CN111827915B - Oil development well head back pressure control device - Google Patents
Oil development well head back pressure control device Download PDFInfo
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- CN111827915B CN111827915B CN202010931743.6A CN202010931743A CN111827915B CN 111827915 B CN111827915 B CN 111827915B CN 202010931743 A CN202010931743 A CN 202010931743A CN 111827915 B CN111827915 B CN 111827915B
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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000011084 recovery Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a back pressure control device of an oil exploitation wellhead, which comprises a back pressure control device, wherein a circular groove is processed below the back pressure control device, supporting mechanisms are respectively arranged on the outer sides of the front surfaces of two supports, each supporting mechanism comprises a first inclined plate, a first threaded rod, a first concave plate, a straight rod, a second inclined plate, a second concave plate, a first spring and a convex plate, and the top of the first inclined plate is rotatably connected with the left side of the front surface of each support. Through the cooperation of supporting mechanism, circular slot and support, the control support rotates the position that changes supporting mechanism in the circular slot is inside, the supporting mechanism fixed stay of being convenient for has saved the trouble of artificial filling, has reduced the work degree of difficulty, has improved the practicality, has avoided long-time vibration extrusion deformation, has prevented the damage, has prolonged life, and it is convenient to install, easy operation has improved work efficiency, has prevented that the oil from getting into the connector, has saved the trouble of clearance, has ensured the next connection use, facilitate promotion.
Description
Technical Field
The invention relates to the technical field of oil exploitation wellhead pressure recovery control devices, in particular to an oil exploitation wellhead pressure recovery control device.
Background
The oil exploitation wellhead back pressure control device comprises a pipe head, a blowout preventer group and the like, and is used for controlling the pressure and direction of gas and liquid fluid, including an oil production tree and a gas production tree.
The utility model discloses a well head back pressure control device of oil development, including the bracing piece, the bracing piece is fixed, the ground roughness is unsatisfied when supporting after connecting, need the manual level of filling, the work degree of difficulty has been increased, the practicality has been reduced, and the bracing piece does not have buffer protection, receive vibrations extrusion for a long time, take place easily to warp, lead to damaging, service life has been shortened, and connect fixed flange threaded connection that adopts, round bolt installation is troublesome, the handling capacity is big, work efficiency has been reduced, the flange connector is more simultaneously, get into the oil easily, it is troublesome to clear up, influence the next time and connect the use, be not conform to modern's user demand.
Disclosure of Invention
The invention aims to provide an oil exploitation wellhead back pressure control device, and aims to solve the problems that the position of a support rod is fixed when the existing oil exploitation wellhead back pressure control device is used, and manual filling is needed when the ground flatness does not meet the support after connection, so that the working difficulty is increased, and the practicability is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a back pressure control device of an oil exploitation wellhead comprises a back pressure control device, wherein a circular groove is machined below the back pressure control device, supports are slidably clamped on the left side and the right side of the inner wall of the circular groove, and supporting mechanisms are mounted on the outer sides of the front surfaces of the two supports;
the supporting mechanism comprises a first inclined plate, a first threaded rod, a first concave plate, a straight rod, a second inclined plate, a second concave plate, a first spring and a convex plate;
the top of first swash plate rotates with the positive left side of support and links to each other, the inner wall of first swash plate and the outer wall threaded connection of first threaded rod, the bottom of first threaded rod and the top looks rigid coupling of first concave plate, the bottom of first concave plate and the top looks rigid coupling of straight-bar, the outer wall of straight-bar and the top inner wall clearance fit of second swash plate, the outer wall top of second swash plate and the inner wall looks rigid coupling of second concave plate, the outer wall of straight-bar cup joints with the inner wall of first spring mutually, the upper and lower both sides of first spring respectively with the bottom of first concave plate and the top looks rigid coupling of second concave plate, the bottom of second swash plate rotates with the top of flange and links to each other.
Preferably, the first concave plate, the straight rod, the second inclined plate, the second concave plate and the first spring form an elastic telescopic mechanism.
Preferably, the bottom of each of the two second inclined plates is fixedly connected with a curved block, and the curved blocks form a triangle.
Preferably, the bottom of the back pressure control device is communicated with a thick cylinder, a well mouth is inserted into the outer wall of the thick cylinder, sliding grooves are machined below the left side and the right side of the well mouth, and the top of the well mouth is abutted against the bottom of the back pressure control device.
Preferably, a control mechanism is arranged on the outer side of the bottom of the back pressure control device;
the control mechanism comprises a shell, a groove, a second threaded rod, a straight plate and a handle;
the top of shell and back pressure control device's bottom outside looks rigid coupling, the outer wall left and right sides of shell is processed the recess respectively, two both sides rotate with the outer wall of second threaded rod about the inner wall of recess respectively and link to each other, two the outer wall screw thread of second threaded rod respectively with the positive inboard threaded connection of straight board, two the bottom of second threaded rod respectively with the top looks rigid coupling of handle.
Preferably, the second threaded rod and the straight plate form a lifting mechanism.
Preferably, the front surfaces of the two straight plates are provided with fixing mechanisms;
the fixing mechanism comprises a bent plate, a handle, a bent rod and a second spring;
two the top of bent plate rotates with the front of straight board respectively and links to each other, two the outside below of bent plate respectively with the inboard looks rigid coupling of handle, two the outside of bent plate respectively with the inboard looks rigid coupling of knee-lever, two the outer wall top of knee-lever respectively with the positive outside clearance fit of straight board, two the outer wall of knee-lever cup joints with the inner wall of second spring respectively mutually, two the upper and lower both sides of second spring respectively with the outside looks rigid coupling of straight board.
Preferably, the lower parts of the inner sides of the two bent plates are respectively inserted into the inner walls of the sliding grooves.
Preferably, the two handles are spherical balls.
Compared with the prior art, the invention has the beneficial effects that:
according to the oil exploitation wellhead back pressure control device, the support is controlled to rotate in the circular groove through the matching of the support mechanism, the circular groove and the support, so that the position of the support mechanism is changed, the support mechanism is convenient to fix and support, the trouble of artificial filling is eliminated, the working difficulty is reduced, and the practicability is improved;
according to the oil exploitation wellhead back pressure control device, the first concave plate and the second concave plate are protected by buffering through the first spring in the supporting mechanism, so that long-time vibration extrusion deformation is avoided, damage is prevented, and the service life is prolonged;
according to the oil exploitation wellhead back pressure control device, the bent plate is controlled to be clamped with the sliding groove through the matching of the control mechanism and the fixing mechanism, so that the connection and the fixation are realized, the installation is convenient and fast, the operation is simple, and the working efficiency is improved;
this oil development well head back pressure controlling means changes flange bolt fixed form through control mechanism and fixed establishment's cooperation, has prevented that the oil from getting into the connector, has saved the trouble of clearance, has ensured to connect the use next time, the facilitate promotion.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection relationship between the circular groove, the bracket and the first inclined plate in FIG. 1;
FIG. 3 is a schematic view of a connection relationship between the first concave plate, the straight rod and the second inclined plate in FIG. 1;
FIG. 4 is a schematic view showing a connection structure of the housing, the recess and the second threaded rod of FIG. 1;
FIG. 5 is a schematic view of the connection relationship between the second threaded rod, the straight plate and the handle in FIG. 1;
fig. 6 is a schematic view showing a connection relationship between the bent plate, the bent rod and the second spring in fig. 1.
