CN106812493A - Multi-pipe thermal recovery wellhead device - Google Patents
Multi-pipe thermal recovery wellhead device Download PDFInfo
- Publication number
- CN106812493A CN106812493A CN201510873191.7A CN201510873191A CN106812493A CN 106812493 A CN106812493 A CN 106812493A CN 201510873191 A CN201510873191 A CN 201510873191A CN 106812493 A CN106812493 A CN 106812493A
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- China
- Prior art keywords
- multitube
- thermal recovery
- pipe
- well head
- sealing
- 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.)
- Pending
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 34
- 238000013459 approach Methods 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 26
- 210000004907 gland Anatomy 0.000 claims description 17
- 238000009434 installation Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000011900 installation process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
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)
- Pipeline Systems (AREA)
Abstract
The invention provides a multitube thermal recovery wellhead assembly, comprising: the steam injection pipeline is provided with an inlet section and a sealing section, and a widening section is arranged in the inlet section; a seal portion entering the seal section through the entry section. Through setting up the widened part in getting into the section, for the installation of sealing provides more spaces, effectively avoided the collision that sealing took place in the installation, guaranteed the sealing performance of sealing.
Description
Technical field
The present invention relates to mechanical oil recovery apparatus field, in particular to a kind of multitube thermal recovery well head device.
Background technology
At present, oil field shallow heavy oil development is thick, super in face of spy using the maturation main process such as steam single well stimulation and the area displacement of reservoir oil
Inspissated pool exploitation has not been applied to using steam soak and area oil extraction methods, and in recent years, SAGD and fireflood are applied in oil field successively
Etc. external advanced thickened oil recovery technique, needed for site technique, it is extremely urgent to develop special type thick oil thermal production well mouth device, such as
Wellheadpressure operation, coiled tubing is with pressure to put a series of problems such as operation, the sealing of well head thermal recovery mushroom head suspension, it would be highly desirable to solve.
The correlation technique one of existing Patent No. ZL201120284618.7, because the oil pipe grease head highness of three pipe of wellhead assembly nine is high,
Steam injection pipe steam injection string sealed suspension aspect of performance is not fine, and Operating Pressure locus is nervous, in shaft collar design, is hanged
Hang sealing shortcoming integrality, the later stage using restricted casing programme influence, enter under three pipe tubular column structures it is more difficult, this to well head suspension
The reliability requirement of sealing is very high, should tube post suspending weight realize sealing, but under level of production well Wellhead steam injection pipe steam injection string
In the case of not in place, suspending weight sealing cannot be realized, carrying out tubing string using increase steam injection pipe gland is forced into sealed suspension position,
In installation process, due to steam injecting pipe insufficient space, after steam injection pipe hanger seal assembly is subject to unbalanced pressurization external force,
Seal assembly is caused to be damaged, in circulation preheating steam injection process, tubing string is heated upper top, the sealing between influence steam injection string and sleeve pipe
Performance.
The correlation technique two of Patent No. ZL201310103403.4, steam injection and test use coiled tubing in technology two, it is contemplated that
Current coiled tubing material is commonly carbon steel, therefore in thermal recovery operating mode, and coiled tubing bears HTHP for a long time, service life compared with
It is short.
The content of the invention
It is a primary object of the present invention to provide a kind of multitube thermal recovery well head device, to solve steam injection pipe hanger of the prior art
The problem that installation easily collides.
To achieve these goals, according to an aspect of the invention, there is provided a kind of multitube thermal recovery well head device, including：Oil
Tube head, is provided with steam injecting pipe on tubing head, steam injecting pipe is provided with approach section and seal section, those widened sections are provided with approach section；
Sealing, sealing enters seal section by approach section.
Further, one end near approach section of steam injecting pipe is provided with steam injection pipe list flange；Multitube thermal recovery well head device is also wrapped
Gland is included, gland is arranged in approach section, the first end of gland is connected on steam injection pipe list flange, and the second end of gland is connected to
On sealing.
Further, the internal diameter of seal section is less than the internal diameter of approach section, and sealing is adapted with seal section.
Further, sealing is steam injection pipe hanger.
Further, tubing head also includes main pipeline, the axis of main pipeline and the diameter parallel of steam injecting pipe, the length of main pipeline
More than the length of steam injecting pipe.
