (9).
7. The hydraulic control joint for a production string as recited in claim 1, wherein: one end of the spring core pipe (9) penetrates through the connecting nipple (13) and is connected with the central pipe (3) through the first check ring (25), one end of the central pipe (3) penetrates through the valve seat (27) and extends into the upper joint (1), a hook ring (12) is arranged in the connecting nipple (13), and the hook ring (12) is connected with the first check ring (25).
8. The hydraulic control joint for a production string of claim 6, wherein: the first spring (11) is movably arranged in the spring outer cylinder (10), and one end of the first spring is arranged on the surface of the baffle ring (7).
9. The hydraulic control joint for a production string as recited in claim 1, wherein: be provided with the power pole in piston rod (6), the one end of power pole is fixed through T type sealing block (21), and the other end runs through solid fixed ring (8) to fixed connection is at the surface of retaining ring one (25), the one end that is close to T type sealing block (21) on the power pole is provided with O type circle five (20), the surface of power pole is provided with supporting ring (5).
10. The hydraulic control joint for a production string as recited in claim 1, wherein: the lower connector (2) is sleeved on the surface of the spring outer cylinder (10) and is connected with the spring outer cylinder (10) through a third set screw (24), and an O-shaped ring IV (19) is arranged between the lower connector (2) and the spring outer cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320443203.2U CN219733310U (en) | 2023-03-10 | 2023-03-10 | Hydraulic control joint for production pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320443203.2U CN219733310U (en) | 2023-03-10 | 2023-03-10 | Hydraulic control joint for production pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733310U true CN219733310U (en) | 2023-09-22 |
Family
ID=88061656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320443203.2U Active CN219733310U (en) | 2023-03-10 | 2023-03-10 | Hydraulic control joint for production pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733310U (en) |
-
2023
- 2023-03-10 CN CN202320443203.2U patent/CN219733310U/en active Active
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| GR01 | Patent grant |