CN205000945U - Intelligent shale atmospheric pressure splits wellhead assembly - Google Patents

Intelligent shale atmospheric pressure splits wellhead assembly Download PDF

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Publication number
CN205000945U
CN205000945U CN201520692671.9U CN201520692671U CN205000945U CN 205000945 U CN205000945 U CN 205000945U CN 201520692671 U CN201520692671 U CN 201520692671U CN 205000945 U CN205000945 U CN 205000945U
Authority
CN
China
Prior art keywords
valve
head
flat gate
shale gas
plate valve
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.)
Expired - Fee Related
Application number
CN201520692671.9U
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Chinese (zh)
Inventor
吴启春
仇品先
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.)
Jianhu County Hongda Valve & Pipe Fitting Co Ltd
Original Assignee
Jianhu County Hongda Valve & Pipe Fitting 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 Jianhu County Hongda Valve & Pipe Fitting Co Ltd filed Critical Jianhu County Hongda Valve & Pipe Fitting Co Ltd
Priority to CN201520692671.9U priority Critical patent/CN205000945U/en
Application granted granted Critical
Publication of CN205000945U publication Critical patent/CN205000945U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an intelligent shale atmospheric pressure splits wellhead assembly, include the first cross of oil pipe that links to each other with the well head, the port top has connected gradually first manual plate valve in the first cross of oil pipe, the remote -controlled valve that surges, second plate valve, offset formula inject head and third plate valve into, fourth plate valve and the 5th plate valve, the first cross of oil pipe and well head connects gradually on linking to each other the adjacent both ends mouth of port respectively, stop valve and manometer be equipped with through behind the flange joint, on the flange between fourth plate valve and the 5th plate valve. The utility model has the advantages of being simple in structure and convenient in operation, easily maintenance, reliability height, development individual well expense is low, long service life, through surge the remote -controlled valve at any time remote control realize the remote control and open the well, avoid the unnecessary loss and the energy let the expense, safe and reliable, pour into the head into through the offset formula, the fluid forms the offset when flow channel hole gets into the inner chamber, ensures maximum reducing pouring into erodeing of first inner wall into, extension product life.

