CN115324518B - Double-ram blowout preventer shell for petroleum exploitation - Google Patents
Double-ram blowout preventer shell for petroleum exploitation Download PDFInfo
- Publication number
- CN115324518B CN115324518B CN202110512617.1A CN202110512617A CN115324518B CN 115324518 B CN115324518 B CN 115324518B CN 202110512617 A CN202110512617 A CN 202110512617A CN 115324518 B CN115324518 B CN 115324518B
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- CN
- China
- Prior art keywords
- clamping
- blowout preventer
- screw
- supports
- ram blowout
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003208 petroleum Substances 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000010485 coping Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Emergency Lowering Means (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a dual-ram blowout preventer shell for petroleum exploitation, which comprises a main body and upright posts fixed on two sides of the main body, wherein the bottom ends of the two upright posts are respectively inserted into two grooves at the bottom ends of two supports, the side walls of the two supports, which are opposite, are respectively fixed with a locking mechanism, the two supports are respectively fixed with a clamping piece, the two supports are respectively provided with two through holes matched with threaded columns, the four threaded columns are respectively provided with two nuts, the bottom ends of the four threaded columns are respectively connected with a supporting piece, the clamping pieces comprise clamping blocks and screw rods, the two supports are respectively provided with screw holes matched with the screw rods, one end of each screw rod is rotationally connected with the clamping blocks, and the other end of each screw rod is connected with a knob. This oil is opened and is used two ram preventer casings has improved the stability of junction, conveniently adjusts.
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 petroleum exploitation.
Background
The blowout preventer is a blowout device which is arranged on a wellhead sleeve and used for controlling high-pressure oil, gas and water when petroleum is drilled. When the oil gas pressure in the well is high, the blowout preventer can seal (close) the well mouth. When heavy mud is pressed in from the drill rod, the four-way valve is arranged below the flashboard, so that the mud which is immersed by gas can be replaced, the pressure of a liquid column in the well is increased, and the high-pressure oil gas is pressed out. The types of which are common blowout preventers, universal blowout preventers and rotary blowout preventers. Universal blowout preventers are drilling tools and empty wells that can be started in emergency situations, coping with any size. The outer portion of a general double-ram blowout preventer is provided with a shell, and after the general double-ram blowout preventer shell is connected with a wellhead casing, due to the lack of effective reinforcing measures, the connection position of the double-ram blowout preventer shell and the wellhead casing is easy to loosen, so that the tightness and the use of the double-ram blowout preventer are affected.
Thus, in view of this current situation, there is an urgent need to design and produce a dual ram blowout preventer housing for oil exploitation to meet the needs of practical use.
Disclosure of Invention
The invention aims to provide a double-ram blowout preventer shell for petroleum exploitation, which aims to solve the problems in the prior art.
The technical scheme is as follows: the utility model provides a two ram preventer casings for oil exploitation, includes the main part and fixes the stand in the main part both sides, two the bottom of stand inserts two recesses of two support bottoms respectively, two the lateral wall that the support is dorsad all is fixed with locking mechanism, two all be fixed with the holder on the support, two all set up two through-holes with the screw thread post adaptation on the support, 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 seted up the screw with the lead screw adaptation on the support, the one end and the clamp splice rotation of lead screw are 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 uniformly formed with sleeves, the side walls of the two sleeves are provided with two screw holes matched with connecting bolts, and the end parts of the four connecting bolts are propped against the main body.
In a further embodiment, the locking mechanism comprises an outer frame, a T-shaped clamping block and two springs arranged in the outer frame, two through holes for the end parts of the U-shaped inserted bars to pass through are formed in the side wall of the outer frame, and the inserted bars penetrate through the two springs and are connected with the clamping block.
In a further embodiment, slots adapted to the fixture blocks are formed in the side walls of the two supports and the upright post.
In a further embodiment, the support member comprises a bottom plate, two convex plates and a clamping seat which are integrally formed with the bottom plate, wherein the top ends of the two convex plates are respectively fixed with a limiting block, screw holes which are matched with screws are respectively formed in the limiting blocks, the opposite ends of the two screws are respectively connected with the clamping seat in a rotating mode, and the ends, far away from the clamping seats, of the two screws are respectively fixed with a knob.
In a further embodiment, through holes are formed at four corners of the bottom plate, and through grooves are formed in the bottom plate.
