CN203499618U - Gas drive oil production annular test decentralized wellhead device - Google Patents
Gas drive oil production annular test decentralized wellhead device Download PDFInfo
- Publication number
- CN203499618U CN203499618U CN201320655829.6U CN201320655829U CN203499618U CN 203499618 U CN203499618 U CN 203499618U CN 201320655829 U CN201320655829 U CN 201320655829U CN 203499618 U CN203499618 U CN 203499618U
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- Prior art keywords
- tubing head
- gate valve
- flat gate
- oil pipe
- head housing
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- 238000012360 testing method Methods 0.000 title abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000004519 grease Substances 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims description 15
- 238000005984 hydrogenation reaction Methods 0.000 claims description 12
- 229920006395 saturated elastomer Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a gas drive oil production annular test decentralized wellhead device. The device comprises a tubing head shell, a casing pipe, a first oil pipe, a second oil pipe, BT sealing rings, grease injection valves, a first flat gate valve, a second flat gate valve, screw thread flanges, a pressure gage stop valve and pressure gage assembly, a screwed plug, a tubing head four-way pipe, a multifunctional hanger, a central shaft hanger, a third flat gate valve and a wedge gate valve. The tubing head shell is connected with the casing pipe. The first flat gate valve and the second flat gate valve are arranged on the tubing head shell. The screw thread flanges are connected with the screwed plug and the pressure gage stop valve and pressure gage assembly. The tubing head four-way pipe is arranged above the tubing head shell, and the tubing head four-way pipe is connected with the third flat gate valve. The multifunctional hanger and the central shaft hanger are arranged inside the tubing head four-way pipe, the second oil pipe is hung on the multifunctional hanger, and the first oil pipe is hung on the central shaft hanger. The wedge gate valve is arranged on the top of the first oil pipe. The gas drive oil production annular test decentralized wellhead device can monitor the environmental change of underground strata of different depths through an annular test and improve production efficiency.
Description
Technical field
The utility model relates to a kind of petroleum machinery wellhead assembly, relates in particular to a kind of gas drive oil recovery annulus logging eccentric wellhead device.
Background technology
Tradition well head apparatus structure is simple, and function singleness, can not meet oil production technology with rapid changepl. never-ending changes and improvements and the demand of test technology.In tubing head, traditional mandrel type hanger can only carry out single tube suspension, often occurs being hampered, meeting the problems such as card under testing well in the process of complex environment, and the appearance of these problems has increased the input of manpower and materials, has also reduced production efficiency simultaneously.
Utility model content
The purpose of this utility model: a kind of gas drive oil recovery annulus logging eccentric wellhead device is provided, can monitors and understand in time down-hole situation by annulus logging.
To achieve these goals, the technical solution of the utility model is:
A gas drive oil recovery annulus logging eccentric wellhead device, comprises tubing head housing, sleeve pipe, the first oil pipe, the second oil pipe, a pair of BT sealing ring, four grease pouring valves, the first flat gate valve, the second flat gate valve, a pair of thread flange, stop valve for pressure gauge and pressure meter assemblies, plug, tubing head four-way, Multifunctional hanging device, mandrel hanger, the 3rd flat gate valve and Wedge Gate Valves; The bottom of described tubing head housing connects by flange, and the top of described tubing head housing connects by flange; The bottom of described tubing head housing is connected with described bobbin seal by two described BT sealing rings, and four described grease pouring valves are connected with two described BT sealing rings, and four described grease pouring valves inject stop-leak compound in two described BT sealing rings; The first described flat gate valve and the second flat gate valve are separately positioned on left side and the right side of described tubing head housing, described a pair of thread flange is connected to the first described flat gate valve and the outside of the second flat gate valve by flange respectively, the described thread flange that is positioned at described tubing head housing left side is connected with described plug, and the described thread flange that is positioned at described tubing head housing right side is connected with pressure meter assembly with described stop valve for pressure gauge; Described tubing head four-way is arranged on the top of described tubing head housing, and described tubing head four-way is connected with the 3rd described flat gate valve by flange; In described tubing head four-way, be provided with described Multifunctional hanging device and mandrel hanger, the second described oil pipe suspension is on described Multifunctional hanging device, and the first described oil pipe suspension is on described mandrel hanger; Described Wedge Gate Valves is arranged on the top of the first described oil pipe, and the first described oil pipe and the second oil pipe are inserted in respectively in described tubing head housing and tubing head four-way.
Above-mentioned gas drive oil recovery annulus logging eccentric wellhead device, wherein, described Multifunctional hanging device and described casing head spool bottom seal by the gasket ring of the fine material of high saturated hydrogenation fourth, and annular space sealing seals by the fine sealing rubber ring of the saturated hydrogenation fourth of height.
