CN111734337A - High-temperature electric pump oil production testing wellhead device - Google Patents
High-temperature electric pump oil production testing wellhead device Download PDFInfo
- Publication number
- CN111734337A CN111734337A CN202010570012.3A CN202010570012A CN111734337A CN 111734337 A CN111734337 A CN 111734337A CN 202010570012 A CN202010570012 A CN 202010570012A CN 111734337 A CN111734337 A CN 111734337A
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- cable
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- electric pump
- testing
- hanger
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- 238000012360 testing method Methods 0.000 title claims abstract description 105
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000000725 suspension Substances 0.000 claims description 12
- 241000191291 Abies alba Species 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 abstract description 9
- 238000010796 Steam-assisted gravity drainage Methods 0.000 abstract description 5
- 230000035515 penetration Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 26
- 239000010779 crude oil Substances 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect 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
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003027 oil sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- 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
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- 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
-
- 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
- E21B43/2406—Steam assisted gravity drainage [SAGD]
-
- 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
- E21B47/06—Measuring temperature or pressure
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- 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)
- Geophysics (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the technical field of high-temperature electric submersible pump SAGD process well lifting oil extraction, in particular to a high-temperature electric pump oil extraction testing wellhead device. The device comprises a tubing head; the hanger is located in the oil pipe head, multiple sealing is adopted between the hanger and the inner wall of the oil pipe head, the oil pipe is hung in the center of the hanger, and a horizontal section testing cable channel I, a cable penetrating device channel I and an electric pump inlet testing cable channel I are formed in the hanger. The invention realizes the use under the working conditions of high temperature and high pressure, has the functions of oil extraction and test, completes the multi-channel penetration and high-temperature sealing, can penetrate a plurality of test cables to different underground positions to accurately monitor the operation of the electric pump, and has safe and reliable sealing.
Description
The technical field is as follows:
the invention relates to the technical field of high-temperature electric submersible pump SAGD process well lifting oil extraction, in particular to a high-temperature electric pump oil extraction testing wellhead device.
Background art:
the high-temp. electric submersible pump is a rodless underground mechanical oil-extracting equipment, and its function is to pump the underground liquid to ground.
The SAGD process Steam Assisted Gravity Drainage (Steam Assisted Gravity Drainage) is an effective technique for achieving heavy oil and oil sand recovery. According to the technology, high-temperature steam is continuously injected into a stratum to heat an oil reservoir, the viscosity of heated crude oil is remarkably reduced, the crude oil flows into a production well below a steam injection well under the action of gravity, and the crude oil is lifted to the ground.
The process needs to accurately monitor the temperature and pressure data of the inlet, the outlet and the horizontal section of the electric submersible pump in real time so as to adjust the operation parameters of the electric submersible pump at any time. Meanwhile, the multi-channel penetration of the submersible electric pump penetrator and the test cable is required to be completed, and high-temperature sealing is realized, so that the requirement cannot be met by the conventional product.
The invention content is as follows:
the technical problem to be solved by the invention is to provide the high-temperature electric pump oil extraction testing wellhead device, which is used under the working conditions of high temperature and high pressure, has the functions of oil extraction and testing, completes multi-channel penetration and high-temperature sealing, can penetrate through a plurality of testing cables to different positions underground, accurately monitors the operation of the electric pump, and is safe and reliable in sealing. The defects that the existing wellhead device cannot complete multi-channel penetration of the submersible electric pump penetrator and the test cable and realize high-temperature sealing are overcome.
The technical scheme adopted by the invention is as follows: a high-temperature electric pump oil production testing wellhead device comprises an oil pipe head; the hanger is located in the oil pipe head, multiple sealing is adopted between the hanger and the inner wall of the oil pipe head, the oil pipe is hung in the center of the hanger, and a horizontal section testing cable channel I, a cable traversing device channel I and an electric pump inlet testing cable channel I are formed in the hanger;
the reducing joint is located above the oil pipe head, a main channel is arranged in the center of the reducing joint, three inclined through channels are arranged on the reducing joint, the three inclined through channels are respectively a horizontal section testing cable channel II, a cable through device channel II and an electric pump inlet testing cable channel II, the horizontal section testing cable channel II, the cable through device channel II and the electric pump inlet testing cable channel II are respectively and correspondingly communicated with the horizontal section testing cable channel I, the cable through device channel I and the electric pump inlet testing cable channel I, a horizontal section testing cable suspension sealing assembly is designed on the horizontal section testing cable channel II, and sealing assemblies are respectively arranged in the horizontal section testing cable channel I, the cable through device channel I, the electric pump inlet testing cable channel I, the cable through device channel II and the electric pump inlet testing cable channel II;
the production tree is located the reducing and connects the top, and charge pump export test cable hangs sealing assembly and sets up on the production tree, and charge pump export test cable hangs sealing assembly and includes flange joint, charge pump export test cable hangs assembly, charge pump export test cable sealing assembly, and charge pump export test cable hangs sealing assembly and is connected with the production tree through flange joint, sets up charge pump export test cable and hangs assembly and charge pump export test cable sealing assembly in the flange joint.
