CN202483496U - Multifunctional totally-closed anti-theft well head device - Google Patents

Multifunctional totally-closed anti-theft well head device Download PDF

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Publication number
CN202483496U
CN202483496U CN2012200249294U CN201220024929U CN202483496U CN 202483496 U CN202483496 U CN 202483496U CN 2012200249294 U CN2012200249294 U CN 2012200249294U CN 201220024929 U CN201220024929 U CN 201220024929U CN 202483496 U CN202483496 U CN 202483496U
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CN
China
Prior art keywords
valve
enclosed
totally
packing box
preventing thieves
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012200249294U
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Chinese (zh)
Inventor
程世英
毛志高
崔建军
范明富
冯继武
许常春
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.)
SHANNXI XINGCHEN PETROLEUM TECHNOLOGY Co Ltd
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SHANNXI XINGCHEN PETROLEUM TECHNOLOGY Co Ltd
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Application filed by SHANNXI XINGCHEN PETROLEUM TECHNOLOGY Co Ltd filed Critical SHANNXI XINGCHEN PETROLEUM TECHNOLOGY Co Ltd
Priority to CN2012200249294U priority Critical patent/CN202483496U/en
Application granted granted Critical
Publication of CN202483496U publication Critical patent/CN202483496U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a multifunctional totally-closed anti-theft well head device. The well head device comprises an oil tube tee, an anti-theft packing box is arranged at the upper end of the oil tube tee, the right end of the oil tube is connected with a union connected with a sampling combined valve, the lower right end of the oil tube is connected with a flange, the upper end of a casing tee is connected with the flange, the right end of the casing tee is connected with a casing gas control valve, and a check valve is connected onto the casing gas control valve. According to the multifunctional totally-closed anti-theft well head device, the existing anti-theft well head devices can be replaced and the well head is provided with a casing gas recovery function.

Description

A kind of multi-functional totally-enclosed Pithead preventing thieves device
Technical field
The utility model belongs to Pithead preventing thieves device technique field, relates to a kind of multi-functional totally-enclosed Pithead preventing thieves device.
Background technology
In oil recovery field, oil field, wellhead assembly adopts 250 model or simple and easy wellhead for production usually, and the main body pipeline of these two kinds of wellhead assemblies all is equipped with sample valve, flap valve, main stop valve several sections composition.Sample valve wherein generally adopts " needle valve ", and this valve is without any need for instrument, and rotation hand wheel just can reach the purpose of stolen.And being connected of flap valve and main stop valve all adopts bolt and flange to connect, and dismounting bolt down just can stolen, and theftproof is poor.
The utility model content
The technical problem that the utility model solves is to provide a kind of multi-functional totally-enclosed Pithead preventing thieves device, and promptly alternative present use Pithead preventing thieves device makes this well head also have cover gas again and reclaims function.
The utility model is to realize through following technical scheme:
A kind of multi-functional totally-enclosed Pithead preventing thieves device comprises the oil pipe threeway, and the antitheft packing box is equipped with in the upper end of oil pipe threeway, and right-hand member is connected with the oily ninth of the ten Heavenly Stems, following right-hand member adpting flange, and oil is connected with the sampling combined valve ninth of the ten Heavenly Stems; The upper end of sleeve pipe threeway is connected with flange, and right-hand member is connected with the cover gas control valve, and ball-and-seat is connected on the cover gas control valve.
Described antitheft packing box comprises the packing box shell, is provided with pressure cap in the packing box shell, and pressure cap below is provided with sealing ring, is provided with the locking pin that rotates groove the packing box shell is connected with pressure cap.
Described sampling combined valve comprises valve body, and gland is connected with valve body through clamping ring with bonnet; Valve body is provided with collection delivery outlet, metering outlet and sample tap; Be provided with the worm screw that is connected with the clamping ring of gland in the valve body; The centralizer that is provided with the valve core through hole is connected with worm screw, and centralizer also runs through the clamping ring of gland, and worm screw is connected with rotating handle.
Described handle rotates the back and does rectilinear motion through worm screw drive valve core through hole.
Also be provided with the oil-in that is connected with the oily ninth of the ten Heavenly Stems on the described gland.
Clamping ring is fixedly connected with valve body through connecting pin.
Described collection delivery outlet, metering outlet and sample tap big or small consistent, all the size with the valve core through hole is complementary.
Described collection delivery outlet is connected with gathering line, and the metering outlet is connected with the metering pipeline.
Compared with prior art, the utlity model has following beneficial technical effects:
1, the multi-functional totally-enclosed Pithead preventing thieves device that provides of the utility model, sealing is reliable, good anti-theft effect; When changing packing, be rotated counterclockwise locking pin with special-purpose handle earlier, unload locking pin; Unclamp the packing box shell again, change packing, reach the purpose that prevents from packing box shell stolen.
2, the multi-functional totally-enclosed Pithead preventing thieves device that provides of the utility model; Design through the sampling combined valve; Because the sealing function of gland clamping ring; Can only pass through the valve core through hole of centralizer after crude oil gets into from oil-in, thereby can drive moving of valve core through hole by swing handle, realize multiple feature operation:
During the oil well ordinary production, the worm screw of rotating the sampling combined valve through handle drives the valve core through hole to the collection delivery outlet, close singly measure mouthful, sample tap, the crude oil of well head flows into gathering line from the collection delivery outlet;
When oil well need carry out the metering of fuel-displaced output, the worm screw of rotating the sampling combined valve through handle drove valve core to the metering outlet, closure set delivery outlet, sample tap, and the crude oil of well head flows into the metering pipeline from the metering outlet;
Taking a sample when needs is that the worm screw of rotating the sampling combined valve through handle drives valve core to sample tap, sampling after the crude oil of well head flows out from sample tap; Substituted present sample valve and used " needle valve ".
3, the multi-functional totally-enclosed Pithead preventing thieves device that provides of the utility model; Design through the sampling combined valve; Replace flap valve and main stop valve that present well head uses; Through realizing switch non-return and main segment behind the position between worm screw drive valve core to three outlet of handle rotation sampling combined valve, replaced switch flap valve and main stop valve, prevent from flap valve and main stop valve stolen.
4, the multi-functional totally-enclosed Pithead preventing thieves device that provides of the utility model; Also increase oil well cover gas and reclaimed function; Adopt all-sealed bindiny mechanism; Through the pressure value of regulating sleeve gas control valve, can oil well be overlapped gas control under certain pressure, get into that the crude oil with well head enters into petroleum pipeline behind the well head after making oil well cover gas through ball-and-seat.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the antitheft packing box structural representation of the utility model;
Fig. 3 is the sampling combined valve structural representation of the utility model;
Fig. 4 be Fig. 3 A-A to cross-sectional schematic.
Wherein: 1-antitheft packing box, 2-oil ninth of the ten Heavenly Stems, 3-sampling combined valve, 4-handle, 5-ball-and-seat, 6-cover gas control valve, the threeway of 7-sleeve pipe, 8-flange, the threeway of 9-oil pipe, 10-packing box shell, 11-pressure cap, 12-sealing ring, 13-locking pin, 14-oil-in, 15-gland, 16-clamping ring, 17-valve body, 18-collection delivery outlet, 19-measure outlet, 20-sample tap, 21-worm screw, 22-centralizer, 23-valve core through hole, 24-connecting pin, 25-bonnet.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done to describe in further detail, said is explanation rather than qualification to the utility model.
Referring to Fig. 1, multi-functional totally-enclosed Pithead preventing thieves device comprises packing box 1, the oily ninth of the ten Heavenly Stems 2, combined valve 3, handle 4, ball-and-seat 5, cover gas control valve 6, sleeve pipe threeway 7, flange 8, oil pipe threeway 9.
Packing box 1 is equipped with in oil pipe threeway 9 upper ends, and right-hand member is connected with the oily ninth of the ten Heavenly Stems 2, lower end adpting flange 8, and oil is connected with sampling combined valve 3 ninth of the ten Heavenly Stems 2;
Flange 8 is equipped with in sleeve pipe threeway 7 upper ends, and right-hand member is connected with cover gas control valve 6, and ball-and-seat 5 is connected on the cover gas control valve 6.
Referring to Fig. 2, described antitheft packing box 1 comprises packing box shell 10, is provided with pressure cap 11 in the packing box shell 10, and pressure cap 11 belows are provided with sealing ring 12, is provided with the locking pin 13 that rotates groove packing box shell 10 is connected with pressure cap 11.
Antitheft packing box 1 has anti-theft effect preferably: when changing packing, be rotated counterclockwise locking pin with special-purpose handle earlier, unload locking pin, unclamp the packing box shell again, change packing, reach the purpose that prevents from packing box shell stolen.
Referring to Fig. 3, Fig. 4, the sampling combined valve is that the collecting delivering valve door of well head, metering valve and sample cock employing gating mode are combined as a whole, and rotates the switching of by-pass valve control through handle 4.
Described sampling combined valve comprises valve body 17, and gland 15 is connected with valve body 17 through clamping ring 16 with bonnet 25, and clamping ring 16 is fixedly connected with valve body 17 through connecting pin 24; Also be provided with the oil-in 14 that is connected with the oily ninth of the ten Heavenly Stems 2 on the gland 15;
Valve body 17 is provided with collection delivery outlet 18, metering outlet 19 and sample tap 20; Be provided with the worm screw 21 that is connected with the clamping ring 16 of gland 15 in the valve body 17; The centralizer 22 that is provided with valve core through hole 23 is connected with worm screw 21; Centralizer 22 also runs through the clamping ring 16 of gland 15, and worm screw 21 is connected with rotating handle 4; Handle 4 rotates the back and does rectilinear motion through worm screw 21 drive valve core through holes 23.
And collection delivery outlet 18, metering outlet 19 and sample tap 20 is big or small consistent, and all the size with valve core through hole 23 is complementary; Described collection delivery outlet 18 is connected with gathering line, and metering outlet 19 is connected with the metering pipeline.
Owing to can only pass through the valve core through hole of centralizer after the sealing function of gland clamping ring, crude oil get into from oil-in, thereby can drive moving of valve core through hole by swing handle, realize multiple feature operation:
During the oil well ordinary production, the worm screw of rotating the sampling combined valve through handle drives the valve core through hole to the collection delivery outlet, close singly measure mouthful, sample tap, the crude oil of well head flows into gathering line from the collection delivery outlet;
When oil well need carry out the metering of fuel-displaced output, the worm screw of rotating the sampling combined valve through handle drove valve core to the metering outlet, closure set delivery outlet, sample tap, and the crude oil of well head flows into the metering pipeline from the metering outlet;
Taking a sample when needs is that the worm screw of rotating the sampling combined valve through handle drives valve core to sample tap, sampling after the crude oil of well head flows out from sample tap; Substituted present sample valve and used " needle valve ".
And; Design through the sampling combined valve; Replace flap valve and main stop valve that present well head uses; Through realizing switch non-return and main segment behind the position between worm screw drive valve core to three outlet of handle rotation sampling combined valve, replaced switch flap valve and main stop valve, prevent from flap valve and main stop valve stolen.
The multi-functional totally-enclosed Pithead preventing thieves device that the utility model provides; Also increase oil well cover gas and reclaimed function; Owing to adopt all-sealed bindiny mechanism; Through the pressure value of regulating sleeve gas control valve 6, can oil well be overlapped gas control under certain pressure, make oil well cover gas get into through ball-and-seat 5 backs that the crude oil with well head enters into petroleum pipeline behind the well heads.

Claims (8)

1. a multi-functional totally-enclosed Pithead preventing thieves device is characterized in that comprise the oil pipe threeway, the antitheft packing box is equipped with in the upper end of oil pipe threeway, and right-hand member is connected with the oily ninth of the ten Heavenly Stems, following right-hand member adpting flange, and oil is connected with the sampling combined valve ninth of the ten Heavenly Stems; The upper end of sleeve pipe threeway is connected with flange, and right-hand member is connected with the cover gas control valve, and ball-and-seat is connected on the cover gas control valve.
2. multi-functional totally-enclosed Pithead preventing thieves device as claimed in claim 1; It is characterized in that described antitheft packing box comprises the packing box shell, is provided with pressure cap in the packing box shell; Pressure cap below is provided with sealing ring, is provided with the locking pin that rotates groove the packing box shell is connected with pressure cap.
3. multi-functional totally-enclosed Pithead preventing thieves device as claimed in claim 1 is characterized in that described sampling combined valve comprises valve body, and gland is connected with valve body through clamping ring with bonnet; Valve body is provided with collection delivery outlet, metering outlet and sample tap; Be provided with the worm screw that is connected with the clamping ring of gland in the valve body; The centralizer that is provided with the valve core through hole is connected with worm screw, and centralizer also runs through the clamping ring of gland, and worm screw is connected with rotating handle.
4. multi-functional totally-enclosed Pithead preventing thieves device as claimed in claim 3 is characterized in that, described handle rotates the back and does rectilinear motion through worm screw drive valve core through hole.
5. multi-functional totally-enclosed Pithead preventing thieves device as claimed in claim 3 is characterized in that, also is provided with the oil-in that is connected with the oily ninth of the ten Heavenly Stems on the described gland.
6. multi-functional totally-enclosed Pithead preventing thieves device as claimed in claim 3 is characterized in that, clamping ring is fixedly connected with valve body through connecting pin.
7. multi-functional totally-enclosed Pithead preventing thieves device as claimed in claim 3 is characterized in that, described collection delivery outlet, metering outlet and sample tap big or small consistent, and all the size with the valve core through hole is complementary.
8. multi-functional totally-enclosed Pithead preventing thieves device as claimed in claim 3 is characterized in that described collection delivery outlet is connected with gathering line, and the metering outlet is connected with the metering pipeline.
CN2012200249294U 2012-01-19 2012-01-19 Multifunctional totally-closed anti-theft well head device Expired - Fee Related CN202483496U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200249294U CN202483496U (en) 2012-01-19 2012-01-19 Multifunctional totally-closed anti-theft well head device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200249294U CN202483496U (en) 2012-01-19 2012-01-19 Multifunctional totally-closed anti-theft well head device

Publications (1)

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CN202483496U true CN202483496U (en) 2012-10-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561976A (en) * 2012-01-19 2012-07-11 陕西星辰石油科技有限责任公司 Multifunctional fully-enclosed anti-theft wellhead device
CN111691850A (en) * 2019-03-11 2020-09-22 中国石油天然气股份有限公司 Oil well metering valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561976A (en) * 2012-01-19 2012-07-11 陕西星辰石油科技有限责任公司 Multifunctional fully-enclosed anti-theft wellhead device
CN111691850A (en) * 2019-03-11 2020-09-22 中国石油天然气股份有限公司 Oil well metering valve
CN111691850B (en) * 2019-03-11 2024-05-28 中国石油天然气股份有限公司 Metering valve for oil well

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121010

Termination date: 20140119