CN113294115B - Casing head for oil extraction wellhead device - Google Patents
Casing head for oil extraction wellhead device Download PDFInfo
- Publication number
- CN113294115B CN113294115B CN202110805282.2A CN202110805282A CN113294115B CN 113294115 B CN113294115 B CN 113294115B CN 202110805282 A CN202110805282 A CN 202110805282A CN 113294115 B CN113294115 B CN 113294115B
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- Prior art keywords
- casing head
- head body
- rotating
- mounting
- casing
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- 238000000605 extraction Methods 0.000 title claims abstract description 9
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000004391 petroleum recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The application relates to the technical field of oil extraction wellhead devices, in particular to a casing head for an oil extraction wellhead device, which comprises a base, wherein the base is provided with a casing head body; the casing head body is detachably arranged on the base; a hanger locked in the casing head body; and the moving assembly is arranged outside the casing head body and is used for pushing the casing head body to move in a three-dimensional space. The first moving part pushes the casing head body to move along the X-axis or Y-axis direction; the second moving part pushes the casing head body to move along the Z-axis direction or pushes the casing head body to rotate in a plane, so that the casing head body is moved to a proper position, and the installation is convenient.
Description
Technical Field
The application relates to the technical field of oil extraction wellhead devices, in particular to a casing head for an oil extraction wellhead device.
Background
Casing head is used in petroleum and natural gas exploitation, and is installed in the upper end of surface casing string to fix the well head of drilling well, connect well head casing string, support the technological casing and oil layer casing's coupling assembling, can be used to seal the annular space between each layer pipe, provide transitional connection for installing blowout preventer, tubing head, christmas tree to through two side ports on the casing head body, can carry out construction operations such as makeup and extrusion mud, control and filling balancing liquid.
Chinese patent (application number: CN 202021127455.7) discloses a petroleum equipment field, concretely relates to a fast-assembling casing head for petroleum recovery well head, including casing head body, casing head body upper end is fixed with the hanger, the flange parallel gate valve rather than inside intercommunication is all installed to casing head body both sides, casing head body lower extreme is fixed with the lower clutch rather than the intercommunication, the internal thread of being connected with the outer tube has been seted up to the lower clutch inner fringe, threaded connection has rather than concentric swivel nut on the lower clutch, the lower clutch of swivel nut below is gone up to overlap and is equipped with rather than the lower ring of taking a heart, lower ring and swivel nut pass through a plurality of even board fixed connection, circumference equipartition threaded connection has a plurality of bolts on the lower ring, be provided with the swivel above the lower ring, a plurality of vertical through-holes have been seted up to circumference equipartition on the swivel. In the prior art, the casing head is installed, the machine is used for hoisting, and the assembly is completed through manual assistance, so that the working efficiency is low, and the working progress is influenced.
Disclosure of Invention
In order to solve the technical problems, the application provides a pipe sleeve head for an oil extraction wellhead device.
The application provides the following technical scheme: a casing head for an oil recovery wellhead assembly, comprising a base;
the casing head body is detachably arranged on the base;
a hanger locked in the casing head body;
and the moving assembly is arranged outside the casing head body and is used for pushing the casing head body to move in a three-dimensional space.
Further, the moving assembly includes a first moving member and a second moving member; the first moving component pushes the casing head body to move along the X-axis or Y-axis direction; the second moving part pushes the casing head body to move along the Z-axis direction or pushes the casing head body to rotate in a plane.
Further, the first moving part comprises a mounting frame, a mounting plate, a rotating bearing, a rotating screw rod, a rotating sliding block, a rotating motor, a driving gear, a driven gear and a pushing cylinder; the two mounting plates are correspondingly arranged at two ends of the mounting frame through the sliding blocks, the pushing air cylinder is arranged at one side of the mounting frame, a piston rod of the pushing air cylinder is connected with the mounting plates, the two rotating screw rods are arranged between the mounting plates in parallel, two ends of the rotating screw rods are connected with the mounting plates through rotating bearings, driven gears are arranged on the rotating screw rods, a rotating motor is arranged between the rotating screw rods, the piston rod of the rotating motor is connected with the driving gear, the driving gear is meshed with the driven gears, and one rotating sliding block is arranged on each rotating screw rod.