In the figure: 1. the back pressure control device comprises a back pressure control device, 2, a support mechanism, 201, a first inclined plate, 202, a first threaded rod, 203, a first concave plate, 204, a straight rod, 205, a second inclined plate, 206, a second concave plate, 207, a first spring, 208, a convex plate, 3, a control mechanism, 301, a shell, 302, a groove, 303, a second threaded rod, 304, a straight plate, 305, a handle, 4, a fixing mechanism, 401, a bent plate, 402, a handle, 403, a bent rod, 404, a second spring, 5, a circular groove, 6, a support, 7, a bent block, 8, a thick cylinder, 9, a wellhead, 10 and a sliding groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
example 1
A back pressure control device of an oil exploitation wellhead comprises a back pressure control device 1, the model of the back pressure control device 1 is JKQ65-35, a circular groove 5 is processed below the back pressure control device 1, brackets 6 are respectively clamped on the left side and the right side of the inner wall of the circular groove 5 in a sliding mode, the circular groove 5 is in a circular ring shape, supporting mechanisms 2 are respectively installed on the outer sides of the front surfaces of the two brackets 6, each supporting mechanism 2 comprises a first inclined plate 201, a first threaded rod 202, a first concave plate 203, a straight rod 204, a second inclined plate 205, a second concave plate 206, a first spring 207 and a convex plate 208, the top of the first inclined plate 201 is rotatably connected with the left side of the front surface of each bracket 6, the first inclined plate 201 is forced to rotate through a pin shaft on the left side of the front surface of each bracket 6, the inner wall of the first inclined plate 201 is in threaded connection with the outer wall of the first threaded rod 202, the bottom of the first concave plate 202 is fixedly connected with the top of the first concave plate 203, the bottom of the first concave plate 203 is fixedly connected with the top of the straight rod 204, the outer wall of the straight rod 204 is in clearance fit with the inner wall of the top of the second inclined plate 205, the straight rod 204 is stressed to move up and down through the inner wall of the top of the second inclined plate 205, the upper part of the outer wall of the second inclined plate 205 is fixedly connected with the inner wall of the second concave plate 206, the outer wall of the straight rod 204 is sleeved with the inner wall of the first spring 207, the upper side and the lower side of the first spring 207 are fixedly connected with the bottom of the first concave plate 203 and the top of the second concave plate 206 respectively, the straight rod 204 is rebounded through the first spring 207 after being stressed to move, the bottom of the second inclined plate 205 is rotatably connected with the top of the convex plate 208, the convex plate 208 is stressed to rotate through a pin shaft at the bottom of the second inclined plate 205, the first concave plate 203 and the straight rod 204, the second inclined plate 205, the second concave plate 206 and the first spring 207 form an elastic telescopic mechanism, the straight rod 204 is stressed to move up and down through the inner wall of the top of the second inclined plate 205 and then rebounded through the first spring 207, and the straight rod 204 is stretched.
Example 2
As an optional situation, referring to fig. 1, 4, 5 and 6, in the oil exploitation wellhead back pressure control device, the bottoms of two second inclined plates 205 are respectively fixedly connected with a curved block 7, the two curved blocks 7 are formed into a triangle shape and are convenient to insert into the ground, the bottom of the back pressure control device 1 is communicated with a thick cylinder 8, the outer wall of the thick cylinder 8 is inserted with a wellhead 9, chutes 10 are respectively processed below the left side and the right side of the wellhead 9, the top of the wellhead 9 is abutted against the bottom of the back pressure control device 1, the outer side of the bottom of the back pressure control device 1 is provided with a control mechanism 3, the control mechanism 3 comprises a shell 301, a groove 302, a second threaded rod 303, a straight plate 304 and a handle 305, the top of the shell 301 is fixedly connected with the outer side of the bottom of the back pressure control device 1, the left side and the right side of the outer wall of the shell 301 are respectively processed with grooves 302, the upper and lower sides of the inner walls of the two grooves 302 are respectively rotatably connected with the upper and lower sides of the outer wall of the second threaded rod 303, the second threaded rods 303 are stressed to rotate through bearings on the upper side and the lower side of the inner wall of the groove 302, the threads on the outer walls of the two second threaded rods 303 are respectively in threaded connection with the inner side of the front face of the straight plate 304, the bottoms of the two second threaded rods 303 are respectively fixedly connected with the top of the handle 305, the handle 305 is convenient to rotate the second threaded rods 303, the second threaded rods 303 and the straight plate 304 form a lifting mechanism, and the second threaded rods 303 rotate to drive the straight plate 304 to move up and down.
The scheme in this embodiment can be selectively combined with the schemes in other embodiments
Example 3
As an optional situation, referring to fig. 1, 4, 5 and 6, in the oil production wellhead back pressure control device, the front surfaces of two straight plates 304 are respectively provided with a fixing mechanism 4, the fixing mechanism 4 comprises a bent plate 401, a handle 402, a curved rod 403 and a second spring 404, the tops of the two bent plates 401 are respectively connected with the front surfaces of the straight plates 304 in a rotating manner, the bent plates 401 are stressed to rotate through front surface pin shafts of the straight plates 304, the lower parts of the outer sides of the two bent plates 401 are respectively fixedly connected with the inner sides of the handle 402, the handle 402 is convenient for pulling the bent plates 401 to rotate, the outer sides of the two bent plates 401 are respectively fixedly connected with the inner sides of the curved rods 403, the upper parts of the outer walls of the two curved rods 403 are respectively in clearance fit with the outer sides of the front surfaces of the straight plates 304, the curved rods 403 are stressed to move up and down through the outer sides of the front surfaces of the straight plates 304, the outer walls of the two curved rods 403 are respectively sleeved with the inner walls of the second springs 404, the upper and lower sides of the two second springs 404 are respectively fixedly connected with the outer sides of the straight plates 304, the curved bar 403 is forced to move and rebounds through the second spring 204, the lower portions of the inner sides of the two curved plates 401 are respectively inserted into the inner wall of the sliding chute 10, the two handles 402 are round balls, and the handles 402 and the round balls are convenient to hold and use.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
The working principle of the invention is as follows:
when the back pressure control device 1 is used, the two bent plates 401 are rotated outwards through the handle 402, the bent rod 403 is further moved upwards through the straight plate 304, the second spring 404 is extruded, the bottom thick cylinder 8 of the back pressure control device 1 is inserted into the interior of the wellhead 9, then the handle 402 is released, the spring 404 provides elasticity to enable the bent plates 401 to rebound, the bent plates 404 are inserted into the interior of the chute 10, then the second threaded rod 303 is driven to rotate through the grips 305 on two sides, so that the straight plate 304 is moved upwards on the inner wall of the groove 302 until the bent plates 401 are abutted against the top of the inner wall of the chute 10, then the bracket 6 is rotated inside the circular groove 5, the position of the supporting mechanism is adjusted, then the first threaded rod 202 is rotated downwards on the inner wall of the first inclined plate 201 when the first groove 203 is rotated, then the curved block 7 is inserted into the ground, when the back pressure control device 1 is used, and vibration is generated due to overlarge pressure on the inner wall, the first concave plate 203 drives the straight rod 204 to move towards the inside of the second inclined plate 205, so as to press the first spring 207, and then the first spring 207 provides elastic force to enable the second concave plate 203 to rebound, so that the received force is buffered and eliminated.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an oil development well head back pressure controlling means, includes back pressure controlling means (1), its characterized in that: a circular groove (5) is machined below the back pressure control device (1), brackets (6) are slidably clamped on the left side and the right side of the inner wall of the circular groove (5), and supporting mechanisms (2) are mounted on the outer sides of the front surfaces of the two brackets (6);
the supporting mechanism (2) comprises a first inclined plate (201), a first threaded rod (202), a first concave plate (203), a straight rod (204), a second inclined plate (205), a second concave plate (206), a first spring (207) and a convex plate (208);
the top of the first inclined plate (201) is rotatably connected with the left side of the front surface of the bracket (6), the inner wall of the first inclined plate (201) is in threaded connection with the outer wall of the first threaded rod (202), the bottom of the first threaded rod (202) is fixedly connected with the top of the first concave plate (203), the bottom of the first concave plate (203) is fixedly connected with the top of the straight rod (204), the outer wall of the straight rod (204) is in clearance fit with the inner wall of the top of the second inclined plate (205), the upper part of the outer wall of the second inclined plate (205) is fixedly connected with the inner wall of the second concave plate (206), the outer wall of the straight rod (204) is sleeved with the inner wall of the first spring (207), the upper side and the lower side of the first spring (207) are respectively and fixedly connected with the bottom of the first concave plate (203) and the top of the second concave plate (206), the bottom of the second inclined plate (205) is rotatably connected with the top of the convex plate (208);
a control mechanism (3) is arranged on the outer side of the bottom of the back pressure control device (1);
the control mechanism (3) comprises a shell (301), a groove (302), a second threaded rod (303), a straight plate (304) and a handle (305);
the top of the shell (301) is fixedly connected with the outer side of the bottom of the back pressure control device (1), grooves (302) are respectively machined in the left side and the right side of the outer wall of the shell (301), the upper sides and the lower sides of the inner walls of the two grooves (302) are respectively connected with the upper sides and the lower sides of the outer walls of the second threaded rods (303) in a rotating mode, the threads of the outer walls of the two second threaded rods (303) are respectively connected with the inner side of the front face of the straight plate (304) in a threaded mode, and the bottoms of the two second threaded rods (303) are respectively fixedly connected with the top of the handle (305);
the second threaded rod (303) and the straight plate (304) form a lifting mechanism;
the front surfaces of the two straight plates (304) are respectively provided with a fixing mechanism (4);
the fixing mechanism (4) comprises a bent plate (401), a handle (402), a bent rod (403) and a second spring (404);
the tops of the two bent plates (401) are respectively connected with the front of the straight plate (304) in a rotating mode, the lower portions of the outer sides of the two bent plates (401) are respectively fixedly connected with the inner side of the handle (402), the outer sides of the two bent plates (401) are respectively fixedly connected with the inner sides of the curved rods (403), the upper portions of the outer walls of the two curved rods (403) are respectively in clearance fit with the outer sides of the front of the straight plate (304), the outer walls of the two curved rods (403) are respectively sleeved with the inner walls of the second springs (404), and the upper side and the lower side of each second spring (404) are respectively fixedly connected with the outer sides of the straight plate (304);
the lower parts of the inner sides of the two bent plates (401) are respectively inserted into the inner walls of the sliding grooves (10);
the two handles (402) are spherical in shape.
2. An oil recovery wellhead back pressure control device as claimed in claim 1, wherein: the first concave plate (203), the straight rod (204), the second inclined plate (205), the second concave plate (206) and the first spring (207) form an elastic telescopic mechanism.
3. An oil recovery wellhead back pressure control device as claimed in claim 1, wherein: the bottom of the two second inclined plates (205) is fixedly connected with a curved block (7) respectively, and the curved blocks (7) form a triangle.
4. An oil recovery wellhead back pressure control device as claimed in claim 1, wherein: the bottom of the back pressure control device (1) is communicated with a thick cylinder (8), a well head (9) is inserted into the outer wall of the thick cylinder (8), sliding grooves (10) are machined below the left side and the right side of the well head (9), and the top of the well head (9) is abutted against the bottom of the back pressure control device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010931743.6A CN111827915B (en) | 2020-09-08 | 2020-09-08 | Oil development well head back pressure control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010931743.6A CN111827915B (en) | 2020-09-08 | 2020-09-08 | Oil development well head back pressure control device |
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| Publication Number | Publication Date |
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| CN111827915A CN111827915A (en) | 2020-10-27 |
| CN111827915B true CN111827915B (en) | 2022-05-06 |
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| CN202010931743.6A Active CN111827915B (en) | 2020-09-08 | 2020-09-08 | Oil development well head back pressure control device |
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| CN115012841B (en) * | 2022-06-29 | 2023-06-30 | 山东龙兴石油设备有限公司 | Back pressure control device for petroleum exploitation wellhead |
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| US3591204A (en) * | 1968-05-07 | 1971-07-06 | Fmc Corp | Underwater flow line connector system |
| US4820083A (en) * | 1987-10-28 | 1989-04-11 | Amoco Corporation | Flexible flowline connection to a subsea wellhead assembly |
| FR2712334B1 (en) * | 1993-11-10 | 1996-02-02 | Rambaud Pascal | Support post for stop barrier for drop-down blocks, with single anchorage. |
| CN2382748Y (en) * | 1999-05-14 | 2000-06-14 | 刘海涛 | Automatic gang vibrator |
| AT500957B1 (en) * | 2004-10-21 | 2008-02-15 | Karl Schaefer | DEVICE FOR SCREWING BARGED ELEMENTS |
| KR20110108589A (en) * | 2010-03-29 | 2011-10-06 | 우성자 | Shock absorber for ground anchor |
| CN104832122B (en) * | 2015-03-13 | 2017-08-29 | 美钻能源科技(上海)有限公司 | A kind of recyclable multi-stage expansion Convenient table of mud layer under water |
| GB201513132D0 (en) * | 2015-07-24 | 2015-09-09 | Gorevega Ltd | Support systems, apparatus and methods |
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| CN207526450U (en) * | 2017-10-29 | 2018-06-22 | 江苏腾龙石化机械有限公司 | A kind of protective device for thermal recovery well mouth |
| CN207863474U (en) * | 2017-12-13 | 2018-09-14 | 福建鸿生高科环保科技有限公司 | A kind of installation form structure for building |
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