CN115788347A - Gas production wellhead capable of preventing gas impurity corrosion - Google Patents
Gas production wellhead capable of preventing gas impurity corrosion Download PDFInfo
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- CN115788347A CN115788347A CN202310043983.6A CN202310043983A CN115788347A CN 115788347 A CN115788347 A CN 115788347A CN 202310043983 A CN202310043983 A CN 202310043983A CN 115788347 A CN115788347 A CN 115788347A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 238000005260 corrosion Methods 0.000 title claims abstract description 18
- 230000007797 corrosion Effects 0.000 title claims abstract description 18
- 239000012535 impurity Substances 0.000 title claims abstract description 12
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 15
- 241000883990 Flabellum Species 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 5
- 239000000356 contaminant Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 44
- 238000001125 extrusion Methods 0.000 description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
The invention discloses a gas production wellhead capable of preventing gas impurity corrosion, which relates to the technical field of gas production wellheads and comprises the following components: the gas production well comprises a bottom plate, a gas production well head and a motor, wherein the top of the bottom plate is provided with a socket, a round opening is formed in a center shaft at the top of the bottom plate, the inner side of the round opening is fixedly provided with the gas production well head, and the center shaft at the inner side of the gas production well head is provided with the motor; the protection assembly comprises a protection block which is contacted with the top of the bottom plate, and the top of the protection block is fixedly connected with a supporting column. According to the invention, through the protection component, after the motor is started, the sleeve block and the fan blade start to rotate under the driving of the rotating rod, external air can be sucked to the inner side of the top plate through the air inlet groove when the fan blade rotates, the fan blade can exhaust the air to the outer side, when the air strikes the arc-shaped ring plate and the arc-shaped plate, the air flow can flow to the upper side and the lower side of the protection block under the guide of the air inlet groove and the air outlet groove, the outer side of the protection block is continuously struck by the air flow, so that corrosion gas is prevented from being attached to the protection block, and the protection effect on a gas production wellhead is further improved.
Description
Technical Field
The invention relates to the field of gas production well heads, in particular to a gas production well head capable of preventing gas impurity corrosion.
Background
In the prior art, with the sharp increase of clean and environment-friendly energy demand, a natural gas exploitation technology is more and more widely used, the frequency and the range of the gas exploitation wellhead device are more and more extensive, and the gas exploitation wellhead is installed at a wellhead in petroleum and natural gas drilling;
however, the existing gas production well mouth is very easy to be corroded by impurities with corrosiveness doped in gas, so that a gas production inlet needs to be protected to a certain extent to avoid the problem.
Disclosure of Invention
In order to solve the technical problem, the invention provides a gas production wellhead capable of preventing gas impurity corrosion, which comprises:
the gas production well comprises a bottom plate, a gas production well head and a motor, wherein the top of the bottom plate is provided with a socket, a round opening is formed in a center shaft at the top of the bottom plate, the inner side of the round opening is fixedly provided with the gas production well head, and the center shaft at the inner side of the gas production well head is provided with the motor;
the protective assembly comprises a protective block which is in contact with the top of the bottom plate, a pillar is fixedly connected to the top of the protective block, a top plate is fixedly mounted at the top of the pillar, an air inlet groove is formed in the top of the top plate, the air inlet groove is arranged in a mode that the left bottom is high in inclination, the position of the air inlet groove corresponds to the position of a baffle, the baffle is fixedly mounted at the top of the top plate, the bottom of the top plate is rotatably connected with a rotating rod, a sleeve block is fixedly mounted on the outer surface of the rotating rod, fan blades are fixedly mounted on the outer surface of the sleeve block, a connecting block is fixedly mounted on the outer surface of the protective block, the bottom of the connecting block is in contact with the top of the bottom plate, a cylindrical groove is formed in the top of the connecting block, the cylindrical groove corresponds to the position of a socket, positioning assemblies are arranged on the inner sides of the cylindrical groove and the socket, and bayonets are formed in the left side and right side of the inner wall of the socket;
the protection block is sleeved on the outer surface of the gas production well mouth, the outer surface of the gas production well mouth is contacted with a clamping plate, the outer surface of the clamping plate is fixedly connected with a right-angle sliding block, one side, away from the circular block, of the right-angle sliding block is contacted with the inner wall of an air groove, the inside of the protection block is provided with the air groove, a cylindrical rod is fixedly installed inside the air groove, the outer surface of the cylindrical rod is sleeved with a first spring, one end of the first spring is fixedly connected with the circular block, the other end of the first spring is fixedly connected with the inner wall of the air groove, the outer surface of the cylindrical rod is connected with the circular block in a sliding mode, and the outer surface of the circular block is fixedly connected with the right-angle sliding block;
the motor outer surface fixed mounting has the locating plate, the motor passes through locating plate and protection piece bottom fixed connection, motor top output and dwang bottom fixed connection.
Further, a fixing ring is fixedly mounted on the outer surface of the strut, a fixing plate is fixedly mounted on one side, away from the fan blades, of the fixing ring, an arc-shaped annular plate is arranged on the outer side of the protection block, one end, away from the fixing ring, of the fixing plate is fixedly connected with the inner surface of the arc-shaped annular plate, arc plates are fixedly mounted on the upper side and the lower side of the inner surface of the arc-shaped annular plate, a connecting plate is fixedly mounted on the inner surface of the arc-shaped annular plate, and one end, away from the arc-shaped annular plate, of the connecting plate is fixedly connected with the inner surface of the arc plate.
Further, the locating component comprises an inserting block, an extrusion plate, a threaded rod, a rotating disc and a threaded block, the inserting block is cylindrical in shape, the outer surface of the inserting block is in contact with the cylindrical groove and the inner wall of the socket, the bottom of the inserting block and the bottom of the bottom plate are located on the same horizontal plane, the shape of the extrusion plate is circular, the outer surface of the extrusion plate is in contact with the inner surface of the inserting block, the threaded rod is rotatably connected to the top of the extrusion plate, the top of the threaded rod penetrates through the inserting block and extends to the outside, the rotating disc is fixedly connected to the top of the threaded rod, the threaded block is fixedly connected to the top of the inner wall of the inserting block, the threaded block is in threaded connection with the threaded rod, a vertical plate is fixedly mounted at the bottom of the middle shaft of the inner wall of the inserting block, springs are arranged on the left side and the right side of the vertical plate, one ends of the springs are fixedly connected with the vertical plate and fixedly connected with a clamping block, a long rod is transversely fixedly mounted inside the vertical plate, a clamping block is slidably connected to the outer surface of the clamping block, and the shape of the clamping block is matched with the size of the clamping block, and the outer portion of the inserting block.
The invention has the advantages of
According to the invention, through the protection component, after the motor is started, the sleeve block and the fan blade start to rotate under the driving of the rotating rod, external air is sucked to the inner side of the top plate through the air inlet groove when the fan blade rotates, then the fan blade discharges the air to the outer side, when the air strikes the arc-shaped ring plate and the arc-shaped plate, the air flow flows to the upper side and the lower side of the protection block under the guide of the air inlet groove and the air inlet groove, the outer side of the protection block is continuously struck by the air flow, so that corrosion gas can be prevented from attaching to the protection block, and the protection effect on a gas production wellhead is further improved.
According to the invention, through the protection block, when the clamping plate is in contact with the outer surface of the gas production wellhead, the clamping plate is forced to drive the right-angle sliding block and the circular block to move outwards, and then the circular block can slide along the cylindrical rod and extrude the first spring, so that the effect of stably clamping the outer surface of the gas production wellhead is achieved.
According to the invention, the rotating disc is rotated through the positioning assembly, the extrusion plate is continuously moved towards the lower end in the insertion block under the pushing of the threaded rod, the extrusion plate can extrude air in the insertion block, the clamping block is simultaneously moved outwards under the influence of air pressure, and the clamping block is inserted into the bayonet of the insertion opening, so that the effect of fixing the positions of the connecting block and the protection block is achieved.
