CN111764857A - Petroleum wellhead assembly easy to assemble - Google Patents

Petroleum wellhead assembly easy to assemble Download PDF

Info

Publication number
CN111764857A
CN111764857A CN202010666672.1A CN202010666672A CN111764857A CN 111764857 A CN111764857 A CN 111764857A CN 202010666672 A CN202010666672 A CN 202010666672A CN 111764857 A CN111764857 A CN 111764857A
Authority
CN
China
Prior art keywords
oil pipe
wall
linkage
plate
fixedly connected
Prior art date
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.)
Granted
Application number
CN202010666672.1A
Other languages
Chinese (zh)
Other versions
CN111764857B (en
Inventor
管方龙
赵会涛
彭艳敏
谢彦甫
管庆先
童广岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Puyang Haihua Petroleum Machinery Co ltd
Original Assignee
Puyang Haihua Petroleum Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Puyang Haihua Petroleum Machinery Co ltd filed Critical Puyang Haihua Petroleum Machinery Co ltd
Priority to CN202010666672.1A priority Critical patent/CN111764857B/en
Publication of CN111764857A publication Critical patent/CN111764857A/en
Application granted granted Critical
Publication of CN111764857B publication Critical patent/CN111764857B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof

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)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses an oil wellhead device convenient to install, which relates to the technical field of oil pipe connection and comprises a connecting mechanism for connecting an oil pipe I and an oil pipe II, wherein the outer wall of the oil pipe I is fixedly connected with two connecting cylinders I, the connecting mechanism comprises two connecting cylinders II, the outer wall of the oil pipe I is provided with two linkage mechanisms, the outer walls of the two connecting cylinders II are respectively provided with an arc plate, the oil pipe II is sleeved with the oil pipe I, so that the connecting cylinders I press the arc plates and pass through the linkage mechanisms, the two sides of the connecting cylinders are enabled to translate towards the connecting cylinders I, and rotate, the oil pipe I and the oil pipe II are fixed, and the connecting cylinders II are aligned and attached to the connecting cylinders I. Through the matching of the structures, the self-aligning and tight-fitting effects of the first connecting cylinder and the second connecting cylinder can be realized by utilizing the self weight of the oil pipe II; secondly, preliminarily fixing the connection between the first oil pipe and the second oil pipe; and thirdly, sealing the joint between the first oil pipe and the second oil pipe.

