CN109441390B - 36 Inch single-cylinder double-wellhead oil extraction device - Google Patents
36 Inch single-cylinder double-wellhead oil extraction device Download PDFInfo
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- CN109441390B CN109441390B CN201811153658.0A CN201811153658A CN109441390B CN 109441390 B CN109441390 B CN 109441390B CN 201811153658 A CN201811153658 A CN 201811153658A CN 109441390 B CN109441390 B CN 109441390B
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- sleeve
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- sleeves
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- 238000000605 extraction Methods 0.000 title abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims 1
- 241000191291 Abies alba Species 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000000725 suspension Substances 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
-
- 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
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 invention provides a 36 inch single-cylinder double-wellhead oil extraction device, which comprises: the base is provided with a bottom plate, a mounting sleeve is fixedly mounted on the bottom plate, a 36-inch inverted slip is mounted in the mounting sleeve, a first sleeve is fixedly mounted on the 36-inch inverted slip, a plurality of 36-inch O-shaped sealing rings are arranged between the outer wall of the first sleeve and the inner wall of the mounting sleeve, and the plurality of 36-inch O-shaped sealing rings are equidistantly arranged along the axial direction of the first sleeve; two oil recovery mechanisms of symmetry setting, its fixed mounting is on the base, and oil recovery mechanism has the second sleeve pipe, and second sleeve pipe fixed connection first sleeve pipe, second sleeve pipe overcoat are equipped with the sleeve, are connected with oil pipe on the second sleeve pipe, and oil pipe connection christmas tree is provided with a plurality of first FS sealing washer between the outer wall of second sleeve pipe and the telescopic inner wall, and a plurality of first FS sealing washer are arranged along second sheathed tube axial equidistance. Compared with the prior art, the invention can effectively improve the overall sealing performance of the oil extraction device.
Description
Technical Field
The invention relates to the field of oil and gas production wellhead devices, in particular to a 36 inch single-cylinder double-wellhead oil production device.
Background
The well head device mainly comprises oil (gas) extraction tree, tubing head, casing head and related fittings, is oil (gas) extraction equipment for suspension, support, control, regulation and the like, is used as important equipment for oil and gas production, and has the advantage and disadvantage of the performance related to whether the oil and gas well can safely and efficiently produce. Advanced, with the continued development of the petroleum industry, there is also a growing demand for reliability and control of wellhead devices and valves, which has prompted and motivated continued improvement and development of wellhead devices.
In the current oil extraction gas wellhead device, a casing head is mainly used for fixing a wellhead of a drilling well, connecting a wellhead casing string, supporting the gravity of a technical casing and an oil layer casing, sealing an annular space between each layer of pipes, providing transitional connection for installing a blowout preventer and a tubing head and a production tree, and carrying out construction operations such as slurry supplementing, monitoring, balance liquid filling and the like through two side ports on a casing head body. In the current casing head structure, the casing head body mainly has the problem of weak sealing performance.
Disclosure of Invention
In view of the above, the invention provides a 36 inch single-barrel double-wellhead oil extraction device with stronger sealing performance.
For this purpose, the invention provides a 36 inch single-barrel double wellhead oil extraction device, which comprises:
The base is provided with a bottom plate, a mounting sleeve is fixedly mounted on the bottom plate, a 36-inch inverted slip is mounted in the mounting sleeve, a first sleeve is fixedly mounted on the 36-inch inverted slip, a plurality of 36-inch O-shaped sealing rings are arranged between the outer wall of the first sleeve and the inner wall of the mounting sleeve, and the plurality of 36-inch O-shaped sealing rings are equidistantly arranged along the axial direction of the first sleeve;
Two oil recovery mechanisms of symmetry setting, its fixed mounting is on the base, and oil recovery mechanism has the second sleeve pipe, and second sleeve pipe fixed connection first sleeve pipe, second sleeve pipe overcoat are equipped with the sleeve, are connected with oil pipe on the second sleeve pipe, and oil pipe connection christmas tree is provided with a plurality of first FS sealing washer between the outer wall of second sleeve pipe and the telescopic inner wall, and a plurality of first FS sealing washer are arranged along second sheathed tube axial equidistance.
Further, a horizontal connecting pipe is arranged at the joint of the second sleeve and the first sleeve.
Further, the LP ball valve is installed on the horizontal connection pipe, and a 1502 joint is provided at an end of the horizontal connection pipe.
Further, a first slip type hanger or a first mandrel hanger is arranged between the outer wall of the second sleeve and the inner wall of the sleeve.
Further, a plurality of second FS sealing rings are arranged between the outer wall of the sleeve and the inner wall of the mounting sleeve, and the plurality of second FS sealing rings are arranged at equal intervals along the axial direction of the sleeve.
Further, the mounting sleeve is provided with two mounting positions corresponding to the two oil extraction mechanisms.
Further, an oil pipe hanging piece is arranged between the oil pipe and the sleeve.
Further, two third FS sealing rings are arranged between the oil pipe hanging piece and the sleeve at equal intervals along the axial direction of the sleeve, an annular groove is formed in the side face of the oil pipe hanging piece, the cross section of the annular groove is conical, and the annular groove is located between the two third FS sealing rings.
Further, a second mandrel hanger is further arranged between the oil pipe and the sleeve, and is positioned below the oil pipe hanger.
Further, a trapezoid supporting block is arranged between the second mandrel type hanger and the sleeve, and an O-shaped sealing ring is arranged between the trapezoid supporting block and the sleeve.
The invention provides a 36 inch single-cylinder double-wellhead oil extraction device, which is mainly provided with a base and two symmetrical oil extraction mechanisms fixedly arranged on the base; through the improvement of the structure, the functions of a plurality of 36 inch O-shaped sealing rings and a plurality of first FS sealing rings are utilized, so that the overall sealing performance is enhanced, and the sealing performance of the single-cylinder double-wellhead oil extraction device can be effectively improved compared with the prior art.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a perspective view of a 36 inch single-barrel double wellhead oil production device provided by an embodiment of the invention;
FIG. 2 is a side view of a 36 inch single-barrel dual wellhead oil production device provided by an embodiment of the invention;
FIG. 3 is a top view of a 36 inch single-barrel dual wellhead oil production device provided by an embodiment of the invention;
FIG. 4 is a schematic diagram of the internal structure of a 36 inch single-barrel double wellhead oil production device according to an embodiment of the present invention;
Fig. 5 is an enlarged view of a portion a in fig. 4;
fig. 6 is an enlarged view of the portion B in fig. 4.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Embodiment one:
Referring to fig. 1 to 6, a 36 inch single-barrel double wellhead oil production device provided by an embodiment of the invention is shown, which comprises a base 1 and two oil production mechanisms 2, wherein the base 1 is provided with a bottom plate 11, a mounting sleeve 12 is fixedly mounted on the bottom plate 11, the mounting sleeve 12 is provided with two mounting positions 121 corresponding to the two oil production mechanisms 2, a 36 inch inverted slip 13 is mounted in the mounting sleeve 12, a first sleeve 14 is fixedly mounted on the 36 inch inverted slip 13, a plurality of 36 inch O-shaped sealing rings 15 are arranged between the outer wall of the first sleeve 14 and the inner wall of the mounting sleeve 12, the plurality of 36 inch O-shaped sealing rings 15 are equidistantly arranged along the axial direction of the first sleeve 14, the symmetrically arranged two oil production mechanisms 2 are fixedly mounted on the base 1, the oil production mechanisms 2 are provided with a second sleeve 21, the second sleeve 21 is fixedly connected with the first sleeve 14, a sleeve 22 is sleeved outside the second sleeve 21, an oil pipe 23 is connected with the oil pipe 23, a plurality of first FS sealing rings 25 are arranged between the outer wall of the second sleeve 21 and the inner wall of the sleeve 22, and the plurality of first FS 25 are equidistantly arranged along the axial direction of the second sleeve 21.
The 36 inch single-cylinder double-wellhead oil extraction device provided by the embodiment is mainly provided with a base and two symmetrical oil extraction mechanisms fixedly arranged on the base; through the improvement of the structure, the functions of a plurality of 36 inch O-shaped sealing rings and a plurality of first FS sealing rings are utilized, so that the overall sealing performance is enhanced, and the sealing performance of the single-cylinder double-wellhead oil extraction device can be effectively improved compared with the prior art.
Referring to fig. 4 to 6, a horizontal connection pipe 3 is provided at the junction of the second sleeve 21 and the first sleeve 14, an LP ball valve 31 is mounted on the horizontal connection pipe 3, and a 1502 joint 32 is provided at the end of the horizontal connection pipe 3. Through the improvement of this structure, can realize here the controllable and quick assembly disassembly of flow.
Referring to fig. 4 to 6, a first slip type hanger 26 is provided between the outer wall of the second casing 21 and the inner wall of the sleeve 22 on the one hand, and a first mandrel type hanger 27 is provided between the outer wall of the second casing 21 and the inner wall of the sleeve 22 on the other hand.
Referring to fig. 4 to 6, a plurality of second FS seal rings 28 are provided between the outer wall of the sleeve 22 and the inner wall of the mounting bush 12, the plurality of second FS seal rings 28 being arranged equidistantly along the axial direction of the sleeve 22. By improving the structure, the whole sealing performance can be further improved.
Referring to fig. 4 to 6, an oil pipe hanger 4 is provided between the oil pipe 23 and the sleeve 22; two third FS sealing rings 41 which are equidistantly arranged along the axial direction of the sleeve 22 are arranged between the oil pipe hanging piece 4 and the sleeve 22, an annular groove 42 is formed in the side face of the oil pipe hanging piece 4, the cross section of the annular groove 42 is conical, and the annular groove 42 is located between the two third FS sealing rings 41. Through the improvement of the structure, the sealing performance can be improved by utilizing the two third FS sealing rings, and the deformation force of the mounting grooves of the sealing rings at the two sides of the sealing rings can be reduced by utilizing the conical structure of the annular grooves, so that the sealing rings are more firmly mounted and have stronger sealing performance.
Referring to fig. 4 to 6, a second mandrel hanger 5 is further provided between the oil pipe 23 and the sleeve 22, which is located below the oil pipe hanger 4; a trapezoid supporting block 51 is arranged between the second mandrel hanger 5 and the sleeve 22, an O-shaped sealing ring 52 is arranged between the trapezoid supporting block 51 and the sleeve 22, specifically, a chamfer surface 512 is formed on a vertical surface 511 (the trapezoid supporting block 51 is inverted) of the trapezoid supporting block 51, and the O-shaped sealing ring 52 is arranged between the chamfer surface 512 and the second mandrel hanger 5.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. A 36 "single-barrel double wellhead oil recovery device, comprising:
The base (1) is provided with a bottom plate (11), a mounting sleeve (12) is fixedly mounted on the bottom plate (11), a 36-inch inverted slip (13) is mounted in the mounting sleeve (12), a first sleeve (14) is fixedly mounted on the 36-inch inverted slip (13), a plurality of 36-inch 0-shaped sealing rings (15) are arranged between the outer wall of the first sleeve (14) and the inner wall of the mounting sleeve (12), and the 36-inch 0-shaped sealing rings (15) are equidistantly arranged along the axial direction of the first sleeve (14);
Two oil recovery mechanisms (2) which are symmetrically arranged are fixedly arranged on the base (1), the oil recovery mechanisms (2) are provided with second sleeves (21), the second sleeves (21) are fixedly connected with the first sleeves (14), sleeves (22) are sleeved outside the second sleeves (21), oil pipes (23) are connected to the second sleeves (21), the oil pipes (23) are connected with the oil recovery tree (24), a plurality of first FS sealing rings (25) are arranged between the outer wall of the second sleeves (21) and the inner wall of the sleeves (22), the first FS sealing rings (25) are arranged along the axial direction of the second sleeves (21) at equal intervals, a plurality of second FS sealing rings (28) are arranged between the outer wall of the sleeves (22) and the inner wall of the installation sleeve (12), an oil pipe (4) is arranged between the oil pipe (23) and the sleeves (22) at equal intervals along the axial direction of the sleeves (22), a plurality of annular grooves (42) are formed in the axial direction of the annular grooves (42) between the hanging pieces (4), the annular groove (42) is located between the two third FS sealing rings (41), a second mandrel type hanger (5) is further arranged between the oil pipe (23) and the sleeve (22), the second mandrel type hanger is located below the oil pipe hanger (4), a trapezoid supporting block (51) is arranged between the second mandrel type hanger (5) and the sleeve (22), and a 0-shaped sealing ring (52) is arranged between the trapezoid supporting block (51) and the sleeve (22).