Above-mentioned gas drive oil recovery annulus logging eccentric wellhead device, wherein, gasket ring by the fine material of high saturated hydrogenation fourth between described mandrel hanger and described Multifunctional hanging device seals, and annular space sealing seals by the fine sealing rubber ring of the saturated hydrogenation fourth of height.
Above-mentioned gas drive oil recovery annulus logging eccentric wellhead device, wherein, described mandrel hanger upper end is connected with gate valve.
The utility model has been broken through the restriction that traditional wellhead assembly recovers the oil, tests a pipe, centralized procurement oil, test function are in one and non-interference, solved in the process of complex environment under testing well, often occur be hampered, meet the problems such as card, can by annulus logging, monitor at any time the environmental change of different depth down-hole formation, understand in real time down-hole situation, be convenient to formulate pilot production prediction scheme, improved to a great extent production efficiency.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model gas drive oil recovery annulus logging eccentric wellhead device.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model.
Refer to shown in accompanying drawing 1, a gas drive oil recovery annulus logging eccentric wellhead device, comprises tubing head housing 1, sleeve pipe 2, the first oil pipe 3, the second oil pipe 4, a pair of BT sealing ring 5, four grease pouring valves 6, the first flat gate valve 7, the second flat gate valve 8, a pair of thread flange 9, stop valve for pressure gauge and pressure meter assembly 10, plug 11, tubing head four-way 12, Multifunctional hanging device 13, mandrel hanger 14, the 3rd flat gate valve 15 and Wedge Gate Valves 16, the bottom of described tubing head housing 1 connects by 11 in-5000psi flanges of API 6A standard, and the top of described tubing head housing 1 connects by 7 1/16in-5000psi flanges of API 6A standard, the bottom of described tubing head housing 1 is tightly connected by two described BT sealing rings 5 and described sleeve pipe 2, four described grease pouring valves 6 are connected with two described BT sealing rings 5, four described grease pouring valves 6 are to the described interior injection stop-leak compound of two BT sealing rings 5, by the pressure raising sealing effectiveness of stop-leak compound, the first flat gate valve 7 and the second flat gate valve 8 are flat gate valves of two PFF 2 9/16in-5000psi, be mainly used to control the break-make of runner, the first described flat gate valve 7 and the second flat gate valve 8 are separately positioned on left side and the right side of described tubing head housing 1, described a pair of thread flange 9 is connected to the first described flat gate valve 7 and the outside of the second flat gate valve 8 by 2 9/16in-5000psi flanges of API 6A standard respectively, the described thread flange 9 that is positioned at described tubing head housing 1 left side is connected with described plug 11, when well cementing operation, plug 11 can be unloaded to connection pipeline, to discharge mud during well cementing operation, the described thread flange 9 that is positioned at described tubing head housing 1 right side is connected with pressure meter assembly 10 with described stop valve for pressure gauge, down-hole pressure while being used for observation well cementation, described tubing head four-way 12 is arranged on the top of described tubing head housing 1, described tubing head four-way 12 is connected with described PFF 2 9/16in-5000psi the 3rd flat gate valve 15 by 2 9/16in-5000psi flanges of API 6A standard, and while being mainly used to cement the well, mud is injected in on-tube alignment down-hole, in described tubing head four-way 12, be provided with described Multifunctional hanging device 13 and mandrel hanger 14, the second described oil pipe 4 is suspended on described Multifunctional hanging device 13, the first described oil pipe 3 is suspended on described mandrel hanger 14, the first oil pipe 3 is mainly used to recover the oil, gas injection operation, the first oil pipe 3 can be connected pipeline directly to the down-hole injecting CO 2 displacement of reservoir oil when injecting CO 2 displacement of reservoir oil operation, and the first oil pipe 3 is the pipeline of oil recovery oil circuit when oil producing operation, described Wedge Gate Valves 16 is arranged on the top of the first described oil pipe 3, the second oil pipe 4 is mainly used to can open when carrying out annulus logging by Wedge Gate Valves 16 gate valve and is lowered to downhole tool and carries out annulus logging operation, and the first described oil pipe 3 and the second oil pipe 4 are inserted in respectively in described tubing head housing 1 and tubing head four-way 12.
Described Multifunctional hanging device 13 seals with the gasket ring of described casing head spool 12 bottoms by the fine material of high saturated hydrogenation fourth, annular space sealing adopts the fine sealing rubber ring of high saturated hydrogenation fourth to seal, good through test sealing effectiveness, can meet job requirements.
Gasket ring by the fine material of high saturated hydrogenation fourth between described mandrel hanger 14 and described Multifunctional hanging device 13 seals, and annular space sealing adopts the fine sealing rubber ring of high saturated hydrogenation fourth to seal, good through test sealing effectiveness.
Described mandrel hanger 14 upper ends are connected with gate valve 17, open gate valve 17 and connect pipeline operations when oil recovery, gas injection operation.
