CN116006097A - High-pressure manifold oil-gas casing head - Google Patents
High-pressure manifold oil-gas casing head Download PDFInfo
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- CN116006097A CN116006097A CN202310151717.5A CN202310151717A CN116006097A CN 116006097 A CN116006097 A CN 116006097A CN 202310151717 A CN202310151717 A CN 202310151717A CN 116006097 A CN116006097 A CN 116006097A
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- funnel ring
- block
- funnel
- casing head
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Abstract
The invention relates to a casing head, in particular to a high-pressure manifold oil-gas casing head. Which comprises a fixing piece and a fastening device. According to the invention, the funnel ring is used for applying thrust to the outer sides of all the arc blocks to drive all the arc blocks to be clung to each other, so that the inner sides of all the arc blocks are clung to the outer sides of high-pressure pipes close to a wellhead, the connection stability of the funnel ring and the outer sides of the high-pressure pipes is improved, high pressure generated in the oil outlet process of the high-pressure pipes is avoided, gaps are generated between the funnel ring and the high-pressure pipes, petroleum is caused to leak through the gaps, meanwhile, the funnel ring can be driven to move downwards by all the limiting assemblies, after the bottom ends of the bottom blocks are contacted with the ground, the funnel ring is stopped rotating, the funnel ring is clung to the bottom surfaces through all the bottom blocks, the whole fastening device, the fixing piece and the two high-pressure pipes are supported, and the height of the whole fastening device is adjusted through rotating the funnel ring, so that the connection work of the high-pressure pipes with different heights is adapted, the adaptability of the whole device is improved, and the fixing work is realized without connecting a plurality of casing heads.
Description
Technical Field
The invention relates to a casing head, in particular to a high-pressure manifold oil-gas casing head.
Background
In the drilling operation and oil and gas test process, a safe and reliable wellhead device is required to be installed, so that the operation and production in the well can be effectively controlled, and a casing head belongs to the basic part of the wellhead device and is installed on a casing string. The upper end is used for hanging each layer of casing pipe column, sealing the annular space between each layer of casing pipe, providing standard connection for blowout preventer stack, gas production tree and other well control equipment, and providing casing pipe annular access interface for various special operations.
Because the drilling depth is different, the height of a wellhead is reserved to be different in the process of laying the wellhead pipeline, and the existing oil-gas casing head is certain in size, when the height cannot be matched with the pipeline, the pipeline needs to be matched through the spliced casing head, although the well can be pasted, the fastening position can be changed along with the well, gaps are easy to appear, and leakage of petroleum or oil gas is caused, so that the high-pressure manifold oil-gas casing head is needed.
Disclosure of Invention
The invention aims to provide a high-pressure manifold oil-gas casing head so as to solve the problems in the background art.
In order to achieve the above purpose, the utility model provides a high-pressure manifold oil gas casing head, including the mounting, the mounting includes the connector, the connector bottom is provided with the sleeve, the connector inner with form integrative cavity between the sleeve inner, sleeve bottom border position is provided with a plurality of arc pieces, each the arc piece is the array and arranges the arc piece bottom, the arc piece outside is provided with fastener, fastener includes the funnel ring, the funnel ring top is provided with the fastening ring, the fastening ring inboard is provided with the internal thread, each the arc piece outside all is provided with the external screw thread, the fastening ring with the arc piece keeps threaded connection, the fastening ring is by last following each the arc piece outside screw thread moves down, drives each the arc piece is hugged closely each other, the funnel ring bottom is provided with a plurality of internal inclination pieces, the funnel ring bottom is provided with a plurality of spacing subassemblies, spacing subassembly includes the bottom block, the bottom block top is provided with the connecting block, the funnel ring top with the connecting block bottom connection.
As a further improvement of the technical scheme, a plurality of handles are arranged on the outer side of the funnel ring, the handles are of a U-shaped structure, and the handles are distributed on the outer side of the funnel ring in an array mode.
As a further improvement of the technical scheme, the handle is parallel to the side face of the funnel ring, and a certain gap is reserved between the handle and the side face of the funnel ring.
As a further improvement of the technical scheme, side blocks are arranged on two sides of the bottom block, the side blocks are of wedge-shaped structures, and the height of one side, away from the bottom block, of the side block is smaller than that of the other side.
