CN205172504U - Oil gas well well head anti -theft device - Google Patents

Oil gas well well head anti -theft device Download PDF

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Publication number
CN205172504U
CN205172504U CN201520819034.3U CN201520819034U CN205172504U CN 205172504 U CN205172504 U CN 205172504U CN 201520819034 U CN201520819034 U CN 201520819034U CN 205172504 U CN205172504 U CN 205172504U
Authority
CN
China
Prior art keywords
urceolus
theft
screw mandrel
handed
plug
Prior art date
Application number
CN201520819034.3U
Other languages
Chinese (zh)
Inventor
倪效国
杜远宗
张辉
刘磊
柴英志
张志闯
赵良君
Original Assignee
中国石油化工股份有限公司
中国石油化工股份有限公司中原油田分公司天然气产销厂
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 中国石油化工股份有限公司, 中国石油化工股份有限公司中原油田分公司天然气产销厂 filed Critical 中国石油化工股份有限公司
Priority to CN201520819034.3U priority Critical patent/CN205172504U/en
Application granted granted Critical
Publication of CN205172504U publication Critical patent/CN205172504U/en

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Abstract

The utility model relates to an oil gas well well head anti -theft device belongs to oil mechanical tool technical field. The utility model discloses comprise levogyration plug, a theftproof section of thick bamboo, dismouting spanner, the body of levogyration plug is the echelonment, and body upper portion step is equipped with left -handed screw, and the lower part step is equipped with the right -handed thread, and it has the central through hole to open on the body, installs the single current valve in the through -hole, and it has the draw -in groove to open on the body up end, a theftproof section of thick bamboo comprises inner tube, urceolus, and the difference in height between urceolus and the inner tube is well head flange boss's height, and the annular space intussuseption between urceolus and the inner tube is filled with the steel wire, and it has the wash port to open on the pipe wall of the corresponding urceolus in inner tube bottom, the dismouting spanner comprises lead screw and urceolus, and the lead screw passes through the fixed block with the urceolus to be connected, installs the locating piece on the inside lead screw of urceolus, installs the clamping block on the outside lead screw of urceolus.

Description

A kind of Oil/gas Well Anti-theft device for wall head

technical field:

The utility model relates to a kind of Oil/gas Well Anti-theft device for wall head, belongs to petroleum machinery technical field of tools.

background technology:

Oil field is field production of hydrocarbons unit, and external environment condition is comparatively complicated, often suffers lawless person to steal oil gas from well head, have impact on production, causes larger economic loss and environment pollution to oil field.Anti-theft device for wall head adopts the combining form of outside Anti-theft cap and inner six side's plugs usually; The patent No. 200920163882.8 discloses a kind of gas well mouth alarm and the patent No. 200420099270.4 discloses the combining form that a kind of oil field wellhead theftproof device is all the inner plug of outside Anti-theft cap, this kind of anti-theft device effectively can solve inner plug and take out problem, but Anti-theft cap is still easily destroyed.

summary of the invention:

The utility model is in order to overcome existing theft-proof borehole sealing destructible, and the easily detachable defect of plug, provides a kind of Oil/gas Well Anti-theft device for wall head.

The utility model is made up of left-handed plug, antitheft cylinder, wrench for dismounting, and the body of left-handed plug is stepped, and body upper part step is provided with left hand thread, lower step is provided with right-handed thread, body has central through hole, is provided with ball-and-seat in through hole, upper surface has draw-in groove to body; Antitheft cylinder is made up of inner core, urceolus, and the difference in height between urceolus and inner core is the height of wellhead flange boss, is filled with steel wire in the annular space between urceolus and inner core, bottom inner core corresponding urceolus tube wall on have drain hole; Wrench for dismounting is made up of screw mandrel and urceolus, and screw mandrel is connected by fixed block with urceolus, and locating piece installed by outer barrel screw mandrel, and clamping block installed by the outside screw mandrel of urceolus.

The beneficial effects of the utility model are: effectively prevent the generation that well head is destroyed phenomenon, control petroleum resources loss, decrease environment pollution.

accompanying drawing illustrates:

Accompanying drawing 1 is the utility model structure and scheme of installation;

Accompanying drawing 2 is top views of plug 2 in the utility model;

Accompanying drawing 3 is plug 2 structural representations in the utility model;

Accompanying drawing 4 is antitheft cylinder 3 structural representations in the utility model;

Wherein: 1. wellhead flange, 2. left-handed plug, 3. antitheft cylinder, 4. wrench for dismounting, 5. screw mandrel, 6. urceolus, 7. locating piece, 8. fixed block, 9. clamping block, 10. pad, 11. swing arms, 12. adjustment blocks, 21. ball-and-seats, 22. draw-in grooves, 23. left hand threads, 31. inner cores, 32. urceolus, the fillers such as 33. steel wires, 34. drain holes.

detailed description of the invention:

Below in conjunction with accompanying drawing, the utility model is further described.

From accompanying drawing 1,2,3,4, the utility model is made up of left-handed plug 2, antitheft cylinder 3, wrench for dismounting 4, the body of left-handed plug 2 is stepped, body upper part step is provided with left hand thread 23, lower step is provided with right-handed thread, body has central through hole, ball-and-seat 21 is installed in through hole, body upper surface has draw-in groove 22; Antitheft cylinder 3 is made up of inner core 31, urceolus 32, difference in height between urceolus 32 and inner core 31 is the height of wellhead flange 1 boss, be filled with steel wire 33 in annular space between urceolus 32 and inner core 31, bottom inner core 31 corresponding urceolus 32 tube wall on have drain hole 34; Wrench for dismounting 4 is made up of screw mandrel 5 and urceolus 6, and screw mandrel 5 is connected by fixed block 8 with urceolus 6, and locating piece 7 installed by the inner screw mandrel 5 of urceolus 6, and clamping block 9 installed by the outside screw mandrel 5 of urceolus 6.

Be spade bottom described screw mandrel 5, top mounting and adjusting block 12.

Be left-handed internal thread sleeve bottom described urceolus 6, urceolus 6 top 1/4 urceolus 6 At The Height arranges locating piece 7 opening, and fixed block 8 is provided with can folding and unfolding swing arm 11, and fixed block 8 is provided with pad 10.

When the utility model uses, the left-handed dismantling spanner 4 of dismounting plug 2; The left-handed dismantling spanner 4 of plug 2 is installed, adjustment block 12 adjusts screw mandrel 5 position, make bottom screw mandrel 5, to block plug 2 upper surface draw-in groove 22, locating piece 7 determines screw mandrel 5 and urceolus 6 position, clamping block 9 is tightened on fixed block 8 simultaneously, and locating piece 7 and clamping block 9 rotate swing arm 11 after screw mandrel 5 and urceolus 6 are fixed with plug 2 can reach the object of installing plug 2.The utility model effectively prevent the generation that well head is destroyed phenomenon, controls petroleum resources loss, decreases environment pollution.

Claims (3)

1. an Oil/gas Well Anti-theft device for wall head, be made up of left-handed plug, antitheft cylinder, wrench for dismounting, it is characterized in that: the body of left-handed plug is stepped, body upper part step is provided with left hand thread, lower step is provided with right-handed thread, body has central through hole, is provided with ball-and-seat in through hole, upper surface has draw-in groove to body; Antitheft cylinder is made up of inner core, urceolus, and the difference in height between urceolus and inner core is the height of wellhead flange boss, is filled with steel wire in the annular space between urceolus and inner core, bottom inner core corresponding urceolus tube wall on have drain hole; Wrench for dismounting is made up of screw mandrel and urceolus, and screw mandrel is connected by fixed block with urceolus, and locating piece installed by outer barrel screw mandrel, and clamping block installed by the outside screw mandrel of urceolus.
2. a kind of Oil/gas Well Anti-theft device for wall head according to claim 1, is characterized in that: be spade bottom described screw mandrel, top mounting and adjusting block.
3. a kind of Oil/gas Well Anti-theft device for wall head according to claim 1, it is characterized in that: be left-handed internal thread sleeve bottom described urceolus, urceolus top 1/4 urceolus At The Height arranges locating piece opening, and fixed block is provided with can folding and unfolding swing arm, and fixed block is provided with pad.
CN201520819034.3U 2015-10-22 2015-10-22 Oil gas well well head anti -theft device CN205172504U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520819034.3U CN205172504U (en) 2015-10-22 2015-10-22 Oil gas well well head anti -theft device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520819034.3U CN205172504U (en) 2015-10-22 2015-10-22 Oil gas well well head anti -theft device

Publications (1)

Publication Number Publication Date
CN205172504U true CN205172504U (en) 2016-04-20

Family

ID=55736507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520819034.3U CN205172504U (en) 2015-10-22 2015-10-22 Oil gas well well head anti -theft device

Country Status (1)

Country Link
CN (1) CN205172504U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937379A (en) * 2016-06-12 2016-09-14 张家港市山牧新材料技术开发有限公司 Anti-theft well cover device for oil well opening
CN106351610A (en) * 2016-09-30 2017-01-25 盘锦禹帝科技实业有限公司 Well mouth protection device and special tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937379A (en) * 2016-06-12 2016-09-14 张家港市山牧新材料技术开发有限公司 Anti-theft well cover device for oil well opening
CN105937379B (en) * 2016-06-12 2018-08-28 张家港市山牧新材料技术开发有限公司 A kind of oil well mouth safety manhole cover
CN106351610A (en) * 2016-09-30 2017-01-25 盘锦禹帝科技实业有限公司 Well mouth protection device and special tool
CN106351610B (en) * 2016-09-30 2018-10-30 盘锦禹帝科技实业有限公司 Well mouth protector and specific purpose tool

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