Further, the second moving part comprises a mounting seat, a rotating motor, a connecting rod and a lifting cylinder, wherein two of the bases are respectively provided with one mounting seat, the mounting seat is provided with the rotating motor, the lifting cylinder is arranged below the mounting frame, a piston rod of the lifting cylinder is connected to the mounting frame, and the rotating motor is connected to the lifting cylinder through the connecting rod.
Further, the lower extreme of casing head body is equipped with protruding edge down, the upper end of base is equipped with protruding edge down, be equipped with the lower pocket on the protruding edge down, upward be equipped with the upper pocket on the protruding edge, be equipped with the lower pocket on the protruding edge down, connecting bolt's lower extreme articulates in the lower pocket, the lower terminal surface of casing head body is equipped with the convex part, the up end of base is equipped with the recess that matches with the convex part.
Further, the hanger comprises a lower shell, an upper shell and a slip, wherein the slip, the upper shell and the lower shell are sequentially installed in the casing head body from top to bottom, the lower shell is fixed on the inner wall of the casing head body through a first jackscrew, a first bulge is arranged on the outer wall of the lower shell, and a first groove matched with the first bulge is formed in the inner wall of the casing head body.
Further, one end of the supporting member supports against the outer wall of the lower shell, the other end of the supporting member is installed in the blind hole in the casing head, a locking hole in the casing head, one end of the locking hole extends to the outer side of the casing head, the other end of the locking hole is communicated with the blind hole, a locking driving member is arranged in the locking hole, and the end head of the locking driving member is conical.
Further, the upper end face of the lower shell is provided with a second bulge, the lower end face of the upper shell is provided with a second groove matched with the second bulge, and the upper shell is configured in the casing head body through a second jackscrew.
Further, the slips are installed on the upper casing, and a locking spring is arranged between the upper casing and the casing head body.
The application relates to a pipe sleeve head for an oil extraction wellhead device, which has the beneficial effects that: the first moving part pushes the casing head body to move along the X-axis or Y-axis direction; the second moving part pushes the casing head body to move along the Z-axis direction or pushes the casing head body to rotate in a plane, so that the casing head body is moved to a proper position, and the installation is convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, serve to explain the application. In the drawings:
FIG. 1 is a schematic view of the structure of the device of the present application;
FIG. 2 is a schematic view of the moving assembly of the apparatus of the present application;
FIG. 3 is a schematic view of the construction of a connecting bolt in the device of the present application;
FIG. 4 is a schematic view of the structure of a rotating slider in the device of the present application;
marked in the figure as: 1. a base; 2. a casing head body; 3. a mounting frame; 4. a mounting plate; 5. a rotating bearing; 6. rotating a screw rod; 7. rotating the sliding block; 71. a mounting groove; 8. a rotating motor; 9. a drive gear; 10. a driven gear; 11. a pushing cylinder; 12. a mounting base; 13. a rotating electric machine; 14. a connecting rod; 15. a lifting cylinder; 16. a lower convex edge; 17. an upper convex edge; 18. a lower groove; 19. an upper groove; 20. a connecting bolt; 21. a lower housing; 22. an upper housing; 23. a slip; 24. a first jackscrew; 25. a first protrusion; 26. a first groove; 27. a supporting member; 28. a blind hole; 29. a locking driving member; 30. a second protrusion; 31. a second groove; 32. a second jackscrew; 33. a locking spring; 34. a convex portion; 35. a groove; 36. locking holes.
Detailed Description
The conception, specific structure, and technical effects produced by the present application will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present application. It should be noted that the embodiments of the present application and the features of the embodiments may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in the present application are merely with respect to the mutual positional relationship of the constituent elements of the present application in the drawings.
Example 1
As shown in fig. 1, a casing head for an oil production wellhead includes a base 1; the casing head body 2 is detachably arranged on the base 1; a hanger which is locked in the casing head body 2; and the moving assembly is arranged outside the casing head body and is used for pushing the casing head body to move in a three-dimensional space. During installation, the moving assembly is started, and the pusher casing head body 2 moves to a proper position, so that the casing head body 2 is convenient to install.
Example two
As shown in fig. 1 to 2, the present embodiment differs from embodiment 1 in that the moving assembly includes a first moving member and a second moving member; the first moving component pushes the casing head body to move along the X-axis or Y-axis direction; the second moving part pushes the casing head body to move along the Z-axis direction or pushes the casing head body to rotate in a plane.
The first moving part comprises a mounting frame 3, a mounting plate 4, a rotating bearing 5, a rotating screw rod 6, a rotating sliding block 7, a rotating motor 8, a driving gear 9, a driven gear 10 and a pushing cylinder 11; the two mounting plates 4 are correspondingly arranged at two ends of the mounting frame 3 through sliding blocks, the pushing cylinder 11 is arranged at one side of the mounting frame 3, piston rods of the pushing cylinder are connected to the mounting plates 4, the two rotating screw rods 6 are mutually parallel and arranged between the mounting plates 4, two ends of the rotating screw rods 6 are connected to the mounting plates 4 through rotating bearings 5, driven gears 10 are arranged on the rotating screw rods 6, a rotating motor 8 is arranged between the rotating screw rods 6, piston rods of the rotating motor 8 are connected to driving gears 9, the driving gears 9 are meshed with the driven gears 10, each rotating screw rod 6 is provided with one rotating sliding block 7, mounting grooves 71 are formed in opposite surfaces of the two rotating sliding blocks 7, mounting blocks at two sides of the casing head body 2 are inserted into the mounting grooves 71, insertion holes on the rotating sliding blocks 7 are aligned with insertion holes on the mounting blocks, and bolts are inserted from the rotating sliding blocks 7. The pushing cylinder 11 is started to push the mounting plate 4 to move along the X-axis direction; the rotary motor 8 is started, and the drive gear 9 and the driven gear 10 are meshed to drive the two rotary screws 6 to rotate, so that the casing head body 2 moves along the Y-axis direction.
The second moving part comprises a mounting seat 12, a rotating motor 13, a connecting rod 14 and a lifting cylinder 15, wherein two of the bases 1 are respectively provided with the mounting seat 12, the mounting seat 12 is provided with the rotating motor 13, the lifting cylinder 15 is arranged below the mounting frame 12, a piston rod of the lifting cylinder 15 is connected with the mounting frame 3, and the rotating motor 13 is connected with the lifting cylinder 15 through the connecting rod 14. The lift cylinder 15 is activated and the pusher mounting frame 12 moves entirely upward. When the casing head body 2 is required to rotate, the rotary motor 13 is started, and the casing head body 2 is driven to rotate through the connecting rod 14.
Example III
As shown in fig. 1 to 3, this embodiment is different from embodiment 2 in that the lower end of the casing head body 2 is provided with a lower protruding edge 16, the upper end of the base 1 is provided with an upper protruding edge 17, the lower protruding edge 16 is provided with a lower groove 18, the upper protruding edge 17 is provided with an upper groove 19, the lower protruding edge 16 is provided with a lower groove 18, the lower end of the connecting bolt 20 is hinged in the lower groove 18, the lower end face of the casing head body 2 is provided with a protruding portion 34, and the upper end face of the base 1 is provided with a groove 35 matched with the protruding portion 34. When the connecting bolt is installed, the lower convex edge 16 and the upper convex edge 17 are aligned by the moving component, the upper groove 19 and the lower groove 18 are matched, and the connecting bolt 20 is rotated into the upper groove 19 and the lower groove 18.
The hanger comprises a lower shell 21, an upper shell 22 and a slip 23, wherein the slip 23, the upper shell 22 and the lower shell 21 are sequentially arranged in the casing head body 1 from top to bottom, the lower shell 21 is fixed on the inner wall of the casing head body 1 through a first jackscrew 24, a first bulge 25 is arranged on the outer wall of the lower shell 21, and a first groove 26 matched with the first bulge 25 is arranged on the inner wall of the casing head body 2, so that the lower shell 21 is further fixed on the casing head body 2.
One end of the propping piece 27 props against the outer wall of the lower shell 21, the other end of the propping piece is arranged in the blind hole 28 in the casing head, a locking hole 36 in the casing head, one end of the locking hole 36 extends to the outer side of the casing head, the other end of the locking hole is communicated with the blind hole 28, a locking driving piece 29 is arranged in the locking hole 36, and the end head of the locking driving piece 29 is conical. The locking driving member 29 rotates in the locking hole 36 to continuously push against the lower end of the push member 27, so that the outer side of the lower housing 21 can be pushed against, preventing the lower housing 21 from shaking.
The upper end face of the lower shell 21 is provided with a second protrusion 30, the lower end face of the upper shell 22 is provided with a second groove 31 matched with the second protrusion 30, and the upper shell 22 is configured in the casing head body 2 through a second jackscrew 32. The lower end of the upper case 22 is stabilized at the upper end of the lower case 21 by the matching of the second protrusion 30 and the second groove 31. Upper housing 22 is secured in casing head body 1 by a second jackscrew 30.
The slips 23 are installed on the upper casing 22, a locking spring 33 is arranged between the upper casing 22 and the casing head body 1, and the upper casing 22 is locked in the casing head body 2 through the locking spring 33.
The foregoing description is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present application has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (3)
1. A casing head for an oil recovery wellhead assembly, comprising a base;
the casing head body is detachably arranged on the base;
a hanger locked in the casing head body;
the moving assembly is arranged outside the casing head body and used for pushing the casing head body to move in a three-dimensional space;
the moving assembly includes a first moving member and a second moving member; the first moving component pushes the casing head body to move along the X-axis or Y-axis direction; the second moving part pushes the casing head body to move along the Z-axis direction;
the first moving part comprises a mounting frame, a mounting plate, a rotating bearing, a rotating screw rod, a rotating sliding block, a rotating motor, a driving gear, a driven gear and a pushing cylinder; the two mounting plates are correspondingly arranged at two ends of the mounting frame through sliding blocks, the pushing cylinder is arranged at one side of the mounting frame, a piston rod of the pushing cylinder is connected with the mounting plates, the two rotating screw rods are arranged between the mounting plates in parallel, two ends of the rotating screw rods are connected with the mounting plates through rotating bearings, driven gears are arranged on the rotating screw rods, the rotating motor is arranged between the rotating screw rods, a piston rod of the rotating motor is connected with the driving gear, the driving gear is meshed with the driven gears, and each rotating screw rod is provided with one rotating sliding block;
the opposite surfaces of the two rotating slide blocks are provided with mounting grooves, the mounting blocks on the two sides of the casing head body are inserted into the mounting grooves, the insertion holes on the rotating slide blocks are aligned with the insertion holes on the mounting blocks, and the bolts are inserted from the rotating slide blocks;
the hanger comprises a lower shell, an upper shell and a slip, wherein the slip, the upper shell and the lower shell are sequentially arranged in the casing head body from top to bottom, the lower shell is fixed on the inner wall of the casing head body through a first jackscrew, a first bulge is arranged on the outer wall of the lower shell, and a first groove matched with the first bulge is arranged on the inner wall of the casing head body;
one end of the propping piece props against the outer wall of the lower shell, the other end of the propping piece is arranged in a blind hole in the casing head, a locking hole in the casing head is formed in the casing head, one end of the locking hole extends to the outer side of the casing head, the other end of the locking hole is communicated with the blind hole, a locking driving piece is arranged in the locking hole, and the end head of the locking driving piece is conical;
the upper end face of the lower shell is provided with a second bulge, the lower end face of the upper shell is provided with a second groove matched with the second bulge, and the upper shell is configured in the casing head body through a second jackscrew.
2. The casing head for an oil extraction wellhead device according to claim 1, wherein a lower protruding edge is arranged at the lower end of the casing head body, an upper protruding edge is arranged at the upper end of the base, a lower groove is arranged on the lower protruding edge, an upper groove is arranged on the upper protruding edge, the lower end of the connecting bolt is hinged in the lower groove, a protruding portion is arranged on the lower end face of the casing head body, and a groove matched with the protruding portion is arranged on the upper end face of the base.
3. A casing head for a wellhead assembly according to claim 1, wherein the slips are mounted on the upper housing with a locking spring between the upper housing and the casing head body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110805282.2A CN113294115B (en) | 2021-07-15 | 2021-07-15 | Casing head for oil extraction wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110805282.2A CN113294115B (en) | 2021-07-15 | 2021-07-15 | Casing head for oil extraction wellhead device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113294115A CN113294115A (en) | 2021-08-24 |
| CN113294115B true CN113294115B (en) | 2023-12-05 |
Family
ID=77330857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110805282.2A Active CN113294115B (en) | 2021-07-15 | 2021-07-15 | Casing head for oil extraction wellhead device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113294115B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2461233A1 (en) * | 2003-10-21 | 2005-04-21 | Bob Mcguire | Hybrid wellhead system and method of use |
| CN200949440Y (en) * | 2006-09-22 | 2007-09-19 | 江苏金石油气井口科技有限公司 | Fast assembled wellhead device |
| CN205400654U (en) * | 2016-03-10 | 2016-07-27 | 江苏双辉机械制造有限公司 | Energy -efficient repeatedly usable casing head |
| CN110847840A (en) * | 2019-12-12 | 2020-02-28 | 威飞海洋装备制造有限公司 | Hanger locking device for high-end integrated wellhead and wellhead device |
| CN112127825A (en) * | 2020-11-24 | 2020-12-25 | 东营华辰石油装备有限公司 | Integral wellhead assembly |
| CN113006731A (en) * | 2021-04-23 | 2021-06-22 | 京鸿石油钻采工程技术有限公司 | Self-locking casing head |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090078404A1 (en) * | 2007-09-21 | 2009-03-26 | Schepp Douglas W | Tubing hanger apparatus and wellhead assembly for use in oil and gas wellheads |
-
2021
- 2021-07-15 CN CN202110805282.2A patent/CN113294115B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2461233A1 (en) * | 2003-10-21 | 2005-04-21 | Bob Mcguire | Hybrid wellhead system and method of use |
| CN200949440Y (en) * | 2006-09-22 | 2007-09-19 | 江苏金石油气井口科技有限公司 | Fast assembled wellhead device |
| CN205400654U (en) * | 2016-03-10 | 2016-07-27 | 江苏双辉机械制造有限公司 | Energy -efficient repeatedly usable casing head |
| CN110847840A (en) * | 2019-12-12 | 2020-02-28 | 威飞海洋装备制造有限公司 | Hanger locking device for high-end integrated wellhead and wellhead device |
| CN112127825A (en) * | 2020-11-24 | 2020-12-25 | 东营华辰石油装备有限公司 | Integral wellhead assembly |
| CN113006731A (en) * | 2021-04-23 | 2021-06-22 | 京鸿石油钻采工程技术有限公司 | Self-locking casing head |
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| Publication number | Publication date |
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| CN113294115A (en) | 2021-08-24 |
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