CN114165195A - Well head intercommunication intensification control system - Google Patents
Well head intercommunication intensification control system Download PDFInfo
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- CN114165195A CN114165195A CN202111097671.0A CN202111097671A CN114165195A CN 114165195 A CN114165195 A CN 114165195A CN 202111097671 A CN202111097671 A CN 202111097671A CN 114165195 A CN114165195 A CN 114165195A
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- sleeve
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- pipe
- shell
- vertical shell
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 6
- 241000191291 Abies alba Species 0.000 claims description 6
- 230000002528 anti-freeze Effects 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 20
- 239000003129 oil well Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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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
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
-
- 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
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
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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)
- Earth Drilling (AREA)
Abstract
The invention relates to equipment for an oil field wellhead, in particular to a wellhead communication temperature rise control system. The oil pipe production control device comprises a vertical shell, a horizontal shell, a cross structure formed by an installation axis where a sleeve production control device is located and an axis where the vertical shell is located in the length direction, and a cross structure formed by an axis where an oil pipe production control device is located and an axis where the vertical shell is located in the length direction; the section of the vertical shell and the section of the vertical cylinder are in a through structure; the lower end of the vertical shell is connected with the horizontal shell, a first sleeve in the sleeve yield control device is arranged at a position close to the lower end of the vertical shell, the pipe diameter of the first sleeve is connected with the vertical shell, a second sleeve in the oil pipe yield control device is arranged at a position close to the upper end of the vertical shell, and the pipe diameter of the second sleeve is connected with the vertical shell; the production pipeline arranged in the vertical shell is respectively communicated with the inner diameter of the first sleeve and the inner diameter of the second sleeve. The heat-insulating device has the advantages of heat insulation of the wellhead of the shut-down well, fast temperature rise, stable temperature operation, electricity saving and replacement of medium-frequency and electric heating bands.
Description
Technical Field
The invention relates to equipment for an oil field wellhead, in particular to a wellhead communication temperature rise control system.
Background
Along with the development of a thick well block of an oil field, a large amount of new wells are put into production, the yield is rapidly increased, so that great challenges are met for oil reservoirs, shafts, gathering and transportation, production organizations and the like, the conventional oil extraction process cannot meet the normal production of the oil well, and the problems of high return pressure, poor heat tracing effect, easy pipe blockage during well shutdown and the like follow. At present, the pressure of a gathering and transportation system is reduced by adopting a pump truck hot washing pipeline and a self-circulation hot washing pipeline, and a high-frequency electric tracing band is matched with a heat preservation gathering and transportation process for heating, so that the normal production of an oil well is ensured, but the power cost of a single well is also increased rapidly.
Disclosure of Invention
The invention aims to solve the problems of high running cost of car washing, back pressure reduction, medium frequency reduction, electric heating belt temperature rise and the like in the prior art and provide a wellhead temperature rise control system.
The invention adopts the following technical scheme:
a wellhead communicated temperature rise control system comprises a vertical shell, a horizontal shell, a casing yield control device, an oil pipe yield control device and a production pipeline, wherein the casing yield control device is installed on the vertical shell, the production pipeline penetrates through the vertical shell and the horizontal shell, an installation axis where the casing yield control device is located and an axis where the vertical shell is located in the length direction are of a cross structure, and an axis where the oil pipe yield control device is located and an axis where the vertical shell is located in the length direction are of a cross structure; the vertical shell is connected with the vertical cylinder, and the section of the vertical shell and the section of the vertical cylinder are in a through structure; the lower end of the vertical shell is connected with the horizontal shell, and the horizontal shell is provided with the horizontal cylinder; a first sleeve in the sleeve yield control device is arranged at a position close to the lower end of the vertical shell, the pipe diameter of the first sleeve is connected with the vertical shell, a second sleeve in the oil pipe yield control device is arranged at a position close to the upper end of the vertical shell, and the pipe diameter of the second sleeve is connected with the vertical shell; the production pipeline arranged in the vertical shell is respectively communicated with the inner diameter of the first sleeve and the inner diameter of the second sleeve.
Compared with the prior art, the invention adopting the technical scheme has the advantages of fast temperature rise, stable temperature operation, electricity saving, replacement of intermediate frequency and electric heating belt, and the well mouth of the shut-down well is insulated.
The preferred scheme of the invention is as follows:
the section structure of the vertical shell is a large annular structure, and the section structure of the vertical cylinder is a small annular structure; the section structure of the vertical shell and the section structure of the vertical cylinder form an 8-shaped through structure.
The installation axis of the sleeve yield control device is vertical to the axis of the vertical shell in the length direction; the axis of the oil pipe yield control device is vertical to the axis of the vertical shell in the length direction.
Two ends of a first sleeve in the sleeve yield control device respectively extend out of the vertical shell, one end of the first sleeve is provided with a first plug, the other end of the first sleeve is connected with the Christmas tree, the other end of the first sleeve is provided with a first side pipe, and the axis of the first side pipe is vertical to the axis of the first sleeve; a first internal thread knot is arranged in the pipe diameter of the first sleeve.
Two ends of a second sleeve in the oil pipe yield control device respectively extend out of the vertical shell, one end of the second sleeve is provided with a second plug, the other end of the second sleeve is connected with the Christmas tree, the other end of the second sleeve is provided with a second side pipe, and the axis of the second side pipe is vertical to the axis of the second sleeve; and a second thread structure is arranged in the pipe diameter of the second sleeve.
The vertical production pipeline (701) arranged in the vertical shell is composed of a first long pipe (709), a second long pipe (705), a third long pipe (704), a first short pipe (707) and a second short pipe (708), the first long pipe (709), the second long pipe (705) and the third long pipe (704) are arranged in parallel, the first long pipe (709) and the second long pipe (705) are connected through the first short pipe (707), and the second long pipe (705) and the third long pipe (704) are connected through the second short pipe (708); the inner diameter of the first sleeve is connected with a third long pipe (704) through a communicating hole; the communicating hole on the inner diameter of the second sleeve is communicated with the second long pipe (705).
The second long pipe of the production pipeline arranged in the vertical shell is provided with a one-way valve.
The vertical shell is internally provided with antifreeze.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural view of the first sleeve.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a view from direction a of fig. 3.
Fig. 5 is a view C-C in fig. 3.
FIG. 6 is a schematic view of a production line coupled to a first casing and a second casing.
Fig. 7 is a top view of fig. 6.
Detailed Description
The invention is described in detail below with reference to examples:
a wellhead-connected temperature-rise control system, referring to fig. 1-6, wherein: a casing yield control device 1, a first casing end 101, an internal thread structure 102, a first casing other end 103, a communication hole 104, an external thread structure 105, a first side pipe 106; an oil pipe yield control device 2; a vertical housing 3; a vertical cylinder 4; a horizontal housing 5; a horizontal cylinder 6; a production line 7; a vertical production pipeline 701, a horizontal production pipeline 702, a one-way valve 703, a third long pipe 704 and a second long pipe 705; a sampling tube 706, a first short tube 707, a second short tube 708, and a first long tube 709.
The wellhead-communicated temperature rise control system in the embodiment is composed of a vertical shell 3 and a horizontal shell 5 connected with the vertical shell 3, the vertical shell 3 and the horizontal shell 5 are respectively sleeved on a production pipeline 7, the production pipeline 7 is composed of a vertical production pipeline 701 and a horizontal production pipeline 702, and the production pipeline 7 is connected with a liquid supply pipeline. Wherein, the vertical shell 3 is provided with a vertical cylinder 4, and the vertical shell 3 and the vertical cylinder 4 are arranged with equal length. The lower part of the horizontal shell 5 is connected with a horizontal cylinder 6, and the horizontal cylinder 6 and the horizontal shell 5 are arranged with equal length.
The vertical shell 3 is provided with a casing yield control device and an oil pipe yield control device, the oil pipe yield control device is arranged at the position, close to the top end, of the vertical shell 3, and the casing yield control device is arranged at the position, close to the bottom of the vertical shell 3. In this embodiment, the casing production control device and the tubing production control device have the same structure.
The installation axis of the sleeve yield control device and the axis of the vertical shell 3 in the length direction are in a vertical cross structure, and the axis of the oil pipe yield control device and the axis of the vertical shell 3 in the length direction are in a vertical cross structure.
The vertical shell 3 is connected with the vertical cylinder 4, the section of the vertical shell 3 and the section of the vertical cylinder 4 are in an 8-shaped through structure, and the anti-freezing solution and an electric heating rod electrically connected with the outside are additionally arranged in the vertical cylinder, as shown in the structure in fig. 5. The lower end of the vertical housing 3 is connected to the horizontal housing by a section of vertical production line 701. A horizontal cylinder 6 is arranged on the horizontal shell 5, and the section of the horizontal shell 5 and the section of the horizontal cylinder 6 are also in an 8-shaped through structure; the horizontal cylinder is also filled with antifreeze and an electric heating rod electrically connected with the outside. One end of the horizontal housing 5 is connected to a horizontal production line 702. A first sleeve of the sleeve yield control device is mounted adjacent the lower end of the riser housing. The outer diameter of the first sleeve is welded to the vertical housing 3, the first sleeve is provided with a communication hole 104, and the portion provided with the communication hole 104 is welded to the second long tube 104.
The second sleeve is also provided with a communicating hole, and the communicating part is welded with the second long pipe 705. A check valve 703 is arranged in the second long pipe 705, and the check valve 703 controls the flow direction of the oil in the production pipeline from the oil pipe production control device to the sleeve production control device, but the oil cannot flow back.
The vertical production pipeline 701 is composed of a first long pipe 709, a second long pipe 705, a third long pipe 704, a first short pipe 707 and a second short pipe 708, the first long pipe 709, the second long pipe 705 and the third long pipe 704 are arranged in parallel, the first long pipe 709 and the second long pipe 705 are connected through the first short pipe 707, and the second long pipe 705 and the third long pipe 704 are connected through the second short pipe 708; the inner diameter of the first sleeve is connected with a third long pipe 704 through a communicating hole; the communication holes on the inner diameter of the second sleeve are in communication with the second long tube 705.
The inner diameter of the vertical shell 3 is enough to put down three first long pipes 709, second long pipes 705 and first long pipes 704 which are arranged in parallel, the pipe diameters of the first long pipes 709, the second long pipes 705 and the first long pipes 704 are equal, and the lengths of the first short pipe 797 and the second short pipe 708 can be just suitable for connecting the two long pipes and realizing turning and parallel arrangement. The vertical shell 3 can adopt two 3 structures to be welded to form a through structure with an 8-shaped section and is sleeved outside the three long pipes arranged in parallel.
The first sleeve outer diameter is connected with the vertical shell 3 by welding. Similarly, the second sleeve outer diameter is also connected to the vertical housing 3 by welding.
An internal thread structure 102 is arranged on the first sleeve, and the internal thread structure 102 is connected with a first oil outlet pipe joint; similarly, the second sleeve is also provided with an internal thread structure, and the internal thread structure is connected with the second oil outlet pipe joint.
The section structure of the vertical shell 3 is a large annular structure, and the section structure of the vertical cylinder 4 is a small annular structure; as shown in fig. 5; the section structure of the horizontal shell 5 is also in a large annular structure, and the section structure of the horizontal cylinder 6 is in a small annular structure. The vertical shell 3, the vertical cylinder 4, the horizontal shell 5 and the horizontal cylinder 6 are respectively filled with antifreeze, and a heating rod is arranged in the antifreeze.
The two ends of a first sleeve in the sleeve yield control device respectively extend out of the vertical shell 3, a first plug is arranged at one end 101 of the first sleeve, the other end 103 of the first sleeve is connected with a Christmas tree, a first lateral pipe 106 is arranged at the other end 103 of the first sleeve, and the axis of the first lateral pipe 106 is perpendicular to the axis of the first sleeve.
The oil pipe yield control device is structurally arranged in the same way, two ends of a second casing pipe in the oil pipe yield control device respectively extend out of the vertical shell 3, one end of the second casing pipe is provided with a second plug, the other end of the second casing pipe is connected with the Christmas tree, the other end of the second casing pipe is provided with a second side pipe, and the axis of the second side pipe is perpendicular to the axis of the second casing pipe; the first side tube 106 and the second side tube are used for installing a pressure gauge respectively.
The second long pipe 705 is provided with a sampling pipe 706 near the first short pipe 707, the sampling pipe 706 extends out of the vertical shell 3, and the outer diameter of the sampling pipe 3 is connected with the vertical shell.
The system is installed on a G24-P39 wellhead site to replace the original wellhead process, the temperature rise on the site can reach more than 80 ℃, the temperature is set to 80-75 ℃ from the wellhead to the process end (the original electric heating zone area), and the end is 64 ℃. The applicable range of the system is as follows: heavy oil wells, carbon dioxide relief wells, high pressure gas wells and flowing wells.
In the working process, the system heats the antifreeze solution through the heating rod according to the heat conduction principle, so that the temperature of oil well products is increased, the running resistance of the oil well products is reduced, and the normal production of the oil well is ensured; the system has the characteristics of quick temperature rise and stable operation, and realizes real-time temperature acquisition and automatic regulation and control.
Claims (8)
1. The utility model provides a well head intercommunication intensification control system, includes vertical casing, horizontal casing, the casing output controlling means of dress on vertical casing, oil pipe output controlling means, the production pipeline who passes vertical casing and horizontal casing, its characterized in that: the installation axis of the sleeve yield control device is in a cross structure with the axis of the vertical shell in the length direction, and the axis of the oil pipe yield control device is in a cross structure with the axis of the vertical shell in the length direction; the vertical shell is connected with the vertical cylinder, and the section of the vertical shell and the section of the vertical cylinder are in a through structure; the lower end of the vertical shell is connected with the horizontal shell, and the horizontal shell is provided with the horizontal cylinder; a first sleeve in the sleeve yield control device is arranged at a position close to the lower end of the vertical shell, the pipe diameter of the first sleeve is connected with the vertical shell, a second sleeve in the oil pipe yield control device is arranged at a position close to the upper end of the vertical shell, and the pipe diameter of the second sleeve is connected with the vertical shell; the production pipeline arranged in the vertical shell is respectively communicated with the inner diameter of the first sleeve and the inner diameter of the second sleeve.
2. The wellhead communication temperature rise control system according to claim 1, characterized in that: the section structure of the vertical shell is a large annular structure, and the section structure of the vertical cylinder is a small annular structure; the section structure of the vertical shell and the section structure of the vertical cylinder form an 8-shaped through structure.
3. The wellhead communication temperature rise control system according to claim 1, characterized in that: the installation axis of the sleeve yield control device is vertical to the axis of the vertical shell in the length direction; the axis of the oil pipe yield control device is vertical to the axis of the vertical shell in the length direction.
4. The wellhead communication temperature rise control system according to claim 1, characterized in that: two ends of a first sleeve in the sleeve yield control device respectively extend out of the vertical shell, one end of the first sleeve is provided with a first plug, the other end of the first sleeve is connected with the Christmas tree, the other end of the first sleeve is provided with a first side pipe, and the axis of the first side pipe is vertical to the axis of the first sleeve; a first internal thread structure is arranged in the pipe diameter of the first sleeve.
5. The wellhead communication temperature rise control system according to claim 1, characterized in that: two ends of a second sleeve in the oil pipe yield control device respectively extend out of the vertical shell, one end of the second sleeve is provided with a second plug, the other end of the second sleeve is connected with the Christmas tree, the other end of the second sleeve is provided with a second side pipe, and the axis of the second side pipe is vertical to the axis of the second sleeve; a second internal thread structure is arranged in the pipe diameter of the second sleeve.
6. The wellhead communication temperature rise control system according to claim 1, characterized in that: the vertical production pipeline (701) arranged in the vertical shell is composed of a first long pipe (709), a second long pipe (705), a third long pipe (704), a first short pipe (707) and a second short pipe (708), the first long pipe (709), the second long pipe (705) and the third long pipe (704) are arranged in parallel, the first long pipe (709) and the second long pipe (705) are connected through the first short pipe (707), and the second long pipe (705) and the third long pipe (704) are connected through the second short pipe (708); the inner diameter of the first sleeve is connected with a third long pipe (704) through a communicating hole; the communicating hole on the inner diameter of the second sleeve is communicated with the second long pipe (705).
7. The wellhead communication temperature rise control system according to claim 6, wherein: the second long pipe of the production pipeline arranged in the vertical shell is provided with a one-way valve.
8. The wellhead communication temperature rise control system according to claim 1, characterized in that: the vertical shell is internally provided with antifreeze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111097671.0A CN114165195A (en) | 2021-09-18 | 2021-09-18 | Well head intercommunication intensification control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111097671.0A CN114165195A (en) | 2021-09-18 | 2021-09-18 | Well head intercommunication intensification control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114165195A true CN114165195A (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111097671.0A Pending CN114165195A (en) | 2021-09-18 | 2021-09-18 | Well head intercommunication intensification control system |
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| Country | Link |
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| CN (1) | CN114165195A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363051Y (en) * | 1999-01-26 | 2000-02-09 | 吴连学 | Combined electric heater for hole top of oil well and gasser |
| US20070193747A1 (en) * | 2004-07-29 | 2007-08-23 | Tyco Thermal Controls Llc | Subterranean Electro-Thermal Heating System and Method |
| CN206972222U (en) * | 2017-07-10 | 2018-02-06 | 辽宁瑞邦石油技术发展有限公司 | It is a kind of to have the Weighing type oil well meter for mixing hot interlayer |
| CN211573478U (en) * | 2019-12-25 | 2020-09-25 | 东营市东达机械制造有限责任公司 | Fast-assembling thermal recovery well head heat preservation cover |
| CN216517924U (en) * | 2021-09-18 | 2022-05-13 | 唐山市曹妃甸区浦圣石油技术服务有限公司 | Well head intercommunication intensification control system |
-
2021
- 2021-09-18 CN CN202111097671.0A patent/CN114165195A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363051Y (en) * | 1999-01-26 | 2000-02-09 | 吴连学 | Combined electric heater for hole top of oil well and gasser |
| US20070193747A1 (en) * | 2004-07-29 | 2007-08-23 | Tyco Thermal Controls Llc | Subterranean Electro-Thermal Heating System and Method |
| CN206972222U (en) * | 2017-07-10 | 2018-02-06 | 辽宁瑞邦石油技术发展有限公司 | It is a kind of to have the Weighing type oil well meter for mixing hot interlayer |
| CN211573478U (en) * | 2019-12-25 | 2020-09-25 | 东营市东达机械制造有限责任公司 | Fast-assembling thermal recovery well head heat preservation cover |
| CN216517924U (en) * | 2021-09-18 | 2022-05-13 | 唐山市曹妃甸区浦圣石油技术服务有限公司 | Well head intercommunication intensification control system |
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