CN113417592A - Novel throw and drag for electric submersible pump well head christmas tree device - Google Patents
Novel throw and drag for electric submersible pump well head christmas tree device Download PDFInfo
- Publication number
- CN113417592A CN113417592A CN202110062603.4A CN202110062603A CN113417592A CN 113417592 A CN113417592 A CN 113417592A CN 202110062603 A CN202110062603 A CN 202110062603A CN 113417592 A CN113417592 A CN 113417592A
- Authority
- CN
- China
- Prior art keywords
- cable
- christmas tree
- hanger
- oil pipe
- submersible pump
- 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
- 241000191291 Abies alba Species 0.000 title claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
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
- 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
- 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
- E21B33/0407—Casing heads; Suspending casings or tubings in well heads with a suspended electrical cable
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)
- Earth Drilling (AREA)
Abstract
The invention discloses a novel throwing and fishing electric submersible pump wellhead Christmas tree device, which comprises: the device comprises a cable hanger, a tubing head, a tubing hanger, a lifting flange, an adapter, a Christmas tree, a cable connector, a cable socket, a nut and a sealing ring. The cable hanger is connected with a cable connector and a cable socket, and the cable connector is arranged in the lifting pipe and forms a seal with the lifting pipe. The lifting pipe is connected with an oil pipe head, an oil pipe hanger is arranged in the oil pipe head, and the oil pipe hanger is fixed by adopting a jackscrew. The oil pipe hanger hangs an oil pipe. The oil pipe head is connected with the adapter, the adapter is connected with the Christmas tree, and oil flows out through the Christmas tree. The novel throwing and fishing electric submersible pump wellhead Christmas tree device is about 2 times of the diameter of a suspendable oil pipe of the traditional wellhead Christmas tree device, so that the yield is improved, the suspension problem of a metal hard pipe combined cable device is solved, and the novel throwing and fishing electric submersible pump wellhead Christmas tree device has the advantages of safety, reliability, stable performance, long service life and the like.
Description
Technical Field
The invention relates to an oil production device, in particular to a novel throwing and fishing electric submersible pump wellhead Christmas tree device.
Background
Along with the requirement of increasing the production of an oil field, in the prior art, because a traditional wellhead Christmas tree device cannot be used for hanging a large-scale metal hard pipe combined cable device, the power of a used electric submersible pump is small, the drift diameter is small, and the drift diameter of a traditional oil pipe hanger hanging oil pipe and a Christmas tree assembly is small, so that the oil yield is limited.
Disclosure of Invention
The invention provides a novel casting and fishing electric submersible pump wellhead Christmas tree device which can be used for hanging a large-scale electric submersible pump and has the advantages of large drift diameter, high yield, safety, reliability and stable performance.
The working principle of the invention is as follows: a novel throwing and fishing electric submersible pump wellhead Christmas tree device comprises a Christmas tree assembly, a lifting flange, an oil pipe head assembly and a cable hanger which are sequentially arranged from top to bottom; an adapter assembly is arranged between the lifting flange and the Christmas tree assembly; the flow area of the raised flange is more than or equal to 38.5 square inches; a metal hard tube combined cable is suspended in the cable hanger; the upper end of the cable hanger is provided with a cable connector and a cable socket; the cable joint is arranged in the lifting flange and forms a seal with the lifting flange; an oil pipe hanger is arranged in the oil pipe head assembly; a symmetrical double-slip structure is adopted in the cable hanger; a metal sealing ring is arranged in the cable hanger; the cable hanger suspends a cable size of 1.5 inches or more.
Further, the method comprises the following steps: the cable hanger is sequentially provided with a union connection, an adaptive connection and a slip assembly from bottom to bottom; the union is connected with the union nut through a connecting pipe; the union is connected with an O-shaped ring; the slip assembly comprises slips, a slip seat and a slip gland; the two groups of slips are symmetrically arranged on the upper side and the lower side of the slip seat; the upper slips are compressed through a packing gland; and the slips at the lower side are compressed by a slip gland.
Further, the method comprises the following steps: the metal hard tube combined cable is clamped in the cable hanger through slips.
Further, the method comprises the following steps: the oil pipe hanger is fixed in the oil pipe head assembly through a jackscrew.
Further, the method comprises the following steps: the size of the oil pipe hanger suspension oil pipe is more than or equal to 7 inches; the oil pipe hanger adopts an air-tight thread buckle type.