In a further embodiment, two guide rods are fixed on the opposite side walls of the two clamping seats, and two through holes matched with the guide rods are formed in the two limiting blocks.
In a further embodiment, two cross bars are fixed to the side walls of the clamping blocks, and two connecting blocks are fixed to the two supports.
In a further embodiment, through holes matched with the cross bars are formed in the four connecting blocks, and the four cross bars are parallel to the screw rod.
In a further embodiment, the two locking mechanisms are located between the main body and the two clamping members, and the two supports are welded with the two outer frames respectively.
The invention has the technical effects and advantages that: according to the double-ram blowout preventer shell for petroleum exploitation, the nuts on the four threaded columns are unscrewed, the nuts are screwed down after the height of the main body is adjusted, the position of the main body can be adjusted according to the height of the wellhead casing, and the main body is convenient to connect with the wellhead casing; after the main body is connected with the wellhead sleeve, the screw rods of the two clamping pieces are rotated, the two screw rods push the two clamping blocks to move in opposite directions, so that the two clamping blocks can be clung to the outer wall of the wellhead sleeve, the stability of the joint of the main body and the wellhead sleeve is improved, the two screw rods are rotated, the two screw rods push the two clamping seats to move towards the wellhead sleeve, the two clamping seats can clamp the wellhead sleeve, and the stability of the main body is further improved; after the main body is separated from the wellhead sleeve, the two inserted bars are pulled to release the fixation of the two stand columns, the two stand columns fixed on the main body can be separated from the two support seats by lifting the main body, the space is saved in the transportation process, and the double-flashboard blowout preventer shell is used for petroleum exploitation, so that the stability of the joint is improved, and the regulation is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1A in accordance with the present invention;
FIG. 3 is a schematic view of a locking mechanism according to the present invention;
FIG. 4 is a schematic view of a clamping member according to the present invention;
fig. 5 is a schematic structural view of the support member of the present invention.
In the figure: the clamping 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, a plug 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 supporting piece 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 invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the 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 the 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 piece 4, the two supports 5 are respectively provided with two through holes matched with the threaded posts 6, the four threaded posts 6 are respectively provided with two nuts, the bottom ends of the four threaded posts 6 are respectively connected with a supporting piece 7, the clamping piece 4 comprises a clamping block 40 and a screw rod 43, the two supports 5 are respectively provided with screw holes matched with the screw rod 43, one end of the screw rod 43 is rotationally connected with the clamping block 40, the other end of the screw rod 43 is welded with a knob, the supporting piece 7 comprises a bottom plate 70, two convex plates 75 and a clamping seat 72 which are integrally formed with the bottom plate 70, the top ends of the two convex plates 75 are welded with limiting blocks 71, screw holes matched with screw rods 74 are formed in the limiting blocks 71, opposite ends of the two screw rods 74 are rotationally connected with clamping seats 72, the ends of the two screw rods 74, which are far away from the clamping seats 72, are welded with knobs, through holes are formed in four corners of the bottom plate 70, through grooves are formed in the bottom plate 70, two guide rods 73 are welded on opposite side walls of the clamping seats 72, two through holes matched with the guide rods 73 are formed in the limiting blocks 71, 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 clung to the outer wall of a wellhead sleeve, the stability of the junction of the main body 1 and the wellhead sleeve is improved, the two screw rods 74 are rotated, the two clamping seats 72 are pushed to move towards the wellhead sleeve, the two clamping seats 72 can be used for clamping 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 the wellhead sleeve, and the connection of the main body 1 and the wellhead sleeve is facilitated;
for convenient dismantlement transportation, as shown in fig. 2 and 3, two the top homogeneous body shaping of stand 2 has sleeve 20, two sleeve 20's lateral wall has all been seted up two screw with connecting bolt 21 adaptation, four connecting bolt 21's tip all offsets with main part 1, locking mechanism 3 includes frame 30, T-shaped fixture block 32 and establishes two springs in frame 30, two through-holes that supply the tip of U-shaped inserted bar 31 passed are seted up to frame 30's lateral wall, inserted bar 31 runs through two springs and welds with fixture block 32, two the slot with fixture block 32 adaptation is all seted up to support 5 and stand 2's lateral wall, and main part 1 only need to stimulate two inserted bars 31 after the well head sleeve pipe separation can release the fixed to two stands 2, and the space has been saved in the in-process of transportation to two stands 2 that the lift main part 1 can make to fix on main part 1 with two supports 5 separation.