As a further improvement of the technical scheme, screw holes are formed in the top ends of the side faces of the side blocks, and screw rods are connected with the top ends of the screw holes in a threaded mode.
As a further improvement of the technical scheme, an inner bucket is arranged on the inner side of the screw hole, the cross-sectional dimension of the top end of the inner bucket is larger than that of the bottom end of the inner bucket, the cross-sectional dimension of the top end of the inner bucket is kept identical to that of the screw rod, and an expansion opening is formed in the bottom end of the inner bucket.
As a further improvement of the technical scheme, limiting springs are arranged on two sides of the top end of the connecting block, a plurality of limiting grooves are formed in the bottom end of the funnel ring, and the top ends of the limiting springs are connected with the top wall of the inner side of each limiting groove.
As a further improvement of the technical scheme, a plurality of balls are arranged at the bottom end of the bottom block, and the balls are in rolling connection with the bottom end of the bottom block.
As a further improvement of the technical scheme, the top end of the funnel ring is provided with a protection ring, the protection ring is positioned at the outer side of each arc block, and a certain gap is formed between the inner side of the protection ring and the outer side of each arc block.
Compared with the prior art, the invention has the beneficial effects that:
1. in this high-pressure manifold oil gas casing head, apply thrust to each arc piece outside through the funnel ring, drive each arc piece and hug closely each other, make the inboard laminating of each arc piece be in the high-pressure pipe outside that is close to the well head, improve the connection stability in funnel ring and the high-pressure pipe outside, avoid the high pressure that the high-pressure pipe oil-out in-process produced, promote to produce the clearance between funnel ring and the high-pressure pipe, lead to the oil to pass through the clearance leakage, can drive each spacing subassembly and move down when the funnel ring moves down simultaneously, after bottom block bottom and ground contact, stop rotating the funnel ring, hug closely with the bottom surface through each bottom block, support whole fastener, mounting and two high-pressure pipes, adjust whole fastener's height through rotating the funnel ring, thereby adapt to the high-pressure pipe connection work of different co-altitude, improve the adaptability of whole device, need not to realize fixed work through connecting a plurality of casing heads.
2. In the high-pressure manifold oil-gas casing head, the handle is arranged to provide a force application point for an operator, and the operator can hold the handle to indirectly drive the funnel ring to move, so that the slipping phenomenon is avoided, and the moving efficiency of the funnel ring is improved.
3. In this high-pressure manifold oil gas casing head, clear away in time the boss through the side piece that sets up, keep away from bottom block one side and contact the back with the boss when the side piece, because the side piece is wedge structure, contact boss in-process, the pressure of exerting the boss is greater than the pressure of bottom block side to the boss application, and operating personnel only need exert a small amount of thrust and can shovel the boss to improve the removal efficiency of bottom block, reduce operating personnel and exert oneself.
4. In this high-pressure manifold oil gas casing head, reduce the area of contact between bottom piece bottom and the ground through the bottom piece that sets up, and area of contact is directly proportional with frictional resistance, reduces frictional resistance promptly, improves bottom piece removal efficiency, reduces the emergence of card dun phenomenon.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a split view of the overall structure of the present invention;
FIG. 3 is a schematic view of a fixing member according to the present invention;
FIG. 4 is a schematic view of the structure of the fastening device of the present invention;
FIG. 5 is a schematic view of a funnel ring structure according to the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5A in accordance with the present invention;
FIG. 7 is a split cross-sectional view of a spacing assembly of the present invention;
fig. 8 is a partial enlarged view of fig. 7B in accordance with the present invention.