Description

Petroleum wellhead assembly easy to assemble
Technical Field
The invention relates to the technical field of oil pipe connection, in particular to an oil wellhead device convenient to install.
Background
The wellhead equipment is composed of pipe head and blowout preventer stack, etc. and is used for controlling pressure and direction of gas and liquid fluids, including oil production tree, etc. the wellhead equipment is installed in the well head for petroleum and natural gas drilling, and is a device for hanging casing pipe and oil pipe and sealing oil pipe, casing pipe and annular space of every layer of casing pipe, and is generally composed of casing head, oil pipe head and blowout preventer stack.
The petroleum wellhead device convenient to disassemble and assemble as disclosed in Chinese patent CN201910171716.0 is disclosed as follows: 20190531, including connecting the chassis, a mounting bracket, installation mechanism, the connecting cylinder, link and top link, mounting bracket fixed connection is on connecting the chassis, install installation mechanism on the mounting bracket, the link passes through installation mechanism and installs on the mounting bracket, equal fixedly connected with connecting cylinder around installation mechanism, the equal fixed connection in inboard of two connecting cylinders is on the mounting bracket, two connecting cylinders all communicate with the mounting bracket, top link fixed connection is on the link, on the equal fixed connection top link in the left and right sides of installation mechanism, can accomplish two connecting cylinders location on the mounting bracket simultaneously through the installation handle that sets up on the rotation installation mechanism, the link is fixed on the mounting bracket and two top connecting cylinders II location on two top connecting cylinders I, realize high-efficient installation and dismantlement.
However, in the above scheme, the handle needs to be installed through continuous rotation, so that the position positioning of the two connecting cylinders can be realized, and the operation is troublesome.
Disclosure of Invention
The invention aims to provide an oil wellhead device convenient to mount, which has the advantages that the self-aligning and tight-fitting effects of a first connecting cylinder and a second connecting cylinder can be realized by utilizing the self weight of an oil pipe II; secondly, preliminarily fixing the connection between the first oil pipe and the second oil pipe; and thirdly, the sealing effect of the joint between the first oil pipe and the second oil pipe is achieved, and the technical problem in the background technology is solved.
In order to achieve the purpose, the invention provides the following technical scheme: the oil well head device convenient for installation comprises a connecting mechanism for connecting an oil pipe I and an oil pipe II, wherein two connecting cylinders I are fixedly connected to the outer wall of the oil pipe II, the two connecting cylinders I are symmetrically arranged, and holes are formed in the corresponding positions of the oil pipe II and the connecting cylinders I.
The connecting mechanism comprises two connecting cylinders II, the outer wall of the oil pipe I is provided with two linkage mechanisms, and the outer walls of the two connecting cylinders II are provided with arc plates;
the first oil pipe is sleeved with the first oil pipe, so that the first connecting cylinder abuts against the arc plate and enables the two sides of the first connecting cylinder to translate towards the first connecting cylinder and rotate through the linkage mechanism, the first oil pipe and the second oil pipe are fixed, and the second connecting cylinder is aligned and attached to the first connecting cylinder.
Preferably, the link gear includes fixed connection and is in the gag lever post of an oil pipe outer wall, the tip fixedly connected with fixed plate of gag lever post, the outer wall of fixed plate articulates there are two linkage arms, two the tip of linkage arm articulates jointly has the linkage board, the outer wall fixedly connected with backup pad of linkage board, two rotations of connecting cylinder are connected the siding of backup pad, the outer wall of oil pipe one still fixedly connected with rack plate, the outer wall fixedly connected with of connecting cylinder two with rack plate meshed spur gear, the lever arm of gag lever post is provided with the confession the canceling release mechanical system that the linkage board resets.
The fixed plate, the two linkage arms and the linkage plate form a parallelogram.
Preferably, the reset mechanism comprises a sleeve block sleeved on the limiting rod arm, a reset arm is hinged to the outer wall of the sleeve block, the end of the reset arm is hinged to any one of the linkage arms, a spring is sleeved on the rod arm of the limiting rod, and two ends of the spring are fixedly connected with the opposite sides between the sleeve block and the fixing plate respectively.
Preferably, the lower end surface of the oil pipe II is provided with a slot for the oil pipe I to insert, the oil pipe I is provided with a sealing mechanism for sealing the slot, and the sealing mechanism is connected with the sleeve block.
Preferably, the sealing mechanism comprises a lifting arm hinged to the outer wall of the sleeve block, the end of the lifting arm is hinged to a sleeve ring, the sleeve ring is sleeved on the outer wall of the first oil pipe, and the upper end face of the sleeve ring is fixedly connected with a sealing ring which can be inserted into the slot groove.
Preferably, the shape of the slot is a circular truncated cone, and the shape of the sealing ring is also a circular truncated cone.
Compared with the prior art, the invention has the following beneficial effects:
in the process of lowering the oil pipe II, the two arc plates are pressed downwards by utilizing the dead weight of the oil pipe II, so that the two connecting cylinders II are translated towards the direction of the connecting cylinders opposite to the connecting cylinders, and finally the state shown in the figure 4 is achieved, at the moment, the connecting cylinders II in the figure 4 are aligned and tightly attached to the connecting cylinders I, the effect of self-aligning and tightly attaching of the two groups of connecting cylinders can be achieved by utilizing the dead weight of the oil pipe II, the connecting cylinders II and the connecting cylinders I can be further fixed through bolts, and meanwhile, the butt joint of the connecting cylinders I on the oil pipe II and the connecting cylinders II is also achieved.
In the process of placing the oil pipe II downwards, the connecting cylinder II is enabled to rotate in the translation process through the downward oblique translation of the connecting cylinder II, and then the arc plate is driven to rotate and reach the state shown in figure 5, so that the inner arc surface of the arc plate is abutted against the side part of the connecting cylinder I, the upward movement of the connecting cylinder I is limited, the purpose of utilizing the dead weight of the oil pipe II is achieved, and the primary fixing of the connection between the oil pipe I and the oil pipe II can be realized.
In the process of lowering the oil pipe II, the linkage arm rotates towards the oil pipe, then the sleeve ring is driven to move upwards along the outer wall of the oil pipe I through the reset arm, the sleeve block and the lifting arm, the sleeve ring is driven to move upwards through the sleeve ring, the sealing ring is driven to move upwards, and therefore the sealing ring can be abutted into the slot by matching with the downward movement of the oil pipe II, and the effect of sealing the joint between the oil pipe I and the oil pipe II can be achieved by utilizing the self weight of the oil pipe II.
According to the invention, the shape of the slot is a circular truncated cone, the shape of the sealing ring is also a circular truncated cone, the sealing ring can be made of rubber, and then, as shown in fig. 4, under the combined action of a vertical upward thrust and a vertical downward pressure on the sealing ring in fig. 4, mutual resisting pressure can be generated between the outer side surface of the sealing ring and the inner side surface of the slot, so that the sealing property of the joint between the first oil pipe and the second oil pipe can be further improved by utilizing the elastic restorability of the sealing ring.
Drawings
FIG. 1 is a first state view of the structure of the first oil pipe, the second oil pipe, the sleeve ring and the sealing ring of the present invention after being cut away and taken as a front view;
FIG. 2 is a second state diagram of the structure of the present invention;
FIG. 3 is a side view of a first connecting cylinder and a circular arc plate structure corresponding to the state shown in FIG. 2;
FIG. 4 is a third state diagram of the structure of the present invention;
fig. 5 is a side view of the first connector barrel and circular arc plate configuration of the present invention corresponding to the condition shown in fig. 4.
In the figure: 1-oil pipe I, 2-oil pipe II, 3-connecting cylinder I, 4-connecting cylinder II, 5-arc plate, 6-limiting rod, 7-fixing plate, 8-linkage arm, 9-linkage plate, 10-supporting plate, 11-rack plate, 12-straight tooth cylinder, 13-sleeve block, 14-reset arm, 15-spring, 16-slot, 17-lifting arm, 18-sleeve ring and 19-sealing ring.
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 to 5, the present invention provides a technical solution: an oil wellhead device convenient to install comprises a connecting mechanism for connecting an oil pipe I1 and an oil pipe II 2, wherein the outer wall of the oil pipe II 2 is fixedly connected with two connecting cylinders I3, the two connecting cylinders I3 are symmetrically arranged, and holes are formed in the positions, corresponding to the connecting cylinders I3, of the oil pipe II 2;
the connecting mechanism comprises two connecting cylinders II 4, the outer wall of the oil pipe I1 is provided with two linkage mechanisms, the outer walls of the two connecting cylinders II 4 are provided with arc plates 5, the oil pipe I1 is sleeved through the oil pipe II 2, the connecting cylinders I3 are enabled to press the arc plates 5 and pass through the linkage mechanisms, the connecting cylinders II 4 are enabled to rotate in the direction of the connecting cylinders I3 in a translation mode, the oil pipe I1 and the oil pipe II 2 are fixed, and the connecting cylinders II 4 are aligned and attached to the connecting cylinders I3.
Further, in order to ensure that the connecting cylinder II 4 can translate and rotate along the direction of the connecting cylinder I3 in the process of sleeving the oil pipe I1 on the oil pipe II 2, the linkage mechanism comprises the following components, the linkage mechanism comprises a limiting rod 6 fixedly connected to the outer wall of the oil pipe I1, the end part of the limiting rod 6 is fixedly connected with a fixed plate 7, the outer wall of the fixed plate 7 is hinged with two linkage arms 8, the end parts of the two linkage arms 8 are hinged with a linkage plate 9 together, the outer wall of the linkage plate 9 is fixedly connected with a supporting plate 10, the connecting cylinder II 4 is rotatably connected to the plate wall of the supporting plate 10, the outer wall of the oil pipe I1 is also fixedly connected with a rack plate 11, the outer wall of the connecting cylinder II 4 is fixedly connected with a straight-tooth cylinder 12 meshed with the rack plate 11, the lever arm of the limiting rod 6 is provided with a resetting mechanism for resetting the linkage plate 9, by lowering the oil pipe II 2, the two arc plates 5 are pressed downwards by utilizing the dead weight of the oil pipe II 2, the two connecting cylinders II 4 are enabled to translate towards the connecting cylinder I3 opposite to the connecting cylinder II through the supporting plate 10 and the linkage arm 8, and finally the state shown in the figure 4 is achieved, so that the oil pipe II 2 can be loosened, the connecting cylinders II 4 in the figure 4 are aligned and tightly attached to the connecting cylinders I3, the effect of self-alignment and tight attachment of the two groups of connecting cylinders can be achieved by utilizing the dead weight of the oil pipe II 2, and the connecting cylinders II 4 and the connecting cylinders I3 can be further fixed through bolts;
above-mentioned in-process is because connecting cylinder two 4 is the translation down of slant, then through the meshing relation between straight-tooth cylinder 12 and the rack plate 11, make connecting cylinder two 4 at the translation in-process, rotate through connecting cylinder two 4, drive circular arc board 5 and rotate and to the state shown in figure 5, thereby pass through circular arc surface butt in the lateral part of connecting cylinder one 3 in circular arc board 5 this moment, and then restricted connecting cylinder one 3 and moved up, reached the dead weight that utilizes oil pipe two 2, can realize the preliminary fixed of being connected between oil pipe one 1 and oil pipe two 2.
Further, in order to provide a reset force for resetting the linkage plate 9, the reset mechanism specifically comprises the following components, the reset mechanism comprises a sleeve block 13 sleeved on a lever arm of the limiting rod 6, a reset arm 14 is hinged to the outer wall of the sleeve block 13, the end part of the reset arm 14 is hinged to any linkage arm 8, a spring 15 is sleeved on the lever arm of the limiting rod 6, two end parts of the spring 15 are fixedly connected with the opposite sides between the sleeve block 13 and the fixing plate 7 respectively, the sleeve block 13 can keep the state shown in fig. 1 under the action of no external force of the arc plate 5 through the elastic force provided by the spring 15, and then the linkage plate 9 can also keep the state shown in fig. 1 through the reset arm 14.
Furthermore, the lower end face of the oil pipe II 2 is provided with a slot 16 into which the oil supply pipe I1 is inserted, the oil pipe I1 is provided with a sealing mechanism for sealing the slot 16, and the sealing mechanism is connected with the sleeve block 13.
Further, in order to improve the sealing performance of the joint between the first oil pipe 1 and the second oil pipe 2, the sealing mechanism comprises a lifting arm 17 hinged on the outer wall of the sleeve block 13, the end part of the lifting arm 17 is hinged with a sleeve ring 18, the sleeve ring 18 is sleeved on the outer wall of the first oil pipe 1, the upper end surface of the sleeve ring 18 is fixedly connected with a sealing ring 19 capable of being inserted into the slot 16, in the process, as the linkage arm 8 rotates towards the first oil pipe 1 and then passes through the reset arm 14, the sleeve block 13 is driven to move towards the first oil pipe 1 along the lever arm of the limiting rod 6, the sleeve block 13 moves towards the oil pipe 1 and drives the sleeve ring 18 to move upwards along the outer wall of the oil pipe 1 through the lifting arm 17, the lantern ring 18 moves upwards to drive the sealing ring 19 to move upwards, so that the second oil pipe 2 moves downwards in a matching manner, the sealing ring 19 is abutted into the slot 16, and the effect of sealing the joint between the first oil pipe 1 and the second oil pipe 2 by using the self weight of the second oil pipe 2 is achieved.
Further, in order to further improve the sealing performance of the joint between the first oil pipe 1 and the second oil pipe 2, the shape of the slot 16 is circular truncated cone, the shape of the sealing ring 19 is also circular truncated cone, the sealing ring 19 can be made of rubber, and then, as shown in fig. 4, under the combined action of a vertical upward thrust and a vertical downward pressure on the sealing ring 19 in fig. 4, the outer side surface of the sealing ring 19 and the inner side surface of the slot 16 can generate mutual abutting pressure, so that the sealing performance of the joint between the first oil pipe 1 and the second oil pipe 2 can be further improved by utilizing the elastic restorability of the sealing ring 19.
The working principle is as follows: when the oil pipe head device convenient to install is used for connecting an oil pipe 1 and an oil pipe 2, firstly, a notch of a slot 16 is aligned with the upper end wall of the oil pipe 1 and is in a state shown in a figure 1, then the oil pipe 2 is slowly lowered and is in a state shown in a figure 2, at the moment, as shown in a figure 3, the lower part of a connecting cylinder 3 is abutted to the inner arc surface of an arc plate 5, then the oil pipe 2 is lowered continuously, so that the two arc plates 5 are pressed downwards by utilizing the self weight of the oil pipe 2 and are horizontally moved towards a first connecting cylinder 3 opposite to the two connecting cylinders through a supporting plate 10 and a linkage arm 8, and finally, the oil pipe 2 can be loosened, at the moment, the second connecting cylinders 4 in the figure 4 are aligned and tightly attached to the first connecting cylinders 3, the self-aligning and tightly attaching effects of the two connecting cylinders can be realized by utilizing the self weight of the oil pipe 2, so as to further fix the connecting cylinder II 4 and the connecting cylinder I3 through bolts;
in the process, the connecting cylinder II 4 is obliquely translated downwards, and then the connecting cylinder II 4 rotates in the translation process through the meshing relationship between the straight-tooth cylinder 12 and the rack plate 11, the arc plate 5 is driven to rotate and reach the state shown in figure 5 through the rotation of the connecting cylinder II 4, so that the arc surface in the arc plate 5 is abutted against the side part of the connecting cylinder I3, the upward movement of the connecting cylinder I3 is limited, the self weight of the oil pipe II 2 is utilized, and the primary fixing of the connection between the oil pipe I1 and the oil pipe II 2 can be realized;
in the process, the linkage arm 8 rotates towards the first oil pipe 1, then the sleeve block 13 is driven to move towards the first oil pipe 1 along the lever arm of the limiting rod 6 through the reset arm 14, the sleeve block 13 moves towards the first oil pipe 1 and moves towards the first oil pipe 1 through the sleeve block 13, the sleeve ring 18 is driven to move upwards along the outer wall of the first oil pipe 1 and moves upwards through the sleeve ring 18, the sealing ring 19 is driven to move upwards, the sealing ring 19 moves downwards in a matching mode, the sealing ring 19 can be abutted into the slot 16, the dead weight of the second oil pipe 2 is utilized, and the effect of sealing the joint between the first oil pipe 1 and the second oil pipe 2 can be achieved.
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 (6)

1. The utility model provides an oil wellhead assembly easy to assemble, is including being used for the coupling mechanism that oil pipe one (1) and oil pipe two (2) are connected which characterized in that: the outer wall of the oil pipe II (2) is fixedly connected with two connecting cylinders I (3), the two connecting cylinders I (3) are symmetrically arranged, and holes are formed in the corresponding positions of the oil pipe II (2) and the connecting cylinders I (3);
the connecting mechanism comprises two connecting cylinders II (4), the outer wall of the oil pipe I (1) is provided with two linkage mechanisms, and the outer walls of the two connecting cylinders II (4) are provided with arc plates (5);
the first oil pipe (1) is sleeved through the second oil pipe (2), so that the first connecting cylinder (3) is abutted against the arc plate (5) and is enabled to translate and rotate along the direction of the first connecting cylinder (3) while the second connecting cylinder (4) is enabled to rotate through a linkage mechanism, the first oil pipe (1) and the second oil pipe (2) are fixed, and the second connecting cylinder (4) is aligned and attached to the first connecting cylinder (3).
2. An easy to install petroleum wellhead as claimed in claim 1 in which: the linkage mechanism comprises a limiting rod (6) fixedly connected to the outer wall of the oil pipe I (1), the end part of the limiting rod (6) is fixedly connected with a fixing plate (7), the outer wall of the fixing plate (7) is hinged with two linkage arms (8), the end parts of the two linkage arms (8) are hinged with a linkage plate (9) together, the outer wall of the linkage plate (9) is fixedly connected with a supporting plate (10), the connecting cylinder II (4) is rotatably connected to the plate wall of the supporting plate (10), the outer wall of the oil pipe I (1) is also fixedly connected with a rack plate (11), the outer wall of the connecting cylinder II (4) is fixedly connected with a straight tooth cylinder (12) meshed with the rack plate (11), and a lever arm of the limiting rod (6) is provided with a reset mechanism for resetting the linkage plate (9);
the fixed plate (7), the two linkage arms (8) and the linkage plate (9) form a parallelogram.
3. An easy to install petroleum wellhead as claimed in claim 2 in which: the reset mechanism comprises a sleeve block (13) sleeved on a lever arm of the limiting rod (6), a reset arm (14) is hinged to the outer wall of the sleeve block (13), the end portion of the reset arm (14) is hinged to any linkage arm (8), a spring (15) is sleeved on the lever arm of the limiting rod (6), and two end portions of the spring (15) are fixedly connected with the sleeve block (13) and the opposite side between the fixing plates (7) respectively.
4. An easy to install petroleum wellhead as claimed in claim 3 in which: the lower end face of the oil pipe II (2) is provided with a slot (16) for the oil pipe I (1) to be inserted into, a sealing mechanism for sealing the slot (16) is arranged on the oil pipe I (1), and the sealing mechanism is connected with the sleeve block (13).
5. An easy to install petroleum wellhead as claimed in claim 4 in which: the sealing mechanism comprises a lifting arm (17) hinged to the outer wall of the sleeve block (13), a sleeve ring (18) is hinged to the end portion of the lifting arm (17), the sleeve ring (18) is sleeved on the outer wall of the first oil pipe (1), and a sealing ring (19) which can be inserted into the groove of the inserting groove (16) is fixedly connected to the upper end face of the sleeve ring (18).
6. An easy to install petroleum wellhead as claimed in claim 5 in which: the shape of the inserting groove (16) is a circular truncated cone shape, and the shape of the sealing ring (19) is also a circular truncated cone shape.
CN202010666672.1A 2020-07-13 2020-07-13 Petroleum wellhead assembly easy to assemble Active CN111764857B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010666672.1A CN111764857B (en) 2020-07-13 2020-07-13 Petroleum wellhead assembly easy to assemble

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010666672.1A CN111764857B (en) 2020-07-13 2020-07-13 Petroleum wellhead assembly easy to assemble

Publications (2)

Publication Number Publication Date
CN111764857A true CN111764857A (en) 2020-10-13
CN111764857B CN111764857B (en) 2022-08-23

Family

ID=72725054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010666672.1A Active CN111764857B (en) 2020-07-13 2020-07-13 Petroleum wellhead assembly easy to assemble

Country Status (1)

Country Link
CN (1) CN111764857B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356771A (en) * 2021-08-10 2021-09-07 山东旭能石油装备有限责任公司 Traveling slip with lifting and pressurizing rotation functions
CN117365358A (en) * 2023-12-04 2024-01-09 江苏省金峰石油机械制造有限公司 Workover zone pressure operation device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130199801A1 (en) * 2012-02-03 2013-08-08 National Oilwell Varco, L.P. Wellhead connector and method of using same
CN107529582A (en) * 2017-09-29 2018-01-02 杰瑞能源服务有限公司 A kind of well head hydraulic quick connecting device and construction technology
CN109826585A (en) * 2019-03-07 2019-05-31 江苏腾龙石化机械有限公司 A kind of oil well head device of easy disassembly
CN109915056A (en) * 2019-03-07 2019-06-21 江苏腾龙石化机械有限公司 A kind of oil well head device of antiseep
CN209324305U (en) * 2019-01-10 2019-08-30 王伟 A kind of oil exploitation wellhead assembly
CN111395988A (en) * 2020-03-18 2020-07-10 江苏苏盐阀门机械有限公司 Detachable wellhead device for oil field

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130199801A1 (en) * 2012-02-03 2013-08-08 National Oilwell Varco, L.P. Wellhead connector and method of using same
CN107529582A (en) * 2017-09-29 2018-01-02 杰瑞能源服务有限公司 A kind of well head hydraulic quick connecting device and construction technology
CN209324305U (en) * 2019-01-10 2019-08-30 王伟 A kind of oil exploitation wellhead assembly
CN109826585A (en) * 2019-03-07 2019-05-31 江苏腾龙石化机械有限公司 A kind of oil well head device of easy disassembly
CN109915056A (en) * 2019-03-07 2019-06-21 江苏腾龙石化机械有限公司 A kind of oil well head device of antiseep
CN111395988A (en) * 2020-03-18 2020-07-10 江苏苏盐阀门机械有限公司 Detachable wellhead device for oil field

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356771A (en) * 2021-08-10 2021-09-07 山东旭能石油装备有限责任公司 Traveling slip with lifting and pressurizing rotation functions
CN117365358A (en) * 2023-12-04 2024-01-09 江苏省金峰石油机械制造有限公司 Workover zone pressure operation device
CN117365358B (en) * 2023-12-04 2024-02-27 江苏省金峰石油机械制造有限公司 Workover zone pressure operation device

Also Published As

Publication number Publication date
CN111764857B (en) 2022-08-23

Similar Documents

Publication Publication Date Title
CN111764857B (en) Petroleum wellhead assembly easy to assemble
CN201778687U (en) Workover rig under pressure for wellhead
KR20150099608A (en) Concrete pump with distributing boom
CN115284217B (en) Butt joint device for gas pipeline
CN111023027A (en) Lifting type foldable solar LED street lamp
CN209115067U (en) A kind of plunger catcher
CN201078187Y (en) Hanging ring inclined apparatus of drill top drive tension rod type
CN201522482U (en) Target board device for steam blowing pipe
CN210685884U (en) Wane formula promotes ring, connecting device and positioner
CN204984293U (en) Prevent meeting and hinder ware
CN113137177A (en) Low hole site gallery rig
CN210105820U (en) Remote quick connecting device for drilling tool check valve and oil pipe plug valve for drilling and repairing well
CN209663622U (en) A kind of dope application device with drilling rod auxiliary make-up function
CN112775489B (en) Submerged small-angle inclined anchor rod cutting device
CN219412500U (en) Mechanical operation system of oil-water well
CN215025577U (en) Fire engine big gun platform support
RU2190751C2 (en) Gear to guide blowout preventer equipment on mouth of gusher
CN216741416U (en) Quick plug valve mounting device for oil field workover treatment and workover treatment equipment
CN201598988U (en) Wellhead upper-portion adjusting mechanism used for reassembling oil-gas wellheads
CN220869351U (en) Drill rod rush-connection assembly
CN218992141U (en) Crane shaft sleeve convenient to disassemble
CN221664676U (en) Petroleum workover robot big arm device
CN213419069U (en) Safety well control device for dismounting hydraulic workover rig
CN221121232U (en) Municipal administration underground pipe gallery pipeline mounting structure
CN213574147U (en) Telescopic hydraulic type forepoling of coal face

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant