CN203783515U - Gas-drive production wellhead device - Google Patents
Gas-drive production wellhead device Download PDFInfo
- Publication number
- CN203783515U CN203783515U CN201420193426.9U CN201420193426U CN203783515U CN 203783515 U CN203783515 U CN 203783515U CN 201420193426 U CN201420193426 U CN 201420193426U CN 203783515 U CN203783515 U CN 203783515U
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- China
- Prior art keywords
- valve
- gate valve
- tubing head
- way
- flat gate
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 2
- 210000002445 nipple Anatomy 0.000 abstract 2
- 241000191291 Abies alba Species 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000000664 rectum Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001746 atrial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a gas-drive production wellhead device comprises a tubing head four-way valve, secondary sealing devices, a pressure test plug screw, a hanger, a double-male nipple, first flat gate valves, second flat gate valves, a pressure gauge stop valve component, an integral type flanged joint gas-drive gate valve, a third flat gate valve, a throttle control valve and a sucker rod blowout preventer, wherein the tubing head four-way valve is externally connected with a Christmas tree and a casing head; the secondary sealing devices, the pressure test plug screw, the hanger and the double-male nipple are arranged at the bottom of the tubing head four-way valve; the first flat gate valves and the second flat gate valves are mounted on two sides of the tubing head four-way valve, and the pressure gauge stop valve component is connected with the second flat gate valves; and the integral type flanged joint gas-drive gate valve is connected onto the tubing head four-way valve, the third flat gate valve is connected with the integral type flanged joint-gas drive gate valve and the throttle control valve, and the sucker rod blowout preventer is connected with an upper flat valve. The gas-drive production wellhead device has the advantages that the extraction difficulty is reduced, the cost is saved, the extraction is clean and pollution-free, the working efficiency is improved, and the personal safety of an operator is guaranteed.
Description
Technical field
The utility model relates to a kind of petroleum machinery wellhead assembly, relates in particular to a kind of gas drive wellhead for production.
Background technology
Along with the raising day by day of the level of national development and people life, China is also increasing to the demand of oil every year.Oil is that the plant in time immemorial is embedded in the formation in millions of years of underground process after crustal movement, and the oil in stratum, after being utilized by human development, within considerable time, can not be regenerated, and therefore we are divided into oil in the middle of non-renewable resources conventionally.It is low weight that crude oil under our earth's surface has, more easily exploitation; Some comparison thickness, development difficulty is large, cost is high, have a big risk, when under earth's surface, crude oil is more sufficient in the past, we first exploit those than the crude oil that is easier to exploitation, but along with our country is compared with the minimizing gradually of light crude resource, we have to start to exploit the viscous crude of those more difficult exploitations now.
In the oil exploitation in oil field, viscous crude has special high viscosity and high-solidification point characteristic, wants heavy crude producing, first will reduce the viscosity of viscous crude.Current wellhead for production generally adopts after injecting chemical viscosity reduction agent in stratum and reduce the viscosity of viscous crude and exploits, to a certain extent severe contamination has been caused in stratum.
Utility model content
The purpose of this utility model: a kind of gas drive wellhead for production is provided, can increases work efficiency, reduce exploitation difficulty, improve safety, cleanliness without any pollution.
To achieve these goals, the technical solution of the utility model is:
A kind of gas drive wellhead for production, comprises that tubing head four-way, two secondary sealers, pressure testing plug screw, hanger, double male joint, a pair of the first flat gate valve, a pair of the second flat gate valve, stop valve for pressure gauge assembly, integral flange connect gas drive gate valve, the 3rd flat gate valve, throttling control valve and pumping rod blowout preventer; The top and bottom of described tubing head four-way are respectively by the external production tree of bolt and casing head, the bottom of described tubing head four-way is provided with twice 5 1/2BT seal grooves, two described secondary sealers respectively adaptation are arranged in the twice 5 1/2BT seal grooves of described tubing head four-way, described pressure testing plug screw is arranged in described tubing head four-way, is positioned at a side of two described secondary sealers; Described hanger and double male joint are coaxially arranged on respectively in described tubing head four-way, and described double male joint is connected to the below of described hanger, and described hanger is by described double male joint suspension sleeve; Described a pair of the first flat gate valve is arranged on respectively a side of described tubing head four-way, described a pair of the second flat gate valve is arranged on respectively the opposite side of described tubing head four-way, described a pair of the first flat gate valve and described a pair of the second flat gate valve are about described tubing head four-way symmetry, and described stop valve for pressure gauge assembly is arranged on the side of the second described flat gate valve; Described integral flange connects gas drive gate valve and is connected on described tubing head four-way, described integral flange connects gas drive gate valve and is connected and composed by upper flat plate valve, hydraulic pressure Remote control valve and lower flap type, one end of the 3rd described flat gate valve is connected to described integral flange and connects on gas drive gate valve, between described upper flat plate valve and described hydraulic pressure Remote control valve, the other end of the 3rd described flat gate valve is connected with described throttling control valve, and described pumping rod blowout preventer is connected to the upper end of described upper flat plate valve.
