CN108661588A - A kind of Multi-pipe crossing high temperature test wellhead assembly - Google Patents
A kind of Multi-pipe crossing high temperature test wellhead assembly Download PDFInfo
- Publication number
- CN108661588A CN108661588A CN201810655794.3A CN201810655794A CN108661588A CN 108661588 A CN108661588 A CN 108661588A CN 201810655794 A CN201810655794 A CN 201810655794A CN 108661588 A CN108661588 A CN 108661588A
- Authority
- CN
- China
- Prior art keywords
- tubing string
- side wall
- reducing joint
- passage lanes
- hanger
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 6
- 238000010793 Steam injection (oil industry) Methods 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005530 etching Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000013028 medium composition Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- 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
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
-
- 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
- E21B47/00—Survey of boreholes or wells
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention relates to gasifying underground coal production technique field, more particularly to a kind of Multi-pipe crossing high temperature test wellhead assembly.The hanger of the device is seated inside tubing head four-way and is sealed between tubing head four-way inner wall, hanger lower end connected pipes, tubing head four-way upper end connects reducing joint, reducing joint upper end connects production tree component, a plurality of passage lanes are set on reducing joint side wall, a plurality of passage lanes corresponding with a plurality of passage lanes of reducing joint are provided on hanger side wall.The present invention realizes and can complete multi-pipeline and pass through and effectively seal, and sealing is safe and reliable, can be used under high temperature, high pressure, deep-etching operating mode, have while noting oxygen, water filling, steam injection, gas production and test function.
Description
Technical field：
The present invention relates to gasifying underground coal production technique field, more particularly to a kind of Multi-pipe crossing high temperature test well head dress
It sets.
Background technology：
Gasifying underground coal (In-situ coal conversion) production practice is the coal by underground preservation in coal seam
It burns, be gasificated into coal gas, be transported to ground, as the energy or industrial chemicals.Technique injection, output medium composition are complicated, rotten
Corrosion is strong, while needing the completion of ISC technique wellhead assemblies is mostly logical to pass through and reliably seal, however existing ISC techniques wellhead assembly
It cannot be satisfied this demand.
Invention content：
The technical problem to be solved in the present invention is to provide a kind of Multi-pipe crossing high temperature test wellhead assembly, the arrangement achieves
It can complete multi-pipeline to pass through and effectively seal, sealing is safe and reliable, can use under high temperature, high pressure, deep-etching operating mode, has
It is standby to note oxygen, water filling, steam injection, gas production and test function simultaneously.Mostly logical pass through can not be completed by overcoming existing ISC techniques wellhead assembly
And the deficiency reliably sealed.
The technical solution used in the present invention is：A kind of Multi-pipe crossing high temperature test wellhead assembly, including tubing head four-way；
Hanger is seated inside tubing head four-way and is sealed between tubing head four-way inner wall, hanger lower end connected pipes, oil pipe
Head four-way upper end connects reducing joint, and reducing joint upper end connects production tree component, a plurality of pass through is arranged on reducing joint side wall
Channel is provided with a plurality of passage lanes corresponding with a plurality of passage lanes of reducing joint, reducing joint on hanger side wall
Every passage lanes inlet be arranged at the outer wall step of reducing joint, every passage lanes of reducing joint penetrate
A piece tubing string, side wall passage lanes of the tubing string Jing Guo reducing joint, hanger side wall passage lanes be crossing to oil pipe and set
Between pipe inside annular space, every tubing string is sealed with reducing joint side wall passage lanes inlet, every tubing string and suspension
It is sealed between device side wall passage lanes.
A passage lanes are arranged in reducing joint side side wall, which penetrates tubing string I；Reducing joint other side side
Wall is provided with three passage lanes, which respectively penetrates tubing string II, tubing string III and tubing string IV.
Tubing string I is located in reducing joint side wall passage lanes inlet by hanging positioning component suspension, hangs positioning group
Part, which includes fan-shaped flange and positioning component, positioning component, can be such that tubing string I is centered in reducing joint side wall passage lanes, tubing string
I is sealed with reducing joint side wall passage lanes inlet by nonmetallic seal assembly, tubing string I and hanger side wall passage lanes
Between sealed by nonmetallic sealing mechanism.
Tubing string II, tubing string III, tubing string IV and reducing joint side wall passage lanes inlet pass through metal sealing component respectively
Sealing, is sealed by metal sealing mechanism respectively between tubing string II, tubing string III, tubing string IV and hanger side wall passage lanes.
Every side wall passage lanes of reducing joint are angularly disposed, and each side wall passage lanes of hanger are axially set
It sets.
The beneficial effects of the invention are as follows：The present invention realizes and can complete multi-pipeline and pass through and effectively seal, sealing safety
Reliably, it can be used under high temperature, high pressure, deep-etching operating mode, have while noting oxygen, water filling, steam injection, gas production and test function.
Description of the drawings：
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode：
As shown in Figure 1, a kind of Multi-pipe crossing high temperature test wellhead assembly, including tubing head four-way 1；Hanger 2 is seated
1 inside of tubing head four-way simultaneously seals, 2 lower end connected pipes 8 of hanger between 1 inner wall of tubing head four-way, on tubing head four-way 1
End connection reducing joint 4,4 upper end of reducing joint connect production tree component 5, a plurality of passage lanes are arranged on 4 side wall of reducing joint,
A plurality of passage lanes corresponding with a plurality of passage lanes of reducing joint 4 are provided on 2 side wall of hanger, reducing joint 4
Every passage lanes inlet is arranged at the outer wall step of reducing joint 4, and every passage lanes of reducing joint 4 penetrate
A piece tubing string, side wall passage lanes of the tubing string Jing Guo reducing joint 4, hanger 2 side wall passage lanes be crossing to 8 and of oil pipe
Between casing inside annular space, every tubing string is sealed with 4 side wall passage lanes inlet of reducing joint, every tubing string with it is outstanding
It is sealed between 2 side wall passage lanes of hanging device.
A passage lanes are arranged in 4 side side wall of reducing joint, which penetrates tubing string I 9；Reducing joint 4 is another
Side side wall is provided with three passage lanes, which respectively penetrates tubing string II 10, tubing string III 11 and tubing string IV 12.
Tubing string I 9 is located in 4 side wall passage lanes inlet of reducing joint, suspension positioning by hanging the suspension of positioning component 6
Component 6, which includes fan-shaped flange and positioning component 7, positioning component 7, can make tubing string I 9 be centered in 4 side wall passage lanes of reducing joint
Interior, tubing string I 9 is sealed with 4 side wall passage lanes inlet of reducing joint by nonmetallic seal assembly, tubing string I 9 and hanger 2
It is sealed by nonmetallic sealing mechanism between side wall passage lanes.
Tubing string II 10, tubing string III 11, tubing string IV 12 and 4 side wall passage lanes inlet of reducing joint are close by metal respectively
Sealing assembly 3 seals, close by metal respectively between tubing string II 10,2 side wall passage lanes of tubing string III 11, tubing string IV 12 and hanger
Sealing mechanism seals.
Every side wall passage lanes of reducing joint 4 are angularly disposed, and each side wall passage lanes of hanger 2 are axial
Setting.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
Technical solution described in inventive embodiments, it will be understood by those of ordinary skill in the art that, still the present invention can be carried out
Modification or equivalent replacement, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (5)
1. a kind of Multi-pipe crossing high temperature test wellhead assembly, including tubing head four-way (1)；It is characterized in that：Hanger (2) is located
It seals in tubing head four-way (1) inside and between tubing head four-way (1) inner wall, hanger (2) lower end connected pipes (8), oil
Tube head four-way (1) upper end connects reducing joint (4), and reducing joint (4) upper end connects production tree component (5), reducing joint (4) side
A plurality of passage lanes are set on wall, are provided on hanger (2) side wall corresponding with a plurality of passage lanes of reducing joint (4)
Every passage lanes inlet of a plurality of passage lanes, reducing joint (4) is arranged at the outer wall step of reducing joint (4),
Every passage lanes of reducing joint (4) penetrate a tubing string, side wall passage lanes of the tubing string Jing Guo reducing joint (4),
The side wall passage lanes of hanger (2) are crossing to oil pipe (8) between casing inside annular space, every tubing string and reducing joint (4)
Side wall passage lanes inlet is sealed, and is sealed between every tubing string and hanger (2) side wall passage lanes.
2. Multi-pipe crossing high temperature test wellhead assembly described in accordance with the claim 1, it is characterised in that：The reducing joint (4)
A passage lanes are arranged in side side wall, which penetrates tubing string I (9)；Reducing joint (4) other side side wall is provided with three
Passage lanes, three passage lanes respectively penetrate tubing string II (10), tubing string III (11) and tubing string IV (12).
3. Multi-pipe crossing high temperature test wellhead assembly according to claim 2, it is characterised in that：The tubing string I (9) passes through
Suspension positioning component (6), which is hung, is located in reducing joint (4) side wall passage lanes inlet, and suspension positioning component (6) includes fan
Shape flange and positioning component (7), positioning component (7) can be such that tubing string I (9) is centered in reducing joint (4) side wall passage lanes,
Tubing string I (9) is sealed with reducing joint (4) side wall passage lanes inlet by nonmetallic seal assembly, tubing string I (9) and suspension
It is sealed by nonmetallic sealing mechanism between device (2) side wall passage lanes.
4. Multi-pipe crossing high temperature test wellhead assembly according to claim 2, it is characterised in that：The tubing string II (10),
Tubing string III (11), tubing string IV (12) and reducing joint (4) side wall passage lanes inlet are close by metal sealing component (3) respectively
Envelope, it is close by metal respectively between tubing string II (10), tubing string III (11), tubing string IV (12) and hanger (2) side wall passage lanes
Sealing mechanism seals.
5. Multi-pipe crossing high temperature test wellhead assembly described in accordance with the claim 1, it is characterised in that：The reducing joint (4)
Every side wall passage lanes it is angularly disposed, each side wall passage lanes of hanger (2) are axially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655794.3A CN108661588A (en) | 2018-06-23 | 2018-06-23 | A kind of Multi-pipe crossing high temperature test wellhead assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655794.3A CN108661588A (en) | 2018-06-23 | 2018-06-23 | A kind of Multi-pipe crossing high temperature test wellhead assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108661588A true CN108661588A (en) | 2018-10-16 |
Family
ID=63772774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810655794.3A Pending CN108661588A (en) | 2018-06-23 | 2018-06-23 | A kind of Multi-pipe crossing high temperature test wellhead assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108661588A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653700A (en) * | 2019-02-15 | 2019-04-19 | 中为(上海)能源技术有限公司 | For its operating method of the Modular high-temperature well head well control system of coal underground gasifying technology |
| CN111734337A (en) * | 2020-06-21 | 2020-10-02 | 中国石油天然气集团有限公司 | High-temperature electric pump oil production testing wellhead device |
| CN113464090A (en) * | 2021-08-10 | 2021-10-01 | 江苏益马机械有限公司 | Combined production tree for production well |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2846718Y (en) * | 2005-04-15 | 2006-12-13 | 鲍洪玉 | High temperature high pressure double pipe pole wellhead device |
| CN201087713Y (en) * | 2007-10-15 | 2008-07-16 | 辽河石油勘探局 | Injection-production integrated double tube thermal production well mouth device |
| CN101560878A (en) * | 2009-05-20 | 2009-10-21 | 辽河石油勘探局 | Horizontal well even steam injection and test wellhead device |
| CN102287156A (en) * | 2011-08-05 | 2011-12-21 | 中国石油天然气股份有限公司 | Concentric pipe wellhead device for exploiting thickened oil through steam assisted gravity drainage |
| CN103790541A (en) * | 2013-03-28 | 2014-05-14 | 中国石油天然气股份有限公司 | Three-position multifunctional three-tube wellhead device |
| WO2015077954A1 (en) * | 2013-11-28 | 2015-06-04 | 中国石油天然气股份有限公司 | Method for isothermal differential forced steam cyclic pre-heating for twin horizontal wells of mid-depth layer of oil reservoir |
| CN205805482U (en) * | 2016-06-15 | 2016-12-14 | 中海油能源发展股份有限公司 | A kind of thermal production well mouth liquid controling pipe line passes through sealing device |
| CN106812493A (en) * | 2015-12-02 | 2017-06-09 | 中国石油天然气股份有限公司 | Multitube thermal recovery well head device |
| US20180148989A1 (en) * | 2016-11-29 | 2018-05-31 | Jerry D. Ross | Tubing Hanger Assembly With Wellbore Access, and Method of Accessing a Wellbore |
| CN208534444U (en) * | 2018-06-23 | 2019-02-22 | 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 |
-
2018
- 2018-06-23 CN CN201810655794.3A patent/CN108661588A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2846718Y (en) * | 2005-04-15 | 2006-12-13 | 鲍洪玉 | High temperature high pressure double pipe pole wellhead device |
| CN201087713Y (en) * | 2007-10-15 | 2008-07-16 | 辽河石油勘探局 | Injection-production integrated double tube thermal production well mouth device |
| CN101560878A (en) * | 2009-05-20 | 2009-10-21 | 辽河石油勘探局 | Horizontal well even steam injection and test wellhead device |
| CN102287156A (en) * | 2011-08-05 | 2011-12-21 | 中国石油天然气股份有限公司 | Concentric pipe wellhead device for exploiting thickened oil through steam assisted gravity drainage |
| CN103790541A (en) * | 2013-03-28 | 2014-05-14 | 中国石油天然气股份有限公司 | Three-position multifunctional three-tube wellhead device |
| WO2015077954A1 (en) * | 2013-11-28 | 2015-06-04 | 中国石油天然气股份有限公司 | Method for isothermal differential forced steam cyclic pre-heating for twin horizontal wells of mid-depth layer of oil reservoir |
| CN106812493A (en) * | 2015-12-02 | 2017-06-09 | 中国石油天然气股份有限公司 | Multitube thermal recovery well head device |
| CN205805482U (en) * | 2016-06-15 | 2016-12-14 | 中海油能源发展股份有限公司 | A kind of thermal production well mouth liquid controling pipe line passes through sealing device |
| US20180148989A1 (en) * | 2016-11-29 | 2018-05-31 | Jerry D. Ross | Tubing Hanger Assembly With Wellbore Access, and Method of Accessing a Wellbore |
| CN208534444U (en) * | 2018-06-23 | 2019-02-22 | 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653700A (en) * | 2019-02-15 | 2019-04-19 | 中为(上海)能源技术有限公司 | For its operating method of the Modular high-temperature well head well control system of coal underground gasifying technology |
| CN109653700B (en) * | 2019-02-15 | 2023-06-23 | 中为(上海)能源技术有限公司 | Operation method of modularized high-temperature wellhead well control system for underground coal gasification process |
| CN111734337A (en) * | 2020-06-21 | 2020-10-02 | 中国石油天然气集团有限公司 | High-temperature electric pump oil production testing wellhead device |
| CN113464090A (en) * | 2021-08-10 | 2021-10-01 | 江苏益马机械有限公司 | Combined production tree for production well |
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Legal Events
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |
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| RJ01 | Rejection of invention patent application after publication |