The multiple sealing between the hanger and the inner wall of the tubing head is realized by adopting a plurality of sealing rings.
The left side is equipped with horizontal segment test cable channel I on the hanger, and the right side is equipped with cable pass through ware passageway I on the hanger, and the hanger upside is equipped with charge pump entry test cable channel I.
The invention has the beneficial effects that: the invention realizes the use under the working conditions of high temperature and high pressure, has the functions of oil extraction and test, completes the multi-channel penetration and high-temperature sealing, can penetrate a plurality of test cables to different underground positions to accurately monitor the operation of the electric pump, and has safe and reliable sealing.
Description of the drawings:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the hanger.
The specific implementation mode is as follows:
as shown in fig. 1 and 2, a high-temperature electric pump oil recovery testing wellhead device comprises a tubing head 1; the hanger 2 is located in the oil pipe head 1, multiple sealing is adopted between the hanger 2 and the inner wall of the oil pipe head 1, the oil pipe is hung in the center of the hanger 2, and a horizontal section testing cable channel I12, a cable pass-through device channel I13 and an electric pump inlet testing cable channel I5 are formed in the hanger 2;
the reducing joint 3 is positioned above the tubing head 1, the center of the reducing joint 3 is provided with a main channel, the reducing joint 3 is provided with three inclined through channels, the three oblique crossing channels are respectively a horizontal section testing cable channel II, a cable crossing device channel II 6 and an electric pump inlet testing cable channel II, the horizontal section testing cable channel II, the cable crossing device channel II 6 and the electric pump inlet testing cable channel II are respectively correspondingly communicated with a horizontal section testing cable channel I12, a cable crossing device channel I13 and an electric pump inlet testing cable channel I5, a horizontal section testing cable suspension sealing component 4 is designed on the horizontal section testing cable channel II, and sealing components are respectively arranged in the horizontal section testing cable channel I12, the cable crossing device channel I13, the electric pump inlet testing cable channel I5, the cable crossing device channel II 6 and the electric pump inlet testing cable channel II;
the Christmas tree 7 is located above the reducing joint 3, the electric pump outlet test cable suspension sealing assembly 8 is arranged on the Christmas tree 7, the electric pump outlet test cable suspension sealing assembly 8 comprises a flange joint 9, an electric pump outlet test cable suspension assembly 10 and an electric pump outlet test cable sealing assembly 11, the electric pump outlet test cable suspension sealing assembly 8 is connected with the Christmas tree 7 through the flange joint 9, and the electric pump outlet test cable suspension assembly 10 and the electric pump outlet test cable sealing assembly 11 are arranged in the flange joint 9. The electric pump outlet test cable suspension sealing assembly 8 suspends a sealed test cable, and the test cable reaches the electric pump outlet through an oil pipe, so that the temperature and pressure of the electric pump outlet are monitored.
The multiple sealing between the hanger 2 and the inner wall of the tubing head 1 adopts a plurality of sealing rings for sealing.
The left side is equipped with horizontal segment test cable channel I12 on the hanger 2, and the right side is equipped with cable and passes through ware passageway I13 on the hanger 2, and 2 upsides of hanger are equipped with charge pump entry test cable channel I5.
When the wellhead device is used, the oil pipe head 1 is assembled firstly, and a flange at the bottom of the oil pipe head 1 is fastened with a casing head by bolts. And then an oil feeding pipe is connected with a hanger 2, the hanger 2 is sealed and seated in an oil pipe head 1, a horizontal section test cable passes through a horizontal section test cable suspension sealing assembly 4, a horizontal section test cable channel II and a horizontal section test cable channel I12 and is fed to the tail end of the horizontal section, the temperature and pressure monitoring of the horizontal section is realized, and the horizontal section test cable is respectively sealed with the horizontal section test cable suspension sealing assembly 4, the horizontal section test cable channel II and the horizontal section test cable channel I12. The electric pump inlet testing cable penetrates through the electric pump inlet testing cable channel II and the electric pump inlet testing cable channel I5 and then enters the electric pump inlet through the outer side of the oil pipe, the temperature and the pressure of the electric pump inlet are monitored, and the electric pump inlet testing cable is sealed with the electric pump inlet testing cable channel II and the electric pump inlet testing cable channel I5 respectively. And the cable penetrator channel II 6 and the cable penetrator channel I13 are arranged in the cable penetrator and reach the motor interface of the electric pump through a cable arranged outside the oil pipe, and the cable penetrator respectively forms sealing with the cable penetrator channel II 6 and the cable penetrator channel I13.
Through the design of multi-channel arrangement and continuous oil pipe suspension sealing, the wellhead device can penetrate through a plurality of test cables to different positions of the underground electric submersible pump while meeting the process requirements of testing and oil extraction operation.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (3)
1. A high-temperature electric pump oil production testing wellhead device comprises an oil pipe head (1); the method is characterized in that: the hanger (2) is located in the oil pipe head (1), multiple sealing is adopted between the hanger (2) and the inner wall of the oil pipe head (1), the oil pipe is hung in the center of the hanger (2), and a horizontal section testing cable channel I (12), a cable traversing device channel I (13) and an electric pump inlet testing cable channel I (5) are formed in the hanger (2);
the reducing joint (3) is located above the oil pipe head (1), a main channel is arranged at the center of the reducing joint (3), three oblique crossing channels are arranged on the reducing joint (3), the three oblique crossing channels are respectively a horizontal section testing cable channel II, a cable crossing device channel II (6) and an electric pump inlet testing cable channel II, the horizontal section testing cable channel II, the cable crossing device channel II (6) and the electric pump inlet testing cable channel II are respectively communicated with a horizontal section testing cable channel I (12), a cable crossing device channel I (13) and an electric pump inlet testing cable channel I (5), a horizontal section testing cable suspension sealing assembly (4) is designed on the horizontal section testing cable channel II, the horizontal section testing cable channel I (12), the cable crossing device channel I (13), the electric pump inlet testing cable channel I (5), the cable crossing device channel II (6), Sealing components are respectively arranged in the electric pump inlet test cable channel II;
christmas tree (7) is located in reducing joint (3) top, charge pump export test cable hangs seal assembly (8) and sets up on Christmas tree (7), charge pump export test cable hangs seal assembly (8) including flange joint (9), charge pump export test cable hangs subassembly (10), charge pump export test cable seal assembly (11), charge pump export test cable hangs seal assembly (8) and is connected with Christmas tree (7) through flange joint (9), set up charge pump export test cable and hang subassembly (10) and charge pump export test cable seal assembly (11) in flange joint (9).
2. The high temperature electric pump oil recovery testing wellhead assembly according to claim 1, wherein: the multiple sealing between the hanger (2) and the inner wall of the tubing head (1) is realized by adopting a plurality of sealing rings.
3. The high temperature electric pump oil recovery testing wellhead assembly according to claim 1, wherein: the left side is equipped with horizontal segment test cable channel I (12) on hanger (2), and the right side is equipped with cable and passes through ware passageway I (13) on hanger (2), and hanger (2) upside is equipped with charge pump entry test cable channel I (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570012.3A CN111734337A (en) | 2020-06-21 | 2020-06-21 | High-temperature electric pump oil production testing wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570012.3A CN111734337A (en) | 2020-06-21 | 2020-06-21 | High-temperature electric pump oil production testing wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111734337A true CN111734337A (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010570012.3A Pending CN111734337A (en) | 2020-06-21 | 2020-06-21 | High-temperature electric pump oil production testing wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111734337A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458219A (en) * | 2021-01-05 | 2022-05-10 | 中国海洋石油集团有限公司 | Electric submersible pump cable wellhead traversing device applied to 370-DEG C thermal production well and traversing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030136556A1 (en) * | 2002-01-18 | 2003-07-24 | Cornelssen Michael James | Tubing hanger and adapter assembly |
| CN203961879U (en) * | 2014-07-14 | 2014-11-26 | 中国石油天然气股份有限公司 | Oil-submersible electric pump wellhead device |
| 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 |
| CN212508191U (en) * | 2020-06-21 | 2021-02-09 | 中国石油天然气集团有限公司 | High-temperature electric pump oil production testing wellhead device |
-
2020
- 2020-06-21 CN CN202010570012.3A patent/CN111734337A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030136556A1 (en) * | 2002-01-18 | 2003-07-24 | Cornelssen Michael James | Tubing hanger and adapter assembly |
| CN203961879U (en) * | 2014-07-14 | 2014-11-26 | 中国石油天然气股份有限公司 | Oil-submersible electric pump wellhead device |
| 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 |
| CN212508191U (en) * | 2020-06-21 | 2021-02-09 | 中国石油天然气集团有限公司 | High-temperature electric pump oil production testing wellhead device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458219A (en) * | 2021-01-05 | 2022-05-10 | 中国海洋石油集团有限公司 | Electric submersible pump cable wellhead traversing device applied to 370-DEG C thermal production well and traversing method thereof |
| CN114458219B (en) * | 2021-01-05 | 2023-07-28 | 中国海洋石油集团有限公司 | Electric submersible pump cable wellhead traversing device applied to 370 ℃ thermal production well and traversing method thereof |
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