Further, the first lateral, the first lateral and main pipeline vertical connection are provided with the side wall of main pipeline；Note
Second branched pipe road, second branched pipe road and steam injecting pipe vertical connection are provided with the side wall in steam pipe road；Tubing head also includes surveying
Test tube road, is provided with Three branched pipe road, Three branched pipe road and test pipeline communication on the side wall for testing pipeline.
Further, multitube thermal recovery well head device also includes：Supervisor's gate valve, supervisor's gate valve is connected with the first lateral；Steam injection
Sluice valve, steam injection sluice valve is connected with second branched pipe road；Test sluice valve, test sluice valve is connected with Three branched pipe road.
Further, crossover flange is responsible for, supervisor's crossover flange is connected to the upper end of main pipeline；Threeway, the first end of threeway is led to
Supervisor's crossover flange is crossed to be connected with the first end of main pipeline；Total gate valve, total gate valve is connected to the second end of threeway；Oil pipe gate valve,
Oil pipe gate valve is connected to the 3rd end of threeway.
Further, the axis of main pipeline and steam injecting pipe is away from the range of 210mm to 220mm, the upper end of main pipeline with
The difference in height of the upper end of steam injecting pipe is in the range of 240mm to 250mm.
Further, those widened sections are annular space of the width not less than 18mm.
Apply the technical scheme of the present invention, multitube thermal recovery well head device of the invention includes tubing head and sealing, is set on tubing head
Steam injecting pipe is equipped with, steam injecting pipe is provided with approach section and seal section, those widened sections are provided with approach section, sealing is by entering
Section enters seal section, in real work, by the those widened sections being arranged in approach section, for the installation of sealing provide it is more
Space, effectively prevent the collision that sealing occurs in installation process, it is ensured that the sealing property of sealing.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the overall structure figure of multitube thermal recovery well head device of the invention；
Fig. 2 diagrammatically illustrates the overall structure figure of the tubing head of multitube thermal recovery well head device of the invention；And
Fig. 3 diagrammatically illustrates the upward view of the tubing head of multitube thermal recovery well head device of the invention.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, tubing head；11st, steam injecting pipe；111st, second branched pipe road；112nd, steam injection sluice valve；12nd, pipeline is tested；122、
Test sluice valve；13rd, main pipeline；131st, the first lateral；132nd, it is responsible for gate valve；20th, sealing；30th, gland；
40th, steam injection pipe list flange；50th, threeway；51st, total gate valve；52nd, oil pipe gate valve；60th, it is responsible for crossover flange.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to shown in Fig. 1 to Fig. 3, according to one embodiment of present invention there is provided a kind of multitube thermal recovery well head device, the present invention
Multitube thermal recovery well head device include tubing head 10 and sealing 20, steam injecting pipe 11, steam injecting pipe are provided with tubing head 10
11 are provided with approach section and seal section, and those widened sections are provided with approach section, and sealing 20 enters seal section by approach section, in reality
In the work of border, by the those widened sections being arranged in approach section, for the installation of sealing 20 provides more spaces, it is prevented effectively from
The collision that sealing 20 occurs in installation process, it is ensured that the sealing property of sealing 20.Above-mentioned those widened sections are to enter
The annular space expanded in the former space basis of section, its object is to reduce the probability that sealing 20 collides in installation process,
Preferably, those widened sections are annular space of the width not less than 18mm.
Wherein, one end near approach section of the steam injecting pipe 11 in the present invention is provided with steam injection pipe list flange 40, multitube thermal production well
Mouth device also includes gland 30, and gland 30 is arranged in approach section, and the first end of gland 30 is connected on steam injection pipe list flange 40,
Second end of gland 30 is connected on sealing 20.Just as mentioned in the background, sealing of the prior art more than 20
Sealed using suspending weight, i.e., be sealed against in steam injecting pipe 11 by the weight of the oil pipe being connected to below sealing 20, but
Under many execution conditions, oil pipe attached below can not hang in the borehole, but directly contact foot of hole,
That is, oil pipe can not be pulled by gravity to sealing 20, it is sealed being fixed on seal section.
In view of above-mentioned reason, the gland 30 with substrate hold-down function, gland 30 are there is also mounted in the steam injecting pipe 11 in the present invention
Lower end sealing 20 is extruded, it is fixed in seal section, when sealing 20 can not be entered by oil pipe self gravitation
During row sealing, gland 30 can effectively ensure the sealing property of sealing 20.
Preferably, it is contemplated that coiled tubing bears HTHP for a long time, service life is shorter, connection oil in tubing head lower section of the present invention
Pipe rather than coiled tubing.
Preferably, the internal diameter of seal section is less than the internal diameter of approach section, and sealing 20 is adapted with seal section.Sealing 20 needs
Enter seal section by approach section, so the internal diameter of approach section is more than into seal section, ensure the same of the sealing function of sealing 20
When, it is also possible to facilitate the installation of sealing 20.
Preferably, sealing 20 is steam injection pipe hanger.
Tubing head 10 in the present invention also includes main pipeline 13, the axis of main pipeline 13 and the diameter parallel of steam injecting pipe 11, main
Length of the length of pipeline 13 more than steam injecting pipe 11.In real work, thermal recovery well head device needs to meet different work need
Ask, multitube thermal recovery well head device of the invention is provided with steam injecting pipe 11 and main pipeline 13, respectively becomes steam injection job platform and master
Pipe job platform, the need for ultra-thick oil thermal excavating technology technology can be met to production and steam injection, it is ensured that thermal recovery well of super heavy oil is just
Often while production, other acquisition functions are realized.
Wherein, be provided with the first lateral 131 on the side wall of the main pipeline 13 in the present embodiment, the first lateral 131 with
The vertical connection of main pipeline 13.Second branched pipe road 111, second branched pipe road 111 and note are provided with the side wall of steam injecting pipe 11
The vertical connection of steam pipe road 11.Tubing head 10 also includes test pipeline 12, and Three branched pipe is provided with the side wall for testing pipeline 12
Road, Three branched pipe road is connected with test pipeline 12.By setting test pipeline 12, make multitube thermal recovery well head device of the invention
With test jobs platform, test function is realized.In addition, by each lateral being arranged on each pipeline, further increasing
The use path of many each pipelines.
Preferably, multitube thermal recovery well head device of the invention can also set the pipeline of more than three to meet other construction requirements.
Preferably, the internal diameter of main pipeline 13 in the present invention isTo meet the requirement of supervisor's pipe string technology, steam injecting pipe 11
Internal diameter isMeet the requirement of steam injection pipe pipe string technology, the test internal diameter of pipeline 12 isBinding test pipeline 12
Threadingly root bores second passage of 11.5 ° of angle for bottom, increases the gross area of test pipeline 12, to ensure coiled tubing
Rountrip, steam injection pipe hanger seal configuration is combined using graphite and red copper, with good sealing property.Preferably,
Main pipeline 13, steam injecting pipe 11, the design of the test tube passage distributing position size of pipeline 12 3, the eccentric throw X-axis of main pipeline 13
- 107.5mm, Y-axis+10mm, steam injecting pipe 11 eccentric throw X-axis+107.5mm, Y-axis+10mm, test pipeline 12 are eccentric
Away from Y-axis -122mm, it is applied toSleeve pipe.
Preferably, multitube thermal recovery well head device of the invention also includes：Supervisor's gate valve 132, steam injection sluice valve 112, test pipe closer
Valve 122, supervisor's gate valve 132 is connected with the first lateral 131, and steam injection sluice valve 112 is connected survey with second branched pipe road 111
Test tube gate valve 122 is connected with Three branched pipe road.According to above-mentioned feature, the supervisor's gate valve 132 in the present embodiment can be to
One lateral 131 is controlled, and steam injection sluice valve 112 is controlled to second branched pipe road 111, tests sluice valve 122
Three branched pipe road is controlled.
Multitube thermal recovery well head device of the invention also includes supervisor's crossover flange 60, threeway 50, total gate valve 51 and oil pipe gate valve 52,
Supervisor's crossover flange 60 is connected to the upper end of main pipeline 13, and the first end of threeway 50 is by being responsible for crossover flange 60 and main pipeline
13 first end connection, total gate valve 51 is connected to the second end of threeway 50, and oil pipe gate valve 52 is connected to the 3rd end of threeway 50,
Increase main pipeline 13 and use path, and each path is realized to control.
Preferably, the axis of main pipeline 13 and steam injecting pipe 11 is away from the range of 210mm to 220mm, main pipeline 13 with
The difference in height of steam injecting pipe 11 is in 240mm to 250mm.By increasing the distance between axles between main pipeline 13 and steam injecting pipe 11,
Interference to each other when two pipeline enclosures work is reduced, makes each pipeline operations more effective.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：Multitube of the invention
Thermal recovery well head device includes tubing head and sealing, is provided with steam injecting pipe on tubing head, and steam injecting pipe is provided with approach section and close
Envelope section, is provided with those widened sections in approach section, sealing enters seal section by approach section, in real work, by being arranged on
Those widened sections in approach section, for the installation of sealing provides more spaces, effectively prevent sealing and are sent out in installation process
Raw collision, it is ensured that the sealing property of sealing.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for those skilled in the art
For, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of multitube thermal recovery well head device, it is characterised in that including：
Tubing head (10), is provided with steam injecting pipe (11) on the tubing head (10), the steam injecting pipe (11) sets
Approach section and seal section are equipped with, those widened sections are provided with the approach section；
Sealing (20), the sealing (20) enters the seal section by the approach section.
2. multitube thermal recovery well head device according to claim 1, it is characterised in that the steam injecting pipe (11) near described
One end of approach section is provided with steam injection pipe list flange (40)；
The multitube thermal recovery well head device also includes gland (30), and the gland (30) is arranged in the approach section, institute
The first end for stating gland (30) is connected in steam injection pipe list flange (40), and the second end of the gland (30) is connected to
On sealing (20).
3. multitube thermal recovery well head device according to claim 1, it is characterised in that the internal diameter of the seal section less than it is described enter
Enter the internal diameter of section, the sealing (20) is adapted with the seal section.
4. multitube thermal recovery well head device according to claim 1, it is characterised in that the sealing (20) is outstanding for steam injection pipe
Hanging device.
5. multitube thermal recovery well head device according to claim 1, it is characterised in that the tubing head (10) also includes supervisor
Road (13), the axis of the main pipeline (13) and the diameter parallel of the steam injecting pipe (11), the main pipeline (13)
Length more than the steam injecting pipe (11) length.
6. multitube thermal recovery well head device according to claim 5, it is characterised in that set on the side wall of the main pipeline (13)
It is equipped with the first lateral (131), first lateral (131) and the main pipeline (13) vertical connection；Institute
Second branched pipe road (111), the second branched pipe road (111) and institute are provided with the side wall for stating steam injecting pipe (11)
State steam injecting pipe (11) vertical connection；The tubing head (10) also includes test pipeline (12), test pipeline (12)
Side wall on be provided with Three branched pipe road, the Three branched pipe road is connected with test pipeline (12).
7. multitube thermal recovery well head device according to claim 6, it is characterised in that the multitube thermal recovery well head device also includes：
Supervisor's gate valve (132), supervisor's gate valve (132) is connected with first lateral (131)；
Steam injection sluice valve (112), the steam injection sluice valve (112) is connected with the second branched pipe road (111)；
Test sluice valve (122), test sluice valve (122) is connected with the Three branched pipe road.
8. multitube thermal recovery well head device according to claim 5, it is characterised in that the multitube thermal recovery well head device also includes：
Supervisor's crossover flange (60), supervisor's crossover flange (60) is connected to the upper end of the main pipeline (13)；
Threeway (50), the first end of the threeway (50) is by supervisor's crossover flange (60) and the main pipeline (13)
First end connection；
Total gate valve (51), the total gate valve (51) is connected to the second end of the threeway (50)；
Oil pipe gate valve (52), the oil pipe gate valve (52) is connected to the 3rd end of the threeway (50).
9. multitube thermal recovery well head device according to claim 5, it is characterised in that the main pipeline (13) and the steam injection
The axis of pipeline (11) away from the range of 210mm to 220mm, the upper end of the main pipeline (13) and the note
The difference in height of the upper end in steam pipe road (11) is in the range of 240mm to 250mm.
10. multitube thermal recovery well head device according to any one of claim 1 to 9, it is characterised in that the those widened sections are width
Annular space of the degree not less than 18mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510873191.7A CN106812493A (en) | 2015-12-02 | 2015-12-02 | Multi-pipe thermal recovery wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510873191.7A CN106812493A (en) | 2015-12-02 | 2015-12-02 | Multi-pipe thermal recovery wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106812493A true CN106812493A (en) | 2017-06-09 |
Family
ID=59105720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510873191.7A Pending CN106812493A (en) | 2015-12-02 | 2015-12-02 | Multi-pipe thermal recovery wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106812493A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661588A (en) * | 2018-06-23 | 2018-10-16 | 中国石油集团渤海石油装备制造有限公司 | A kind of Multi-pipe crossing high temperature test wellhead assembly |
| CN113250667A (en) * | 2021-06-17 | 2021-08-13 | 东营政阳自动化科技有限公司 | Thermal recovery wellhead assembly |
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|---|---|---|---|---|
| CN2191275Y (en) * | 1993-12-03 | 1995-03-08 | 泰兴市水泵厂 | High-pressure casinghead |
| CN2428566Y (en) * | 2000-05-19 | 2001-05-02 | 东营市朝阳通用机械有限责任公司 | Oil-production vapour-injection well mouth |
| CN201802339U (en) * | 2010-05-24 | 2011-04-20 | 中国石油天然气股份有限公司 | Horizontal Well Steam Injection Wellhead Sealing Device |
| CN202441305U (en) * | 2011-12-13 | 2012-09-19 | 薛飞 | Multipurpose wellhead device for stream injection and oil production |
| CN202531149U (en) * | 2012-02-16 | 2012-11-14 | 中国石油天然气股份有限公司 | Three-pipe thermal recovery wellhead device shell |
| CN103615199A (en) * | 2013-11-28 | 2014-03-05 | 中国石油天然气股份有限公司 | Three-pipe same-well-barrel oil extraction process equipment for steam injection, oil extraction and temperature and pressure real-time monitoring of horizontal well |
| CN203879441U (en) * | 2014-05-23 | 2014-10-15 | 什邡慧丰采油机械有限责任公司 | Jackscrew assembly structure for well head device |
| CN204175245U (en) * | 2014-10-20 | 2015-02-25 | 中国石油天然气股份有限公司 | Three-pipe wellhead device |
| CN205225151U (en) * | 2015-12-02 | 2016-05-11 | 中国石油天然气股份有限公司 | Multi-pipe thermal recovery wellhead device |
-
2015
- 2015-12-02 CN CN201510873191.7A patent/CN106812493A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191275Y (en) * | 1993-12-03 | 1995-03-08 | 泰兴市水泵厂 | High-pressure casinghead |
| CN2428566Y (en) * | 2000-05-19 | 2001-05-02 | 东营市朝阳通用机械有限责任公司 | Oil-production vapour-injection well mouth |
| CN201802339U (en) * | 2010-05-24 | 2011-04-20 | 中国石油天然气股份有限公司 | Horizontal Well Steam Injection Wellhead Sealing Device |
| CN202441305U (en) * | 2011-12-13 | 2012-09-19 | 薛飞 | Multipurpose wellhead device for stream injection and oil production |
| CN202531149U (en) * | 2012-02-16 | 2012-11-14 | 中国石油天然气股份有限公司 | Three-pipe thermal recovery wellhead device shell |
| CN103615199A (en) * | 2013-11-28 | 2014-03-05 | 中国石油天然气股份有限公司 | Three-pipe same-well-barrel oil extraction process equipment for steam injection, oil extraction and temperature and pressure real-time monitoring of horizontal well |
| CN203879441U (en) * | 2014-05-23 | 2014-10-15 | 什邡慧丰采油机械有限责任公司 | Jackscrew assembly structure for well head device |
| CN204175245U (en) * | 2014-10-20 | 2015-02-25 | 中国石油天然气股份有限公司 | Three-pipe wellhead device |
| CN205225151U (en) * | 2015-12-02 | 2016-05-11 | 中国石油天然气股份有限公司 | Multi-pipe thermal recovery wellhead device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661588A (en) * | 2018-06-23 | 2018-10-16 | 中国石油集团渤海石油装备制造有限公司 | A kind of Multi-pipe crossing high temperature test wellhead assembly |
| CN113250667A (en) * | 2021-06-17 | 2021-08-13 | 东营政阳自动化科技有限公司 | Thermal recovery wellhead assembly |
| CN113250667B (en) * | 2021-06-17 | 2021-11-12 | 胜利方兰德石油装备股份有限公司 | Thermal recovery wellhead assembly |
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