Above-mentioned gas drive wellhead for production, wherein, described upper flat plate valve, hydraulic pressure Remote control valve and lower flap type connect from top to bottom and connect, and described upper flat plate valve, hydraulic pressure Remote control valve and lower flap type are structure as a whole.
Above-mentioned gas drive wellhead for production, wherein, the side of the first described flat gate valve is provided with plug.
Above-mentioned gas drive wellhead for production, wherein, described tubing head four-way is provided with gasket ring with the junction that described integral flange is connected gas drive gate valve, and described tubing head four-way is connected gas drive Gate-valve sealing and connects with described integral flange by described gasket ring.
The utility model can improve viscous crude activity, reduces thick oil viscosity, and the mobility of viscous crude is strengthened, and has reduced the difficulty of exploitation, has saved cost of winning, and cleanliness without any pollution, has improved operating efficiency; Can be according to field operation personnel need the different control mode of choice for use, if can open and close by rotation hand wheel control at operation field, can also realize Long-distance Control by hydraulic pump and open and close, if field operation personnel can far distance controlled wellhead assembly in the situation of downhole conditions sudden change; There is better resistance to elevated temperatures and good seal performance, reduced operating cost; Can there is emergency case in later stage oil producing operation process time, shunt in a well in time by the flashboard of closing on pumping rod blowout preventer, improved the safety factor of operation, greatly ensured operating personnel's personal safety.
Brief description of the drawings
Fig. 1 is the front view of the utility model gas drive wellhead for production.
Detailed description of the invention
Further illustrate embodiment of the present utility model below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1, a kind of gas drive wellhead for production, comprises that tubing head four-way 1, two secondary sealers 2, pressure testing plug screw 3, hanger 4, double male joint 5, a pair of the first flat gate valve 6, a pair of the second flat gate valve 7, stop valve for pressure gauge assembly 9, integral flange connect gas drive gate valve 11, the 3rd flat gate valve 12, throttling control valve 13 and pumping rod blowout preventer 14, tubing head four-way 1 is the transition apparatus of adapter sleeve tube head and production tree, the top and bottom of described tubing head four-way 1 are respectively by the external production tree of bolt and casing head, the bottom of described tubing head four-way 1 is provided with twice 5 1/2BT seal grooves, two described secondary sealers 2 respectively adaptation are arranged in the twice 5 1/2BT seal grooves of described tubing head four-way 1, effect is sealing 5 1/2 production strings, described pressure testing plug screw 3 is arranged in described tubing head four-way 1, be positioned at a side of two described secondary sealers 2, put when in use the secondary sealer 2 of two 5 1/2BT, open pressure testing plug screw 3, connecting stop-leak compound injection molding gun inwardly injects EM02 stop-leak compound and holds 5 1/2 production strings tightly in order to the secondary seal rotating shaft 2 of filling 5 1/2BT that rise, seal after tested after up to standard and screw pressure testing plug screw 3, sealing 5 1/2 sleeve pipe annular spaces are so just realized, described hanger 4 and double male joint 5 are coaxially arranged on respectively in described tubing head four-way 1, described double male joint 5 is connected to the below of described hanger 4, described hanger 4 hangs the sleeve pipe of 2 7/8UP TBG by described double male joint 5, hanger 4 adopts and hangs 2 7/8UP TBG hangers, it is the critical piece that hangs 2 7/8UP TBG working columns, working column is to underground injection high-temperature vapour, reduce after the viscosity of viscous crude, recover the oil by working column again, working column is oil thus, the unique channel that gas passes through, realize sealing 2 7/8UP TBG working column annular spaces by weight compression black box, so the hanger 4 of 2 7/8UP TBG and assembly thereof are the core components of whole gas drive wellhead for production, described a pair of the first flat gate valve 6 is arranged on respectively a side of described tubing head four-way 1, described a pair of the second flat gate valve 7 is arranged on respectively the opposite side of described tubing head four-way 1, described a pair of the first flat gate valve 6 and described a pair of the second flat gate valve 7 are about described tubing head four-way 1 symmetry, described stop valve for pressure gauge assembly 9 is arranged on the side of the second described flat gate valve 7, the break-make of the mud runner that when two first flat gate valves 6 on the left side are mainly used to by the handwheel control well cementing operation of changeover valve, shaft bottom is returned out, the pressure in shaft bottom when two second flat gate valves 7 on the right are mainly used to observe well cementing operation, bottom pressure index is the main standard of well shaft fixing technology reference, the second flat gate valve 7 is used for controlling the break-make of right atrial pressure monitoring runner, described integral flange connects gas drive gate valve 11 and is connected on described tubing head four-way 1, described integral flange connects gas drive gate