CN208534444U - 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
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- CN208534444U CN208534444U CN201820972066.0U CN201820972066U CN208534444U CN 208534444 U CN208534444 U CN 208534444U CN 201820972066 U CN201820972066 U CN 201820972066U CN 208534444 U CN208534444 U CN 208534444U
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- side wall
- reducing joint
- passage lanes
- tubing string
- hanger
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Abstract
The utility model relates to gasifying underground coal production technique field, in particular 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 seals 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 utility model realizes and can complete multi-pipeline and pass through and effectively seal, and sealing is safe and reliable, can use under high temperature, high pressure, deep-etching operating condition, have while infusing oxygen, water filling, steam injection, gas production and test function.
Description
Technical field:
The utility model relates to gasifying underground coal production technique field, in particular to a kind of Multi-pipe crossing high temperature side well testing
Mouth device.
Background technique:
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 ISC technique wellhead assembly to complete multi-pass and passing through and reliably seal, however existing ISC technique wellhead assembly
It is unable to satisfy this demand.
Utility model content:
The technical problem to be solved by the present invention is to provide a kind of Multi-pipe crossing high temperature test wellhead assembly, the device is real
Multi-pipeline can be completed by, which having showed, passes through and effectively seals, and sealing is safe and reliable, can make under high temperature, high pressure, deep-etching operating condition
With having while infusing oxygen, water filling, steam injection, gas production and test function.Overcome existing ISC technique wellhead assembly be unable to complete it is more
The logical deficiency passed through and reliably sealed.
Technical solution adopted in the utility model 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 seals between tubing head four-way inner wall, hanger lower end connected pipes,
Tubing head four-way upper end connects reducing joint, and reducing joint upper end connects production tree component, is arranged on reducing joint side wall a plurality of
Passage lanes are provided with a plurality of passage lanes corresponding with a plurality of passage lanes of reducing joint, reducing on hanger side wall
Every passage lanes inlet of connector is arranged at the outer wall step of reducing joint, and every passage lanes of reducing joint are equal
Penetrate a root canal column, side wall passage lanes of the tubing string Jing Guo reducing joint, hanger side wall passage lanes be crossing to oil pipe
Between casing inside annular space, every root canal column is sealed with reducing joint side wall passage lanes inlet, every root canal column with
It is sealed between hanger 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 suspension positioning component suspension, hangs positioning group
Part includes that 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 utility model are: the utility model realizes and can complete multi-pipeline and pass through and effectively seal,
Sealing is safe and reliable, can use under high temperature, high pressure, deep-etching operating condition, have while infusing oxygen, water filling, steam injection, gas production and survey
Try function.
Detailed description of the invention:
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment:
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
One root canal column, 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 root canal column is sealed with 4 side wall passage lanes inlet of reducing joint, every root canal column and 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 the suspension suspension of positioning component 6
Component 6 includes that 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 between side wall passage lanes by nonmetallic sealing mechanism.
It is close that tubing string II 10, tubing string III 11, tubing string IV 12 with 4 side wall passage lanes inlet of reducing joint pass through 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 sealing.
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 being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment, those skilled in the art should understand that, it still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect;Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (5)
1. a kind of Multi-pipe crossing high temperature test wellhead assembly, including tubing head four-way (1);It is characterized by: 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 root canal column, the tubing string by reducing joint (4) side wall passage lanes,
The side wall passage lanes of hanger (2) are crossing between oil pipe (8) and casing inside annular space, every root canal column and reducing joint (4)
Side wall passage lanes inlet is sealed, and is sealed between every root canal column 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) suspension 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 between device (2) side wall passage lanes by nonmetallic sealing mechanism.
4. Multi-pipe crossing high temperature test wellhead assembly according to claim 2, it is characterised in that: the tubing string II (10),
It is close that tubing string III (11), tubing string IV (12) with reducing joint (4) side wall passage lanes inlet pass through 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 sealing.
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 |
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CN201820972066.0U CN208534444U (en) | 2018-06-23 | 2018-06-23 | A kind of Multi-pipe crossing high temperature test wellhead assembly |
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CN201820972066.0U CN208534444U (en) | 2018-06-23 | 2018-06-23 | A kind of Multi-pipe crossing high temperature test wellhead assembly |
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CN208534444U true CN208534444U (en) | 2019-02-22 |
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CN201820972066.0U Active CN208534444U (en) | 2018-06-23 | 2018-06-23 | A kind of Multi-pipe crossing high temperature test wellhead assembly |
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Cited By (1)
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 |
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2018
- 2018-06-23 CN CN201820972066.0U patent/CN208534444U/en active Active
Cited By (1)
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 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20201106 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Address before: 124209 Red Village street, Xinglongtai District, Liaoning, Panjin Patentee before: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. |