CN211692404U - Oil drilling pipeline insulation structure - Google Patents
Oil drilling pipeline insulation structure Download PDFInfo
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- CN211692404U CN211692404U CN201922397763.5U CN201922397763U CN211692404U CN 211692404 U CN211692404 U CN 211692404U CN 201922397763 U CN201922397763 U CN 201922397763U CN 211692404 U CN211692404 U CN 211692404U
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Abstract
The utility model provides an oil drilling pipeline insulation construction. According to the technical scheme, the reason for heat loss of the petroleum drilling pipeline is firstly analyzed, and the result shows that the heat loss of the underground part of the pipeline is mainly caused by contact heat exchange between the pipeline and a soil layer, and the heat loss of the overground part of the pipeline is mainly caused by heat exchange between the pipeline and the outside air. Aiming at the problems, the utility model adopts different heat preservation structures for the upper and lower sections of the pipe body, wherein the lower section is supported in the well by the bracket, thereby avoiding the large-area contact between the pipe body and the soil layer, and the air in the well is in a closed environment, thus not leading the pipe body to dissipate a large amount of heat; the upper part of the pipe body is covered by a sleeve structure, a ring cavity is formed between the sleeve and the pipe body, and the heat resistance of air in the ring cavity is large, and the air is not subjected to material exchange with the outside air by the sleeve covering, so that the heat insulation effect is achieved on the pipe body. Compared with the prior art, the utility model discloses a heat preservation effect is better.
Description
Technical Field
The utility model relates to a pipeline heat preservation technical field, concretely relates to oil drilling pipeline insulation construction.
Background
The petroleum drilling pipeline is a pipeline used for conveying materials or leading out fluid substances in the petroleum drilling process and is generally made of metal materials; after the installation of the oil exploitation equipment is completed, the oil drilling pipeline is fixedly arranged and plays a role for a long time, so that the performance of the oil pipeline has direct and long-term influence on the oil exploitation process.
In the process of oil exploitation, a drilling pipeline is used for conveying fluid materials, and because the mobility of the fluid materials such as crude oil is greatly influenced by temperature, the phenomenon that the temperature of the contents in the pipeline is too low is avoided in order to ensure higher conveying efficiency. However, the oil exploitation environment is often in the field or even in the desert, and the external environment temperature in winter is very low, so the oil drilling pipeline must be subjected to heat preservation treatment. In the prior art, the conventional heat preservation means is to coat the outer wall of the pipeline with materials with larger heat resistance, such as polyurethane, heat preservation cotton and the like, and the mode can play a certain heat insulation effect, but the heat preservation effect still needs to be improved at present.
Disclosure of Invention
The utility model discloses aim at the technical defect to prior art, provide an oil drilling pipeline insulation construction to among the solution prior art, be used for the conventional insulation construction of oil drilling pipeline, its heat preservation effect remains the technical problem who promotes.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
a heat insulation structure of an oil drilling pipeline comprises a soil layer, a well, a pipe body, a support, an annular platform, an annular bracket, a lower protruding ring, a concrete square, an upper protruding ring, a sleeve and an annular cavity, wherein the well is formed in the soil layer, the lower part of the pipe body is positioned in the well, the support is fixedly connected to the bottom end of the pipe body, and the pipe body is lapped at the bottom end of the well through the support; an annular platform is arranged at the upper port of the hoistway, an annular bracket is lapped on the annular platform, concrete is poured on the annular bracket, a lower protruding ring is fixedly connected to the outer wall of the pipe body, and the lower protruding ring is lapped at the inner edge of the annular bracket; the periphery of the part of the pipe body on the ground is sleeved with a sleeve, the lower end of the sleeve is fixedly connected with an upper protruding ring, the upper protruding ring is fixedly connected with a concrete block, and an annular cavity is reserved between the sleeve and the pipe body.
Preferably, the concrete anchor further comprises an earth anchor bolt, the earth anchor bolt penetrates through the upper protruding ring downwards and is anchored with the concrete, a nut is screwed on the earth anchor bolt, and the nut is pressed against the upper end of the upper protruding ring.
Preferably, the pipe further comprises an inner heat-insulating layer and an outer heat-insulating layer, wherein the inner heat-insulating layer is sleeved on the outer wall of the pipe body, and the outer heat-insulating layer is sleeved on the outer wall of the sleeve.
Preferably, the inner heat insulation layer is made of rock wool or polyurethane.
Preferably, the outer heat-insulating layer is made of rock wool or polyurethane.
In the technical scheme, the soil layer is a conventional geological structure and is used for excavating a well and mining; the well is a longitudinal passage excavated for performing oil extraction, in which a lower portion of the pipe body is accommodated; the pipe body is used for conveying materials, and a liquid pump can be arranged at the outer end of the pipe body to provide driving force; the support is used for providing a supporting effect for the lower end of the pipe body, on one hand, a gap is reserved at the lower end of the pipe body, and on the other hand, the contact area between the pipe body and a soil layer is reduced; the annular platform is positioned at the upper port of the shaft and used for arranging an annular bracket and pouring concrete; the concrete block is used for fixing the annular bracket on one hand, and the upper protruding ring and the sleeve are borne by the concrete block with firmer strength on the other hand; the lower protruding ring is positioned on the outer wall of the pipe body, is integrally formed or welded with the outer wall of the pipe body and is used for being lapped on the annular bracket, so that the pipe body is supported by the annular bracket, the pipe body is supported by the supporting function of the support, a gap can be reserved between the pipe body and a soil layer, and the problem that the pipe body is in large-area contact with the soil layer is solved; the sleeve is used for playing a role of covering the part of the pipe body outside the ground surface, and an annular cavity is formed between the sleeve and the pipe body, and because the air in the annular cavity has higher thermal resistance and the part of the air is covered by the sleeve to not exchange substances with the outside air, the sleeve and the air in the annular cavity can play a certain heat preservation effect on the pipe body; the upper projecting ring is used for fixing the sleeve on the concrete, thereby ensuring the stability of the sleeving structure.
In the preferred technical scheme, a specific fixing mode of the upper protruding ring and the concrete block is given: the anchor bolt penetrates through the upper protruding ring and then is anchored with the concrete block, and the anchor bolt can be anchored after the concrete block is poured or can be obtained by pouring after the anchor bolt is embedded.
In another preferred technical scheme, can cup joint insulation material such as rock wool, polyurethane at body and sleeve pipe outer wall to further promote the heat preservation effect.
The utility model provides an oil drilling pipeline insulation construction. According to the technical scheme, the main reasons for heat loss of the petroleum drilling pipeline are firstly analyzed, and as a result, the heat loss of the underground part of the pipeline is mainly caused by contact heat exchange between the pipeline and a soil layer, and the heat loss of the overground part of the pipeline is mainly caused by heat exchange between the pipeline and outside air. Aiming at the problems, the utility model adopts different heat preservation structures for the upper and lower sections of the pipe body, wherein the lower section is supported in the well by the bracket, thereby avoiding the large-area contact between the pipe body and the soil layer, and the air in the well is in a closed environment, thus not leading the pipe body to dissipate a large amount of heat; the upper part of the pipe body is covered by a sleeve structure, a ring cavity is formed between the sleeve and the pipe body, and the heat resistance of air in the ring cavity is large, and the air is not subjected to material exchange with the outside air by the sleeve covering, so that the heat insulation effect is achieved on the pipe body. Compare with present conventional pipeline insulation construction, the utility model discloses a heat preservation effect is better, is particularly useful for the heat preservation of oil drilling pipeline and handles.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a cross-sectional view of the tube and sleeve of the present invention;
in the figure:
1. soil layer 2, well 3, pipe body 4 and support
5. Annular platform 6, annular bracket 7, lower protruding ring 8, concrete square
9. Upper protruding ring 10, sleeve 11, annular cavity 12, ground anchor bolt
13. An inner insulating layer 14 and an outer insulating layer.
Detailed Description
The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
An oil drilling pipeline heat insulation structure is shown in figures 1-3 and comprises a soil layer 1, a well 2, a pipe body 3, a support 4, an annular table 5, an annular bracket 6, a lower convex ring 7, a concrete square 8, an upper convex ring 9, a sleeve 10 and an annular cavity 11, wherein the well 2 is arranged in the soil layer 1, the lower part of the pipe body 3 is positioned in the well 2, the support 4 is fixedly connected to the bottom end of the pipe body 3, and the pipe body 3 is lapped at the bottom end of the well 2 through the support 4; an annular platform 5 is arranged at the upper port of the hoistway 2, an annular bracket 6 is lapped on the annular platform 5, a concrete block 8 is poured on the annular bracket 6, a lower protruding ring 7 is fixedly connected on the outer wall of the pipe body 3, and the lower protruding ring 7 is lapped at the inner edge of the annular bracket 6; a sleeve 10 is sleeved on the periphery of the part of the pipe body 3, which is positioned on the ground, an upper bulge ring 9 is fixedly connected to the lower end of the sleeve 10, the upper bulge ring 9 is fixedly connected with a concrete block 8, and an annular cavity 11 is reserved between the sleeve 10 and the pipe body 3.
The device has the following structural characteristics: the soil layer 1 is a conventional geological structure and is used for excavating a well 2 and mining; the well 2 is a longitudinal passage excavated for performing oil extraction, in which a lower portion of the pipe body 3 is accommodated; the pipe body 3 is used for conveying materials, and a liquid pump can be arranged at the outer end of the pipe body to provide driving force; the support 4 is used for providing a supporting function for the lower end of the pipe body 3, on one hand, in order to leave a gap at the lower end of the pipe body 3, and on the other hand, in order to reduce the contact area between the pipe body 3 and the soil layer 1; the annular platform 5 is positioned at the upper port of the well 2 and is used for arranging an annular bracket 6 and pouring a concrete block 8; the concrete block 8 serves on the one hand to fix the annular support 6 and on the other hand to support the upper projecting ring 9 and the sleeve 10 with its relatively firm strength; the lower protruding ring 7 is positioned on the outer wall of the pipe body 3, is integrally formed or welded with the outer wall of the pipe body 3 and is used for being lapped on the annular bracket 6, so that the pipe body 3 is supported by the annular bracket 6, the pipe body 3 is supported by the supporting function of the supporting frame 4, a gap can be reserved between the pipe body 3 and the soil layer 1, and the problem that the pipe body 3 is in large-area contact with the soil layer 1 is avoided; the sleeve 10 is used for covering the part of the pipe body 3, which is positioned outside the ground surface, and forming an annular cavity 11 between the sleeve and the annular cavity, and because the air in the annular cavity 11 has higher thermal resistance and the part of the air is covered by the sleeve 10 and does not exchange substances with the outside air, the air in the sleeve 10 and the annular cavity 11 can have a certain heat preservation effect on the pipe body 3; the upper collar 9 serves to secure the sleeve 10 to the concrete block 8, thereby ensuring the stability of the socket.
Example 2
An oil drilling pipeline heat insulation structure is shown in figures 1-3 and comprises a soil layer 1, a well 2, a pipe body 3, a support 4, an annular table 5, an annular bracket 6, a lower convex ring 7, a concrete square 8, an upper convex ring 9, a sleeve 10 and an annular cavity 11, wherein the well 2 is arranged in the soil layer 1, the lower part of the pipe body 3 is positioned in the well 2, the support 4 is fixedly connected to the bottom end of the pipe body 3, and the pipe body 3 is lapped at the bottom end of the well 2 through the support 4; an annular platform 5 is arranged at the upper port of the hoistway 2, an annular bracket 6 is lapped on the annular platform 5, a concrete block 8 is poured on the annular bracket 6, a lower protruding ring 7 is fixedly connected on the outer wall of the pipe body 3, and the lower protruding ring 7 is lapped at the inner edge of the annular bracket 6; a sleeve 10 is sleeved on the periphery of the part of the pipe body 3, which is positioned on the ground, an upper bulge ring 9 is fixedly connected to the lower end of the sleeve 10, the upper bulge ring 9 is fixedly connected with a concrete block 8, and an annular cavity 11 is reserved between the sleeve 10 and the pipe body 3. Meanwhile, the concrete pile foundation further comprises an earth anchor bolt 12, the earth anchor bolt 12 penetrates through the upper protruding ring 9 downwards and then is anchored with the concrete block 8, a nut is screwed on the earth anchor bolt 12, and the nut is pressed against the upper end of the upper protruding ring 9. The pipe is characterized by further comprising an inner heat-insulating layer 13 and an outer heat-insulating layer 14, wherein the inner heat-insulating layer 13 is sleeved on the outer wall of the pipe body 3, and the outer heat-insulating layer 14 is sleeved on the outer wall of the sleeve 10. The inner heat-insulating layer 13 is made of rock wool or polyurethane. The outer insulating layer 14 is made of rock wool or polyurethane.
In the above technical solution, a specific fixing mode of the upper protruding ring 9 and the concrete block 8 is given: the anchor bolts 12 penetrate through the upper protruding ring 9 and then are anchored with the concrete block 8, and the anchoring effect can be achieved after the concrete block 8 is poured or can be achieved after the anchor bolts are embedded and then poured. In addition, an inner heat-insulating layer and an outer heat-insulating layer are respectively sleeved on the outer walls of the pipe body 3 and the sleeve 10, so that the heat-insulating effect is further improved.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The oil drilling pipeline heat insulation structure is characterized by comprising a soil layer (1), a well (2), a pipe body (3), a support (4), an annular platform (5), an annular bracket (6), a lower protruding ring (7), a concrete square (8), an upper protruding ring (9), a sleeve (10) and an annular cavity (11), wherein the well (2) is arranged in the soil layer (1), the lower part of the pipe body (3) is positioned in the well (2), the support (4) is fixedly connected to the bottom end of the pipe body (3), and the pipe body (3) is lapped at the bottom end of the well (2) through the support (4); an annular platform (5) is arranged at the upper port of the hoistway (2), an annular bracket (6) is lapped on the annular platform (5), a concrete block (8) is poured on the annular bracket (6), a lower protruding ring (7) is fixedly connected to the outer wall of the pipe body (3), and the lower protruding ring (7) is lapped at the inner edge of the annular bracket (6); the periphery of the part, located on the ground, of the pipe body (3) is sleeved with a sleeve (10), the lower end of the sleeve (10) is fixedly connected with an upper protruding ring (9), the upper protruding ring (9) is fixedly connected with a concrete block (8), and an annular cavity (11) is reserved between the sleeve (10) and the pipe body (3).
2. The oil drilling pipeline heat insulation structure according to claim 1, further comprising an earth anchor bolt (12), wherein the earth anchor bolt (12) penetrates through the upper protruding ring (9) downwards and then is anchored with the concrete block (8), and a nut is screwed on the earth anchor bolt (12) and is pressed against the upper end of the upper protruding ring (9).
3. The oil drilling pipeline insulation structure according to claim 1, further comprising an inner insulation layer (13) and an outer insulation layer (14), wherein the inner insulation layer (13) is sleeved on the outer wall of the pipe body (3), and the outer insulation layer (14) is sleeved on the outer wall of the casing (10).
4. The oil drilling pipe insulation structure according to claim 3, wherein the inner insulation layer (13) is made of rock wool or polyurethane.
5. The oil drilling pipe insulation structure according to claim 3, wherein the outer insulation layer (14) is made of rock wool or polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922397763.5U CN211692404U (en) | 2019-12-27 | 2019-12-27 | Oil drilling pipeline insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922397763.5U CN211692404U (en) | 2019-12-27 | 2019-12-27 | Oil drilling pipeline insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211692404U true CN211692404U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922397763.5U Active CN211692404U (en) | 2019-12-27 | 2019-12-27 | Oil drilling pipeline insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211692404U (en) |
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2019
- 2019-12-27 CN CN201922397763.5U patent/CN211692404U/en active Active
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