CN115324518A - Double-ram blowout preventer shell for oil exploitation - Google Patents
Double-ram blowout preventer shell for oil exploitation Download PDFInfo
- Publication number
- CN115324518A CN115324518A CN202110512617.1A CN202110512617A CN115324518A CN 115324518 A CN115324518 A CN 115324518A CN 202110512617 A CN202110512617 A CN 202110512617A CN 115324518 A CN115324518 A CN 115324518A
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- screw
- blowout preventer
- rods
- ram blowout
- fixed
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims 9
- 238000011084 recovery Methods 0.000 claims 9
- 238000003466 welding Methods 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
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- 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)
- Emergency Lowering Means (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a double-gate-plate blowout preventer shell for oil exploitation, which comprises a main body and vertical columns fixed on two sides of the main body, wherein the bottom ends of the two vertical columns are respectively inserted into two grooves at the bottom ends of two supports, the side walls of the two supports, which are opposite to each other, are respectively fixed with a locking mechanism, clamping pieces are respectively fixed on the two supports, two through holes matched with threaded columns are respectively formed in the two supports, two nuts are respectively arranged on the four threaded columns, the bottom ends of the four threaded columns are respectively connected with a supporting piece, each clamping piece comprises a clamping block and a lead screw, screw holes matched with the lead screw are respectively formed in the two supports, one end of the lead screw is rotatably connected with the clamping block, and the other end of the lead screw is connected with a knob. This double-ram blowout preventer casing for oil development has improved the stability of junction, the convenient regulation.
Description
Technical Field
The invention belongs to the technical field of double-ram blowout preventers, and particularly relates to a double-ram blowout preventer shell for oil exploitation.
Background
The blowout preventer is a well blowout device which is installed on a wellhead casing head during oil drilling and is used for controlling high-pressure oil, gas and water. When the pressure of oil gas in the well is very high, the blowout preventer can close (close) the well mouth. When heavy mud is pressed in the drill pipe, the four-way valve is arranged below the gate plate, mud invaded by gas can be replaced, and the pressure of a liquid column in the well is increased so as to press the ejection of high-pressure oil gas. The types thereof are classified into general blowout preventers, universal blowout preventers and rotary blowout preventers. The universal blowout preventer can be started in an emergency and can deal with drilling tools and empty wells of any sizes. The outer portion of a general double-ram blowout preventer is provided with a shell, after the shell of the general double-ram blowout preventer is connected with a wellhead casing, due to the lack of effective reinforcing measures, the joint of the shell of the double-ram blowout preventer and the wellhead casing is easy to loosen, and the sealing performance and the use of the double-ram blowout preventer are affected.
Therefore, in view of the current situation, it is urgently needed to design and produce a double-ram blowout preventer housing for oil exploitation so as to meet the requirements of practical use.
Disclosure of Invention
The invention aims to provide a double-ram blowout preventer shell for oil exploitation, which aims to solve the problems in the background technology.
The technical scheme is as follows: the utility model provides a double ram preventer shell for oil development, includes the main part and fixes the stand in the main part both sides, two recesses of two support bottoms are inserted respectively to the bottom of stand two lateral wall that the support was carried on the back mutually all is fixed with locking mechanism, two all be fixed with the holder on the support, two all set up on the support two with the through-hole of screw thread post adaptation, four all be equipped with two nuts on the screw thread post, four the bottom of screw thread post all is connected with support piece, the holder includes clamp splice and lead screw, two all set up the screw with the lead screw adaptation on the support, the one end and the clamp splice of lead screw rotate to be connected, the other end and the knob of lead screw are connected.
In a further embodiment, the top ends of the two upright posts are integrally formed with sleeves, two screw holes matched with the connecting bolts are formed in the side walls of the two sleeves, and the end parts of the four connecting bolts are abutted to the main body.
In a further embodiment, the locking mechanism comprises an outer frame, a T-shaped fixture block and two springs arranged in the outer frame, the side wall of the outer frame is provided with two through holes for the end parts of the U-shaped insertion rods to pass through, and the insertion rods penetrate through the two springs and are connected with the fixture block.
In a further embodiment, the side walls of the two supports and the upright post are provided with slots matched with the clamping blocks.
In a further embodiment, the supporting piece comprises a bottom plate, two convex plates and a clamping seat, wherein the two convex plates and the clamping seat are integrally formed with the bottom plate, the top ends of the two convex plates are respectively fixed with a limiting block, screw holes matched with the screw rods are formed in the two limiting blocks, the opposite end portions of the two screw rods are respectively rotatably connected with the clamping seat, and the end portions, far away from the clamping seat, of the two screw rods are respectively fixed with a knob.
In a further embodiment, through holes are formed in four corners of the bottom plate, and through grooves are formed in the bottom plate.
In a further embodiment, two side walls of the clamping seat opposite to each other are fixed with two guide rods, and two through holes matched with the guide rods are formed in the limiting blocks.
In a further embodiment, two cross rods are fixed on the side walls of the clamping blocks, and two connecting blocks are fixed on the two supports.
In a further embodiment, through holes matched with the cross rods are formed in the four connecting blocks, and the four cross rods are arranged in parallel to the screw rod.
In a further embodiment, two of the locking mechanisms are located between the main body and the two clamping pieces, and two of the supports are respectively welded with the two outer frames.
The invention has the technical effects and advantages that: according to the double-ram blowout preventer shell for oil exploitation, the nuts on the four threaded columns are unscrewed, the nuts are screwed after the height of the main body is adjusted, the position of the main body can be adjusted according to the height of a wellhead casing, and the main body is conveniently connected with the wellhead casing; after the main body is connected with a wellhead casing, the screw rods of the two clamping pieces are rotated, the two screw rods push the two clamping blocks to move oppositely, the two clamping blocks can be made to be tightly attached to the outer wall of the wellhead casing, the stability of the joint of the main body and the wellhead casing is improved, the two screw rods are rotated, the two clamping seats are pushed by the two screw rods to move towards the wellhead casing, the wellhead casing can be clamped by the two clamping seats, and the stability of the main body is further improved; the main part only needs two inserted bars of pulling to remove the fixed to two stands after with the separation of well head sleeve pipe, lifts the main part and can make two stands of fixing in the main part and two support separations, has saved the space at the in-process of transportation, and this double ram preventer casing for oil development has improved the stability of junction, the convenient regulation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 3 is a schematic structural view of the locking mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the clamping member of the present invention;
fig. 5 is a schematic structural view of the supporting member of the present invention.
In the figure: the device comprises a main body 1, a stand column 2, a sleeve 20, a connecting bolt 21, a locking mechanism 3, an outer frame 30, an insertion rod 31, a clamping block 32, a clamping piece 4, a clamping block 40, a connecting block 41, a cross rod 42, a screw rod 43, a support 5, a threaded column 6, a support 7, a bottom plate 70, a limiting block 71, a clamping seat 72, a guide rod 73, a screw rod 74 and a convex plate 75.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to improve the stability of the connection between the main body 1 and the wellhead casing, as shown in fig. 1, 4 and 5, the bottom ends of two upright posts 2 are respectively inserted into two grooves at the bottom ends of two supports 5, the opposite side walls of the two supports 5 are respectively fixed with a locking mechanism 3, the two supports 5 are respectively fixed with a clamping member 4, the two supports 5 are respectively provided with two through holes adapted to the threaded columns 6, the four threaded columns 6 are respectively provided with two nuts, the bottom ends of the four threaded columns 6 are respectively connected with a support member 7, the clamping member 4 comprises a clamping block 40 and a screw rod 43, the two supports 5 are respectively provided with a screw hole adapted to the screw rod 43, one end of the screw rod 43 is rotatably connected with the clamping block 40, the other end of the screw rod 43 is welded with a knob, the support member 7 comprises a bottom plate 70, two convex plates 75 and a clamping seat 72 integrally formed with the bottom plate 70, the top ends of the two convex plates 75 are welded with limiting blocks 71, the two limiting blocks 71 are respectively provided with a screw hole adaptive to the screw rods 74, the opposite end parts of the two screw rods 74 are respectively and rotatably connected with a clamping seat 72, the end parts of the two screw rods 74 far away from the clamping seats 72 are respectively welded with a knob, the four corners of the bottom plate 70 are respectively provided with a through hole, the bottom plate 70 is provided with a through groove, the opposite side walls of the two clamping seats 72 are respectively welded with two guide rods 73, the two limiting blocks 71 are respectively provided with two through holes adaptive to the guide rods 73, the screw rods 43 of the two clamping pieces 4 are rotated, the two screw rods 43 push the two clamping blocks 40 to move oppositely, the two clamping blocks 40 can be enabled to be tightly attached to the outer wall of the wellhead casing, the stability of the connection part of the main body 1 and the wellhead casing is improved, the two screw rods 74 are rotated, and the two clamping seats 72 are pushed to move towards the wellhead casing, the two clamping seats 72 can clamp the wellhead casing, so that the stability of the main body 1 is further improved;
in order to facilitate the adjustment of the height of the main body 1, as shown in fig. 1, the nuts on the four threaded columns 6 are unscrewed, the nuts are screwed after the height of the main body 1 is adjusted, the position of the main body 1 can be adjusted according to the height of a wellhead casing, and the main body 1 is conveniently connected with the wellhead casing;
in order to facilitate disassembly and transportation, as shown in fig. 2 and 3, sleeves 20 are integrally formed at the top ends of two upright posts 2, two screw holes adapted to the connecting bolts 21 are formed in the side walls of the two sleeves 20, the end portions of the four connecting bolts 21 are abutted to the main body 1, the locking mechanism 3 includes an outer frame 30, a T-shaped fixture block 32 and two springs arranged in the outer frame 30, two through holes for the end portions of U-shaped insertion rods 31 to pass through are formed in the side walls of the outer frame 30, the insertion rods 31 penetrate through the two springs and are welded to the fixture block 32, slots adapted to the fixture block 32 are formed in the side walls of the two supports 5 and the upright posts 2, the main body 1 is separated from the wellhead casing, the two upright posts 2 can be released from being fixed by pulling the two insertion rods 31, the main body 1 is lifted up, the two upright posts 2 fixed on the main body 1 can be separated from the two supports 5, and space is saved in the transportation process.
The theory of operation, this oil is opened and is adopted double ram preventer casing, unscrew the nut on four screw post 6, screw up the nut after adjusting the height of main part 1, can be according to the position of well head sheathed tube altitude mixture control main part 1, make things convenient for main part 1 and well head sheathed tube to be connected, rotate the lead screw 43 of two holders 4, two lead screws 43 promote two clamp splice 40 and move in opposite directions, can make two clamp splice 40 hug closely the sheathed tube outer wall of well head, the stability of main part 1 and well head sheathed tube junction has been improved, rotate two screw rods 74, two screw rods 74 promote two cassette 72 and move to the well head sleeve pipe, can make two cassettes 72 clamp well head sleeve pipe, the stability of main part 1 has further been improved, only need to stimulate two inserted bars 31 after main part 1 and the separation of well head sleeve pipe and can remove the fixing to two stands 2, lift main part 1 and can make two stands 2 and two supports 5 separation fixed on main part 1, the space has been saved in the in-process of transportation.
Finally, it should be noted that: the foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention.
Claims (10)
1. The utility model provides a double ram preventer casing for oil development, includes main part (1) and fixes stand (2) in main part (1) both sides, its characterized in that: two the bottom of stand (2) inserts two recesses of two support (5) bottoms respectively, two the lateral wall that supports (5) back on the back all is fixed with locking mechanism (3), two all be fixed with holder (4), two on support (5) all set up two through-holes with screw thread post (6) adaptation on support (5), four all be equipped with two nuts on screw thread post (6), four the bottom of screw thread post (6) all is connected with support piece (7), holder (4) include clamp splice (40) and lead screw (43), two all set up the screw with lead screw (43) adaptation on support (5), the one end and the clamp splice (40) of lead screw (43) rotate to be connected, the other end and the knob of lead screw (43) are connected.
2. The dual ram blowout preventer housing for oil recovery of claim 1, wherein: two the equal integrated into one piece in top of stand (2) has sleeve (20), two the screw of two and connecting bolt (21) adaptation is all seted up to the lateral wall of sleeve (20), four the tip of connecting bolt (21) all offsets with main part (1).
3. The dual ram blowout preventer housing for oil recovery according to claim 1, wherein: the locking mechanism (3) comprises an outer frame (30), a T-shaped clamping block (32) and two springs arranged in the outer frame (30), the side wall of the outer frame (30) is provided with two through holes for the end parts of U-shaped inserted rods (31) to pass through, and the inserted rods (31) penetrate through the two springs and are connected with the clamping block (32).
4. The dual ram blowout preventer housing for oil recovery according to claim 1, wherein: and the side walls of the two supports (5) and the upright post (2) are provided with slots matched with the clamping blocks (32).
5. The dual ram blowout preventer housing for oil recovery according to claim 1, wherein: the support piece (7) comprises a bottom plate (70), two convex plates (75) and a clamping seat (72), wherein the two convex plates (75) and the clamping seat (72) are integrally formed with the bottom plate (70), the top ends of the two convex plates (75) are fixed with limiting blocks (71), screw holes matched with the screw rods (74) are formed in the two limiting blocks (71), the opposite end portions of the screw rods (74) are connected with the clamping seat (72) in a rotating mode, and the end portions, far away from the clamping seat (72), of the screw rods (74) are fixed with knobs.
6. The dual ram blowout preventer housing for oil recovery according to claim 5, wherein: through holes are formed in four corners of the bottom plate (70), and through grooves are formed in the bottom plate (70).
7. The dual ram blowout preventer housing for oil recovery according to claim 5, wherein: two guide rods (73) are fixed on the side walls, back to each other, of the two clamping seats (72), and two through holes matched with the guide rods (73) are formed in the two limiting blocks (71).
8. The dual ram blowout preventer housing for oil recovery according to claim 1, wherein: the lateral wall of clamp splice (40) is fixed with two horizontal poles (42), two all be fixed with two connecting block (41) on support (5).
9. The dual ram blowout preventer housing for oil recovery according to claim 8, wherein: four through holes matched with the cross rods (42) are formed in the connecting blocks (41), and the cross rods (42) are arranged in parallel to the screw rods (43).
10. The dual ram blowout preventer housing for oil recovery of claim 1, wherein: two locking mechanism (3) all are located between main part (1) and two holder (4), two support (5) respectively with two frame (30) welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110512617.1A CN115324518B (en) | 2021-05-11 | 2021-05-11 | Double-ram blowout preventer shell for petroleum exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110512617.1A CN115324518B (en) | 2021-05-11 | 2021-05-11 | Double-ram blowout preventer shell for petroleum exploitation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115324518A true CN115324518A (en) | 2022-11-11 |
| CN115324518B CN115324518B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110512617.1A Active CN115324518B (en) | 2021-05-11 | 2021-05-11 | Double-ram blowout preventer shell for petroleum exploitation |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9163472B2 (en) * | 2012-09-16 | 2015-10-20 | Travis Childers | Extendable conductor stand having multi-stage blowout protection |
| CN107178334A (en) * | 2017-07-28 | 2017-09-19 | 江苏恒鑫石化机械有限公司 | A kind of preventer using stable and Anti-fall |
| CN206769866U (en) * | 2017-05-29 | 2017-12-19 | 江苏省金峰石油机械制造有限公司 | A kind of oil exploitation preventer suitable for pipelines diameter |
| CN208473765U (en) * | 2018-06-12 | 2019-02-05 | 中国石油天然气股份有限公司 | Operation device under pressure |
| CN210918964U (en) * | 2019-06-11 | 2020-07-03 | 大庆市富隆达石油工程机械设备有限公司 | Downward oil pipe blowout preventer |
| CN211136896U (en) * | 2019-12-05 | 2020-07-31 | 张家港市海昌金属制品有限公司 | Metal forging adds clamping apparatus |
| CN212080307U (en) * | 2020-04-26 | 2020-12-04 | 杭州福诗科技有限公司 | Portable valve opener capable of being adjusted in telescopic mode |
| CN212706292U (en) * | 2020-06-05 | 2021-03-16 | 费芦林 | Fixed effectual stop device for plastic products processing |
| CN212947480U (en) * | 2020-08-05 | 2021-04-13 | 苏州人和汽车科技有限公司 | Clamping device is used in production of silicon oil clutch |
-
2021
- 2021-05-11 CN CN202110512617.1A patent/CN115324518B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9163472B2 (en) * | 2012-09-16 | 2015-10-20 | Travis Childers | Extendable conductor stand having multi-stage blowout protection |
| CN206769866U (en) * | 2017-05-29 | 2017-12-19 | 江苏省金峰石油机械制造有限公司 | A kind of oil exploitation preventer suitable for pipelines diameter |
| CN107178334A (en) * | 2017-07-28 | 2017-09-19 | 江苏恒鑫石化机械有限公司 | A kind of preventer using stable and Anti-fall |
| CN208473765U (en) * | 2018-06-12 | 2019-02-05 | 中国石油天然气股份有限公司 | Operation device under pressure |
| CN210918964U (en) * | 2019-06-11 | 2020-07-03 | 大庆市富隆达石油工程机械设备有限公司 | Downward oil pipe blowout preventer |
| CN211136896U (en) * | 2019-12-05 | 2020-07-31 | 张家港市海昌金属制品有限公司 | Metal forging adds clamping apparatus |
| CN212080307U (en) * | 2020-04-26 | 2020-12-04 | 杭州福诗科技有限公司 | Portable valve opener capable of being adjusted in telescopic mode |
| CN212706292U (en) * | 2020-06-05 | 2021-03-16 | 费芦林 | Fixed effectual stop device for plastic products processing |
| CN212947480U (en) * | 2020-08-05 | 2021-04-13 | 苏州人和汽车科技有限公司 | Clamping device is used in production of silicon oil clutch |
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| Publication number | Publication date |
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| CN115324518B (en) | 2024-03-08 |
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