According to the working principle, the screw caps on the four threaded columns 6 are unscrewed, the heights of the main bodies 1 are adjusted, the screw caps are screwed down, the positions of the main bodies 1 can be adjusted according to the heights of wellhead bushings, the connection of the main bodies 1 and the wellhead bushings is facilitated, 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 in opposite directions, the two clamping blocks 40 can be tightly attached to the outer wall of the wellhead bushings, the stability of the connection of the main bodies 1 and the wellhead bushings is improved, the two screw rods 74 are rotated, the two screw rods 74 push the two clamping seats 72 to move towards the wellhead bushings, the wellhead bushings can be clamped by the two clamping seats 72, the stability of the main bodies 1 is further improved, the fixing of the two upright posts 2 can be relieved by pulling the two inserting rods 31 after the main bodies 1 are separated from the wellhead bushings, the two upright posts 2 fixed on the main bodies 1 can be separated from the two support seats 5, and the space is saved in the transportation process.
Finally, it should be noted that: the foregoing is merely preferred and is not intended to limit the invention.
Claims (7)
1. The utility model provides a two ram blowout preventer casings for oil exploitation, includes main part (1) and fixes stand (2) in main part (1) both sides, its characterized in that: the bottom ends of the two stand columns (2) are respectively inserted into two grooves at the bottom ends of the two support seats (5), the side walls of the two support seats (5) which are opposite are respectively fixed with a locking mechanism (3), the two support seats (5) are respectively fixed with a clamping piece (4), the two support seats (5) are respectively provided with two through holes matched with 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 the supporting piece (7), the clamping pieces (4) comprise clamping blocks (40) and screw rods (43), the two support seats (5) are respectively provided with screw holes matched with the screw rods (43), one end of each screw rod (43) is rotationally connected with the corresponding clamping block (40), and the other end of each screw rod (43) is connected with a knob.
The top ends of the two upright posts (2) are integrally formed with sleeves (20), the side walls of the two sleeves (20) are provided with two screw holes matched with connecting bolts (21), and the end parts of the four connecting bolts (21) are propped against the main body (1);
the locking mechanism (3) comprises an outer frame (30), a T-shaped clamping block (32) and two springs arranged in the outer frame (30), two through holes for the end parts of U-shaped inserted rods (31) to pass through are formed in the side wall of the outer frame (30), and the inserted rods (31) penetrate through the two springs and are connected with the clamping block (32);
the support piece (7) comprises a bottom plate (70), two convex plates (75) and clamping seats (72) which are integrally formed with the bottom plate (70), limiting blocks (71) are respectively fixed at the top ends of the convex plates (75), screw holes matched with screw rods (74) are respectively formed in the limiting blocks (71), the clamping seats (72) are respectively connected with opposite end portions of the screw rods (74) in a rotating mode, and knobs are respectively fixed at the end portions, far away from the clamping seats (72), of the screw rods (74).
2. The dual ram blowout preventer housing of claim 1, wherein: the side walls of the two supports (5) and the upright post (2) are provided with slots which are matched with the clamping blocks (32).
3. The dual ram blowout preventer housing of claim 1, wherein: through holes are formed in four corners of the bottom plate (70), and through grooves are formed in the bottom plate (70).
4. The dual ram blowout preventer housing of claim 1, wherein: two guide rods (73) are fixed on the side walls of the two clamping seats (72) which are opposite to each other, and two through holes matched with the guide rods (73) are formed in the two limiting blocks (71).
5. The dual ram blowout preventer housing of claim 1, wherein: two cross bars (42) are fixed on the side wall of the clamping block (40), and two connecting blocks (41) are fixed on the two supports (5).
6. The dual ram blowout preventer housing of claim 5, wherein: through holes matched with the cross bars (42) are formed in the four connecting blocks (41), and the four cross bars (42) are parallel to the screw rods (43).
7. The dual ram blowout preventer housing of claim 1, wherein: the two locking mechanisms (3) are located between the main body (1) and the two clamping pieces (4), and the two supports (5) are welded with the two outer frames (30) respectively.
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 CN115324518A (en) | 2022-11-11 |
| CN115324518B true CN115324518B (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110512617.1A Active CN115324518B (en) | 2021-05-11 | 2021-05-11 | Double-ram blowout preventer shell for petroleum exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115324518B (en) |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115324518A (en) | 2022-11-11 |
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