CN220890154U - Blowout preventer for petroleum operation - Google Patents
Blowout preventer for petroleum operation Download PDFInfo
- Publication number
- CN220890154U CN220890154U CN202322788423.1U CN202322788423U CN220890154U CN 220890154 U CN220890154 U CN 220890154U CN 202322788423 U CN202322788423 U CN 202322788423U CN 220890154 U CN220890154 U CN 220890154U
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- Prior art keywords
- blowout preventer
- ring
- flange
- fixed
- oil
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- 239000003208 petroleum Substances 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 8
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a blowout preventer for petroleum operation, which comprises a device body, an internal thread ring, a piston and two groups of flanges, wherein a drill rod is arranged on the device body, the end part of the drill rod penetrates through the interior of the device body, connecting pipes are fixedly arranged at the top and the bottom of the device body, a replacement mechanism is arranged between the flange and the connecting pipes, the replacement mechanism comprises a connecting assembly and two groups of fixing assemblies, the connecting assembly comprises an external thread ring, the external thread ring is fixed with the flange, an inner ring is fixedly arranged on the inner wall of the connecting pipe, and a sealing ring is fixedly arranged on the surface of the inner ring; the utility model is convenient to detach and replace the flange when the flange on the blowout preventer is damaged in use through the designed replacement mechanism, and the blowout preventer is not required to be completely replaced, so that the replacement cost is saved, and the device body part on the blowout preventer can be reused.
Description
Technical Field
The utility model belongs to the technical field of blowout preventers, and particularly relates to a blowout preventer for petroleum operation.
Background
The blowout preventer is used for closing a wellhead in the operation processes of oil testing, well repairing, well completion and the like, so that blowout accidents are prevented, the blowout preventer has the characteristics of simple structure, easiness in operation, high pressure resistance and the like, is a safety sealing wellhead device which is commonly used in oil fields and is used for preventing blowout, is arranged on a wellhead sleeve and is used for controlling blowout devices of high-pressure oil, gas and water when oil gas pressure in the well is very high, two groups of pistons in the blowout preventer are started, working ends of the pistons push annular plates to move towards a direction close to a drill rod, and finally the drill rod is held for sealing, so that the wellhead can be sealed.
When the existing oil working blowout preventer is used, the flange on the blowout preventer and the flange on the wellhead casing are fixed together through bolts, the flange on the blowout preventer and the connecting pipe on the blowout preventer are fixedly connected through welding, the tightness is reduced when the flange on the blowout preventer is damaged in use, the blowout preventer needs to be replaced, the replacement cost is increased, and the problem that the body part of the blowout preventer is wasted is solved.
Disclosure of utility model
The utility model aims to provide a blowout preventer for petroleum operation, which solves the problems that when the conventional blowout preventer for petroleum operation is used, the tightness of the blowout preventer is reduced when a flange on the blowout preventer is damaged in use, and the blowout preventer needs to be replaced, so that the replacement cost is increased and waste is generated.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a petroleum operation preventer, includes the ware body, internal thread circle, piston and two sets of flanges, be provided with the drilling rod on the ware body, just the tip of drilling rod passes the inside of the ware body, the top of the ware body is all fixed with the connecting pipe with the bottom, the flange with be provided with between the connecting pipe and change the mechanism, it includes coupling assembling and two sets of fixed subassemblies to change the mechanism, coupling assembling includes the external thread circle, the external thread circle with the flange is fixed together, the inner wall of connecting pipe is fixed to be provided with the inner ring, the fixed surface of inner ring is provided with the sealing washer.
Preferably, the sealing ring is in contact with the surface of the internal thread ring, and the external thread ring is connected with the internal thread ring through threaded screwing.
Preferably, the fixing component comprises an L-shaped strip and a side block, and a socket is formed in the side block.
Preferably, an internal thread ring is fixedly arranged on the L-shaped strip, and a screw column is arranged in the internal thread ring.
Preferably, the working end of the screw column extends to the inside of the socket, the L-shaped strip is fixed on the inner threaded ring, and the side block is fixed on the outer threaded ring.
Preferably, the flange is provided with a blocking mechanism, the blocking mechanism comprises a blocking plate, two groups of plate bodies are fixedly arranged on the blocking plate, and vertical plates are fixedly arranged on two side surfaces of the flange.
Preferably, the plate body is fixedly connected with the vertical plate through screws.
Preferably, two groups of annular plates are arranged in the device body, and the working end of the piston is in contact with the annular plates.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The utility model is convenient to detach and replace the flange when the flange on the blowout preventer is damaged in use through the designed replacement mechanism, and the blowout preventer is not required to be completely replaced, so that the replacement cost is saved, and the device body part on the blowout preventer can be reused.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a connecting tube according to the present utility model;
FIG. 3 is a schematic view of the internal state of the drill pipe of the present utility model passing through the blowout preventer;
FIG. 4 is a schematic perspective view of a barrier plate according to the present utility model;
In the figure: 100. a body; 101. a piston; 102. a connecting pipe; 103. a flange; 104. a drill rod; 200. an internal thread ring; 201. an external thread ring; 202. an inner ring; 203. a seal ring; 211. an L-shaped strip; 212. a screw column; 213. a side block; 214. an internally threaded ring; 300. a blocking plate; 301. a plate body; 302. a vertical plate.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a petroleum operation preventer, including the ware body 100, internal thread circle 200, piston 101 and two sets of flanges 103, be provided with drilling rod 104 on the ware body 100, and the tip of drilling rod 104 passes the inside of ware body 100, the top and the bottom of ware body 100 are all fixed and are provided with connecting pipe 102, be provided with the change mechanism between flange 103 and the connecting pipe 102, the change mechanism includes coupling assembling and two sets of fixed subassemblies, the coupling assembling includes external thread circle 201, pass through threaded connection between external thread circle 201 and the internal thread circle 200 during the use, external thread circle 201 and flange 103 are together fixed, the inner wall of connecting pipe 102 is fixed and is provided with inner ring 202, the inner ring 202 is fixed at the inner wall of connecting pipe 102 during the use, the fixed sealing washer 203 that is provided with of surface of inner ring 202, sealing washer 203 can increase the sealing performance between connecting pipe 102 and external thread circle 201 during the use, the sealing washer 203 is contacted with the surface of internal thread circle 200, pass through the screw thread and close between external thread circle 201 and the internal thread circle 200 and connect, fixed subassembly includes L shape strip 211 and side piece 213, the socket has been seted up to the inside of side piece 213, the tip of screw post 212 can penetrate inside the socket when using, fixedly be provided with internal thread ring 214 on the L shape strip 211, the inside of internal thread ring 214 is provided with screw post 212, the work end of screw post 212 extends to the inside of socket, L shape strip 211 is fixed on internal thread circle 200, side piece 213 is fixed on external thread circle 201, through the change mechanism of design, be convenient for in use can dismantle flange 103 when damage appears in flange 103 when blowout preventer and change, need not to change the blowout preventer entirely, both practiced thrift the replacement cost, moreover ware body 100 part on the blowout preventer also can repeatedly used.
In this embodiment, preferably, be provided with blocking mechanism on the flange 103, blocking mechanism includes the barrier plate 300, barrier plate 300 can prevent that external impurity from entering into the blowout preventer internal protection portion when using, the barrier plate 300 is last to be fixedly provided with two sets of plate body 301, the both sides face of flange 103 is all fixedly provided with riser 302, pass through screw fixed connection between plate body 301 and the riser 302, can dismantle barrier plate 300 through the screw when using, through the blocking mechanism of design, be convenient for can cover the flange 103 surface on the blowout preventer when not using the blowout preventer, prevent that external foreign matter from entering into the inside condition of ware body 100 from flange 103, the later stage of being convenient for uses.
In this embodiment, preferably, two sets of annular plates are provided inside the body 100, and the piston 101 can push the annular plates to move so as to hold the drill rod 104 tightly when in use, and the working end of the piston 101 is in contact with the annular plates.
The working principle and the using flow of the utility model are as follows:
When the blowout preventer is used, the type number of the blowout preventer is SFZ-35, and when the flange 103 on the blowout preventer is damaged, the screw column 212 is held to be unscrewed in an outward rotation mode, the end part of the screw column 212 is separated from the socket in the side block 213, then the flange 103 is rotated in the outward direction to drive the external thread ring 201 to rotate, then the surface of the external thread ring 201 is separated from the surface of the sealing ring 203 and the inside of the internal thread ring 200, at this time, the flange 103 can be detached, and then a new flange 103 is taken out and is installed at the original position according to the reverse principle.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a petroleum operation preventer, includes ware body (100), internal thread circle (200), piston (101) and two sets of flanges (103), be provided with drilling rod (104) on ware body (100), just the tip of drilling rod (104) passes the inside of ware body (100), the top and the bottom of ware body (100) are all fixed and are provided with connecting pipe (102), its characterized in that: the flange (103) and be provided with between connecting pipe (102) and change the mechanism, change the mechanism and include coupling assembling and two sets of fixed subassembly, coupling assembling includes external screw thread circle (201), external screw thread circle (201) with flange (103) are fixed together, the inner wall of connecting pipe (102) is fixed to be provided with inner ring (202), the fixed surface of inner ring (202) is provided with sealing washer (203).
2. The oil-working blowout preventer of claim 1, wherein: the sealing ring (203) is in contact with the surface of the internal thread ring (200), and the external thread ring (201) is connected with the internal thread ring (200) through screw thread screwing.
3. The oil-working blowout preventer of claim 2, wherein: the fixing assembly comprises an L-shaped strip (211) and a side block (213), and a socket is formed in the side block (213).
4. A petroleum-operated blowout preventer according to claim 3, wherein: an inner threaded ring (214) is fixedly arranged on the L-shaped strip (211), and a spiral column (212) is arranged inside the inner threaded ring (214).
5. The oil-working blowout preventer of claim 4, wherein: the working end of the screw column (212) extends to the inside of the socket, the L-shaped strip (211) is fixed on the inner thread ring (200), and the side block (213) is fixed on the outer thread ring (201).
6. The oil-working blowout preventer of claim 1, wherein: be provided with on flange (103) and block the mechanism, block the mechanism and include barrier plate (300), be provided with two sets of plate body (301) on barrier plate (300) fixedly, both sides face of flange (103) all is provided with riser (302) fixedly.
7. The oil-working blowout preventer of claim 6, wherein: the plate body (301) is fixedly connected with the vertical plate (302) through screws.
8. The oil-working blowout preventer of claim 1, wherein: two groups of annular plates are arranged in the device body (100), and the working end of the piston (101) is in contact with the annular plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322788423.1U CN220890154U (en) | 2023-10-17 | 2023-10-17 | Blowout preventer for petroleum operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322788423.1U CN220890154U (en) | 2023-10-17 | 2023-10-17 | Blowout preventer for petroleum operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890154U true CN220890154U (en) | 2024-05-03 |
Family
ID=90873664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322788423.1U Active CN220890154U (en) | 2023-10-17 | 2023-10-17 | Blowout preventer for petroleum operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890154U (en) |
-
2023
- 2023-10-17 CN CN202322788423.1U patent/CN220890154U/en active Active
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| GR01 | Patent grant |