Further, the method comprises the following steps: the large drift diameter of the Christmas tree assembly is more than 7 inches; the Christmas tree assembly gate valve adopts a ball screw structure.
The invention has the beneficial effects that: the cable hanger in the technical scheme can be used for hanging a large-scale metal hard pipe combined cable device with the length of more than 1.5 inches, so that the cable hanger can be matched with a large-scale submersible electric pump with the length of more than 7 inches, the requirement of hanging a cable device with the weight of more than 20 tons is met, and the phenomenon that the cable device is jacked up due to the pressure in a well can be prevented (the jacking force is prevented from being at least 30 tons). The metal spring sealing ring not only ensures the reliability of high-low pressure sealing, but also greatly prolongs the service life. The oil pipe hanger in the technical scheme can hang oil pipes of more than 7 inches, and meanwhile, the sealing effect during oil extraction or gas production is enhanced by adopting an air-tight thread buckle type; the novel production tree design is greater than 7 inches for big latus rectum design, increases substantially oil output, and the gate valve adopts the ball structure simultaneously, reduces production tree operation moment of torsion.
Drawings
FIG. 1 is a structural diagram of a Christmas tree device assembly of a wellhead of a novel throwing and fishing electric submersible pump;
fig. 2 is a schematic view of the construction of the cable hanger device.
Labeled as: 1. a cable hanger; 1.0, a metal hard tube combined cable; 1.1, a stud; 1.2, a nut; 1.3, a slip gland; 1.4, slips; 1.5, a slip seat; 1.6, a packing gland; 1.7, a metal sealing ring; 1.8, adaptive connection; 1.9, union connection; 1.10, union nut; 1.11, connecting pipes; 1.12, O-shaped ring; 2. an oil pipe head assembly; 3. an oil pipe hanger; 4. raising the flange; 5. a cable joint; 6. a cable socket; 7. positioning pins; 8. an adapter assembly; 9. a Christmas tree assembly; 10. a sleeve; 11. and (4) an oil pipe.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the novel throwing-fishing electric submersible pump wellhead christmas tree device comprises a christmas tree assembly 9, a lifting flange 4, a tubing head assembly 2 and a cable hanger 1 which are sequentially arranged from top to bottom; an adapter assembly 8 is arranged between the lifting flange 4 and the Christmas tree assembly 9; the flow area of the raised flange 4 is more than or equal to 38.5 square inches; a metal hard tube combined cable 1.0 is suspended in the cable hanger 1; the upper end of the cable hanger 1 is provided with a cable connector 5 and a cable socket 6; the cable joint 5 is arranged in the lifting flange 4 and forms a seal with the lifting flange 4; an oil pipe hanger 3 is arranged in the oil pipe head assembly 2; a symmetrical double-slip structure is adopted in the cable hanger 1, and bidirectional suspension of the cable is realized through the symmetrical double-slip structure; a metal sealing ring 1.7 is arranged in the cable hanger 1; the size of a suspended cable of the cable hanger 1 is larger than or equal to 1.5 inches, the cable hanger can be matched with a large-scale submersible pump with the length of more than 7 inches, the requirement of hanging a cable device with the weight of more than 20 tons is met, and meanwhile the phenomenon that the cable device is jacked up due to the pressure in a well can be prevented.
On the basis, the cable hanger 1 is sequentially provided with a union connection 1.9, an adaptive connection 1.8 and a slip assembly from bottom to bottom; the union connection 1.9 is sleeved with a connecting pipe 1.11 and a union nut 1.10; an O-shaped ring 1.12 is arranged on the union joint 1.9; the slip assembly comprises slips 1.4, a slip seat 1.5 and a slip gland 1.3; the slips 1.4 are divided into two groups and symmetrically arranged on the upper side and the lower side of the slip seat 1.5; the slips 1.4 on the upper side are tightly pressed through a packing gland 1.6; the slips 1.4 on the lower side are pressed by slip pressing covers 1.3.
On the basis, the metal hard tube combined type cable 1.0 is clamped in the cable hanger 1 through slips 1.4.
On the basis, the oil pipe hanger 3 is fixed in the oil pipe head assembly 2 through a jackscrew.
The traditional oil pipe hanger hangs oil pipe and is mostly 3 inches or 4 inches, and the oil pipe hanger among this technical scheme can hang oil pipe more than 7 inches, adopts airtight thread knot type simultaneously, and the sealed effect of reinforcing when oil recovery or gas production.