The long rod is used for limiting the position of the clamping block, so that the position of the clamping block cannot deviate when the clamping block moves under the influence of air pressure, the extrusion plate can extrude the air in the insertion block when the extrusion plate moves downwards, and the extended clamping block can be retracted into the insertion block through negative pressure when the extrusion plate moves upwards.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the protection block of the present invention;
FIG. 3 is a schematic view of the overall structure of the shield assembly of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of the overall structure of the top plate of the present invention;
FIG. 6 is an overall schematic view of a gas production inlet according to the present invention;
FIG. 7 is an enlarged view of a portion of B in FIG. 6 according to the present invention.
1. A base plate; 2. a guard assembly; 21. a protection block; 211. a cylindrical rod; 212. a circular block; 213. a right-angle slider; 214. a clamping plate; 22. a pillar; 221. a fixing ring; 222. a fixing plate; 223. an arc-shaped ring plate; 224. an arc-shaped plate; 23. a top plate; 24. a baffle plate; 25. rotating the rod; 26. sleeving blocks; 27. a fan blade; 3. connecting blocks; 4. a positioning assembly; 41. inserting a block; 42. a pressing plate; 43. a threaded rod; 44. rotating the disc; 45. a thread block; 46. a vertical plate; 47. a long rod; 48. a clamping block; 5. a gas production wellhead; 6. an electric motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1-5, the present invention is a gas production wellhead capable of preventing corrosion of gas impurities, comprising:
the gas production well comprises a bottom plate 1, wherein the top of the bottom plate 1 is provided with a socket, a round opening is formed in the middle shaft of the top of the bottom plate 1, a gas production well mouth 5 is fixedly installed on the inner side of the round opening, and a motor 6 is arranged on the middle shaft of the inner side of the gas production well mouth 5;
the protection component 2 comprises a protection block 21 which contacts the top of the bottom plate 1, the top of the protection block 21 is fixedly connected with a support column 22, the top of the support column 22 is fixedly provided with a top plate 23, the top of the top plate 23 is fixedly provided with a baffle plate 24, the bottom of the top plate 23 is rotatably connected with a rotating rod 25, the outer surface of the rotating rod 25 is fixedly provided with a sleeve block 26, and the outer surface of the sleeve block 26 is fixedly provided with a fan blade 27;
the protective block 21 is sleeved on the outer surface of the gas production wellhead 5, the outer surface of the gas production wellhead 5 is in contact with the clamping plate 214, the outer surface of the clamping plate 214 is fixedly connected with the right-angle sliding block 213, an air groove is formed in the protective block 21, the cylindrical rod 211 is fixedly installed in the air groove, the outer surface of the cylindrical rod 211 is in sliding connection with the circular block 212, the outer surface of the circular block 212 is fixedly connected with the right-angle sliding block 213, through the protective block 21, when the clamping plate 214 is in contact with the outer surface of the gas production wellhead 5, the clamping plate 214 is stressed to drive the right-angle sliding block 213 and the circular block 212 to move outwards, and then the circular block 212 can slide along the cylindrical rod 211 and extrude the first spring at the same time, so that the effect of stably clamping the outer surface of the gas production wellhead 5 is achieved;
fixed surface installs the locating plate in motor 6, and motor 6 passes through locating plate and 21 bottom fixed connection of protective block, motor 6 top output and dwang 25 bottom fixed connection.
The outer surface of the cylindrical rod 211 is sleeved with a first spring, one end of the first spring is fixedly connected with the circular block 212, the other end of the first spring is fixedly connected with the inner wall of the air groove, and one side, far away from the circular block 212, of the right-angle sliding block 213 is in contact with the inner wall of the air groove.
The outer surface of the protective block 21 is fixedly provided with a connecting block 3, the bottom of the connecting block 3 is contacted with the top of the bottom plate 1, the top of the connecting block 3 is provided with a cylindrical groove, the cylindrical groove corresponds to the socket, and the inner sides of the cylindrical groove and the socket are provided with a positioning component 4;
the air inlet groove is formed in the top of the top plate 23, the air inlet groove is formed in the left bottom and is inclined at a high angle, the position of the air inlet groove corresponds to that of the baffle plate 24, the baffle plate 24 can protect the air inlet groove to a certain degree through the baffle plate 24, and foreign matters are prevented from entering the space between the top plate 23 and the protection block 21 through the air inlet groove.
The outer fixed surface of pillar 22 installs solid fixed ring 221, one side fixed mounting that solid fixed ring 221 keeps away from flabellum 27 has fixed plate 222, the protection piece 21 outside is provided with arc ring plate 223, fixed plate 222 keeps away from solid fixed ring 221's one end and arc ring plate 223 internal surface fixed connection, arc ring plate 223 internal surface both sides fixed mounting has arc 224 about, arc ring plate 223 internal surface fixed mounting has the connecting plate, and the connecting plate keeps away from arc ring plate 223's one end and arc 224 internal surface fixed connection, through protection component 2, after starting motor 6, pocket block 26 and flabellum 27 begin to rotate under the drive of dwang 25, flabellum 27 can pass through the air inlet duct when rotating and get roof 23 inboard with outside air suction, then flabellum 27 can arrange the outside with the air, when air strikes arc ring plate 223 and arc plate 224, the air current can strike and can flow to the upper and lower both sides of protection piece 21 under the guide of both, rely on the air current to carry out the continuous protection piece 21 outside, can avoid some corrosive gas to attach on protection piece 21, the protective effect to gas production well head 5 has further been increased.
Example 2
Distinguishing features from example 1;
referring to fig. 6-7, the present invention is a gas production wellhead capable of preventing corrosion of gas impurities, comprising:
the positioning assembly 4 comprises an insertion block 41, an extrusion plate 42, a threaded rod 43, a rotating disc 44 and a threaded block 45, the extrusion plate 42 is circular, the extrusion plate 42 can extrude the air in the insertion block 41 when moving downwards, the extended clamping block 48 can be retracted into the insertion block 41 through negative pressure when moving upwards, the outer surface of the extrusion plate 42 is in contact with the inner surface of the insertion block 41, the threaded rod 43 is rotatably connected to the top of the extrusion plate 42, the top of the threaded rod 43 penetrates through the insertion block 41 and extends to the outside, the rotating disc 44 is fixedly connected to the top of the threaded rod 43, the threaded block 45 is fixedly connected to the top of the inner wall of the insertion block 41, the threaded block 45 is in threaded connection with the threaded rod 43, the rotating disc 44 is rotated through the positioning assembly 4, the extrusion plate 42 is pushed by the threaded rod 43 and continuously moves towards the lower end in the insertion block 41, the extrusion plate 42 can extrude the air in the insertion block 41, the clamping block 48 is influenced by air pressure and simultaneously moves towards the outside, and the clamping block 48 is inserted into a bayonet of the connection block 3 and the protection position 21.
The shape of the insertion block 41 is cylindrical, the outer surface of the insertion block 41 is in mutual contact with the cylindrical groove and the inner wall of the socket, and the bottom of the insertion block 41 and the bottom of the bottom plate 1 are in the same horizontal plane.
The bayonet socket has been seted up to the socket inner wall left and right sides, and the shape size of bayonet socket and the mutual adaptation of the shape size of fixture block 48, and the riser 46 left and right sides is provided with spring two, and the spring cup joints in stock 47 surface, two one ends of spring and riser 46 fixed connection, and spring two and fixture block 48 fixed connection.
One specific application of this embodiment is:
the staff overlaps protection block 21 on the gas production well head 5 that needs the protection, rotate rolling disc 44 afterwards, stripper plate 42 is under the promotion of threaded rod 43, constantly move to the inside lower extreme of inserted block 41, stripper plate 42 can extrude the inside air of inserted block 41, fixture block 48 receives air pressure influence and moves to the outside simultaneously, fixture block 48 inserts in the bayonet socket of socket this moment, and then reach and carry out the fixed effect to connecting block 3 and protection block 21 position, when grip block 214 and gas production well head 5 surface contact, grip block 214 atress drives right angle slider 213 and circular block 212 to move to the outside, circular block 212 can be along with cylinder pole 211 slip simultaneously to the first extrusion of spring, the effect that the centre gripping is firm to gas production well head 5 surface has been reached, behind the starter motor 6, sleeve block 26 and flabellum 27 begin to rotate at the drive of the under of dwang 25, can inhale outside air through the air inlet duct when flabellum 27 rotates and get the roof 23 inboard, then flabellum 27 can arrange the outside with the air, when air strikes arc ring plate 223 and arc plate 224, the gas guide can be in both sides of the lower gas flow and can be in some gas production well head 21 and the continuous increase the protection block that has been avoided the corrosion of the protection, the gas production well head 21 that has been carried out on some continuous the both sides.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (8)
1. A gas production wellhead capable of preventing gas impurity corrosion, which is characterized by comprising:
the gas production well comprises a bottom plate (1), wherein a socket is formed in the top of the bottom plate (1), a round opening is formed in the middle shaft of the top of the bottom plate (1), a gas production well head (5) is fixedly mounted on the inner side of the round opening, and a motor (6) is arranged on the middle shaft of the inner side of the gas production well head (5);
the protective assembly (2) comprises a protective block (21) which is in contact with the top of the bottom plate (1), the top of the protective block (21) is fixedly connected with a support column (22), the top of the support column (22) is fixedly provided with a top plate (23), the top of the top plate (23) is fixedly provided with a baffle plate (24), the bottom of the top plate (23) is rotatably connected with a rotating rod (25), the outer surface of the rotating rod (25) is fixedly provided with a sleeve block (26), and the outer surface of the sleeve block (26) is fixedly provided with a fan blade (27);
the protective block (21) is sleeved on the outer surface of a gas production well head (5), the outer surface of the gas production well head (5) is in contact with a clamping plate (214), the outer surface of the clamping plate (214) is fixedly connected with a right-angle sliding block (213), an air groove is formed in the protective block (21), a cylindrical rod (211) is fixedly installed in the air groove, the outer surface of the cylindrical rod (211) is connected with a circular block (212) in a sliding mode, and the outer surface of the circular block (212) is fixedly connected with the right-angle sliding block (213);
fixed surface installs the locating plate in motor (6), motor (6) pass through locating plate and protection piece (21) bottom fixed connection, motor (6) top output and dwang (25) bottom fixed connection.
2. A gas recovery wellhead which is resistant to corrosion by gaseous contaminants, in accordance with claim 1, characterised in that: the outer surface of the cylindrical rod (211) is sleeved with a first spring, one end of the first spring is fixedly connected with the round block (212), the other end of the first spring is fixedly connected with the inner wall of the air groove, and one side, far away from the round block (212), of the right-angle sliding block (213) is in contact with the inner wall of the air groove.
3. A gas recovery wellhead which is resistant to corrosion by gaseous contaminants, in accordance with claim 2, characterised in that: the outer surface of the protection block (21) is fixedly provided with a connecting block (3), the bottom of the connecting block (3) is in mutual contact with the top of the bottom plate (1), the top of the connecting block (3) is provided with a cylindrical groove, the cylindrical groove corresponds to the socket in position, and the cylindrical groove and the inner side of the socket are provided with positioning components (4);
an air inlet groove is formed in the top of the top plate (23), the air inlet groove is formed in a left bottom and is arranged in a high-inclination mode, and the position of the air inlet groove corresponds to that of the baffle plate (24).
4. A gas recovery wellhead that is resistant to corrosion by gaseous impurities according to claim 3, in which: pillar (22) outer fixed surface installs solid fixed ring (221), gu one side fixed mounting that flabellum (27) were kept away from in fixed ring (221) has fixed plate (222), protection piece (21) outside is provided with arc crown plate (223), the one end and the arc crown plate (223) internal fixed connection of solid fixed ring (221) are kept away from in fixed plate (222), both sides fixed mounting has arc (224) about arc crown plate (223) internal surface, arc crown plate (223) internal fixed mounting has the connecting plate, and the connecting plate keeps away from the one end and arc (224) internal fixed connection of arc crown plate (223).
5. A gas production wellhead which can prevent corrosion of gas impurities according to claim 4, characterized in that: locating component (4) is including inserted block (41), stripper plate (42), threaded rod (43), rolling disc (44) and screw block (45), stripper plate (42) shape is circular, stripper plate (42) surface and inserted block (41) internal surface contaction each other, threaded rod (43) are rotated and are connected at stripper plate (42) top, and threaded rod (43) top runs through inserted block (41) and extend to the outside, rolling disc (44) fixed connection is at threaded rod (43) top, screw block (45) fixed connection is at inserted block (41) inner wall top, screw block (45) and threaded rod (43) threaded connection.
6. A gas production wellhead which can prevent corrosion of gas impurities according to claim 5, characterized in that: the shape of the insertion block (41) is cylindrical, the outer surface of the insertion block (41) is in mutual contact with the cylindrical groove and the inner wall of the insertion opening, and the bottom of the insertion block (41) and the bottom of the bottom plate (1) are located on the same horizontal plane.
7. A gas recovery wellhead which is resistant to corrosion by gaseous contaminants, in accordance with claim 6, wherein: a vertical plate (46) is fixedly mounted at a middle shaft at the bottom of the inner wall of the insert block (41), a long rod (47) is transversely and fixedly mounted in the vertical plate (46), a clamping block (48) is slidably connected to the outer surface of the long rod (47), and one end, away from the vertical plate (46), of the clamping block (48) extends to the outside of the insert block (41).
8. A gas recovery wellhead which is resistant to corrosion by gaseous contaminants, in accordance with claim 7, wherein: the bayonet socket has been seted up to the socket inner wall left and right sides, the shape and size of bayonet socket and the mutual adaptation of shape and size of fixture block (48), riser (46) left and right sides is provided with spring two, the spring cup joints at stock (47) surface, two one ends of spring and riser (46) fixed connection, and spring two and fixture block (48) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310043983.6A CN115788347B (en) | 2023-01-29 | 2023-01-29 | Gas production well head capable of preventing gas impurity corrosion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310043983.6A CN115788347B (en) | 2023-01-29 | 2023-01-29 | Gas production well head capable of preventing gas impurity corrosion |
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| CN115788347B CN115788347B (en) | 2023-05-26 |
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| CN214303762U (en) * | 2021-01-28 | 2021-09-28 | 江苏欧瑞德石油机械有限公司 | Anti-corrosion oil extraction gas wellhead device |
| CN113374436A (en) * | 2021-07-22 | 2021-09-10 | 盐城市煜洋石油机械有限公司 | Anticorrosion gas production wellhead assembly |
| CN216588563U (en) * | 2021-11-01 | 2022-05-24 | 盐城市骊麟石油机械有限公司 | Environment-friendly gas production is filtration purification device for well head |
| CN217106951U (en) * | 2022-04-20 | 2022-08-02 | 江苏宏泰石化机械有限公司 | High-sulfur-resistance gas production wellhead |
| CN114964967A (en) * | 2022-05-26 | 2022-08-30 | 江苏广海检验检测有限公司 | A preprocessing device for empty gas detection surveys |
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| CN115788347B (en) | 2023-05-26 |
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Denomination of invention: A gas production wellhead that can prevent gas impurity corrosion Granted publication date: 20230526 Pledgee: Bank of Nanjing Co.,Ltd. Yancheng branch Pledgor: JIANGSU XIONGYUE PETROLEUM MECHANICAL EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2024980001308 |
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