CN220504953U - Anti-corrosion heat-insulation oil pipe - Google Patents
Anti-corrosion heat-insulation oil pipe Download PDFInfo
- Publication number
- CN220504953U CN220504953U CN202322274666.3U CN202322274666U CN220504953U CN 220504953 U CN220504953 U CN 220504953U CN 202322274666 U CN202322274666 U CN 202322274666U CN 220504953 U CN220504953 U CN 220504953U
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- oil
- heat
- aerogel
- pipe body
- 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.)
- Active
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 29
- 238000009413 insulation Methods 0.000 title abstract description 28
- 239000004964 aerogel Substances 0.000 claims abstract description 40
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 8
- 239000010935 stainless steel Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 13
- 230000007797 corrosion Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 68
- 239000010779 crude oil Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 13
- 238000004321 preservation Methods 0.000 abstract description 8
- 239000003208 petroleum Substances 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000008093 supporting effect Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model provides an anti-corrosion heat-insulation heat-preservation oil pipe, which relates to the technical field of heat-preservation oil pipes and comprises the following components: the surface fixedly connected with outer body of second connecting block. When the oil pipe is used, the stainless steel armor is arranged on the outer pipe body, so that the outer pipe body is protected from being corroded by petroleum or damaged due to collision with a well wall, the anti-corrosion layer is arranged on the inner pipe body, the inner pipe body is prevented from being corroded by crude oil in the process of conveying crude oil, the aerogel is arranged between the outer pipe body and the inner pipe body, the thickness of the aerogel is 10mm, the wall thickness of the oil pipe is reduced, the conveying effect of the oil pipe is improved, meanwhile, the high temperature resistance and the heat insulation performance of the aerogel play a role in heat insulation of the oil pipe, the density of the crude oil in the oil pipe due to the influence of the external temperature of the earth crust in the rising process is avoided, and the heat insulation effect of the anti-corrosion heat insulation oil pipe in the process of conveying crude oil is improved.
Description
Technical Field
The utility model relates to the technical field of heat preservation oil pipes, in particular to an anti-corrosion heat-insulation heat preservation oil pipe.
Background
When petroleum is extracted, the oil pumping unit is used for lifting crude oil from the bottom of the well to the ground, and the oil pumping unit is connected with an oil pipe for lifting the crude oil from the bottom of the well to the ground; at present, an oil pipe used in the petroleum industry is a metal pipe, one end of the oil pipe is sleeved with a coupling, and the other end of the oil pipe is a screwed end with external threads. When the oil pipe is used, the threaded end of one oil pipe is connected with the coupling thread of the other oil pipe in sequence, so that a channel for lifting crude oil from the bottom of the well to the wellhead is formed.
In the prior art, the traditional oil pipe is a foam heat-insulating oil pipe, the thickness of a foam layer is thicker and is 30mm generally, however, in oil well operation, due to the fact that the temperature is high in places with the depth of kilometers underground, the foam layer is easily affected by high temperature, the heat-insulating effect of the oil pipe is reduced, in the process of exploiting along with the rising of crude oil, the crude oil in the oil pipe is affected by the temperature of the crust, the temperature is reduced, the oil becomes thicker and thicker, the oil pipe is blocked, and finally, the oil well is stopped, and the normal production operation of the oil well is seriously affected.
Disclosure of Invention
The utility model mainly provides the anti-corrosion heat-insulation oil pipe which is convenient for improving the heat-insulation effect of the oil pipe and prevents crude oil from being dense due to the influence of the crust temperature in the lifting process so as to block the oil pipe.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: an anti-corrosion heat-insulating oil pipe, comprising: the second connecting block, the surface fixedly connected with outer body of second connecting block, the surface of outer body is provided with the stainless steel and protects the first, the internal surface fixedly connected with inner tube body of second connecting block, the internal surface of inner tube body is provided with the anticorrosive coating, be provided with aerogel between the surface of the internal surface of outer tube body and the inner tube body, the up end of outer tube body and inner tube body is all fixedly connected with sealing block, the up end fixedly connected with first connecting block of sealing block, first screw thread has been seted up to the internal surface of first connecting block.
Preferably, a plurality of anti-skidding lines are evenly arranged on the inner surface of the outer pipe body, the anti-skidding lines are matched with the aerogel, the contact surface between the aerogel and the outer pipe body is conveniently increased, and the aerogel is kept stable when being filled between the outer pipe body and the inner pipe body.
Preferably, the lower terminal surface fixedly connected with conflict piece of sealing block, conflict piece is supporting setting with aerogel, makes things convenient for the conflict piece to contradict in the top of aerogel, makes it keep stable effect between outer body and interior body.
Preferably, the outer surface and the inner surface of the abutting block are respectively attached to the inner surface of the outer pipe body and the outer surface of the inner pipe body, so that the outer surface of the abutting block is conveniently and tightly attached between the outer pipe body and the inner pipe body, and meanwhile, the aerogel is abutted to prevent the aerogel from shaking or displacement distortion between the outer pipe body and the inner pipe body.
Preferably, the lower end face of the second connecting block is provided with a groove, the inner surface of the groove is provided with a second thread, and the first thread and the second thread are matched with each other in the process of butt joint of the two oil pipes in the head-tail mode conveniently, and the two oil pipes are tightly connected through threads.
Preferably, the groove is corresponding to the first connecting block in size, so that when two oil pipes are conveniently butted, the first connecting block is butted in the groove, and a large gap is prevented from being generated between the first connecting block and the groove after the two oil pipes are butted.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the utility model, when the oil pipe is used, the stainless steel armor is arranged on the outer pipe body, so that the outer pipe body is protected from being corroded by petroleum or damaged due to collision with a well wall, the anti-corrosion layer is arranged on the inner pipe body, the inner pipe body is prevented from being corroded by crude oil in the process of conveying crude oil, the aerogel is arranged between the outer pipe body and the inner pipe body, the thickness of the aerogel is 10mm, the wall thickness of the oil pipe is reduced, the conveying effect of the oil pipe is improved, meanwhile, the high temperature resistance and the heat insulation performance of the aerogel play a role in heat insulation of the oil pipe, the crude oil in the oil pipe is prevented from being changed into dense due to the influence of the external temperature of the earth crust in the rising process, and the heat insulation effect of the anti-corrosion heat insulation oil pipe in the process of conveying crude oil is improved.
2. According to the utility model, when the anti-skid oil pipe is used, the plurality of anti-skid grains are uniformly formed on the inner surface of the outer pipe body, so that the friction force between the aerogel heat-insulating layer and the outer pipe body is increased, the aerogel filled between the outer pipe body and the inner pipe body is kept stable, meanwhile, the interference block is used for interfering the upper part of the aerogel, so that the aerogel is prevented from twisting and dislocation between the outer pipe body and the inner pipe body, the heat-insulating effect of the oil pipe is influenced, and the heat-insulating effect of the anti-corrosion heat-insulating oil pipe in crude oil conveying is further improved.
Drawings
Fig. 1 is a perspective view of an anti-corrosion heat-insulation oil pipe provided by the utility model;
fig. 2 is a schematic structural development diagram of an anti-corrosion heat-insulation oil pipe according to the present utility model;
FIG. 3 is a schematic diagram of a part of the structure of an anti-corrosion heat-insulation oil pipe according to the present utility model;
fig. 4 is a cross-sectional view of an anti-corrosion heat-insulation oil pipe according to the present utility model.
Legend description: 1. stainless steel armor; 2. an inner tube body; 3. an anti-corrosion layer; 4. an aerogel; 5. an outer tube body; 6. a collision block; 7. a sealing block; 8. a first connection block; 9. a first thread; 10. anti-skid lines; 11. a second connection block; 12. a groove; 13. and a second thread.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Example 1
Referring to fig. 1-4, the present utility model provides a technical solution: an anti-corrosion heat-insulating oil pipe, comprising: the second connecting block 11, the surface fixedly connected with outer body 5 of second connecting block 11, the surface of outer body 5 is provided with stainless steel armor 1, the internal surface fixedly connected with inner tube body 2 of second connecting block 11, the internal surface of inner tube body 2 is provided with anticorrosive coating 3, be provided with aerogel 4 between the surface of the internal surface of outer tube body 5 and inner tube body 2, the equal fixedly connected with sealing block 7 of up end of outer tube body 5 and inner tube body 2, sealing block 7's up end fixedly connected with first connecting block 8, first screw thread 9 has been seted up to the internal surface of first connecting block 8.
As shown in fig. 2, a plurality of anti-skidding lines 10 are evenly formed on the inner surface of the outer pipe body 5, the anti-skidding lines 10 are matched with the aerogel 4, a heat preservation cavity is formed between the inner surface of the outer pipe body 5 and the outer surface of the inner pipe body 2, the aerogel 4 plays a role in heat preservation of an oil pipe through being arranged in the heat preservation cavity, the contact surface between the aerogel 4 and the outer pipe body 5 is conveniently increased through the plurality of anti-skidding lines 10 formed on the inner surface of the outer pipe body 5, and the aerogel 4 is kept stable when being filled between the outer pipe body 5 and the inner pipe body 2.
As shown in fig. 2 and fig. 4, the lower end face of the sealing block 7 is fixedly connected with a supporting block 6, the supporting block 6 and the aerogel 4 are arranged in a matched mode, the upper portion of the aerogel 4 filled in the heat preservation cavity is provided with a supporting effect on the lower end face of the supporting block 6, and the supporting block 6 is convenient to support above the aerogel 4, so that the outer pipe body 5 and the inner pipe body 2 can keep stable.
Example 2
As shown in fig. 2 and 4, the outer surface and the inner surface of the abutting block 6 are respectively attached to the inner surface of the outer pipe body 5 and the outer surface of the inner pipe body 2, so that the outer surface of the abutting block 6 is conveniently and tightly attached between the outer pipe body 5 and the inner pipe body 2, and meanwhile, the aerogel 4 is abutted, and shaking or displacement distortion of the aerogel 4 is prevented from being generated between the outer pipe body 5 and the inner pipe body 2.
As shown in fig. 3 and fig. 4, the lower end surface of the second connecting block 11 is provided with a groove 12, and the inner surface of the groove 12 is provided with a second thread 13, so that the first thread 9 and the second thread 13 are matched and tightly connected together in the process of butt joint of two oil pipes.
As shown in fig. 3 and 4, the size of the groove 12 corresponds to that of the first connecting block 8, so that when two oil pipes are conveniently butted, the first connecting block 8 is butted in the groove 12, and a large gap is prevented from being generated between the first connecting block 8 and the groove 12 after the two oil pipes are butted.
The application method and the working principle of the device are as follows: when the anti-corrosion heat-insulation oil pipe is used, firstly, aerogel 4 is filled in a heat-insulation cavity formed between an outer pipe body 5 and an inner pipe body 2, the thickness of the aerogel 4 is 10mm, the anti-corrosion heat-insulation oil pipe has good heat-insulation effect, a plurality of anti-slip lines 10 are uniformly formed on the inner surface of the outer pipe body 5, the contact surface of the aerogel 4 and the outer pipe body 5 is increased, the friction force between the aerogel 4 and the outer pipe body 5 is increased, sliding or twisting displacement of the aerogel 4 in the heat-insulation cavity in the use process is avoided, the heat-insulation effect of the aerogel 4 on the oil pipe is influenced, the sealing block 7 is fixed on the upper end surfaces of the outer pipe body 5 and the inner pipe body 2, the effect of sealing the heat-insulation cavity is achieved, meanwhile, the abutting block 6 arranged on the lower end surface of the sealing block 7 abuts against the upper side of the aerogel 4, the heat-insulation cavity is kept stable, and when the upper end of one oil pipe is fixedly installed with the bottom of the other oil pipe in the head-to-tail connection of the two oil pipes, the first connecting block 8 can be inserted into the groove 12 formed in the second connecting block 11, one oil pipe is rotated simultaneously, the first thread 9 and the second thread 13 are connected together through threads, the first connecting block 8 in the oil pipe positioned below can be tightly fixed in the second connecting block 11 at the bottom of the other oil pipe, the communicating pipe formed by a plurality of oil pipes is lifted to the ground from top to bottom, meanwhile, the stainless steel armor 1 is arranged on the outer surface of the outer pipe body 5, the effect of protecting the oil pipe is played, the outer surface of the oil pipe is prevented from being damaged by collision with the pipe wall, the corrosion-resistant layer 3 is arranged on the inner surface of the inner pipe body 2, the inner pipe body 2 is prevented from being corroded by oil in the conveying process, and the stainless steel armor 1, the corrosion-resistant layer 3 and the aerogel 4 are arranged on the inner surface and the outer surface of the oil pipe, so that the oil pipe is wear-resistant, the effects of corrosion resistance and heat insulation are achieved, and the practicability of the corrosion-resistant heat-insulation oil pipe is improved.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. An anti-corrosion heat-insulating oil pipe, which is characterized by comprising:
the second connecting block (11), the surface fixedly connected with outer body (5) of second connecting block (11), the surface of outer body (5) is provided with stainless steel armor (1), the internal surface fixedly connected with inner tube body (2) of second connecting block (11), the internal surface of inner tube body (2) is provided with anticorrosive coating (3), be provided with aerogel (4) between the surface of the internal surface of outer body (5) and inner tube body (2), the up end of outer body (5) and inner tube body (2) all fixedly connected with sealing block (7), the up end fixedly connected with first connecting block (8) of sealing block (7), first screw thread (9) have been seted up to the internal surface of first connecting block (8).
2. The anti-corrosion heat-insulating oil pipe according to claim 1, wherein: a plurality of anti-skidding lines (10) are uniformly formed in the inner surface of the outer tube body (5), and the anti-skidding lines (10) are arranged in a matched mode with the aerogel (4).
3. The anti-corrosion heat-insulating oil pipe according to claim 1, wherein: the lower end face of the sealing block (7) is fixedly connected with an abutting block (6), and the abutting block (6) is arranged in a matched mode with the aerogel (4).
4. A corrosion-resistant, heat-insulating and heat-preserving oil pipe according to claim 3, wherein: the outer surface and the inner surface of the abutting block (6) are respectively attached to the inner surface of the outer pipe body (5) and the outer surface of the inner pipe body (2).
5. The anti-corrosion heat-insulating oil pipe according to claim 1, wherein: the lower end face of the second connecting block (11) is provided with a groove (12), and the inner surface of the groove (12) is provided with a second thread (13).
6. The anti-corrosion heat-insulating oil pipe according to claim 5, wherein: the groove (12) corresponds to the first connecting block (8) in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322274666.3U CN220504953U (en) | 2023-08-23 | 2023-08-23 | Anti-corrosion heat-insulation oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322274666.3U CN220504953U (en) | 2023-08-23 | 2023-08-23 | Anti-corrosion heat-insulation oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220504953U true CN220504953U (en) | 2024-02-20 |
Family
ID=89882975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322274666.3U Active CN220504953U (en) | 2023-08-23 | 2023-08-23 | Anti-corrosion heat-insulation oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220504953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780267A (en) * | 2024-02-26 | 2024-03-29 | 胜利油田胜机石油装备有限公司 | Novel aerogel heat insulation oil sleeve |
-
2023
- 2023-08-23 CN CN202322274666.3U patent/CN220504953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780267A (en) * | 2024-02-26 | 2024-03-29 | 胜利油田胜机石油装备有限公司 | Novel aerogel heat insulation oil sleeve |
| CN117780267B (en) * | 2024-02-26 | 2024-04-30 | 胜利油田胜机石油装备有限公司 | Novel aerogel heat insulation oil sleeve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220504953U (en) | Anti-corrosion heat-insulation oil pipe | |
| AU672916B2 (en) | Multiple-seal underwater pipe-riser connector | |
| CN204252847U (en) | Insulated tubing is wrapped up in outside a kind of wear-and corrosion-resistant | |
| CN204252846U (en) | Insulated tubing is wrapped up in outside a kind of | |
| CN107559502B (en) | Underwater attached self-stabilizing oil and gas conveying pipeline | |
| CN206530819U (en) | A kind of pipeline insulation connecting component for electrochemical anticorrosion | |
| CN204062204U (en) | A kind of wear-and corrosion-resistant liner insulated tubing | |
| CN210344724U (en) | Prefabricated direct-burried insulating tube | |
| CN103014723B (en) | Corrosion controller of oil well production equipment and sucker rod employing controller | |
| CN206513312U (en) | One kind cladding sucker rod | |
| CN106014269B (en) | A kind of oil well heat-insulation and heat-preservation abrasionproof oil pipe | |
| CN209484087U (en) | A kind of anticorrosion sucker rod in oil field | |
| CN203067978U (en) | Composite oil pipe with anti-corrosion wear-resistant inner lining | |
| CN213839886U (en) | Anti-oxidation high-temperature-resistant seamless steel pipe | |
| CN204328236U (en) | The standoff new type compound Glass Steel Tube of a kind of band | |
| CN210564385U (en) | Detachable inner heat-insulating oil pipe in oil pipe | |
| CN220118834U (en) | Heat insulation type pipe capable of preventing self-sliding | |
| CN209494531U (en) | Wear-and corrosion-resistant thermal insulation tubing | |
| CN208090089U (en) | A kind of natural gas line of wear resistant corrosion resistant | |
| CN205117330U (en) | Slim -hole array response glass steel shell | |
| CN203049042U (en) | Oil extraction equipment corrosion controller of oil well and oil pumping rod adopting same | |
| CN205638251U (en) | Oil well is with thermal -insulated heat preservation abrasionproof oil pipe | |
| CN204328242U (en) | A kind of new type compound Glass Steel Tube | |
| CN203215097U (en) | Novel long-distance and corrosion-resistant oil pipeline component | |
| CN214839296U (en) | Heat-insulating and corrosion-resistant petroleum pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |