CN1458385A - Live pipeline valve replacer - Google Patents

Live pipeline valve replacer Download PDF

Info

Publication number
CN1458385A
CN1458385A CN 03128703 CN03128703A CN1458385A CN 1458385 A CN1458385 A CN 1458385A CN 03128703 CN03128703 CN 03128703 CN 03128703 A CN03128703 A CN 03128703A CN 1458385 A CN1458385 A CN 1458385A
Authority
CN
China
Prior art keywords
valve
pipeline valve
clip
thimble
bracing frame
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
CN 03128703
Other languages
Chinese (zh)
Other versions
CN1261668C (en
Inventor
于忠德
白海燕
潭江川
朱波
王建伟
施红伟
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.)
Daqing Oilfield Co Ltd
Original Assignee
Daqing Oilfield 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 Daqing Oilfield Co Ltd filed Critical Daqing Oilfield Co Ltd
Priority to CN 03128703 priority Critical patent/CN1261668C/en
Publication of CN1458385A publication Critical patent/CN1458385A/en
Application granted granted Critical
Publication of CN1261668C publication Critical patent/CN1261668C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Valve Housings (AREA)
  • Safety Valves (AREA)

Abstract

The live pipeline valve replacer consists of pressure gage set on the outer wall of collar clamp with exhaust hole and capable of being clamped onto valve; casing and support with moving head and boss set between the collar clamp and the nose spike, pressing ring, rubber tube, and retaining blocks with inner spring. The collar clamp, the casing, the support and the nose needle are separated hermetically. The present invention may be used in replacing control valve in well without environmental pollution and with low cost.

Description

Band pressure pipeline valve changer
Technical field:
The present invention relates to cellar control gate used in the oil recovery field, oil field and change instrument, especially be with pressure pipeline valve changer.
Background technology:
In oil recovery field, oil field, the frequent switch of cellar control gate, seal wear out, and valve often occurs and damage or leak, and must change valve; Can not replace with pressure when changing valve, must stop oil pumper and carry out kill job, give off the crude oil or the natural gas that retain in the well, the valve that damages is disassembled change new valve then; Substantial oil that retains in the pipeline or natural gas drain and cause energy waste, and crude oil that these are discharged from or natural gas can pollute environment; Kill job need be equipped with great amount of manpower and material resources, makes the maintenance cost height.
Summary of the invention:
Can not the replace with pressure valve when changing in order to overcome the producing well cellar control gate, contaminated environment and the high deficiency of maintenance cost, the invention provides a kind of band pressure pipeline valve changer, this band pressure pipeline valve changer can replace with pressure producing well cellar control gate, free from environmental pollution and characteristics that maintenance cost is low.
Technical scheme of the present invention is: this band pressure pipeline valve changer comprises pressure meter and thimble, one end of thimble is conical, pressure meter places and has plug hole and can be stuck in clip outer wall on the valve, between clip and thimble, be equipped with the bracing frame that a sleeve pipe and an end are connected with movable head and are with boss successively, sleeve pipe) and be equipped with pressure ring and packing element between the boss of bracing frame successively, the radial slot of movable head is built-in with the block card piece that can radially slide some built-in ring springs, sealing mutually between clip, sleeve pipe, bracing frame and the thimble.
Above-mentioned clip inwall is that stage shape and inwall two ends are threaded; The sleeve pipe at clip inwall stage place is equipped with packing, pressure ring and gland outward successively; Movable head blocks mutually with bracing frame and can rotate; The block card piece is 2; The block card piece is glanded cover mutually; All be equipped with sealing ring between bracing frame and sleeve pipe and the thimble.
The present invention has following beneficial effect: owing to take such scheme, when changing the producing well cellar control gate, pass and changed valve and enter packing element on the pipeline inner support frame and can seal up pressure crude oil or natural gas in the oil well, make and damage valve and can when the oil well band is pressed, change; Because crude oil or natural gas in the oil well can not leak out, thereby do not pollute the environment; Utilize this device to change the human and material resources that producing well cellar control gate need only be seldom, maintenance cost is low.
Description of drawings:
Accompanying drawing 1 is a structure sectional view of the present invention;
Accompanying drawing 2 is A-A structure sectional views of the present invention;
Accompanying drawing 3 is B-B structure sectional views of the present invention.
1-clip among the figure, 2-pressure meter, 3-plug hole, 4-thimble, 5-gland, 6-sleeve pipe, 7-bracing frame, 8-movable head, 9-block card piece, 10-packing element, 11-pressure ring, 12-packing, 13-pressure ring, 14-gland, 15-ring spring, 16-sealing ring.
The specific embodiment:
The invention will be further described below in conjunction with drawings and the specific embodiments:
As shown in FIG., this band pressure pipeline valve changer comprises pressure meter 2 and thimble 4, pressure meter 2 places clip 1 outer wall, clip 1 inwall is that stage shape and inwall two ends are threaded, the central duct of pressure meter 2 communicates with clip 1 inner chamber, the central duct sidewall has plug hole 3, and an end face of clip 1 can be stuck on the valve; At clip 1 inwall two ends by sleeve pipe 6 and the gland 5 of being threaded, be equipped with packing 12 and pressure ring 13 on the clip 1 intermediate light face stage and be glanded 5 and compress, sleeve pipe 6 is enclosed within bracing frame 7 outer walls and connects with it by screw thread, one end of bracing frame 7 band boss blocks mutually the movable head 8 that can rotate around it, and is passed by thimble 4 by screw thread in the middle of the bracing frame 7; Be equipped with pressure ring 11 and packing element 10 between the boss of sleeve pipe 6 and bracing frame 7 successively, sleeve pipe 6 contacts with pressure ring 11, and revoling tube 6 can push packing element 10 by pressure ring 11 and make it distortion, and then makes between the inwall of bracing frame 7 and pipeline and seal; Movable head 8 has radial slot and its radial slot is built-in with 2 block card pieces 9 that can radially slide, two block card piece 9 opposite faces are arc surface, the conical end of corresponding back center 4 can be inserted, block card piece 9 inboards along the circumferential direction have spring eye, spring eye is built-in with ring spring 15, thimble 4 withdraws from backstop fixture block 9 and can reset, and block card piece 9 is glanded 14 and covers mutually, and gland 14 is fixed on the movable head 8; All be equipped with sealing ring 16 between bracing frame 7 and sleeve pipe 6 and the thimble 4, avoid from the screw thread space between them, leaking with pressure fluid in the pressure pipeline or gas.
Embodiment 1:
Daqing oil field recovers the oil, and three of ten factories--No. 201 well mouth of oil well are 250 model well heads, the sleeve valve of well head needs to change because of frequent switch damaged on June 12nd, 2000, when changing the sleeve valve of this well, stop oil pumper running carrying out kill job earlier, opening sleeve valve emits the crude oil in the oil well, drain time 5 hours, unload the sleeve valve of damage after the crude oil discharging finishes and change the new casing valve, in this process, be total to 42 of lost times, 11.25 ten thousand yuan of accumulative total funds, Pai Fang crude oil has not only caused energy waste but also caused environment pollution simultaneously.On December 7th, 2002, the sleeve valve of this well damages again to be needed to change, stop the oil pumper running when changing sleeve valve earlier, utilize this band pressure pipeline valve changer, add the asbestos paper washer at the contact surface that is changed valve and clip 1, clip 1 is stuck in changed on the valve, close the outer switch of plug hole 3; Open fully and changed valve, pressure meter 2 shows force value, and rotating casing 6, bracing frame 7 and thimble 4 together enter the termination of this changer and changed in the band pressure pipeline that valve links; Fixing support rack 7 rotates thimble 4 separately the conical end of thimble 4 is entered in the relative space of two block card pieces 9, till continuing rotation thimble 4 and tightening to 9 expansions of block card piece and pipeline inwall; Fixing support rack 7, revoling tube 6 makes it promote pressure ring 11 extruding packing elements 10 separately, does not produce till the leakage until packing element 10 tightly seals with the pipeline inwall; Open the outer switches of plug hole 3 and make and changed the liquid or the gas that retain between valve and the sleeve pipe 6 and discharge, pull down clip 1 successively and changed valve, install new valve then, pull down this changer according to the opposite order of this changer installation; Utilize this band pressure pipeline valve changer to change and be total to 2 of lost times in the process of sleeve valve, 1.32 ten thousand yuan of accumulative total funds are not because the former oil mass of draining causes energy waste and environment pollution less.
Embodiment 2:
Daqing oil field recover the oil ten factories length--No. 54 well mouth of oil well are 250 model well heads, the sleeve valve of well head damaged May 21 calendar year 2001 to be needed to change, when changing this valve, stop oil pumper running carrying out kill job earlier, opening sleeve valve emits the crude oil in the oil well, drain time 4 hours 25 minutes, unload the sleeve valve of damage and change the new casing valve, in this process, be total to 35 of lost times, 9.86 ten thousand yuan of accumulative total funds, Pai Fang crude oil has not only caused energy waste but also caused environment pollution simultaneously.On March 14th, 2003, the sleeve valve of this well damages again to be needed to change, utilize this band pressure pipeline valve changer to change in the process of sleeve valve altogether 1.5 of lost times according to the installation of embodiment 1 and method for dismounting, 1.1 ten thousand yuan of accumulative total funds do not cause energy waste and environment pollution.
Embodiment 3:
Daqing oil field recovers the oil, and five of ten factories--No. 102 well mouth of oil well are 250 model well heads, the sleeve valve of well head damaged September 28 calendar year 2001 to be needed to change, when changing this valve, stop oil pumper running carrying out kill job earlier, opening sleeve valve emits the crude oil in the oil well, drain time 5 hours 40 minutes, unload the sleeve valve of damage and change the new casing valve, in this process, be total to 55 of lost times, 12.3 ten thousand yuan of accumulative total funds, Pai Fang crude oil has not only caused energy waste but also caused environment pollution simultaneously.On April 9th, 2003, the sleeve valve of this well damages again to be needed to change, utilize this band pressure pipeline valve changer to change in the process of sleeve valve altogether 2.5 of lost times according to the installation of embodiment 1 and method for dismounting, 1.44 ten thousand yuan of accumulative total funds do not cause energy waste and environment pollution.
This shows, utilize this band pressure pipeline valve changer under the situation of not release of oil well, to change valve, saved manpower and fund, can not cause energy waste and environment pollution, be worth of widely use.

Claims (7)

1, a kind of band pressure pipeline valve changer, comprise pressure meter (2) and thimble (4), one end of thimble (4) is conical, it is characterized in that: pressure meter (2) places and has plug hole (3) and can be stuck in clip (1) outer wall on the valve, between clip (1) and thimble (4), be equipped with the bracing frame (7) that a sleeve pipe (6) and an end are connected with movable head (8) and are with boss successively, be equipped with pressure ring (11) and packing element (10) between the boss of sleeve pipe (6) and bracing frame (7) successively, the radial slot of movable head (8) is built-in with the block card piece (9) that can radially slide some built-in ring springs (15), clip (1), sleeve pipe (6), sealing mutually between bracing frame (7) and the thimble (4).
2, band pressure pipeline valve changer according to claim 1 is characterized in that: clip (1) inwall is that stage shape and inwall two ends are threaded.
3, according to claim 1,2 described band pressure pipeline valve changers, it is characterized in that: outer packing (12), pressure ring (13) and the gland (5) of being equipped with successively of the sleeve pipe (6) at clip (1) inwall stage place.
4, band pressure pipeline valve changer according to claim 1, it is characterized in that: movable head (8) blocks mutually with bracing frame (7) and can rotate.
5, band pressure pipeline valve changer according to claim 1, it is characterized in that: block card piece (9) is 2.
6, according to claim 1,5 described band pressure pipeline valve changers, it is characterized in that: block card piece (9) is glanded (14) and covers mutually.
7, band pressure pipeline valve changer according to claim 1 is characterized in that: all be equipped with sealing ring (16) between bracing frame (7) and sleeve pipe (6) and the thimble (4).
CN 03128703 2003-04-28 2003-04-28 Live pipeline valve replacer Expired - Fee Related CN1261668C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03128703 CN1261668C (en) 2003-04-28 2003-04-28 Live pipeline valve replacer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03128703 CN1261668C (en) 2003-04-28 2003-04-28 Live pipeline valve replacer

Publications (2)

Publication Number Publication Date
CN1458385A true CN1458385A (en) 2003-11-26
CN1261668C CN1261668C (en) 2006-06-28

Family

ID=29430453

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03128703 Expired - Fee Related CN1261668C (en) 2003-04-28 2003-04-28 Live pipeline valve replacer

Country Status (1)

Country Link
CN (1) CN1261668C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538995B (en) * 2009-02-27 2013-04-03 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Method for replacing valve by utilizing borehole pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538995B (en) * 2009-02-27 2013-04-03 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Method for replacing valve by utilizing borehole pressure

Also Published As

Publication number Publication date
CN1261668C (en) 2006-06-28

Similar Documents

Publication Publication Date Title
AU643333B2 (en) Valve stem sealing means for prevention of fugitive emissions
CN1161595C (en) Platform for detecting leakage of pressurizing device
CN1261668C (en) Live pipeline valve replacer
CN2614261Y (en) Valve replacing equipment for pressure pipe line
CN209115719U (en) Ultralow temperature upper-mounting type ball valve
CN101660515B (en) Sealing structure of piston rod of piston type intermediate-pressure and high-pressure compressor
CN2916118Y (en) High-pressure valve
CN204592704U (en) A kind of pipeline sand holes leak stoppage device
CN114061851A (en) Self-sealing metal sealing ring performance testing system and method
CN2434428Y (en) Hydraulic power expansion packer
CN207999231U (en) A kind of oil and gas well structure
CN2663741Y (en) Quick setting complete enclosed packaging type machinery seal device
CN207500113U (en) A kind of device for preventing from being blocked packing ring by the solid particle in compressed gas
CN2649204Y (en) Two-tube rotary joint for cooling rolls
CN219263553U (en) Novel gas pipeline maintenance device
CN219975079U (en) Multi-layer type sealing threaded fastener
CN2129847Y (en) Multiple-oulet selecting valve
CN219453050U (en) Leakage-proof explosion-proof intelligent micro-electric valve for gas bottle
CN214579684U (en) Device for replacing plugging piece under pressure
CN2436645Y (en) high pressure difference sealing rubber cylinder
CN218905021U (en) O-shaped ring accelerated aging test tool
CN2825079Y (en) Zero-leak valve of bypass flue
CN108692058A (en) A kind of multiple anti-blow ball valve of low torque
CN110145613B (en) Take valve joint Assembly
CN219588119U (en) High leakproofness butterfly valve

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060628

Termination date: 20100428