CN209817954U - Novel multifunctional internal prestress gluing oil pipe - Google Patents
Novel multifunctional internal prestress gluing oil pipe Download PDFInfo
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- CN209817954U CN209817954U CN201920630975.0U CN201920630975U CN209817954U CN 209817954 U CN209817954 U CN 209817954U CN 201920630975 U CN201920630975 U CN 201920630975U CN 209817954 U CN209817954 U CN 209817954U
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Abstract
The utility model provides a novel multi-functional internal prestressing glued oil pipe, includes oil pipe and the two female joint of being connected with oil pipe screw thread, its characterized in that: the outer part of the inner wear-resistant pipe is wrapped with the heat-insulating sleeve, the outer part of the heat-insulating sleeve is wrapped with the adhesive film, the inner wear-resistant pipe, the heat-insulating sleeve and the adhesive film are arranged in the oil pipe, the oil pipe is heated by the medium-frequency heater, the adhesive film has adhesive property after being heated, and the oil pipe and the heat-insulating sleeve are adhered together. The utility model discloses can reduce the energy consumption loss of liquid at the pit shaft lift in-process, guarantee that liquid flows under higher temperature and velocity of flow. The mobility of the liquid produced by the oil well in the shaft is improved, and the temperature of the wellhead of the produced liquid is effectively increased. The method can well solve the problems of high construction cost, high production energy consumption and the like caused by processes of three-pipe heat tracing, electric heating and the like for oil field companies, and can solve the problem of emission pollution caused by fuel oil and gas of a heating furnace, thereby realizing cold production of part of heat tracing production wells and reducing the production energy consumption and cost.
Description
Technical Field
The utility model relates to an oil and gas exploitation technical field especially relates to a novel multi-functional internal prestressing force veneer oil pipe.
Background
For oil wells with high wax content and high freezing point, heat tracing is needed in the exploitation process, the production energy consumption is high, and the exploitation cost is high. The produced oil can continuously radiate heat to the stratum in the flowing process of the shaft, and the heat radiation causes the temperature of the liquid in the shaft to be gradually reduced, so that wax precipitation or poor liquidity is caused. The flow process of the oil production liquid is as follows: the liquid in the oil well flows into a cluster pipeline or an oil storage device through an oil well pump, an oil pipe and a well mouth, in the process, the liquid at the bottom of the oil well has higher temperature and good flowing performance, when the liquid reaches the upper part of the oil well, the temperature of the well mouth is lower, the liquid temperature is reduced faster, the flowing performance of the liquid is poor, and in order to ensure the fluidity of the oil liquid, the liquid is heated by adopting the heating modes of electricity, fuel oil and gas at present, the liquid temperature is kept, the liquid keeps good fluidity, but the method has the defects of energy consumption, environmental pollution and the like.
Disclosure of Invention
To the not enough of above-mentioned technical problem existence, the utility model aims at providing a novel multi-functional internal prestressing force veneer oil pipe.
The utility model provides a novel multi-functional internal prestressing glued oil pipe, includes, oil pipe (4) and two female joint (1) of being connected with oil pipe (4) screw thread, its characterized in that: the heat insulation sleeve (6) wraps the outer portion of the inner wear-resistant pipe (7), the bonding film (5) wraps the outer portion of the heat insulation sleeve (6) in a winding mode, the inner wear-resistant pipe (7), the heat insulation sleeve (6) and the bonding film (5) are arranged in the oil pipe (4) in a winding mode, the inner wear-resistant pipe, the heat insulation sleeve (6) and the bonding film (5) are heated through the medium-frequency heater, the bonding film (5) has bonding performance after being heated, and the oil pipe (4) is bonded with the heat insulation sleeve (6).
A sealing head A (2) is arranged above the oil pipe (4), and the bottom of the sealing head A (2) is bonded with the inner wear-resistant pipe (7); a sealing head B (9) is arranged below the oil pipe (4), and the upper part of the sealing head B (9) is bonded with the inner wear-resistant pipe (7).
The double-female joint (1) is provided with a shoulder in the middle of the inner wall, one end of the oil pipe (4) is screwed into the double-female joint (1), and the sealing head A (2) at the top of the oil pipe (4) is arranged at the position of the inner shoulder of the double-female joint (1).
The adhesive film (5) is a heat-sensitive adhesive tape, does not have adhesive force at normal temperature, and after the adhesive film is viscous by heating, the outer wall of the heat-insulating sleeve (6) and the inner wall of the oil pipe (4) are firmly combined together.
A suction channel (10) is arranged on the sealing head A (2), and after suction is finished, a sealing plug is covered on the suction channel (10).
In order to prevent external liquid or gas from entering the annular space of the heat preservation layer, notches are formed in the outer portions of the sealing head A (2) and the sealing head B (9), and sealing rings (3) are arranged in the notches.
A righting frame (8) is arranged between the oil pipe (4) and the inner wear-resistant pipe (7).
The heat insulation sleeve (6) is made of aerogel materials.
The heat insulation sleeve (6) is made of hollow glass wool.
The inner wear-resistant pipe (7), the sealing head A (2) and the sealing head B (9) are all made of ultra-high molecular polyethylene materials.
The utility model discloses can reduce the energy consumption loss of liquid at the pit shaft lift in-process, guarantee that liquid flows under higher temperature and velocity of flow. The mobility of the liquid produced by the oil well in the shaft is improved, and the temperature of the wellhead of the produced liquid is effectively increased. The method can well solve the problems of high construction cost, high production energy consumption and the like caused by processes of three-pipe heat tracing, electric heating and the like for oil field companies, and can solve the problem of emission pollution caused by fuel oil and gas of a heating furnace, thereby realizing cold production of part of heat tracing production wells and reducing the production energy consumption and cost. Realizing green and environment-friendly production of the oil field.
Drawings
FIG. 1 is a schematic diagram of a half-sectional structure of the present invention;
fig. 2 is a partially enlarged schematic view of fig. 1.
In the figure: the double-female joint comprises a double-female joint 1, a sealing head A2, a sealing ring 3, an oil pipe 4, an adhesive film 5, a heat-insulating sleeve 6, an inner wear-resistant pipe 7, a centering frame 8, a sealing head B9 and a suction channel 10.
Detailed Description
As shown in fig. 1 and 2, the heat insulation sleeve 6 wraps the outer part of the inner wear-resistant pipe 7, the adhesive film 5 wraps the outer part of the heat insulation sleeve 6 in a winding manner, the inner wear-resistant pipe 7, the heat insulation sleeve 6 and the adhesive film 5 are loaded into the oil pipe 4, the inner adhesive film 5, the heat insulation sleeve 6 and the inner wear-resistant pipe 7 are placed into a medium-frequency heater to be heated to 105-135 ℃, the adhesive film 5 has cohesiveness after being heated, and the oil pipe 4 and the heat insulation sleeve 6 are further adhered together.
The adhesive film 5 is a heat-sensitive adhesive tape, does not have adhesive force at normal temperature, and after the adhesive film is heated to have viscosity, the outer wall of the heat-insulating sleeve 6 is firmly combined with the inner wall of the oil pipe 4.
And a sealing head A2 is arranged above the oil pipe 4, and the bottom of the sealing head A2 is bonded with the inner wear-resistant pipe 7. And a sealing head B9 is arranged below the oil pipe 4, and the upper part of the sealing head B9 is bonded with the inner wear-resistant pipe 7.
The double female joint 1 is provided with a shoulder in the middle of the inner wall, one end of the oil pipe 4 is screwed into the double female joint 1, and the sealing head A2 at the top of the oil pipe 4 is arranged at the inner shoulder position of the double female joint 1.
The sealing head A2 is provided with a suction channel 10 for sucking heat-conducting substances or gas in the heat-insulating annular space, and after the suction is finished, the suction channel 10 is covered with a sealing plug.
In order to prevent external liquid or gas from entering the annular space of the heat-insulating layer, notches are formed in the outer portions of the sealing head A2 and the sealing head B9, and sealing rings 3 are arranged in the notches.
A centering frame 8 is arranged between the oil pipe 4 and the inner wear-resistant pipe 7, and the main function of the centering frame 8 is to enable the oil pipe 4 to be concentric with the inner wear-resistant pipe 7.
The inner wear-resistant pipe 7, the sealing head A2 and the sealing head B9 are all made of ultra-high molecular polyethylene materials.
The thermal insulation sleeve 6 is made of aerogel materials, and can also be made of hollow glass wool.
According to the length of the needed oil pipe, a plurality of glued oil pipes can be spliced together for use, and the bottom of the oil pipe 4 is screwed into the double-female joint 1 of the other glued oil pipe during splicing.
Claims (10)
1. The utility model provides a novel multi-functional internal prestressing glued oil pipe, includes, oil pipe (4) and two female joint (1) of being connected with oil pipe (4) screw thread, its characterized in that: the heat insulation sleeve (6) wraps the outer portion of the inner wear-resistant pipe (7), the bonding film (5) wraps the outer portion of the heat insulation sleeve (6) in a winding mode, the inner wear-resistant pipe (7), the heat insulation sleeve (6) and the bonding film (5) are arranged in the oil pipe (4) in a winding mode, the inner wear-resistant pipe, the heat insulation sleeve (6) and the bonding film (5) are heated through the medium-frequency heater, the bonding film (5) has bonding performance after being heated, and the oil pipe (4) is bonded with the heat insulation sleeve (6).
2. The novel multifunctional internal pre-stressed glued oil pipe as claimed in claim 1, wherein: a sealing head A (2) is arranged above the oil pipe (4), and the bottom of the sealing head A (2) is bonded with the inner wear-resistant pipe (7); a sealing head B (9) is arranged below the oil pipe (4), and the upper part of the sealing head B (9) is bonded with the inner wear-resistant pipe (7).
3. The novel multifunctional internal pre-stressed glued oil pipe as claimed in claim 1, wherein: the double-female joint (1) is provided with a shoulder in the middle of the inner wall, one end of the oil pipe (4) is screwed into the double-female joint (1), and the sealing head A (2) at the top of the oil pipe (4) is arranged at the position of the inner shoulder of the double-female joint (1).
4. The novel multifunctional internal pre-stressed glued oil pipe as claimed in claim 1, wherein: the adhesive film (5) is a heat-sensitive adhesive tape, does not have adhesive force at normal temperature, and after the adhesive film is viscous by heating, the outer wall of the heat-insulating sleeve (6) and the inner wall of the oil pipe (4) are firmly combined together.
5. The novel multifunctional internal pre-stressed glued oil pipe as claimed in claim 3, wherein: a suction channel (10) is arranged on the sealing head A (2), and after suction is finished, a sealing plug is covered on the suction channel (10).
6. The novel multifunctional internal pre-stressed glued oil pipe of claim 5, wherein: in order to prevent external liquid or gas from entering the annular space of the heat preservation layer, notches are formed in the outer portions of the sealing head A (2) and the sealing head B (9), and sealing rings (3) are arranged in the notches.
7. The novel multifunctional internal pre-stressed glued oil pipe as claimed in claim 4, wherein: a righting frame (8) is arranged between the oil pipe (4) and the inner wear-resistant pipe (7).
8. The novel multifunctional internal pre-stressed glued oil pipe as claimed in claim 1, wherein: the heat insulation sleeve (6) is made of aerogel materials.
9. The novel multifunctional internal pre-stressed glued oil pipe as claimed in claim 1, wherein: the heat insulation sleeve (6) is made of hollow glass wool.
10. The novel multifunctional internal pre-stressed glued oil pipe of claim 7, wherein: the inner wear-resistant pipe (7), the sealing head A (2) and the sealing head B (9) are all made of ultra-high molecular polyethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920630975.0U CN209817954U (en) | 2019-04-30 | 2019-04-30 | Novel multifunctional internal prestress gluing oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920630975.0U CN209817954U (en) | 2019-04-30 | 2019-04-30 | Novel multifunctional internal prestress gluing oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209817954U true CN209817954U (en) | 2019-12-20 |
Family
ID=68882550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920630975.0U Active CN209817954U (en) | 2019-04-30 | 2019-04-30 | Novel multifunctional internal prestress gluing oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209817954U (en) |
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2019
- 2019-04-30 CN CN201920630975.0U patent/CN209817954U/en active Active
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