valve 11 by upper flat plate valve 11-1, hydraulic pressure Remote control valve 11-2 and lower flap type 11-3 connect and compose, one end of the 3rd described flat gate valve 12 is connected to described integral flange and connects on gas drive gate valve 11, between described upper flat plate valve 11-1 and described hydraulic pressure Remote control valve 11-2, the other end of the 3rd described flat gate valve 12 is connected with described throttling control valve 13, the 3rd flat gate valve 12 adopts PFF65-35 flat gate valve, be mainly used to control the break-make of oil recovery path, by the keying of rotation hand wheel by-pass valve control, throttling control valve 13 adopts JLK65-35 throttling control valve, being mainly used to control the joint recovering the oil gathers, can control the size of runner by rotation hand wheel, can open large flow if need to increase oil production rate, all links all adopt flange bolt to connect, stable connection is firm, favorable sealing property, the rotation of throttling control valve 13 armrest wheels regulates the switch of flashboard, it is columniform valve rod that throttling control valve adopts top, there is good flowing properties, shake little advantage, spool and valve seat all adopt the wear-resisting and good Hardmetal materials of corrosion resistance to make, and can put upside down use, greatly increase the application life of choke valve, valve has larger valve body chamber and plunger valve cored structure, more common needle regulator has larger flow, vibration can alleviate throttling time, reduce noise, described pumping rod blowout preventer 14 is connected to the upper end of described upper flat plate valve 11-1, it is the critical piece that connects production tree and oil pumper, in the course of work at ordinary times, can ensure the sealing of sucker rod and production tree structure, the flashboard that can cut out in time on pumping rod blowout preventer 14 in the time there is emergency case holds sucker rod tightly, improve the safety of operation.The first flat gate valve 6, the second flat gate valve 7 and the 3rd flat gate valve 12 adopt PFF65-35 flat gate valve.
Described upper flat plate valve 11-1, hydraulic pressure Remote control valve 11-2 and lower flap type 11-3 connect from top to bottom and connect, and described upper flat plate valve 11-1, hydraulic pressure Remote control valve 11-2 and lower flap type 11-3 are structure as a whole.Upper flat plate valve 11-1, hydraulic pressure Remote control valve 11-2 and lower flap type 11-3 are respectively equivalent to a deck valve door, upper flat plate valve 11-1 is equivalent to lower flap type 11-3 the valve that vertical latus rectum is 65mm, the break-make of the main latus rectum of major control, if upper flat plate valve 11-1 and lower flap type 11-3 wherein have one to break down, can close other one, ensure the safety of operation, upper flat plate valve 11-1 and lower flap type 11-3 can only pass through the break-make of handwheel hand Screw control runner, in the time there is emergency, field operation personnel operate dangerous, design a urgent gate valve---hydraulic pressure Remote control valve 11-2, hydraulic pressure Remote control valve 11-2 is by hydraulic pressure Long-distance Control, in the break-make that gas drive gate valve 11 main latus rectums occur in emergency circumstances can connect by Remote Hydraulic console control integral flange, the structure design of integral type makes the structure of whole production tree compacter, forging ratio is the 1Cr13 forged steel material of 1:2.5, forging flaw detection meets JB/T4730.3-II level non-destructive testing standard, sealing performance is higher, compressive strength is larger, easy to use, life-span is long, ensured operating personnel's personal safety simultaneously, only need once mounting, improve operating efficiency, all-in-one-piece structure design makes the structure of device compacter simultaneously, stable equilibrium's property is better, maintenance maintenance is convenient.
The side of the first described flat gate valve 6 is provided with plug 8.
Described tubing head four-way 1 is connected gas drive gate valve 11 junction with described integral flange is provided with gasket ring 10, described tubing head four-way 1 is connected gas drive gate valve 11 by described gasket ring 10 with described integral flange and is tightly connected, gasket ring 10 adopts R46 gasket ring, belong to from compressing gasket ring, in the process compressing, ensure sealing performance, ensured the safety of gas injection, oil producing operation.
In sum, the utility model can improve viscous crude activity, reduces thick oil viscosity, and the mobility of viscous crude is strengthened, and has reduced the difficulty of exploitation, has saved cost of winning, and cleanliness without any pollution, has improved operating efficiency; Can be according to field operation personnel need the different control mode of choice for use, if can open and close by rotation hand wheel control at operation field, can also realize Long-distance Control by hydraulic pump and open and close, if field operation personnel can far distance controlled wellhead assembly in the situation of downhole conditions sudden change; There is better resistance to elevated temperatures and good seal performance, reduced operating cost; Can there is emergency case in later stage oil producing operation process time, shunt in a well in time by the flashboard of closing on pumping rod blowout preventer, improved the safety factor of operation, greatly ensured operating personnel's personal safety.
Claims (4)
1. a gas drive wellhead for production, is characterized in that: comprise that tubing head four-way, two secondary sealers, pressure testing plug screw, hanger, double male joint, a pair of the first flat gate valve, a pair of the second flat gate valve, stop valve for pressure gauge assembly, integral flange connect gas drive gate valve, the 3rd flat gate valve, throttling control valve and pumping rod blowout preventer; The top and bottom of described tubing head four-way are respectively by the external production tree of bolt and casing head, the bottom of described tubing head four-way is provided with twice 5 1/2BT seal grooves, two described secondary sealers respectively adaptation are arranged in the twice 5 1/2BT seal grooves of described tubing head four-way, described pressure testing plug screw is arranged in described tubing head four-way, is positioned at a side of two described secondary sealers; Described hanger and double male joint are coaxially arranged on respectively in described tubing head four-way, and described double male joint is connected to the below of described hanger, and described hanger is by described double male joint suspension sleeve; Described a pair of the first flat gate valve is arranged on respectively a side of described tubing head four-way, described a pair of the second flat gate valve is arranged on respectively the opposite side of described tubing head four-way, described a pair of the first flat gate valve and described a pair of the second flat gate valve are about described tubing head four-way symmetry, and described stop valve for pressure gauge assembly is arranged on the side of the second described flat gate valve; Described integral flange connects gas drive gate valve and is connected on described tubing head four-way, described integral flange connects gas drive gate valve and is connected and composed by upper flat plate valve, hydraulic pressure Remote control valve and lower flap type, one end of the 3rd described flat gate valve is connected to described integral flange and connects on gas drive gate valve, between described upper flat plate valve and described hydraulic pressure Remote control valve, the other end of the 3rd described flat gate valve is connected with described throttling control valve, and described pumping rod blowout preventer is connected to the upper end of described upper flat plate valve.
2. gas drive wellhead for production according to claim 1, it is characterized in that: described upper flat plate valve, hydraulic pressure Remote control valve and lower flap type connect from top to bottom and connect, described upper flat plate valve, hydraulic pressure Remote control valve and lower flap type are structure as a whole.
3. gas drive wellhead for production according to claim 1, is characterized in that: the side of the first described flat gate valve is provided with plug.
4. gas drive wellhead for production according to claim 1, it is characterized in that: described tubing head four-way is provided with gasket ring with the junction that described integral flange is connected gas drive gate valve, described tubing head four-way is connected gas drive Gate-valve sealing and connects with described integral flange by described gasket ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193426.9U CN203783515U (en) | 2014-04-18 | 2014-04-18 | Gas-drive production wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193426.9U CN203783515U (en) | 2014-04-18 | 2014-04-18 | Gas-drive production wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783515U true CN203783515U (en) | 2014-08-20 |
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ID=51319715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420193426.9U Expired - Fee Related CN203783515U (en) | 2014-04-18 | 2014-04-18 | Gas-drive production wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783515U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266156A (en) * | 2018-04-04 | 2018-07-10 | 盐城雄威石化通用机械设备有限公司 | A kind of high temperature and pressure wellhead for production |
| CN114016946A (en) * | 2021-11-24 | 2022-02-08 | 陕西延长石油金石钻采设备有限公司 | A wellhead device for CO2 flooding oil production |
| CN115467641A (en) * | 2022-09-27 | 2022-12-13 | 陕西延长石油金石钻采设备有限公司 | Fracturing is oil recovery well head for flowing well |
| CN119686676A (en) * | 2023-09-25 | 2025-03-25 | 中国石油天然气股份有限公司 | Gas production wellhead |
-
2014
- 2014-04-18 CN CN201420193426.9U patent/CN203783515U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266156A (en) * | 2018-04-04 | 2018-07-10 | 盐城雄威石化通用机械设备有限公司 | A kind of high temperature and pressure wellhead for production |
| CN114016946A (en) * | 2021-11-24 | 2022-02-08 | 陕西延长石油金石钻采设备有限公司 | A wellhead device for CO2 flooding oil production |
| CN115467641A (en) * | 2022-09-27 | 2022-12-13 | 陕西延长石油金石钻采设备有限公司 | Fracturing is oil recovery well head for flowing well |
| CN119686676A (en) * | 2023-09-25 | 2025-03-25 | 中国石油天然气股份有限公司 | Gas production wellhead |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |