CN114809971A - Quick sealing device of oil gas exploitation well head - Google Patents
Quick sealing device of oil gas exploitation well head Download PDFInfo
- Publication number
- CN114809971A CN114809971A CN202210194456.0A CN202210194456A CN114809971A CN 114809971 A CN114809971 A CN 114809971A CN 202210194456 A CN202210194456 A CN 202210194456A CN 114809971 A CN114809971 A CN 114809971A
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- CN
- China
- Prior art keywords
- oil
- sealing
- block
- oil gas
- fixing
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 67
- 238000009434 installation Methods 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 7
- 239000003129 oil well Substances 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 51
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000346 nonvolatile oil Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 44
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
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)
- Pipe Accessories (AREA)
Abstract
The invention discloses a quick sealing device for an oil gas exploitation wellhead, which comprises: the fixing assembly is installed underground the oil wellhead, and the installation end of the fixing assembly extends to the ground; the sealing installation component is installed in the fixing component, is inserted into the fixing component in a sliding mode, and is locked and fixed with the fixing component through a fixing threaded pin. The oil gas collecting pipeline sealing device has the advantages that the fixing assembly and the sealing installation assembly are designed in a split mode, the fixing assembly and the sealing installation assembly can be separated quickly while sealing is carried out, and the oil gas collecting pipeline is convenient to maintain and clean; through the setting of annular seal gasbag, can hug closely the surface realization of oil gas collection pipeline through annular seal gasbag and seal to this mode cooperation arc splint use, also have the effect of certain fixed oil gas collection pipeline.
Description
Technical Field
The invention relates to the technical field of oil and gas exploitation, in particular to a quick sealing device for an oil and gas exploitation wellhead.
Background
Oil and gas extraction is a process of extracting oil, natural gas, and the like buried in an underground oil reservoir from the ground. The mode of exploiting oil and gas from underground to the ground can be divided into the following steps according to whether the energy is artificially supplemented to the well bore fluid: self-spraying and artificial lifting. The artificial lift oil production comprises: gas lift oil production, sucker rod pump oil production, submersible electric centrifugal pump oil production, hydraulic piston pump oil production, jet pump oil production, and the like.
The sealing of well head is crucial in oil gas exploitation in-process well head, and it is mainly for the well head sand control is waterproof, and prior art, mostly with oil gas acquisition pipeline and well head screw thread or welding process, but this mode is when the clearance is maintained to oil gas acquisition pipeline to needs, very inconvenient, consequently, we provide an oil gas exploitation well head quick sealing device.
Disclosure of Invention
The invention aims to provide a quick sealing device for an oil gas exploitation wellhead, which can quickly separate a fixing component from a sealing installation component while sealing through the split design of the fixing component and the sealing installation component, is convenient for maintaining and cleaning an oil gas acquisition pipeline, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a rapid oil and gas recovery wellhead seal, comprising:
the fixing assembly is installed underground the oil wellhead, and the installation end of the fixing assembly extends to the ground;
the sealing installation component is installed in the fixing component, is inserted in the fixing component in a sliding mode, and is locked and fixed with the fixing component through a fixing threaded pin;
the oil gas collecting pipeline is arranged in the sealing installation component, one end of the oil gas collecting pipeline extends to the upper part of the sealing installation component, a plurality of groups of collecting ports are formed in one end of the oil gas collecting pipeline, valves are arranged on the plurality of groups of collecting ports in a one-to-one correspondence mode, and the other end of the oil gas collecting pipeline extends to the lower end of the fixing component;
the fixing assembly includes:
the cross section of the hollow fixing shell is in a convex shape, and the annular limiting block is arranged on the outer wall of the hollow fixing shell;
the hollow stationary housing includes:
the annular limiting block is integrally arranged on the outer wall of the lower fixing part, and the sealing installation component is installed in the upper connecting part;
a threaded through hole is formed in the side wall of the upper connecting part, the fixed threaded pin is installed inside the threaded through hole in a threaded manner, and one end of the fixed threaded pin extends into the upper connecting part;
the seal mounting assembly includes:
the mounting block and the inserting block are arranged on the outer side wall of the mounting block, a slot is formed in the inner wall of the upper connecting portion, the inserting block is inserted into the slot in a sliding mode, the threaded through hole is formed in the slot, positioning holes are formed in the side wall of the inserting block at equal intervals, and one end of the fixed threaded pin is inserted into the positioning holes.
Preferably, the inner bottom of the upper connecting part is provided with a sealing ring, the lower end of the mounting block is provided with a sealing groove corresponding to the sealing ring, and the sealing ring is clamped in the sealing groove in a sealing manner.
Preferably, the inside of installation piece is seted up and is used for the via hole that oil gas collection pipeline passed, the inside of via hole is provided with annular seal gasbag, the last embedded gas tube that has of installation piece, the end of giving vent to anger of gas tube with the inside intercommunication of annular seal gasbag, annular seal gasbag contradict in on the outer wall of oil gas collection pipeline.
Preferably, the inside wall of via hole has seted up the spliced eye, the inside slip grafting of spliced eye has the slide bar, the one end of slide bar is fixed with arc splint, be provided with arc anti-skidding rubber gasket on the inner wall of arc splint.
Preferably, two sets of blind holes are symmetrically formed in the upper end of the mounting block, limiting rods are inserted into the blind holes, the insertion holes are communicated with the insides of the blind holes, and the other ends of the sliding rods abut against the limiting rods.
Preferably, the slide bar is sleeved with an extension spring, and two ends of the extension spring are respectively connected with the inner wall of the through hole and the side wall of the arc-shaped clamping plate.
Preferably, the upper end of the limiting rod is provided with two groups of annular ejecting blocks respectively, the two groups of annular ejecting blocks are arranged corresponding to the inserting holes, the other end of the sliding rod is arranged to be an arc end, and the arc end of the sliding rod is abutted to the annular ejecting blocks.
Preferably, an annular elastic sealing block is arranged inside the lower fixing part, an arc-shaped guide edge is arranged at an opening at the upper end of the annular elastic sealing block, and the aperture of the annular elastic sealing block is smaller than the outer diameter of the oil gas collecting pipeline by 3-5 mm.
Preferably, the upper end of gag lever post is provided with the limiting plate, the end of limiting plate is embedded to have the neodymium iron boron magnet block, neodymium iron boron magnet block adsorbs to be fixed in the upper surface of installation piece.
In summary, due to the adoption of the technology, the invention has the beneficial effects that:
according to the invention, through the split design of the fixing component and the seal installation component, the fixing component and the seal installation component can be quickly separated while sealing, so that the oil gas collection pipeline is convenient to maintain and clean;
on the basis of the beneficial effects, the annular sealing air bag is arranged, the annular sealing air bag can be tightly attached to the surface of the oil gas collecting pipeline to realize sealing, and the mode is matched with the arc-shaped clamping plate for use and also has the effect of fixing the oil gas collecting pipeline to a certain extent;
on the basis of the beneficial effects, the limiting rod is matched with the sliding rod and the extension spring for use, so that the arc-shaped clamping plate and the arc-shaped anti-skidding rubber gasket arranged on the inner wall of the arc-shaped clamping plate can be ensured to clamp and fix the oil gas collecting pipeline, and further the fixation of the oil gas collecting pipeline is realized;
on the basis of the beneficial effects, the annular limiting block is arranged on the outer wall of the hollow fixed shell, so that the lower fixed part is firmly fixed after being installed on the ground of an oil well mouth, and displacement caused by the disassembly and assembly of the fixed assembly and the sealing installation assembly is avoided.
Drawings
FIG. 1 is a schematic structural view of a rapid oil and gas production wellhead seal of the present invention;
FIG. 2 is a schematic structural view of a fixing assembly according to the present invention;
FIG. 3 is a schematic structural view of the seal mounting assembly of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic structural diagram of the plugging block of the present invention;
fig. 6 is a schematic structural view of the arc splint of the present invention.
In the figure: 1. a fixing assembly; 2. a seal mounting assembly; 3. fixing the threaded pin; 4. an oil gas collection pipeline; 5. a collection port; 6. a valve; 7. a hollow stationary housing; 8. an annular stop block; 9. an upper connecting portion; 10. a lower fixing portion; 11. a threaded through hole; 12. mounting blocks; 13. an insertion block; 14. a slot; 15. positioning holes; 16. a seal ring; 17. a sealing groove; 18. a via hole; 19. an annular sealing air bag; 20. an inflation tube; 21. inserting holes; 22. a slide bar; 23. an arc-shaped splint; 24. an arc-shaped anti-slip rubber gasket; 25. blind holes; 26. a limiting rod; 27. an extension spring; 28. an annular top block; 29. an annular elastic sealing block; 30. an arc-shaped guide edge; 31. a limiting plate; 32. neodymium iron boron magnet block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The present invention provides a rapid sealing device for an oil and gas production wellhead as shown in fig. 1-6, comprising:
the fixing component 1 is arranged underground the oil wellhead, and the mounting end of the fixing component 1 extends to the ground;
the sealing installation component 2 is installed in the fixing component 1, the sealing installation component 2 is inserted in the fixing component 1 in a sliding mode, and the sealing installation component 2 is locked and fixed with the fixing component 1 through a fixing threaded pin 3;
the oil gas collecting pipeline 4 is installed inside the sealing installation component 2, one end of the oil gas collecting pipeline 4 extends to the upper portion of the sealing installation component 2, one end of the oil gas collecting pipeline 4 is provided with not less than four groups of collecting ports 5, valves 6 are correspondingly arranged on the not less than four groups of collecting ports 5 in a one-to-one correspondence mode, and the other end of the oil gas collecting pipeline 4 extends to the lower end of the fixing component 1;
further, as shown in fig. 2, the fixing assembly 1 includes:
a hollow fixed shell 7 with a convex cross section and an annular limiting block 8 arranged on the outer wall of the hollow fixed shell 7;
specifically, as shown in fig. 2, the hollow stationary casing 7 includes:
the lower fixing part 10 is arranged on the ground of an oil well wellhead to ensure firm fixation and prevent displacement caused by the disassembly and assembly of the fixing component 1 and the sealing installation component 2;
a threaded through hole 11 is formed in the side wall of the upper connecting part 9, the fixed threaded pin 3 is installed inside the threaded through hole 11 in a threaded manner, and one end of the fixed threaded pin 3 extends into the upper connecting part 9;
the inner bottom of the upper connecting part 9 is provided with a sealing ring 16, the lower end of the mounting block 12 is provided with a sealing groove 17 corresponding to the sealing ring 16, and the sealing ring 16 is clamped in the sealing groove 17 in a sealing manner.
Specifically, an annular elastic sealing block 29 is arranged inside the lower fixing part 10, an arc-shaped guide edge 30 is arranged at an opening at the upper end of the annular elastic sealing block 29, and the aperture of the annular elastic sealing block 29 is smaller than the outer diameter of the oil gas collecting pipeline 4 by 3-5 mm.
Specifically, as shown in fig. 2 and 5, the seal mounting assembly 2 includes:
the mounting block 12 and the inserting block 13 are arranged on the outer side wall of the mounting block 12, a slot 14 is formed in the inner wall of the upper connecting portion 9, the inserting block 13 is inserted into the slot 14 in a sliding mode, the threaded through hole 11 is formed in the slot 14, positioning holes 15 are formed in the side wall of the inserting block 13 at equal intervals, and one end of the fixed threaded pin 3 is inserted into the positioning holes 15;
specifically, as shown in fig. 2, the inside of installation piece 12 is offered and is used for the via hole 18 that oil gas collection pipeline 4 passed, the inside of via hole 18 is provided with annular seal gasbag 19, the last embedded gas tube 20 that has of installation piece 12, the end of giving vent to anger of gas tube 20 and the inside intercommunication of annular seal gasbag 19, annular seal gasbag 19 contradicts on the outer wall of oil gas collection pipeline 4, through the setting of annular seal gasbag 19, can hug closely the surface realization of oil gas collection pipeline 4 through annular seal gasbag 19 and seal, and this mode cooperation arc splint 23 uses, also have the effect of certain fixed oil gas collection pipeline 4.
Further, as shown in fig. 3 and 6, an insertion hole 21 is formed in the inner side wall of the through hole 18, a sliding rod 22 is inserted into the insertion hole 21 in a sliding manner, an arc-shaped clamping plate 23 is fixed at one end of the sliding rod 22, an arc-shaped anti-skidding rubber gasket 24 is arranged on the inner wall of the arc-shaped clamping plate 23, an extension spring 27 is sleeved on the sliding rod 22, and two ends of the extension spring 27 are respectively connected with the inner wall of the through hole 18 and the side wall of the arc-shaped clamping plate 23;
further, as shown in fig. 3, two sets of blind holes 25 are symmetrically formed in the upper end of the mounting block 12, the limiting rods 26 are inserted into the two sets of blind holes 25, a limiting plate 31 is disposed at the upper end of the limiting rod 26, neodymium iron boron magnet blocks 32 are embedded in the end of the limiting plate 31, the neodymium iron boron magnet blocks 32 are fixed on the upper surface of the mounting block 12 in an adsorbing manner, the insertion holes 21 are communicated with the interiors of the blind holes 25, the other end of the sliding rod 22 abuts against the limiting rod 26, two sets of annular ejector blocks 28 are disposed at the upper end of the limiting rod 26, the two sets of annular ejector blocks 28 are disposed corresponding to the insertion holes 21, the other end of the sliding rod 22 is disposed as an arc end, the arc end of the sliding rod 22 abuts against the annular ejector blocks 28, the limiting rod 26 is matched with the sliding rod 22 and the extension spring 27 for use, so that the arc-shaped clamping plate 23 and the arc-shaped anti-skidding rubber gasket 24 arranged on the inner wall of the arc-shaped clamping plate 23 can be used for clamping and fixing the oil-gas collection pipeline 4, and further fixing the oil-gas collection pipeline 4.
The principle is as follows: through the split type design of fixed subassembly 1 and seal installation subassembly 2, in sealed, can part fixed subassembly 1 and seal installation subassembly 2 fast, be convenient for maintain the clearance to the oil gas collection pipeline.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (9)
1. A quick seal for a hydrocarbon producing wellhead comprising:
the fixing assembly (1) is installed underground at an oil well mouth, and the installation end of the fixing assembly (1) extends to the ground;
the sealing installation component (2) is installed in the fixed component (1), the sealing installation component (2) is inserted in the fixed component (1) in a sliding mode, and the sealing installation component (2) is locked and fixed with the fixed component (1) through a fixed threaded pin (3);
the oil gas collecting pipeline (4) is installed inside the sealing installation component (2), one end of the oil gas collecting pipeline (4) extends to the upper portion of the sealing installation component (2), a plurality of groups of collecting ports (5) are formed in one end of the oil gas collecting pipeline (4), valves (6) are arranged on the collecting ports (5) in a one-to-one correspondence mode, and the other end of the oil gas collecting pipeline (4) extends to the lower end of the fixing component (1);
the fixation assembly (1) comprises:
a hollow fixed shell (7) with a convex cross section and an annular limiting block (8) arranged on the outer wall of the hollow fixed shell (7);
the hollow stationary casing (7) comprises:
the sealing device comprises an upper connecting part (9) and a lower fixing part (10), wherein the annular limiting block (8) is integrally arranged on the outer wall of the lower fixing part (10), and the sealing mounting assembly (2) is mounted in the upper connecting part (9);
a threaded through hole (11) is formed in the side wall of the upper connecting part (9), the fixed threaded pin (3) is installed inside the threaded through hole (11) in a threaded mode, and one end of the fixed threaded pin (3) extends into the upper connecting part (9);
the seal mounting assembly (2) comprises:
the mounting block (12) and the inserting block (13) arranged on the outer side wall of the mounting block (12), a slot (14) is formed in the inner wall of the upper connecting portion (9), the inserting block (13) is inserted into the slot (14) in a sliding mode, the thread through hole (11) is formed in the slot (14), positioning holes (15) are formed in the side wall of the inserting block (13) at equal intervals, and one end of the fixing thread pin (3) is inserted into the positioning holes (15).
2. A rapid seal for an oil and gas production wellhead as claimed in claim 1 wherein: the inner bottom of the upper connecting portion (9) is provided with a sealing ring (16), the lower end of the mounting block (12) is provided with a sealing groove (17) corresponding to the sealing ring (16), and the sealing ring (16) is clamped in the sealing groove (17).
3. A rapid seal for an oil and gas production wellhead as claimed in claim 1 wherein: the inside of installation piece (12) is seted up and is used for via hole (18) that oil gas collection pipeline (4) passed, the inside of via hole (18) is provided with annular air-tight bag (19), the last embedded gas tube (20) that has of installation piece (12), the end of giving vent to anger of gas tube (20) with the inside intercommunication of annular air-tight bag (19), annular air-tight bag (19) contradict in on the outer wall of oil gas collection pipeline (4).
4. A rapid seal for an oil and gas production wellhead as claimed in claim 2 wherein: the anti-skidding rubber gasket is characterized in that an inserting hole (21) is formed in the inner side wall of the via hole (18), a sliding rod (22) is inserted into the inserting hole (21) in a sliding mode, an arc-shaped clamping plate (23) is fixed to one end of the sliding rod (22), and an arc-shaped anti-skidding rubber gasket (24) is arranged on the inner wall of the arc-shaped clamping plate (23).
5. A fast seal for an oil and gas production wellhead as claimed in claim 4 in which: two sets of blind holes (25) have been seted up to the upper end symmetry of installation piece (12), and it is two sets of blind hole (25) are inside all to peg graft there is gag lever post (26), spliced eye (21) with blind hole (25) are inside to be the intercommunication setting, the other end of slide bar (22) is contradicted in on gag lever post (26).
6. A fast seal for an oil and gas production wellhead as claimed in claim 5 in which: the sliding rod (22) is sleeved with an extension spring (27), and two ends of the extension spring (27) are connected with the inner wall of the through hole (18) and the side wall of the arc-shaped clamping plate (23) respectively.
7. A fast seal for an oil and gas production wellhead as claimed in claim 5 in which: two groups of annular jacking blocks (28) are respectively arranged at the upper end of the limiting rod (26), the positions of the two groups of annular jacking blocks (28) and the insertion holes (21) are correspondingly arranged, the other end of the sliding rod (22) is an arc end, and the arc end of the sliding rod (22) is abutted against the annular jacking blocks (28).
8. A rapid seal for an oil and gas production wellhead as claimed in claim 1 wherein: an annular elastic sealing block (29) is arranged inside the lower fixing portion (10), an arc-shaped guide edge (30) is arranged at an opening at the upper end of the annular elastic sealing block (29), and the aperture of the annular elastic sealing block (29) is smaller than the outer diameter of the oil and gas collection pipeline (4) by 3-5 mm.
9. A fast seal for an oil and gas production wellhead as claimed in claim 5 in which: the upper end of gag lever post (26) is provided with limiting plate (31), the end of limiting plate (31) is embedded to have neodymium iron boron magnet block (32), neodymium iron boron magnet block (32) adsorb and are fixed in the upper surface of installation piece (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194456.0A CN114809971B (en) | 2022-03-01 | 2022-03-01 | Quick sealing device for oil gas exploitation wellhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194456.0A CN114809971B (en) | 2022-03-01 | 2022-03-01 | Quick sealing device for oil gas exploitation wellhead |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114809971A true CN114809971A (en) | 2022-07-29 |
| CN114809971B CN114809971B (en) | 2023-09-29 |
Family
ID=82529331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210194456.0A Active CN114809971B (en) | 2022-03-01 | 2022-03-01 | Quick sealing device for oil gas exploitation wellhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114809971B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189016A (en) * | 2023-09-08 | 2023-12-08 | 建湖县鸿达阀门管件有限公司 | Gas production wellhead device capable of automatically detecting and early warning |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080135229A1 (en) * | 2006-12-07 | 2008-06-12 | Vetco Gray Inc. | Flex-lock metal seal system for wellhead members |
| CN208073396U (en) * | 2018-01-18 | 2018-11-09 | 江苏庆海石油机械有限公司 | A kind of well mouth sealing device being easily installed |
| CN111980617A (en) * | 2020-08-25 | 2020-11-24 | 中国石油大学(华东) | Well head protector for oil and gas field development |
| CN214035595U (en) * | 2021-01-14 | 2021-08-24 | 王强 | Well head sealing device for thermal oil extraction |
| CN215907800U (en) * | 2021-04-20 | 2022-02-25 | 西派集团有限公司 | Multilayer fast-assembling type wellhead assembly |
-
2022
- 2022-03-01 CN CN202210194456.0A patent/CN114809971B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080135229A1 (en) * | 2006-12-07 | 2008-06-12 | Vetco Gray Inc. | Flex-lock metal seal system for wellhead members |
| CN208073396U (en) * | 2018-01-18 | 2018-11-09 | 江苏庆海石油机械有限公司 | A kind of well mouth sealing device being easily installed |
| CN111980617A (en) * | 2020-08-25 | 2020-11-24 | 中国石油大学(华东) | Well head protector for oil and gas field development |
| CN214035595U (en) * | 2021-01-14 | 2021-08-24 | 王强 | Well head sealing device for thermal oil extraction |
| CN215907800U (en) * | 2021-04-20 | 2022-02-25 | 西派集团有限公司 | Multilayer fast-assembling type wellhead assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189016A (en) * | 2023-09-08 | 2023-12-08 | 建湖县鸿达阀门管件有限公司 | Gas production wellhead device capable of automatically detecting and early warning |
| CN117189016B (en) * | 2023-09-08 | 2024-03-08 | 建湖县鸿达阀门管件有限公司 | Gas production wellhead device capable of automatically detecting and early warning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114809971B (en) | 2023-09-29 |
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