2. A 36 inch single-barrel double wellhead oil production device according to claim 1, characterized in that the junction of the second casing (21) and the first casing (14) is provided with a horizontal connecting pipe (3).
3. The 36-inch single-cylinder double-wellhead oil production device according to claim 2, wherein an LP ball valve (31) is installed on the horizontal connecting pipe (3), and a 1502 joint (32) is arranged at the end of the horizontal connecting pipe (3).
4. A 36 inch single-barrel double wellhead oil production device according to claim 1, characterised in that a first slip hanger (26) or a first mandrel hanger (27) is provided between the outer wall of the second casing (21) and the inner wall of the sleeve (22).
5. A 36 inch single barrel double wellhead oil production device as claimed in claim 1 wherein the mounting sleeve (12) has two mounting locations (121) corresponding to the two oil production mechanisms (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811153658.0A CN109441390B (en) | 2018-09-30 | 2018-09-30 | 36 Inch single-cylinder double-wellhead oil extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811153658.0A CN109441390B (en) | 2018-09-30 | 2018-09-30 | 36 Inch single-cylinder double-wellhead oil extraction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109441390A CN109441390A (en) | 2019-03-08 |
| CN109441390B true CN109441390B (en) | 2024-05-07 |
Family
ID=65545418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811153658.0A Active CN109441390B (en) | 2018-09-30 | 2018-09-30 | 36 Inch single-cylinder double-wellhead oil extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441390B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439496B (en) * | 2019-08-16 | 2020-09-08 | 江苏卫东机械有限公司 | Double-base double-well casing head device |
| CN110714739B (en) * | 2019-11-25 | 2021-09-24 | 中国矿业大学 | Double-layer superposed single-well drainage and production ground device of coal bed gas-containing system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202417384U (en) * | 2011-12-29 | 2012-09-05 | 江苏金石机械集团有限公司 | Single-bore dual-well wellhead devices |
| CN204960865U (en) * | 2015-08-15 | 2016-01-13 | 江苏宏泰石化机械有限公司 | Whole ready -package oil recovery gas wellhead assembly |
| CN207829848U (en) * | 2018-02-01 | 2018-09-07 | 山东科瑞井控系统制造有限公司 | A kind of monoblock type wellhead for production |
| CN209339894U (en) * | 2018-09-30 | 2019-09-03 | 昆山艾蓓蓓阀门有限公司 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7740061B2 (en) * | 2003-12-31 | 2010-06-22 | Plexus Ocean Systems Ltd. | Externally activated seal system for wellhead |
| US7128143B2 (en) * | 2003-12-31 | 2006-10-31 | Plexus Ocean Systems Ltd. | Externally activated seal system for wellhead |
-
2018
- 2018-09-30 CN CN201811153658.0A patent/CN109441390B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202417384U (en) * | 2011-12-29 | 2012-09-05 | 江苏金石机械集团有限公司 | Single-bore dual-well wellhead devices |
| CN204960865U (en) * | 2015-08-15 | 2016-01-13 | 江苏宏泰石化机械有限公司 | Whole ready -package oil recovery gas wellhead assembly |
| CN207829848U (en) * | 2018-02-01 | 2018-09-07 | 山东科瑞井控系统制造有限公司 | A kind of monoblock type wellhead for production |
| CN209339894U (en) * | 2018-09-30 | 2019-09-03 | 昆山艾蓓蓓阀门有限公司 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
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| Publication number | Publication date |
|---|---|
| CN109441390A (en) | 2019-03-08 |
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