CN106246146A - A kind of adjustable choke manifold - Google Patents

A kind of adjustable choke manifold Download PDF

Info

Publication number
CN106246146A
CN106246146A CN201610858109.8A CN201610858109A CN106246146A CN 106246146 A CN106246146 A CN 106246146A CN 201610858109 A CN201610858109 A CN 201610858109A CN 106246146 A CN106246146 A CN 106246146A
Authority
CN
China
Prior art keywords
pipeline
gate valve
manifold
choke
manual
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
CN201610858109.8A
Other languages
Chinese (zh)
Other versions
CN106246146B (en
Inventor
仝少凯
王祖文
包小红
杨小平
岳艳芳
温亚魁
陈建林
魏晓龙
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.)
China National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering 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 Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd filed Critical Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd
Priority to CN201610858109.8A priority Critical patent/CN106246146B/en
Publication of CN106246146A publication Critical patent/CN106246146A/en
Application granted granted Critical
Publication of CN106246146B publication Critical patent/CN106246146B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12Methods or apparatus for controlling the flow of the obtained fluid to or in wells

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)
  • Pipe Accessories (AREA)

Abstract

The invention provides a kind of adjustable choke manifold, it includes two adjustable throttling positive chokes, a manual needle-like formula choke valve, 11 manual platform gate valves, three erosion resistance diameter changing nipples, a pipeline threeway, one pipeline four-way, two pipeline five-ways and manifold pipeline composition.This choke manifold is two to enter scene 2 structure, and side uses manual needle-like formula choke valve and the second adjustable throttling positive choke to control, and opposite side uses the first adjustable throttling positive choke to control, middle in line.Certain throttle diameter is determined by the regulation of adjustable throttling positive choke, control two-way throttling, one tunnel is in line, thus realize after pressure break during open flow discharge opeing to oil pipe, the accurate control of casing pressure, prevent hypertonia from causing line burst, or hypotony causes stratum to tell sand, it is to avoid positive choke erosion in choke manifold.

Description

A kind of adjustable choke manifold
Technical field
The invention belongs to Oil/gas Well surface throttling Technology field, be specifically related to a kind of adjustable choke manifold.
Background technology
At present, there is positive choke and change in " single positive choke+needle-valve " formula choke manifold that the discharge opeing of Oil/gas Well open flow uses Difficulty, oil nozzle aperture cannot regulate in real time, oil nozzle not erosion resistance, the flimsy problem of adjustable needle valve, and in open flow discharge opeing The problems such as Cheng Zhong, owing to throttling oil nozzle aperture is little, is easily generated oil nozzle erosion and damages, downstream fluid erosion prevention pipe nipple erosion damage, increase Oil nozzle, adjustable needle valve, the frequency that pipe nipple is changed, add input cost, reduce the service life of choke manifold, seriously make About oil gas scene open flow discharge opeing efficiency and progress, delays completion period.
Summary of the invention
Consolidate during open flow discharge opeing after pressure break to solve " single positive choke+needle-valve " formula choke manifold in prior art Stand oil mouth changes difficulty, and positive choke throttle diameter cannot regulate in real time, and positive choke erosion damages, and manual needle valve damages, pressure Falling tone control inaccuracy, the problem such as fluid erosion prevention pipe nipple erosion damage, the purpose of the present invention is to propose to a kind of adjustable choke manifold, should In use, manual needle valve can open maximum opening to choke manifold, carries out merely with adjustable throttling positive choke Throttling open flow, owing to adjustable throttling positive choke can realize real time bidirectional regulation, it is not necessary to change oil nozzle, reduce scene The labor intensity of operator, is configured with corresponding erosion resistance diameter changing nipple simultaneously, reduces from adjustable throttling positive choke The fluid velocity flowed out, serves certain fluid erosion prevention effect.
For realizing above-mentioned technical purpose, the present invention adopts the following technical scheme that and is achieved.
A kind of adjustable choke manifold, including pipeline four-way, pipeline four-way has a manifold set and puts into mouth, described manifold set Putting into mouth and connect wellhead casing pipe gate valve by first manual flat gate valve, a wherein mouth of pipe of described pipeline four-way is depended on by pipeline The secondary manual flat gate valve of connection second, the first adjustable throttling positive choke, the first diameter changing nipple, the 3rd manual platform gate valve, First pipeline five-way, described first pipeline five-way one mouth of pipe connects the first manifold by the 4th manual platform gate valve and exports, and first Another mouth of pipe of pipeline five-way is sequentially connected with the 6th manual platform gate valve and pipeline threeway, and a mouth of pipe of described pipeline threeway is by the Seven manual platform gate valves connect the second manifold outlet, and it is manual that another mouth of pipe of described pipeline threeway is sequentially connected with the 8th by pipeline Flat gate valve, the second diameter changing nipple, the second adjustable throttling positive choke, the 3rd diameter changing nipple, manual needle-like formula choke valve, the Nine manual platform gate valves, the second pipeline five-way, the 11st manual flat gate valve;Another mouth of pipe of described pipeline four-way connects the tenth One manual flat gate valve;Second pipeline five-way has a manifold oil and puts into mouth, and described manifold oil is put into mouth and manually put down by the tenth Plate gate valve connects well mouth oil pipe gate valve, and the second pipeline five-way wherein mouth of pipe is sequentially connected with the 5th manual platform gate valve by pipeline With the first pipeline five-way.
Preferably, the internal diameter of the inner chamber of described first diameter changing nipple is gradual change type, and the first diameter changing nipple can near first The diameter of mode throttling fixing oil one end is minimum.
Preferably, the interior intracavity heap along its length of the gradual change type of described first diameter changing nipple is welded with YG8 hard alloy Tungsten carbide material layer.
Preferably, described hard alloy tungsten carbide material layer thickness is 3.5mm.
Preferably, the first adjustable throttling is fixed and is removably connected between oily and described first diameter changing nipple.
Preferably, the overall long 3850mm of choke manifold, wide 2210mm, 620mm.
Preferably, above-mentioned pipeline all selects 2-9/16 " pipeline, pressure-bearing 35MPa, pipeline latus rectum is 65mm.
Preferably, all Flange joint that are connected by choke manifold, flange is 2-7/8 " EUE R27 standard 350 flange, Supporting bolt is M27 × 3 × 175 stud.
Compared with prior art, beneficial effects of the present invention:
1, the present invention be provided with in choke manifold can real time bidirectional regulation the first adjustable throttling positive choke and second can Mode throttling positive choke, and diameter changing nipple is installed in adjustable throttling positive choke downstream, and throttle in manual needle-like formula Valve downstream is provided with diameter changing nipple equally, by switch difference
Manual platform gate valve, needle-valve combination achieves oil pipe, the accurate control of casing pressure, reduces the row's of returning load fluid pair Oil nozzle, pipe nipple, the erosion of gate valve, improve surface throttling efficiency.
2, the first adjustable throttling positive choke and the second adjustable throttling positive choke are easy to use, and abrasion-resistance is good, Need not change oil nozzle, aperture adjustment scope is wide, and diameter changing nipple is changed convenient, has good erosive wear resistance, not only improves The reducing pressure by regulating flow effect of choke manifold, also a saving the replacement cost of manifold consumable accessory, reduces the labor of site operation personnel Fatigue resistance, extends the service life of choke manifold, and practical, effect is notable, it is adaptable to open flow operation after well fracturing.
Accompanying drawing explanation
Fig. 1 is the structural representation of adjustable choke manifold.
Enlarged drawing at A in Fig. 2 Fig. 1.
In figure: 1-first manual flat gate valve;2-pipeline four-way;The manual flat gate valve of 3-second;The adjustable joint of 4-first Stream positive choke;5-the first diameter changing nipple;6-the 3rd manual platform gate valve;7-the first pipeline five-way;8-the 4th manual platform lock Valve;9-the 5th manual platform gate valve;10-the 6th manual platform gate valve;11-pipeline threeway;12-the 7th manual platform gate valve;13- 8th manual platform gate valve;14-the second diameter changing nipple;15-second adjustable throttling positive choke;16-the 3rd diameter changing nipple; 17-manual needle-like formula choke valve;18-the 9th manual platform gate valve;19-the second pipeline five-way;20-the tenth manual platform gate valve; The manual flat gate valve of 21-the 11st;22-flow regulation handle;23-connecting rod;24-aperture graduated disc;25-Flow-rate adjustment transmission Axle;26-flow controller;27-oil nozzle seat;28-valve seat;29-vertical passage;30-interconnection;31-bearing;32-pin.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further details.
Embodiment 1:
As it is shown in figure 1, the present invention proposes a kind of adjustable choke manifold, after being mainly used in well fracturing, open flow discharge opeing is made In industry.
This choke manifold includes that pipeline four-way 2, pipeline four-way 2 have a manifold set and put into mouth, described pipe
The set that converges is put into mouth and is connected wellhead casing pipe gate valve, a wherein mouth of pipe of described pipeline four-way 2 by first manual flat gate valve It is sequentially connected with the second manual flat gate valve 3 by pipeline, the first adjustable throttling positive choke 4, the first diameter changing nipple 5, the 3rd Manual platform gate valve 6, the first pipeline five-way 7, described first pipeline five-way 7 one mouth of pipe is connected by the 4th manual platform gate valve 8 First manifold outlet, first another mouth of pipe of pipeline five-way 7 is sequentially connected with the 6th manual platform gate valve 10 and pipeline threeway 11, described One mouth of pipe of pipeline threeway 11 connects the second manifold by the 7th manual platform gate valve 12 and exports, another of described pipeline threeway 11 The mouth of pipe is sequentially connected with the 8th manual platform gate valve 13, the second diameter changing nipple 14, the second adjustable throttling positive choke by pipeline 15, the 3rd diameter changing nipple 16, manual needle-like formula choke valve 17, the 9th manual platform gate valve 18, the second pipeline five-way the 19, the 11st Manual platform gate valve 21;Another mouth of pipe of described pipeline four-way 2 connects the 11st manual flat gate valve 21;Second pipeline five-way 19 Having a manifold oil and put into mouth, described manifold oil is put into mouth and is connected well mouth oil pipe gate valve by the tenth manual platform gate valve 20, the A two pipeline five-ways 19 wherein mouth of pipe is sequentially connected with the 5th manual platform gate valve 9 and the first pipeline five-way 7 by pipeline.
Wherein, described pipeline threeway 11, pipeline four-way 2, the second pipeline five-way 19 second pipeline four-way 7, the first pipeline five Logical 5, the second pipeline five-way 11, first manual flat gate valve 1, the second manual flat gate valve 3, the 3rd manual platform gate valve 6, the 4th Manual platform gate valve 8, the 5th manual platform gate valve 9, the 6th manual platform gate valve 10, the 7th manual platform gate valve 12, the 8th hands Dynamic flat gate valve 13, the 9th manual platform gate valve 18, the 9th manual platform gate valve 18, the tenth manual platform gate valve 20, the 11st Manual platform gate valve 21, the first diameter changing nipple 5, the second diameter changing nipple 14, the 3rd diameter changing nipple 16, and the second adjustable throttling Positive choke 17 all selects existing part on market, is not described in detail at this.
The work process of the choke manifold of the present invention is:
First the manifold set at pipeline four-way 2 is put into mouth to be attached with wellhead casing pipe gate valve;At the second pipeline five-way 19 Manifold oil put into mouth and be attached with well mouth oil pipe gate valve;The first manifold outlet and high-pressure hose at first pipeline five-way 7 Or hard pipeline (liquids recovery) is attached, the second manifold outlet at pipeline threeway 11 is carried out even with hard relief line Connect.
After above-mentioned connection completes, according to Oil/gas Well open flow discharge opeing discharge capacity and well head oil, set Stress control needs, and regulates first Adjustable throttling positive choke 4, the second adjustable throttling positive choke 15 determines at certain throttle diameter numerical value, then under it Trip is respectively mounted the first diameter changing nipple 5 and the second diameter changing nipple 14, installs the 3rd equally in manual needle-like formula choke valve 17 downstream Diameter changing nipple 16.
During sleeve pipe open flow, turn off well mouth oil pipe gate valve, open first manual flat gate valve 1, the second manual flat gate valve 3, 3rd manual platform gate valve 6, the 4th manual platform gate valve 8, closedown the 9th manual platform gate valve 21, the 5th manual platform gate valve 9, Casing pressure can be throttled and accurately control;If casing pressure is too high, can open the 9th manual platform gate valve 21, the 5th is manual Flat gate valve 9, closes the second manual flat gate valve 3, and the 3rd manual platform gate valve 6, the 6th manual platform gate valve 10, the 9th is manual Flat gate valve 18, set tapping body flows out from the first pipeline five-way 7 exit, discharges a part of fluid pressure.
During oil pipe open flow, turn off wellhead casing pipe gate valve, open the 8th manual platform gate valve 20, the second manual flat gate valve 3, 3rd manual platform gate valve 6, the 4th manual platform gate valve 8, closedown the 5th manual platform gate valve 9, the 6th manual platform gate valve 10, Tubing pressure can be throttled and accurately control;Or open the 8th manual platform gate valve 20, the 9th manual platform gate valve 18, hands Dynamic needle-like formula choke valve 17, the 8th manual platform gate valve 13, the 7th manual platform gate valve 12, close the 6th manual platform gate valve 10, the 5th manual platform gate valve 9, the 9th manual platform gate valve 21, it is possible to tubing pressure is throttled and accurately controls;If oil is put Hypertonia, can open the 5th manual platform gate valve 9, and oil tapping body is from the first pipeline five-way 7, the outlet stream of pipeline threeway 11 Go out, discharge a part of fluid pressure.
After open flow discharge opeing terminates, closed-in well muzzle sluice valve and oil pipe gate valve, the choke manifold of dismounting cleaning in time after pressure release In each part so that open flow discharge opeing operation again.
This choke manifold puts into mouth by manifold set, and mouth put into by manifold oil, the first manifold outlet, the second manifold outlet composition Two enter scene 2 (turnover direction is as illustrated by the arrows in fig. 1) structure, and side uses manual needle-like formula choke valve 17 and the second adjustable joint Stream positive choke 15 controls, and opposite side uses the first adjustable throttling positive choke 4 to control, middle in line.By opening or closing Close different manual platform gate valves, needle-valve compound mode, and pass through the first adjustable throttling positive choke 4, the second adjustable joint Stream is solid
Stand oil mouth 15 regulation determines certain throttle diameter, controls two-way throttling, and a road is in line, thus realizes putting after pressure break To oil pipe during spray discharge opeing, the accurate control of casing pressure.If there being the adjustable throttling in a road positive choke throttling to lose efficacy, can To switch corresponding gate valve, it is switched on the adjustable throttling positive choke on another road, such that it is able to be carried out continuously throttling open flow row Liquid operation, without causing closing well change positive choke or be forced the operation appearance from choke manifold bypass discharge opeing
Due to the fact that and have employed the first adjustable throttling positive choke 4, the second adjustable throttling positive choke 15, first is adjustable Formula throttling positive choke 4, the second adjustable throttling positive choke 15 is easy to use, and abrasion-resistance is good, it is not necessary to change oil nozzle, hole Footpath range of accommodation is wide, and diameter changing nipple is changed convenient, has good erosive wear resistance, reduces open flow load fluid to oil nozzle, short Joint, the erosion of gate valve, significantly reduce the labor intensity of site operation personnel, saved the throttling open flow time and more changed oil Mouth, the cost of pipe nipple, significantly improve the reducing pressure by regulating flow effect of whole choke manifold, abrasion-resistance and service life, the suitability Extensively, practical, application effect is notable, is suitably applied open flow operation after well fracturing.
Embodiment 2
On the basis of embodiment 1, as in figure 2 it is shown, described first adjustable throttling positive choke and the second adjustable throttling are solid Stand oil mouth 15 structure is identical, and it includes flow regulation handle 22, connecting rod 23, aperture graduated disc 24, Flow-rate adjustment power transmission shaft 25, Flow controller 26, oil nozzle seat 27, valve seat 28, it is provided with a vertical passage 29 in described valve seat 28 bottom, valve seat 28 sidewall sets Having an interconnection 30 being connected with vertical passage 29, described vertical passage 29 is internal equipped with oil nozzle seat 27, in oil nozzle seat 27 Being provided with scale value, the vertical passage 29 within valve seat 28, aperture graduated disc 24 upper surface are inserted in graduated disc 24 bottom, described aperture Be provided be all provided with on the scale corresponding with the scale in oil nozzle seat 27, and each scale of graduated disc upper surface, aperture porose, aperture Graduated disc 24 is internal is sequentially arranged with Flow-rate adjustment power transmission shaft 25 and flow controller 26, described Flow-rate adjustment power transmission shaft from top to bottom 25 upper ends are connected by connecting rod 23 flow regulation handle 22, and described flow regulation handle 22 lower end connects pin 23, and Pin 32 is connected to the hole of aperture scale 16 upper surface, described flow controller 26 and oil nozzle seat 27 inside with inserted mode and is all provided with Fluid passage, oil nozzle seat 27 is had to be positioned at flow controller 26
Lower end, the fluid passage of flow controller 26 and oil nozzle seat 27 can form a passage, and the size of this passage is along with stream The rotation of amount controller 26 and change.
Described aperture graduated disc 24 is internal is hollow channel, and hollow channel top is provided with bearing 31, and bearing 31 is placed on stream Outside amount regulation power transmission shaft 25.
The present invention is by adjustable oil nozzle by integrated to oil nozzle and seat design, and " flow regulation handle 22 drives+hole in employing Footpath graduated disc 24 " mode carries out reality to the first adjustable throttling positive choke 4, the aperture of the second adjustable throttling positive choke 15 Time two-ways regulation, can adjust toward little oil nozzle aperture from big oil nozzle aperture, it is also possible to adjust toward big oil nozzle aperture from little oil nozzle aperture, real Show the purpose of the accurate reducing pressure by regulating flow of oil nozzle real time bidirectional, and the first adjustable throttling positive choke 4, the second adjustable throttling The structure design of positive choke 15 is simple, it is not necessary to changing oil nozzle, machinery real time bidirectional regulation, aperture adjustment scope is big, uses Convenient, service life is long, and wide adaptability is practical, and application effect is notable.
Record through test, the first adjustable throttling positive choke 4, the second adjustable throttling positive choke 15 aperture from 3 ~ 25mm can regulate by real time bidirectional, it is not necessary to changing oil nozzle, in actual application, the regulation of throttle diameter should be put according to oil gas scene pressure break Spray discharge opeing process well head oil, depending on set discharge capacity and pressure condition;Chock pressure difference can be adjusted between 0.1 ~ 45MPa in real time Joint, with design pressure error in the range of ± 0.3MPa.
Embodiment 3
On the basis of embodiment 2, described flow controller 26 and oil nozzle seat 27 use erosion resistance hard alloy tungsten carbide YG8 material Material, high-abrasive material makes positive choke have the highest abrasion-resistance.
Embodiment 4
On the basis of embodiment 1, as described in Figure 1, described first diameter changing nipple 5, the second diameter changing nipple 14, the 3rd diameter changing nipple The internal diameter of the inner chamber of 16 is gradual change type.
The diameter that first diameter changing nipple 5 fixes oily 4 one end near the first adjustable throttling is minimum.Utilize the first diameter changing nipple The change of 5 internal structures so that it is fixing, from the first adjustable throttling, the fluid that oily 4 ports of export return out, to flow through this first reducing short When saving 5, flow velocity and pressure steadily reduce, and pressure drop slowly reduces, the entrance point erosion effectively prevented.
The interior intracavity heap along its length of the gradual change type of described first diameter changing nipple 5 is welded with YG8 hard alloy tungsten carbide Material layer, YG8 hard alloy tungsten carbide material layer thickness is 3.5mm, and hardness HRC92 ~ 95 are respectively provided with higher abrasion-resistance Energy.
Embodiment 5
On the basis of embodiment 1, the fixing oil 4 of described first adjustable throttling removably connects with the first diameter changing nipple 5, removable Unloading the mode of connection can be that bolt connects, threaded or clamping etc., selects this dismountable connected mode, at open flow After end, can dismantle in time, maintain or change reducing nozzle tip, in order to open flow operation again.
Embodiment 6
On the basis of embodiment 1, the overall long 3850mm of choke manifold, wide 2210mm, 620mm.
Described pipeline all selects 2-9/16 " pipeline, pressure-bearing 35MPa, pipeline latus rectum is 65mm.
The connected mode of above-mentioned choke manifold is: all Flange joint that are connected by converging, flange is 2-7/8 " EUE R27 Standard 350 flange, supporting bolt is M27 × 3 × 175 stud.
Exemplified as above is only the illustration to the present invention, is not intended that the restriction to protection scope of the present invention, all It is within design same or analogous with the present invention belongs to protection scope of the present invention.

Claims (8)

1. an adjustable choke manifold, it is characterised in that: include that pipeline four-way (2), pipeline four-way (2) have a manifold set and put Entrance, described manifold set is put into mouth and is connected wellhead casing pipe gate valve, its of described pipeline four-way (2) by first manual flat gate valve In a mouth of pipe be sequentially connected with the second manual flat gate valve (3) by pipeline, the first adjustable throttling positive choke (4), first becomes Footpath pipe nipple (5), the 3rd manual platform gate valve (6), the first pipeline five-way (7), described first pipeline five-way (7) mouth of pipe is by the Four manual platform gate valves (8) connect the first manifold outlet, and first pipeline five-way (7) another mouth of pipe is sequentially connected with the 6th manual platform Gate valve (10) and pipeline threeway (11), a mouth of pipe of described pipeline threeway (11) connects the by the 7th manual platform gate valve (12) Two manifold outlets, another mouth of pipe of described pipeline threeway (11) is sequentially connected with the 8th manual platform gate valve (13) by pipeline, the Two diameter changing nipples (14), the second adjustable throttling positive choke (15), the 3rd diameter changing nipple (16), manual needle-like formula choke valve (17), the 9th manual platform gate valve (18), the second pipeline five-way (19), the 11st manual flat gate valve (21);Described pipeline four Another mouth of pipe of logical (2) connects the 11st manual flat gate valve (21);Second pipeline five-way (19) has a manifold oil and puts into mouth, Described manifold oil is put into mouth and is connected well mouth oil pipe gate valve by the tenth manual platform gate valve (20), and the second pipeline five-way (19) is wherein One mouth of pipe is sequentially connected with the 5th manual platform gate valve (9) and the first pipeline five-way (7) by pipeline.
Adjustable choke manifold the most as claimed in claim 1, it is characterised in that: the inner chamber of described first diameter changing nipple (5) Internal diameter is gradual change type, and the first diameter changing nipple (5) diameter near the fixing oil of the first adjustable throttling (4) one end is minimum.
Adjustable choke manifold the most as claimed in claim 2, it is characterised in that: the gradual change type of described first diameter changing nipple (5) Interior intracavity heap along its length be welded with YG8 hard alloy tungsten carbide material layer.
Adjustable choke manifold the most as claimed in claim 3, it is characterised in that: described hard alloy tungsten carbide material layer thickness For 3.5mm.
Adjustable choke manifold the most as claimed in claim 1, it is characterised in that: the first adjustable throttling fixing oily (4) and institute State and removably connect between the first diameter changing nipple (5).
Adjustable choke manifold the most as claimed in claim 1, it is characterised in that: the overall long 3850mm of choke manifold, wide 2210mm, 620mm.
Adjustable choke manifold the most as claimed in claim 1, it is characterised in that: above-mentioned pipeline all selects 2-9/16 " pipeline, Pressure-bearing 35MPa, pipeline latus rectum is 65mm.
Adjustable choke manifold the most as claimed in claim 1, it is characterised in that: in choke manifold, all flanges that are connected by connect Connecing, flange is 2-7/8, and " EUE R27 standard 350 flange, supporting bolt is M27 × 3 × 175 stud.
CN201610858109.8A 2016-09-28 2016-09-28 A kind of adjustable choke manifold Active CN106246146B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610858109.8A CN106246146B (en) 2016-09-28 2016-09-28 A kind of adjustable choke manifold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610858109.8A CN106246146B (en) 2016-09-28 2016-09-28 A kind of adjustable choke manifold

Publications (2)

Publication Number Publication Date
CN106246146A true CN106246146A (en) 2016-12-21
CN106246146B CN106246146B (en) 2019-06-18

Family

ID=57611654

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610858109.8A Active CN106246146B (en) 2016-09-28 2016-09-28 A kind of adjustable choke manifold

Country Status (1)

Country Link
CN (1) CN106246146B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112228027A (en) * 2020-07-10 2021-01-15 重庆新泰机械有限责任公司 Multistage scour protection thorn sand-containing fracturing fluid flowback manifold device
CN116591644A (en) * 2023-07-17 2023-08-15 大庆市天德忠石油科技有限公司 Hydraulic sand blasting perforation choke manifold

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1744235A1 (en) * 1990-01-08 1992-06-30 Азербайджанский научно-исследовательский и проектно-конструкторский институт нефтяного машиностроения Blowout preventer manifold for jack-up drilling and offshore fixed platforms
US5156212A (en) * 1991-05-21 1992-10-20 Bryant Thomas B Method and system for controlling high pressure flow, such as in containment of oil and gas well fires
RU1807208C (en) * 1991-01-11 1993-04-07 Азербайджанский научно-исследовательский и проектно-конструкторский институт нефтяного машиностроения Throttle of blowout preventer equipment with manual and hydraulic control
CN1584289A (en) * 2004-05-31 2005-02-23 塔里木石油勘探开发指挥部 Drilling multistage throttling process of high-pressure gas-oil well
CN201014199Y (en) * 2007-02-16 2008-01-30 建湖县鸿达阀门管件有限公司 Anti-erosion choke manifold
CN201696016U (en) * 2010-07-04 2011-01-05 胜利油田胜机石油装备有限公司 Quantitative and adjustable sleeve throttling valve for extracting oil and gas
CN102287157A (en) * 2011-09-07 2011-12-21 盐城市大冈石油工具厂有限责任公司 Multifunctional well-killing open flow manifold
CN203271673U (en) * 2013-05-08 2013-11-06 宝鸡石油机械有限责任公司 Automatically-controlled multiple branch choke manifold
CN103758481A (en) * 2014-01-20 2014-04-30 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 Hierarchical-depressurizing oil nozzle manifold
CN203797077U (en) * 2014-02-14 2014-08-27 承德江钻石油机械有限责任公司 Orifice plate type drilling throttling valve
CN104314493A (en) * 2014-10-21 2015-01-28 江苏双辉机械制造有限公司 Automatic remote control liquid-driving blowout-preventing choke manifold
CN204960868U (en) * 2015-09-10 2016-01-13 江苏华展石油机械有限公司 Choke manifold
CN105626004A (en) * 2016-03-03 2016-06-01 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 Blowout erosion-resistant throttle manifold for oil and gas wells

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1744235A1 (en) * 1990-01-08 1992-06-30 Азербайджанский научно-исследовательский и проектно-конструкторский институт нефтяного машиностроения Blowout preventer manifold for jack-up drilling and offshore fixed platforms
RU1807208C (en) * 1991-01-11 1993-04-07 Азербайджанский научно-исследовательский и проектно-конструкторский институт нефтяного машиностроения Throttle of blowout preventer equipment with manual and hydraulic control
US5156212A (en) * 1991-05-21 1992-10-20 Bryant Thomas B Method and system for controlling high pressure flow, such as in containment of oil and gas well fires
CN1584289A (en) * 2004-05-31 2005-02-23 塔里木石油勘探开发指挥部 Drilling multistage throttling process of high-pressure gas-oil well
CN201014199Y (en) * 2007-02-16 2008-01-30 建湖县鸿达阀门管件有限公司 Anti-erosion choke manifold
CN201696016U (en) * 2010-07-04 2011-01-05 胜利油田胜机石油装备有限公司 Quantitative and adjustable sleeve throttling valve for extracting oil and gas
CN102287157A (en) * 2011-09-07 2011-12-21 盐城市大冈石油工具厂有限责任公司 Multifunctional well-killing open flow manifold
CN203271673U (en) * 2013-05-08 2013-11-06 宝鸡石油机械有限责任公司 Automatically-controlled multiple branch choke manifold
CN103758481A (en) * 2014-01-20 2014-04-30 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 Hierarchical-depressurizing oil nozzle manifold
CN203797077U (en) * 2014-02-14 2014-08-27 承德江钻石油机械有限责任公司 Orifice plate type drilling throttling valve
CN104314493A (en) * 2014-10-21 2015-01-28 江苏双辉机械制造有限公司 Automatic remote control liquid-driving blowout-preventing choke manifold
CN204960868U (en) * 2015-09-10 2016-01-13 江苏华展石油机械有限公司 Choke manifold
CN105626004A (en) * 2016-03-03 2016-06-01 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 Blowout erosion-resistant throttle manifold for oil and gas wells

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112228027A (en) * 2020-07-10 2021-01-15 重庆新泰机械有限责任公司 Multistage scour protection thorn sand-containing fracturing fluid flowback manifold device
CN116591644A (en) * 2023-07-17 2023-08-15 大庆市天德忠石油科技有限公司 Hydraulic sand blasting perforation choke manifold
CN116591644B (en) * 2023-07-17 2023-09-19 大庆市天德忠石油科技有限公司 Hydraulic sand blasting perforation choke manifold

Also Published As

Publication number Publication date
CN106246146B (en) 2019-06-18

Similar Documents

Publication Publication Date Title
CN105626004B (en) A kind of Oil/gas Well open flow erosion resistance choke manifold
US9239125B2 (en) Manifold assembly with multiple articulating arm assemblies
US2510356A (en) Flow bean
US7584801B2 (en) Drill string flow control valves and methods
CN104315164B (en) There is the stop valve of several functions
CN206738603U (en) Throttling Anti-erosion needle-like adjustable bean
CN106246146A (en) A kind of adjustable choke manifold
CN205445565U (en) Resistant erosion choke manifold
US20090205728A1 (en) Disc Arrangement for Drilling or Production Choke or Valve
CN206429228U (en) Adjustable choke manifold
CN106194130B (en) A kind of choke manifold with adjustable throttling positive choke
CN105276198B (en) A kind of pulverized coal flow regulating valve
CN116641676A (en) Intelligent cloud control throttling well control manifold
US6446664B1 (en) Erosion resistant wear sleeve for high pressure valves
CN107269249A (en) Bias delivery valve minor diameter oil well pump
CN206158694U (en) Choke manifold with adjustable throttle fixed oil nozzle
CN206943510U (en) A kind of check valve
CN203868421U (en) Erosive wear resisting flow control system
CN203008855U (en) Three-stage throttling blow-off manifold
CN106121571B (en) A kind of double oil nozzle type choke manifolds and its application and application method
CN106246136A (en) A kind of adjustable throttling positive choke
KR100912597B1 (en) Parallel type complex control valve body for a fluid control valve
AU2015258313B2 (en) A manifold assembly
DE102015108478B4 (en) valve assembly
CN206036379U (en) Flow control valve through dual fail -safe buffering

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211018

Address after: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen

Patentee after: CHINA NATIONAL PETROLEUM Corp.

Patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd.

Address before: 710018 room 1207, Changqing building, Changqing Xing Long Yuan District, Xi'an, Shaanxi

Patentee before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING COMPANY LIMITED CHANGQING DOWNHOLE TECHNOLOGY Co.