The drift diameter of traditional production tree is mostly 3 inches or 4 inches, and the big drift diameter of production tree assembly 9 among this technical scheme is greater than 7 inches, increases substantially oil output, and the gate valve adopts the ball structure simultaneously, can reduce production tree operating torque.
The above embodiments should not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent transformations fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel throw and drag for electric submersible pump well head production tree device which characterized in that: comprises a Christmas tree assembly (9), a lifting flange (4), a tubing head component (2) and a cable hanger (1) which are arranged from top to bottom in sequence; an adapter assembly (8) is arranged between the lifting flange (4) and the Christmas tree assembly (9); the flow area of the lifting flange (4) is more than or equal to 38.5 square inches; a metal hard tube combined cable (1.0) is suspended in the cable hanger (1); the upper end of the cable hanger (1) is provided with a cable connector (5) and a cable socket (6); the cable joint (5) is arranged in the lifting flange (4) and forms a seal with the lifting flange (4); an oil pipe hanger (3) is arranged in the oil pipe head assembly (2); a symmetrical double-slip structure is adopted in the cable hanger (1); a metal sealing ring (1.7) is arranged in the cable hanger (1); the cable hanger (1) is used for hanging cables with the size of more than or equal to 1.5 inches.
2. The novel salvage electric submersible pump wellhead Christmas tree device as claimed in claim 1, wherein: the cable hanger (1) is sequentially provided with a union connection (1.9), an adaptive connection (1.8) and a slip assembly from bottom to bottom; the union connection (1.9) is sleeved with a connecting pipe (1.11) and a union nut (1.10); an O-shaped ring (1.12) is arranged on the union connection (1.9); the slip assembly comprises slips (1.4), a slip seat (1.5) and a slip gland (1.3); the two groups of slips (1.4) are symmetrically arranged on the upper side and the lower side of the slip seat (1.5); the slips (1.4) on the upper side are compressed through a packing gland (1.6); the slips (1.4) on the lower side are pressed through slip pressing covers (1.3).
3. The novel salvage electric submersible pump wellhead Christmas tree device as claimed in claim 2, wherein: the metal hard tube combined cable (1.0) is clamped in the cable hanger (1) through slips (1.4).
4. The novel salvage electric submersible pump wellhead Christmas tree device as claimed in claim 1, wherein: the oil pipe hanger (3) is fixed in the oil pipe head assembly (2) through a jackscrew.
5. The novel salvage electric submersible pump wellhead Christmas tree device as claimed in claim 1, wherein: the oil pipe hanger (3) is used for hanging an oil pipe with the size being more than or equal to 7 inches; the oil pipe hanger (3) is in an air-tight threaded buckle type.
6. The novel salvage electric submersible pump wellhead Christmas tree device as claimed in claim 1, wherein: the large drift diameter of the Christmas tree assembly (9) is more than 7 inches; the gate valve of the Christmas tree assembly (9) adopts a ball screw structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062603.4A CN113417592A (en) | 2021-01-18 | 2021-01-18 | Novel throw and drag for electric submersible pump well head christmas tree device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062603.4A CN113417592A (en) | 2021-01-18 | 2021-01-18 | Novel throw and drag for electric submersible pump well head christmas tree device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113417592A true CN113417592A (en) | 2021-09-21 |
Family
ID=77711749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110062603.4A Pending CN113417592A (en) | 2021-01-18 | 2021-01-18 | Novel throw and drag for electric submersible pump well head christmas tree device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113417592A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753799A (en) * | 2021-12-31 | 2022-07-15 | 中国石油天然气集团有限公司 | Cable suspension sealing device, system, use method and application |
-
2021
- 2021-01-18 CN CN202110062603.4A patent/CN113417592A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753799A (en) * | 2021-12-31 | 2022-07-15 | 中国石油天然气集团有限公司 | Cable suspension sealing device, system, use method and application |
| CN114753799B (en) * | 2021-12-31 | 2024-04-30 | 中国石油天然气集团有限公司 | Cable suspension sealing device, system, use method and application |
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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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230421 Address after: No. 16, Xihenggang Street, Yangchenghu Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215138 Applicant after: Suzhou Dawson Drilling and Production Equipment Co.,Ltd. Address before: 215137 Taiping Town, Suzhou, Jiangsu, Xiangcheng District Applicant before: SUZHOU DOUSON DRILLING & PRODUCTION EQUIPMENT Co.,Ltd. |