The meaning of each reference sign in the figure is:
10. a fixing member; 110. a connector; 120. a sleeve; 130. an arc block;
20. a fastening device; 210. a funnel ring; 211. a fastening ring; 212. a grip; 213. an inward tilting block; 214. a limit groove; 220. a limit component; 221. a bottom block; 222. a side block; 2221. a screw hole; 2222. an inner bucket; 223. a screw; 224. a connecting block; 225. a limit spring; 226. a ball; 230. and a guard ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, a high-pressure manifold oil and gas casing head is provided, including a fixing member 10, the fixing member 10 includes a connector 110, a sleeve 120 is provided at the bottom end of the connector 110, an integral cavity is formed between the inner end of the connector 110 and the inner end of the sleeve 120, a plurality of arc blocks 130 are provided at the edge of the bottom end of the sleeve 120, each arc block 130 is arranged at the bottom end of the arc block 130 in an array, a fastening device 20 is provided at the outer side of the arc block 130, the fastening device 20 includes a funnel ring 210, a fastening ring 211 is provided at the top end of the funnel ring 210, an internal thread is provided at the inner side of the fastening ring 211, an external thread is provided at the outer side of each arc block 130, the fastening ring 211 is in threaded connection with the arc block 130, the fastening ring 211 moves downwards along the external thread of each arc block 130 from top to bottom to drive each arc block 130 to cling to each other, a plurality of internal tilting blocks 213 are provided at the bottom end of the funnel ring 210, a plurality of limiting components 220 are provided at the bottom end of the funnel ring 210, the bottom end includes a bottom block 221, a connecting block 224 is provided at the top of the bottom block 221, and the bottom of the connecting block is connected with the bottom of the funnel ring 210.
When the device is specifically used, the whole device is sleeved on the outer side of a high-pressure pipe being spliced from top to bottom, the sliding sleeve 120 moves the device to the splicing position of the two high-pressure pipes, the two high-pressure pipes are fastened through the sleeve 120, then the funnel ring 210 is slowly rotated from top to bottom, the funnel ring 210 moves downwards along the threads on the outer sides of the arc blocks 130, in the rotating process of the funnel ring 210, thrust is applied to the outer sides of the arc blocks 130 to drive the arc blocks 130 to cling to each other, the inner sides of the arc blocks 130 cling to the outer sides of the high-pressure pipes close to a wellhead, the connection stability of the funnel ring 210 and the outer sides of the high-pressure pipes is improved, high pressure generated in the oil outlet process of the high-pressure pipes is avoided, gaps are generated between the funnel ring 210 and the high-pressure pipes, oil is caused to leak through the gaps, meanwhile, the bottom end of the funnel ring 221 is stopped from being tightly attached to the bottom surface after being contacted with the ground, the whole fastening device 20, the fixing piece 10 and the two high-pressure pipes are supported, the whole fastening device 20 is adjusted through the rotation of the funnel ring 210, and the whole device is adapted to different heights, the high-pressure connection of the whole device is not required to be connected through the sleeve heads, and the device is not required to be connected.
In addition, a plurality of grips 212 are disposed outside the funnel ring 210, the grips 212 are in a U-shaped structure, and each grip 212 is distributed outside the funnel ring 210 in an array. An operator can hold the handle 212 to indirectly drive the funnel ring 210 to move, so as to avoid slipping and improve the movement efficiency of the funnel ring 210.
Further, the handle 212 is parallel to the side of the funnel ring 210, and a certain gap is reserved between the handle 212 and the side of the funnel ring 210. After the operator holds the grip 212, the operator's hand is perpendicular to the side of the funnel ring 210, so that the force application effect is more effective, and the force applied by the operator can be reduced.
Because the bottom block 221 moves down the in-process, can often take place the scraping with ground, after protruding appears on ground, the bottom block 221 side can receive the boss separation, can't rotate smoothly, need consume the great power of turning of operating personnel, just can drive the bottom block 221 and take off the boss, still further, bottom block 221 both sides all are provided with side block 222, side block 222 is wedge structure, side block 222 keeps away from bottom block 221 one side highly and is less than the opposite side height, in time clear away the boss through the side block 222 that sets up, after side block 222 kept away from bottom block 221 one side and boss contact, because side block 222 is wedge structure, the pressure that the in-process was exerted to the boss is greater than the pressure that the boss was exerted to the boss side to the bottom block 221, operating personnel only need exert a small amount thrust and can take off the boss, thereby improve the removal efficiency of bottom block 221, reduce operating personnel's applied power.
Specifically, a screw hole 2221 is formed in the top end of the side face of the side block 222, and the screw 223 is screwed to the top end of the screw hole 2221. After the bottom block 221 is completely attached to the ground, the screw 223 is rotated, so that the screw 223 is screwed into the inner end of the screw hole 2221 and passes through the screw hole 2221 to be screwed into the ground, and the side block 222 is fixed on the ground, thereby maintaining the attachment position of the bottom block 221 and the ground, and further improving the supporting stability of the bottom block 221.
In addition, the inner side of the screw hole 2221 is provided with an inner bucket 2222, the top end section size of the inner bucket 2222 is larger than the bottom end section size of the inner bucket 2222, and the top end section size of the inner bucket 2222 is kept consistent with the section size of the screw 223, and the bottom end of the inner bucket 2222 is provided with an expansion opening. When the screw rod 223 is particularly used, the bottom block 221 moves downwards to be separated from the inner end of the screw hole 2221 in the ground attaching process, at this time, the upper end and the lower end of the screw hole 2221 are in an open state, dust is easy to generate in the process of contacting the side block 222 with the ground, the dust can infiltrate into the inner end of the screw hole 2221 along the bottom end of the screw hole 2221, the dust is adhered to the inner wall of the screw hole 2221, after the position of the bottom block 221 is determined, the screw rod 223 is required to be screwed into the inner end of the screw hole 2221, but because the inner wall of the screw hole 2221 is adhered with dust, the sizes of the screw rod 223 cannot be matched, the screw rod 223 is difficult to be screwed into the inner end of the screw hole 2221, at this time, the inner end of the screw hole 2221 is protected by the set up inner bucket 2222, an expansion port arranged at the bottom end of the inner bucket 2222 is made of rubber material, the elasticity is high, the plasticity is good, the bottom end of the inner bucket 2222 is in a sealed state, the dust enters the inner end of the screw hole 2221 and then can be blocked by the tightened up inner bucket 2222, the inner end of the screw hole 2221 cannot be adhered to the inner wall of the screw hole 2221, the screw rod 223 stretches out along the inner end of the screw hole 2221, the inner end of the screw hole 2221 stretches the screw hole 2222, and the inner end of the end can be stretched out smoothly, the end of the screw hole 2221 stretches the end of the screw hole is stretched out and is stretched, and the end of the end is stretched.
Further, limiting springs 225 are disposed on two sides of the top end of the connecting block 224, a plurality of limiting grooves 214 are formed in the bottom end of the funnel ring 210, and the top ends of the two limiting springs 225 are connected with the top wall of the inner side of the limiting groove 214. When the bottom end of the funnel ring 210 contacts with the ground, gravity generated by the funnel ring 210 directly acts on the ground, and due to the mutual action of the forces, the ground can provide the funnel ring 210 with a reverse acting force, so that the funnel ring 210 generates an upward trend, the reaction force is transmitted to the connecting block 224 through the funnel ring 210, the connecting block 224 is caused to extend upwards into the inner end of the limit groove 214, the limit spring 225 is extruded, the limit spring 225 contracts upwards to neutralize the reaction force, the buffering effect is achieved on the bottom block 221, the pressure generated after the bottom block 221 contacts with the ground is reduced, and the supporting stability of the bottom block 221 is further improved.
Still further, the bottom end of the bottom block 221 is provided with a plurality of balls 226, and the balls 226 are in rolling connection with the bottom end of the bottom block 221. When the bottom block 221 contacts with the ground, frictional resistance is generated between the bottom end of the bottom block 221 and the ground, and the frictional resistance is opposite to the rotation of the bottom block 221, so as to prevent the bottom block 221 from moving, at this time, the contact area between the bottom end of the bottom block 221 and the ground is reduced by the bottom block 221, and is proportional to the frictional resistance, so that the frictional resistance is reduced by reducing the contact area, the moving efficiency of the bottom block 221 is improved, and the occurrence of the blocking phenomenon is reduced.
In addition, the top end of the funnel ring 210 is provided with a protection ring 230, the protection ring 230 is positioned outside each arc block 130, and a certain gap is formed between the inner side of the protection ring 230 and the outer side of the arc block 130. The funnel ring 210 moves down to drive the guard ring 230 to move down, when the funnel ring 210 moves to contact with the ground, the guard ring 230 moves to the outer side of the arc block 130, the arc block 130 is isolated from the outside air by the guard ring 230, so as to prevent dust in the air from adhering to the outer wall of the arc block 130, and the thickness of the outer wall of the arc block 130 is increased, which is not adapted to the inner end of the fastening ring 211, so that the funnel ring 210 cannot recover, and the later disassembly work is affected.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a high-pressure manifold oil gas casing head, includes mounting (10), mounting (10) include connector (110), connector (110) bottom is provided with sleeve (120), connector (110) inner with form integrative cavity between sleeve (120) inner, sleeve (120) bottom border position is provided with a plurality of arc pieces (130), each arc piece (130) are array arrangement arc piece (130) bottom, its characterized in that: the utility model provides a funnel structure, including arc piece (130), arc piece (130) outside is provided with fastener (20), fastener (20) include funnel ring (210), funnel ring (210) top is provided with fastening ring (211), fastening ring (211) inboard is provided with the internal thread, each arc piece (130) outside is provided with the external screw thread, fastening ring (211) with arc piece (130) keep threaded connection, fastening ring (211) follow each arc piece (130) outside screw thread from top to bottom moves down, order about each arc piece (130) hugs closely each other, funnel ring (210) bottom is provided with a plurality of internal tilting piece (213), funnel ring (210) bottom is provided with a plurality of spacing subassembly (220), spacing subassembly (220) include bottom block (221), bottom block (221) top is provided with connecting block (224), connecting block (224) top with funnel ring (210) bottom are connected;
the bottom block (221) both sides all are provided with side piece (222), side piece (222) are wedge structure, side piece (222) are kept away from bottom block (221) one side height is less than the opposite side height.
2. The high pressure manifold oil and gas casing head according to claim 1, wherein: the outer side of the funnel ring (210) is provided with a plurality of handles (212), the handles (212) are of a U-shaped structure, and the handles (212) are distributed on the outer side of the funnel ring (210) in an array mode.
3. The high pressure manifold oil and gas casing head according to claim 2, wherein: the handle (212) is parallel to the side surface of the funnel ring (210), and a certain gap is reserved between the handle (212) and the side surface of the funnel ring (210).
4. The high pressure manifold oil and gas casing head according to claim 1, wherein: the method is characterized in that: screw holes (2221) are formed in the top ends of the side faces of the side blocks (222), and screw rods (223) are connected to the top ends of the screw holes (2221) in a threaded mode.
5. The high pressure manifold oil and gas casing head according to claim 4, wherein: the inner side of the screw hole (2221) is provided with an inner bucket (2222), the top end section size of the inner bucket (2222) is larger than the bottom end section size of the inner bucket (2222), the top end section size of the inner bucket (2222) is kept consistent with the section size of the screw rod (223), and the bottom end of the inner bucket (2222) is provided with an expansion opening.
6. The high pressure manifold oil and gas casing head according to claim 1, wherein: limiting springs (225) are arranged on two sides of the top end of the connecting block (224), a plurality of limiting grooves (214) are formed in the bottom end of the funnel ring (210), and the top ends of the limiting springs (225) are connected with the top wall of the inner side of each limiting groove (214).
7. The high pressure manifold oil and gas casing head according to claim 4, wherein: the bottom end of the bottom block (221) is provided with a plurality of balls (226), and the balls (226) are in rolling connection with the bottom end of the bottom block (221).
8. A high pressure manifold oil and gas casing head according to claim 3, wherein: the top end of the funnel ring (210) is provided with a protection ring (230), the protection ring (230) is positioned at the outer side of each arc block (130), and a certain gap is formed between the inner side of the protection ring (230) and the outer side of each arc block (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310151717.5A CN116006097A (en) | 2023-02-22 | 2023-02-22 | High-pressure manifold oil-gas casing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310151717.5A CN116006097A (en) | 2023-02-22 | 2023-02-22 | High-pressure manifold oil-gas casing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116006097A true CN116006097A (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310151717.5A Pending CN116006097A (en) | 2023-02-22 | 2023-02-22 | High-pressure manifold oil-gas casing head |
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| CN (1) | CN116006097A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498246A (en) * | 2023-06-27 | 2023-07-28 | 山东宏丰智能装备有限公司 | Wellhead casing head |
-
2023
- 2023-02-22 CN CN202310151717.5A patent/CN116006097A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498246A (en) * | 2023-06-27 | 2023-07-28 | 山东宏丰智能装备有限公司 | Wellhead casing head |
| CN116498246B (en) * | 2023-06-27 | 2023-08-22 | 山东宏丰智能装备有限公司 | Wellhead casing head |
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