CN117248851B - Quick-assembling casing head - Google Patents
Quick-assembling casing head Download PDFInfo
- Publication number
- CN117248851B CN117248851B CN202311468755.XA CN202311468755A CN117248851B CN 117248851 B CN117248851 B CN 117248851B CN 202311468755 A CN202311468755 A CN 202311468755A CN 117248851 B CN117248851 B CN 117248851B
- Authority
- CN
- China
- Prior art keywords
- butt joint
- sleeve
- sliding
- quick
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000001503 joint Anatomy 0.000 claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 239000003208 petroleum Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The application relates to the technical field of petroleum machinery, in particular to a quick-assembly casing head, which comprises a connecting component and a supporting component, wherein the supporting component comprises a casing, a second butt joint, a sliding sleeve and a rotating sleeve, the connecting component comprises a limiting sleeve, a limiting ring, a first butt joint and a sealing component, a supporting pipe is a main body installed by the quick-assembly casing head, the connecting component is fixed on the supporting pipe and then is connected and fixed through the supporting component, in particular, the limiting ring is fixed on the supporting pipe so as to limit and assemble the limiting sleeve, then the limiting sleeve is fixed on the supporting pipe by leaning on the limiting ring, the second butt joint is butted with the first butt joint during connection, then the sealing property of a joint is improved through the sealing component, the sliding sleeve is slid so as to drive the rotating sleeve to be close to the first butt joint, and then the rotating sleeve is rotated to be connected with threads on the side surface of the first butt joint, so that the assembly can be completed, the assembly is more convenient, and the installation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of petroleum machinery, in particular to a quick-assembling casing head.
Background
In the field of petroleum machinery, casing heads are annular wellhead components that are mounted on the upper end of a surface casing string and are used to suspend casing layers other than the surface casing and to seal the casing. The function is as follows: providing an outlet for releasing pressure that may build up between the two casing strings; fluid, such as well control fluid or fire extinguishing agent, can be pumped into the well from the lateral hole of the casing head in emergency; the cement can be filled from the side hole after well cementation is not good; during acidizing and fracturing, pressure balancing liquid can be injected from the side hole.
The existing independent inlet device comprises a casing head, a casing hanger sealing piece and a hammering nut, wherein the hammering nut is connected with the upper part of the casing head through threads, and the hammering nut compresses the casing hanger to seal.
Disclosure of Invention
The invention aims to provide a quick-mounting casing head, which aims to facilitate assembly and improve installation efficiency.
In order to achieve the above purpose, the invention provides a quick-assembly casing head, which comprises a connecting assembly and a supporting assembly, wherein the connecting assembly comprises a limiting sleeve, a limiting ring, a first butt joint and a sealing assembly, the limiting ring is arranged on one side of a supporting tube, the limiting sleeve is arranged on the top of the limiting ring, the first butt joint is arranged on the top of the limiting sleeve, the sealing assembly is arranged on the outer side of the first butt joint, the supporting assembly comprises a sleeve pipe, a second butt joint, a sliding sleeve and a rotating sleeve, the sleeve pipe is sleeved on the outer side of the limiting sleeve, the second butt joint is fixedly connected with the sleeve pipe and matched with the first butt joint, the sliding sleeve is in sliding connection with the sleeve pipe and is positioned on one side of the sleeve pipe, and the rotating sleeve is in rotating connection with the sliding sleeve and is in threaded connection with the side surface of the first butt joint.
The limiting ring comprises a left ring, a right ring and a fixer, wherein the left ring is rotationally connected with the right ring and is positioned on one side of the right ring, and the fixer is arranged on the right ring.
The connecting assembly further comprises a squeezing pad, wherein the squeezing pad is fixedly connected with the first butt joint and is positioned on the contact surface of the first butt joint and the second butt joint.
The sealing assembly comprises a connecting ring, a sliding plug and a sealing ring group, wherein the sliding plug is in sliding connection with the first butt joint and is positioned in the first butt joint, the connecting ring is arranged at the bottom of the sliding plug, and the sealing ring group is arranged at the bottom of the connecting ring and is positioned at the outer sides of the first butt joint and the second butt joint.
The second butt joint comprises a butt joint body, a sliding rod and a spring, wherein the sliding rod is in sliding connection with the butt joint body and is positioned on the inner side of the butt joint body, the spring is arranged between the butt joint body and the sliding rod, and a clamping groove matched with the sliding rod is formed in the first butt joint.
The second butt joint further comprises a ball, and the ball is in rolling connection with the sliding rod and is located in the clamping groove.
The sleeve comprises two sleeve shells, connecting bolts and nuts, wherein the two sleeve shells are sleeved on the outer sides of the limiting sleeves and are fixedly connected through the cooperation of the connecting bolts and the nuts.
The sliding sleeve comprises a sliding sleeve body and a sealing ring, and the sealing ring is arranged between the sliding sleeve body and the rotating sleeve.
The quick-assembly casing head comprises a connecting assembly and a supporting assembly, wherein the supporting assembly comprises a casing, a second butt joint, a sliding sleeve and a rotating sleeve, the connecting assembly comprises a limiting sleeve, a limiting ring, a first butt joint and a sealing assembly, a supporting tube is a main body installed by the quick-assembly casing head, the connecting assembly is fixed on the supporting tube through the supporting assembly, the limiting ring is fixed on the supporting tube to limit and assemble the limiting sleeve, the limiting sleeve is fixed on the supporting tube by leaning on the limiting ring, the second butt joint is butted with the first butt joint during connection, the sealing performance of a connecting part is improved through the sealing assembly, the sliding sleeve is slid to drive the rotating sleeve to be close to the first butt joint, and then the rotating sleeve is rotated to be connected with threads on the side face of the first butt joint, so that the quick-assembly casing head can be assembled, and the installation efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a block diagram of a quick-fit casing head according to a first embodiment of the present invention.
FIG. 2 is a cross-sectional view of a first embodiment of the invention in a quick-fit casing head configuration.
Fig. 3 is a block diagram of a quick-fit casing head according to a second embodiment of the present invention.
FIG. 4 is a cross-sectional view of a quick-fit casing head according to a second embodiment of the present invention.
FIG. 5 is a longitudinal cross-sectional view of a quick-fit casing head according to a second embodiment of the present invention.
Fig. 6 is a block diagram of a quick-fit casing head according to a third embodiment of the present invention.
The connecting assembly 101, the supporting assembly 102, the stop collar 103, the stop collar 104, the first abutment 105, the sealing assembly 106, the sleeve 107, the second abutment 108, the sliding sleeve 109, the rotating sleeve 110, the left ring 201, the right ring 202, the retainer 203, the compression pad 204, the connecting ring 205, the sliding plug 206, the sealing ring group 207, the abutment body 208, the sliding rod 209, the spring 210, the ball 211, the sleeve housing 212, the connecting bolt 213, the nut 214, the sliding sleeve body 215, the sealing ring 216, the sleeve body 301, the handle 302, the anti-slip pad 303, the handle body 304, the triangle block 305, and the elastic member 306.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
First embodiment
Referring to fig. 1-2, fig. 1 is a block diagram of a quick-assembling casing head according to a first embodiment of the present invention. FIG. 2 is a cross-sectional view of a first embodiment of the invention in a quick-fit casing head configuration.
The invention provides a quick-mounting sleeve 107 head, which comprises a connecting assembly 101 and a supporting assembly 102, wherein the connecting assembly 101 comprises a limiting sleeve 103, a limiting ring 104, a first butt joint 105 and a sealing assembly 106, the limiting ring 104 is arranged on one side of a supporting tube, the limiting sleeve 103 is arranged on the top of the limiting ring 104, the first butt joint 105 is arranged on the top of the limiting sleeve 103, the sealing assembly 106 is arranged on the outer side of the first butt joint 105, the supporting assembly 102 comprises a sleeve 107, a second butt joint 108, a sliding sleeve 109 and a rotating sleeve 110, the sleeve 107 is sleeved on the outer side of the limiting sleeve 103, the second butt joint 108 is fixedly connected with the sleeve 107 and matched with the first butt joint 105, the sliding sleeve 107 is in sliding connection and is positioned on one side of the sleeve 107, and the rotating sleeve 110 is in rotating connection with the sliding sleeve and is in threaded connection with the side surface of the first butt joint 105.
In this embodiment, the support tube is the main body of the installation of the present application, the connection assembly 101 is used to be fixed on the support tube, then the connection assembly 101 is connected and fixed through the support assembly 102, specifically, the limiting ring 104 is fixed on the support tube, so as to limit the assembly of the limiting sleeve 103, then the limiting sleeve 103 is fixed on the support tube by leaning on the limiting ring 104, the second butt joint 108 is butt jointed with the first butt joint 105 during connection, then the tightness of the connection is improved through the sealing assembly 106, then the sliding sleeve 109 is slid to drive the rotating sleeve 110 to approach the first butt joint 105, and then the rotating sleeve 110 is rotated to be connected with the threads on the side surface of the first butt joint 105, so that the assembly can be completed, the assembly is more convenient, and the installation efficiency is improved.
Second embodiment
Referring to fig. 3-5, fig. 3 is a block diagram of a quick-assembling casing head according to a second embodiment of the present invention. FIG. 4 is a cross-sectional view of a quick-fit casing head according to a second embodiment of the present invention. FIG. 5 is a longitudinal cross-sectional view of a quick-fit casing head according to a second embodiment of the present invention. The present invention further provides a quick-assembling sleeve 107 head, wherein the limiting ring 104 comprises a left ring 201, a right ring 202 and a fixing device 203, the left ring 201 and the right ring 202 are rotatably connected, and are located on one side of the right ring 202, and the fixing device 203 is arranged on the right ring 202. The left ring 201 and the right ring 202 can be enclosed on the supporting tube, and then the left ring 201 and the right ring 202 are fixed by the fixing device 203, so that the use is more convenient.
The connection assembly 101 further includes a pressing pad 204, where the pressing pad 204 is fixedly connected to the first pair of connectors 105 and is located on the contact surface of the first pair of connectors 105 and the second pair of connectors 108. The sealing of the connection of the first pair of joints 105 and the second pair of joints 108 may be increased by the squeeze pads 204.
The seal assembly 106 includes a connecting ring 205, a sliding plug 206, and a seal ring group 207, the sliding plug 206 is slidably connected to the first abutment 105 and is located in the first abutment 105, the connecting ring 205 is disposed at the bottom of the sliding plug 206, and the seal ring group 207 is disposed at the bottom of the connecting ring 205 and is located outside the first abutment 105 and the second abutment 108. When the first butt joint 105 is close to the second butt joint 108, the sliding plug 206 can be driven to move downwards, so that the connecting ring 205 can be pressed to drive the sealing ring group 207 to be close to the joint of the first butt joint 105 and the second butt joint 108, and the tightness is improved from the outside.
The second abutment 108 comprises an abutment body 208, a sliding rod 209 and a spring 210, the sliding rod 209 is slidably connected with the abutment body 208 and is located inside the abutment body 208, the spring 210 is disposed between the abutment body 208 and the sliding rod 209, and the first abutment 105 is provided with a clamping groove matched with the sliding rod 209. In order to make it easier to rotate the rotating sleeve 110 for connection, the sliding rod 209 is provided on the abutment body 208 and can slide relative to the abutment body 208 to enter into the corresponding clamping groove on the first abutment 105 for preliminary connection.
The second abutment 108 further comprises a ball 211, and the ball 211 is in rolling connection with the sliding rod 209 and is positioned in the clamping groove. The balls 211 can enable the sliding rod 209 to better enter the clamping groove or be taken out of the clamping groove during disassembly.
The sleeve 107 comprises two sleeve shells 212, a connecting bolt 213 and a nut 214, wherein the two sleeve shells 212 are sleeved on the outer side of the limiting sleeve 103 and are fixedly connected through the cooperation of the connecting bolt 213 and the nut 214. The two sleeve cases 212 may be coupled by the coupling bolts 213, so that the use is more convenient.
The sliding sleeve 109 comprises a sliding sleeve body 215 and a sealing ring 216, wherein the sealing ring 216 is arranged between the sliding sleeve body 215 and the rotating sleeve 110. The tightness of the sliding sleeve body 215 and the bracket of the rotating sleeve 110 can be increased through the sealing ring 216, so that the use is more convenient.
Third embodiment
Referring to fig. 6, fig. 6 is a block diagram of a quick-assembling casing head according to a third embodiment of the present invention. On the basis of the second embodiment, the invention also provides a quick-assembling sleeve 107 head, the rotating sleeve 110 comprises a sleeve body 301, a handle 302 and a non-slip pad 303, the handle 302 is slidably connected with the sleeve body 301 and is positioned on one side of the sleeve body 301, and the non-slip pad 303 is fixed on the handle 302. In order to rotate the sleeve 301 more effort-saving, the handle 302 is provided on the sleeve 301, so that the handle 302 can be slid out of the sleeve 301 to rotate when rotating, and the anti-slip pad 303 can increase friction between the handle 302 and a user.