Description

A kind of intelligent shale gas device for fracturing wellhead
Technical field
The utility model relates to a kind of wellhead assembly, and particularly a kind of intelligent shale gas device for fracturing wellhead, belongs to petroleum drilling and mining, fracturing technique field.
Background technology
In recent years, shale gas is a dark horse in Unconventional forage, become the new highlight of Global Oil and Gas Resources exploration and development, shale gas exploitation simultaneously has strategic importance to China, and the shale gas of clean low-carbon (LC) can increase natural gas supply, Optimization of Energy Structure, alleviation emission reduction.According to statistics, current world shale gas stock number is 456 tcms, and be mainly distributed in the areas such as North America, the Central Asia and China, Middle East and North Africa, Latin America, the former Soviet Union, its potentiality are far longer than conventional gas.
Number of patent application is a kind of shale gas device for fracturing wellhead of 201510113722.2, all adopts manually opened gas checking valve, there is certain potential safety hazard, control technology is backward, application life is low and has the defects such as flow-control is inaccurate.
Utility model content
The utility model object provides a kind of rational in infrastructure, easy to operate to solve the problem, safe and efficient intelligent shale gas device for fracturing wellhead.
Technical solution of the present utility model is achieved in that a kind of intelligent shale gas device for fracturing wellhead, comprise the tubing head four-way be connected with well head, above described tubing head four-way upper port, be connected with the first manual flat gate valve, hydraulic remotely-controlled valve, the second flat gate valve, opposite-flushing type injection head and the 3rd flat gate valve in turn; The 4th flat gate valve and the 5th flat gate valve is connected successively respectively with on the adjacent both ends mouth of well head connected port at described tubing head four-way; By after Flange joint between described 4th flat gate valve and the 5th flat gate valve, flange is equipped with stop valve and pressure meter; Sealed suspension device is loaded in described tubing head four-way upper port.
Improve further as the utility model, described opposite-flushing type injection head comprises the opposite-flushing type injection head body that both sides have a pair ear wing, be provided with in described opposite-flushing type injection head body pass into for oil pipe flow through passage; All have in described ear wing and the fracturing fluid runner hole flowing through passage and communicate; A union flange is all connected to above two ear wings; Described union flange upper end is connected with fracturing fluid flow meter by the tight cap of union.
Improve further as the utility model, described in flow through passage built with oil pipe protecting jacket.
Improve further as the utility model, below described opposite-flushing type injection head, be provided with resistance to erosion checkout gear.
Improve further as the utility model, described resistance to erosion checkout gear is primarily of connecting the hex nut of setting, the section of being threaded and detection head successively; Described detection head is provided with erosion resistance and detects scale.
Improve further as the utility model, described hydraulic remotely-controlled valve comprises valve body, is connected to the left valve gap of valve body two side ends and right valve gap, the cylinder body be connected on left valve gap, is connected to the valve bonnet on right valve gap and arranges in valve body for blocking the valve plate of circulation; The valve rod being provided with oiling nozzle, piston in described cylinder body and being connected with piston, this valve rod other end is connected with valve plate one end; This valve plate other end is connected with lower guide peg.
Improve further as the utility model, described left valve gap is provided with stop-leak compound injection valve; Described right valve gap is provided with ball-and-seat.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Intelligent shale gas device for fracturing wellhead of the present utility model, has that structure is simple, easy to operate, for ease of maintenaince, reliability is high, and exploitation individual well expense is low, the features such as long service life; Can by the design of hydraulic remotely-controlled valve arrangement realize well head remote control and drive a well by Remote at any time, avoid unnecessary loss and the energy allow expense, not only safety but also reliable, improve its safety; By the structure design of opposite-flushing type injection head, fluid enters inner chamber and is formed and liquidate through runner hole, guarantee farthest to reduce washing away injection head inwall, prolongation product application life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 is the structural representation of a kind of intelligent shale gas device for fracturing wellhead of the present utility model;
Accompanying drawing 2 is the structural representation of resistance to erosion checkout gear of the present utility model;
Accompanying drawing 3 is the structural representation of hydraulic remotely-controlled valve of the present utility model;
Wherein: 1, tubing head four-way; 2, the first manual flat gate valve; 3, hydraulic remotely-controlled valve; 4, the second flat gate valve; 5, opposite-flushing type injection head; 6, the 3rd flat gate valve; 7, the 4th flat gate valve; 8, the 5th flat gate valve; 9, flange; 10, stop valve; 11, pressure meter; 12, sealed suspension device; 13, resistance to erosion checkout gear; 31, valve body; 32, left valve gap; 33, right valve gap; 34, cylinder body; 35, valve bonnet; 36, valve plate; 37, oiling nozzle; 38, piston; 39, valve rod; 40, lower guide peg; 41, rear valve base; 42, oil cylinder fluid delivery outlet; 51, ear wing; 52, opposite-flushing type injection head body; 53, passage is flowed through; 54, fracturing fluid runner hole; 55, union flange; 56, the tight cap of union; 57, fracturing fluid flow meter; 58, oil pipe protecting jacket; 60, studding bolt; 61, nut; 62, stem packing; 63, gripper shoe; 64, front valve seat; 65, stop-leak compound injection valve; 66, ball-and-seat; 131, hex nut; 132, the section of being threaded; 133, detection head; 134, erosion resistance detects scale.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described.
The intelligent shale gas device for fracturing wellhead of one in the utility model as shown in Figure 1, comprise the tubing head four-way 1 be connected with well head, above described tubing head four-way 1 upper port, be connected with the first manual flat gate valve 2, hydraulic remotely-controlled valve 3, second flat gate valve 4, opposite-flushing type injection head 5 and the 3rd flat gate valve 6 in turn; The 4th Flat Sluice 7 and the 5th flat gate valve 8 is connected successively respectively with on the adjacent both ends mouth of well head connected port at described tubing head four-way 1; After being connected by flange 9 between described 4th flat gate valve 7 and the 5th flat gate valve 8, flange 9 is equipped with stop valve 10 and pressure meter 11; Sealed suspension device 12 is loaded in described tubing head four-way 1 upper port; Manual closing well can be realized by the first manual flat gate valve 2, second flat gate valve 4, the 3rd flat gate valve 6, the 4th Flat Sluice 7 and the 5th flat gate valve 8; Can by hydraulic remotely-controlled valve 3 realize well head remote control and drive a well by Remote at any time.
Described opposite-flushing type injection head 5 comprises the opposite-flushing type injection head body 52 that both sides have a pair ear wing 51, be provided with in described opposite-flushing type injection head body 52 pass into for oil pipe flow through passage 53; All have in ear wing 51 and the fracturing fluid runner hole 54 flowing through passage 53 and communicate; A union flange 55 is all connected to above two ear wings 51; Described union flange 55 upper end is connected with fracturing fluid flow meter 57, fracturing fluid flow meter 57 by the tight cap 56 of union, can reach and accurately control or calculate pressure sand amount.
Have the injection hole symmetric design of the opposite-flushing type injection head of a pair ear wing 51, fluid enters inner chamber and is formed and liquidate through runner hole, take out energy, guarantee farthest to reduce washing away injection head inwall, prolongation product application life.
As accompanying drawing 1, shown in 2, below opposite-flushing type injection head 5, side has detect aperture, in detect aperture built with resistance to erosion checkout gear 13, resistance to erosion checkout gear 13 is primarily of the hex nut 131 connecting setting successively, the section of being threaded 132 and detection head 133, detection head 133 is towards flowing through passage 53 direction, can detect in real time in opposite-flushing type injection head 5 and easily wash away portion faces degradation degree, detection head 133 is provided with erosion resistance and detects scale 134, according to the erosion quantity of resistance to erosion detection head, the scour depth so just can knowing one month or 1 year is how many, be used for the safe life judging that well head uses.
The described passage 53 that flows through, built with oil pipe protecting jacket 58, is protected coiled tubing when high velocity fracturing liquid enters runner hole, is avoided oil pipe to be washed out.
As shown in accompanying drawing 1,3, described hydraulic remotely-controlled valve 3 comprises valve body 31, is connected to the left valve gap 32 of valve body 31 two side ends and right valve gap 33, the cylinder body 34 be connected on left valve gap 32, is connected to the valve bonnet 35 on right valve gap 33 and arranges in valve body 31 for blocking the valve plate 36 of circulation; The valve rod 39 being provided with oiling nozzle 37, oil cylinder fluid delivery outlet 42, piston 38 in described cylinder body 34 and being connected with piston 38, this valve rod 39 other end is connected with valve plate 36 one end; This valve plate 36 other end is connected with lower guide peg 40.
Valve body 31 is processed with two valve seat orifice to coordinate with rear valve base 41, both sides are connected with left valve gap 32, right valve gap 33 in processing bolt hole respectively respectively, the fastening left valve gap 32 of studding bolt 60, nut 61, right valve gap 33, lower guide peg 40 is afterbody guiding, stem packing 62 is for the sealing of valve rod 39 and the sealing of left valve gap 32, lower guide peg 40 and right valve gap 33, gripper shoe 63 is for supporting two front valve seats 64, and lower guide peg 40 leads for valve plate 36.
Hydraulic operated valve remote control operation platform, controls hydraulic remotely-controlled valve, and during by 37 oil-feed of oiling nozzle, piston 38 is with ovable valve stem 39 to move valve plate 36 and is moved to the left, valve open; When fuel-displaced by oil cylinder fluid delivery outlet 42, piston 38 is with ovable valve stem 39 to move valve plate 39 and is moved right, and valve closing, thus the object reaching closing well, realize the effect of Long-distance Control.
Left valve gap 32 is provided with stop-leak compound injection valve 65; Described right valve gap is provided with ball-and-seat 66.
Above-described embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.

Claims (7)

1. an intelligent shale gas device for fracturing wellhead, comprise the tubing head four-way be connected with well head, it is characterized in that: above described tubing head four-way upper port, be connected with the first manual flat gate valve, hydraulic remotely-controlled valve, the second flat gate valve, opposite-flushing type injection head and the 3rd flat gate valve in turn; The 4th flat gate valve and the 5th flat gate valve is connected successively respectively with on the adjacent both ends mouth of well head connected port at described tubing head four-way; By after Flange joint between described 4th flat gate valve and the 5th flat gate valve, flange is equipped with stop valve and pressure meter; Sealed suspension device is loaded in described tubing head four-way upper port.
2. intelligent shale gas device for fracturing wellhead according to claim 1, it is characterized in that: described opposite-flushing type injection head comprises the opposite-flushing type injection head body that both sides have a pair ear wing, be provided with in described opposite-flushing type injection head body pass into for oil pipe flow through passage; All have in described ear wing and the fracturing fluid runner hole flowing through passage and communicate; A union flange is all connected to above two ear wings; Described union flange upper end is connected with fracturing fluid flow meter by the tight cap of union.
3. intelligent shale gas device for fracturing wellhead according to claim 2, is characterized in that: described in flow through passage built with oil pipe protecting jacket.
4. the intelligent shale gas device for fracturing wellhead according to Claims 2 or 3, is characterized in that: be provided with resistance to erosion checkout gear below described opposite-flushing type injection head.
5. intelligent shale gas device for fracturing wellhead according to claim 4, is characterized in that: described resistance to erosion checkout gear is primarily of connecting the hex nut of setting, the section of being threaded and detection head successively; Described detection head is provided with erosion resistance and detects scale.
6. intelligent shale gas device for fracturing wellhead according to claim 1, is characterized in that: described hydraulic remotely-controlled valve comprises valve body, is connected to the left valve gap of valve body two side ends and right valve gap, the cylinder body be connected on left valve gap, is connected to the valve bonnet on right valve gap and arranges in valve body for blocking the valve plate of circulation; The valve rod being provided with oiling nozzle, piston in described cylinder body and being connected with piston, this valve rod other end is connected with valve plate one end; This valve plate other end is connected with lower guide peg.
7. intelligent shale gas device for fracturing wellhead according to claim 6, is characterized in that: on described left valve gap, be provided with stop-leak compound injection valve; Described right valve gap is provided with ball-and-seat.
CN201520692671.9U 2015-09-08 2015-09-08 Intelligent shale atmospheric pressure splits wellhead assembly Expired - Fee Related CN205000945U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520692671.9U CN205000945U (en) 2015-09-08 2015-09-08 Intelligent shale atmospheric pressure splits wellhead assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520692671.9U CN205000945U (en) 2015-09-08 2015-09-08 Intelligent shale atmospheric pressure splits wellhead assembly

Publications (1)

Publication Number Publication Date
CN205000945U true CN205000945U (en) 2016-01-27

Family

ID=55157840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520692671.9U Expired - Fee Related CN205000945U (en) 2015-09-08 2015-09-08 Intelligent shale atmospheric pressure splits wellhead assembly

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106368648A (en) * 2015-09-08 2017-02-01 建湖县鸿达阀门管件有限公司 Intelligent fracturing wellhead device for shale gas exploitation
CN111022016A (en) * 2019-11-22 2020-04-17 中国石油天然气集团有限公司 Hydraulic fracturing and production wellhead device and using method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106368648A (en) * 2015-09-08 2017-02-01 建湖县鸿达阀门管件有限公司 Intelligent fracturing wellhead device for shale gas exploitation
CN111022016A (en) * 2019-11-22 2020-04-17 中国石油天然气集团有限公司 Hydraulic fracturing and production wellhead device and using method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160127

Termination date: 20200908