In sum, the utility model has been broken through the restriction that traditional wellhead assembly recovers the oil, tests a pipe, centralized procurement oil, test function are in one and non-interference, solved in the process of complex environment under testing well, often occur be hampered, meet the problems such as card, can by annulus logging, monitor at any time the environmental change of different depth down-hole formation, understand in real time down-hole situation, be convenient to formulate pilot production prediction scheme, improved to a great extent production efficiency.
Claims (4)
1. a gas drive oil recovery annulus logging eccentric wellhead device, is characterized in that: comprise tubing head housing (1), sleeve pipe (2), the first oil pipe (3), the second oil pipe (4), a pair of BT sealing ring (5), four grease pouring valves (6), the first flat gate valve (7), the second flat gate valve (8), a pair of thread flange (9), stop valve for pressure gauge and pressure meter assembly (10), plug (11), tubing head four-way (12), Multifunctional hanging device (13), mandrel hanger (14), the 3rd flat gate valve (15) and Wedge Gate Valves (16); The bottom of described tubing head housing (1) connects by flange, and the top of described tubing head housing (1) connects by flange; The bottom of described tubing head housing (1) is tightly connected by described two BT sealing rings (5) and described sleeve pipe (2), described four grease pouring valves (6) are connected with described two BT sealing rings (5), and described four grease pouring valves (6) inject stop-leak compound in described two BT sealing rings (5); Described the first flat gate valve (7) and the second flat gate valve (8) are separately positioned on left side and the right side of described tubing head housing (1), described a pair of thread flange (9) is connected to described the first flat gate valve (7) and the outside of the second flat gate valve (8) by flange respectively, the described thread flange (9) that is positioned at described tubing head housing (1) left side is connected with described plug (11), and the described thread flange (9) that is positioned at described tubing head housing (1) right side is connected with pressure meter assembly (10) with described stop valve for pressure gauge; Described tubing head four-way (12) is arranged on the top of described tubing head housing (1), and described tubing head four-way (12) is connected with the 3rd described flat gate valve (15) by flange; In described tubing head four-way (12), be provided with described Multifunctional hanging device (13) and mandrel hanger (14), it is upper that described the second oil pipe (4) is suspended on described Multifunctional hanging device (13), and described the first oil pipe (3) is suspended on described mandrel hanger (14); Described Wedge Gate Valves (16) is arranged on the top of described the first oil pipe (3), and described the first oil pipe (3) and the second oil pipe (4) are inserted in respectively in described tubing head housing (1) and tubing head four-way (12).
2. gas drive oil recovery annulus logging eccentric wellhead device according to claim 1, it is characterized in that: described Multifunctional hanging device (13) seals with the gasket ring of described casing head spool (12) bottom by the fine material of high saturated hydrogenation fourth, and annular space sealing seals by the fine sealing rubber ring of the saturated hydrogenation fourth of height.
3. gas drive oil recovery annulus logging eccentric wellhead device according to claim 1, it is characterized in that: the gasket ring by the fine material of high saturated hydrogenation fourth between described mandrel hanger (14) and described Multifunctional hanging device (13) seals, annular space sealing seals by the fine sealing rubber ring of the saturated hydrogenation fourth of height.
4. gas drive oil recovery annulus logging eccentric wellhead device according to claim 1, is characterized in that: described mandrel hanger (14) upper end is connected with gate valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320655829.6U CN203499618U (en) | 2013-10-23 | 2013-10-23 | Gas drive oil production annular test decentralized wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320655829.6U CN203499618U (en) | 2013-10-23 | 2013-10-23 | Gas drive oil production annular test decentralized wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203499618U true CN203499618U (en) | 2014-03-26 |
Family
ID=50330607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320655829.6U Expired - Fee Related CN203499618U (en) | 2013-10-23 | 2013-10-23 | Gas drive oil production annular test decentralized wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203499618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781524A (en) * | 2016-01-07 | 2016-07-20 | 马志 | Whole-working-condition annulus test wellhead device |
| CN114526047A (en) * | 2021-12-31 | 2022-05-24 | 中国石油天然气集团有限公司 | Underground coal gasification method and system, injection wellhead device and related application |
-
2013
- 2013-10-23 CN CN201320655829.6U patent/CN203499618U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781524A (en) * | 2016-01-07 | 2016-07-20 | 马志 | Whole-working-condition annulus test wellhead device |
| CN114526047A (en) * | 2021-12-31 | 2022-05-24 | 中国石油天然气集团有限公司 | Underground coal gasification method and system, injection wellhead device and related application |
| CN114526047B (en) * | 2021-12-31 | 2024-05-17 | 中国石油天然气集团有限公司 | Underground coal gasification method and system, injection wellhead device and related applications |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20140326 |