The handle 302 includes a handle body 304, two triangular blocks 305, and an elastic member 306, where the two triangular blocks 305 are slidably connected with the handle body 304 and located on two sides of the handle body 304, and the elastic member 306 is disposed between the two triangular blocks 305. The two triangular blocks 305 may slide relative to the handle body 304, so that when the handle body 304 moves to the use position, the triangular blocks 305 may enter corresponding grooves on the sleeve body 301 to be clamped, so that the position of the handle 302 is more stable in the use process.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (8)
1. A quick-assembling casing head is characterized in that,
Including coupling assembling and supporting component, coupling assembling includes stop collar, first butt joint and seal assembly, the stop collar sets up in one side of stay tube, the stop collar sets up the top of stop collar, first butt joint sets up the top of stop collar, seal assembly sets up the outside of first butt joint, the supporting component includes sleeve pipe, second butt joint, sliding sleeve, rotation cover, the sleeve pipe is established the outside of stop collar, the second butt joint with sleeve pipe fixed connection, and with first butt joint matches, the sliding sleeve with sleeve pipe sliding connection is located one side of sleeve pipe, rotation cover with the sliding sleeve rotates to be connected, and with side threaded connection of first butt joint, rotation cover includes the cover body, handle and slipmat, the handle with cover body sliding connection is located one side of the cover body, slipmat is fixed on the handle, the handle includes handle body, two triangular pieces and elastic component, two triangular pieces with two triangular pieces are located between the two triangular pieces, two triangular pieces are located between the elastic component sets.
2. A quick-fit casing head according to claim 1,
The limiting ring comprises a left ring, a right ring and a fixer, wherein the left ring is rotationally connected with the right ring and is positioned on one side of the right ring, and the fixer is arranged on the right ring.
3. A quick-fit casing head according to claim 2, wherein,
The connecting assembly further comprises a squeezing pad, wherein the squeezing pad is fixedly connected with the first butt joint and is positioned on the contact surface of the first butt joint and the second butt joint.
4. A quick-fit casing head according to claim 3,
The sealing assembly comprises a connecting ring, a sliding plug and a sealing ring group, wherein the sliding plug is in sliding connection with the first butt joint and is positioned in the first butt joint, the connecting ring is arranged at the bottom of the sliding plug, and the sealing ring group is arranged at the bottom of the connecting ring and is positioned at the outer sides of the first butt joint and the second butt joint.
5. A quick-fit casing head according to claim 4, wherein,
The second butt joint comprises a butt joint body, a sliding rod and a spring, wherein the sliding rod is in sliding connection with the butt joint body and is positioned on the inner side of the butt joint body, the spring is arranged between the butt joint body and the sliding rod, and a clamping groove matched with the sliding rod is formed in the first butt joint.
6. A quick-fit casing head according to claim 5, wherein,
The second butt joint also comprises a ball, and the ball is in rolling connection with the sliding rod and is positioned in the clamping groove.
7. A quick-fit casing head according to claim 6, wherein,
The sleeve comprises two sleeve shells, connecting bolts and nuts, wherein the two sleeve shells are sleeved on the outer sides of the limiting sleeves and are fixedly connected through the cooperation of the connecting bolts and the nuts.
8. A quick-fit casing head according to claim 7,
The sliding sleeve comprises a sliding sleeve body and a sealing ring, and the sealing ring is arranged between the sliding sleeve body and the rotating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311468755.XA CN117248851B (en) | 2023-11-07 | 2023-11-07 | Quick-assembling casing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311468755.XA CN117248851B (en) | 2023-11-07 | 2023-11-07 | Quick-assembling casing head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117248851A CN117248851A (en) | 2023-12-19 |
| CN117248851B true CN117248851B (en) | 2024-05-03 |
Family
ID=89133474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311468755.XA Active CN117248851B (en) | 2023-11-07 | 2023-11-07 | Quick-assembling casing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117248851B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210918963U (en) * | 2019-09-23 | 2020-07-03 | 江苏政轩石油机械股份有限公司 | Novel ready-package casing head |
| CN212837668U (en) * | 2020-06-01 | 2021-03-30 | 山东华恒智能装备有限公司 | Novel casing head |
| CN219828092U (en) * | 2022-12-22 | 2023-10-13 | 建湖双湖机械有限公司 | Pipe joint capable of being quickly connected and installed in butt joint mode |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060225890A1 (en) * | 2005-04-08 | 2006-10-12 | Ray Randall G | Tubing rotator |
| US10443335B2 (en) * | 2016-08-31 | 2019-10-15 | National Oilwell Varco, L.P. | Apparatus, systems, and methods for a rotatable hanger assembly |
-
2023
- 2023-11-07 CN CN202311468755.XA patent/CN117248851B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210918963U (en) * | 2019-09-23 | 2020-07-03 | 江苏政轩石油机械股份有限公司 | Novel ready-package casing head |
| CN212837668U (en) * | 2020-06-01 | 2021-03-30 | 山东华恒智能装备有限公司 | Novel casing head |
| CN219828092U (en) * | 2022-12-22 | 2023-10-13 | 建湖双湖机械有限公司 | Pipe joint capable of being quickly connected and installed in butt joint mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117248851A (en) | 2023-12-19 |
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