CN212804647U - High-pressure-resistant seamless steel pipe for oil exploitation - Google Patents
High-pressure-resistant seamless steel pipe for oil exploitation Download PDFInfo
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- CN212804647U CN212804647U CN202021329828.9U CN202021329828U CN212804647U CN 212804647 U CN212804647 U CN 212804647U CN 202021329828 U CN202021329828 U CN 202021329828U CN 212804647 U CN212804647 U CN 212804647U
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- steel pipe
- side wall
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- wall
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 101
- 239000010959 steel Substances 0.000 title claims abstract description 101
- 239000000919 ceramic Substances 0.000 claims description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 11
- 239000011701 zinc Substances 0.000 claims description 11
- 229910052725 zinc Inorganic materials 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920002050 silicone resin Polymers 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 238000005536 corrosion prevention Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000003466 welding Methods 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 12
- 238000004321 preservation Methods 0.000 description 9
- 239000004411 aluminium Substances 0.000 description 7
- 238000003475 lamination Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an oil is opened and is adopted high pressure resistant seamless steel pipe, including the steel pipe body, the welding has the equidistance to be the lug that the annular structure distributes on the lateral wall of steel pipe body, and the welding has the flange that is equidistance structure and distributes on the outer wall that the steel pipe body is close to lug port department, and the lug is the alternating expression structural distribution with the flange, has cup jointed the lantern ring on the lateral wall of steel pipe body, and the lantern ring has the spacing ring on being close to the inside wall of steel pipe body one end, has seted up the slot on the top outer wall of spacing ring. The utility model discloses the lug joint is in the inside of first recess under the rotation of steel pipe body, and lantern ring threaded connection is in the outside of go-between, and the flange is pegged graft in the inside of the inside second recess of go-between, can make things convenient for the connection between the steel pipe body for the resistance of steel pipe body junction is little, is favorable to the simple structure of fluid transport and steel pipe body, and the shaping is convenient in the manufacturing process, and the process is simple, is fit for the volume production.
Description
Technical Field
The utility model relates to a seamless steel pipe technical field especially relates to a high pressure resistant seamless steel pipe is used in oil development.
Background
The seamless steel pipe has a hollow section and is widely used as a pipeline for conveying fluid, such as pipelines for conveying oil, natural gas, coal gas, water and certain solid materials; compared with solid steel such as round steel, the steel pipe has the advantages of same bending strength and torsion strength and lighter weight, is steel with an economic section, is widely used for manufacturing structural parts and mechanical parts, such as petroleum drill pipes, automobile transmission shafts, bicycle frames, steel scaffold used in building construction and the like, and is widely manufactured by using the steel pipe, so that the material utilization rate can be improved, the manufacturing process is simplified, the material and the processing time are saved, and the steel pipe is widely used for manufacturing.
When the seamless steel pipe is connected, the seamless steel pipe is generally connected by welding, so that the steel pipe is troublesome to replace after being damaged, and the structural strength and the shock resistance of the seamless steel pipe can be changed under the high-temperature condition. Therefore, it is necessary to design a high pressure seamless steel pipe for oil development to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-pressure-resistant seamless steel pipe for oil exploitation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an oil is opened and is adopted high pressure resistant seamless steel pipe, includes the steel pipe body, the welding has the equidistance to be the lug that the annular structure distributes on the lateral wall of steel pipe body, and the welding has the flange that is equidistance structure and distributes on the outer wall that the steel pipe body is close to lug port department, the lug is the alternating expression structural distribution with the flange, the lantern ring has been cup jointed on the lateral wall of steel pipe body, and the lantern ring has the spacing ring on being close to the inside wall of steel pipe body one end, seted up the slot on the top outer wall of spacing ring, and the specification of slot and the specification looks adaptation of lug, the spacing ring is located and has seted up first recess on the inside one side outer wall of lantern ring, and the lug joint is in the inside of first recess, the.
Furthermore, the center department welding of go-between lateral wall has the antiskid ring, and the center department welding of go-between inside wall has the equidistance to be the connecting block that the annular structure distributes, the go-between has seted up the second recess on being close to the inside wall of connecting block, and the flange pegs graft in the inside of second recess.
Further, the steel pipe body includes the steel pipe base member, the parcel has the ceramic layer on the lateral wall of steel pipe base member, and has suppressed outer pillar layer on the lateral wall of ceramic layer, the coating has silicone resin high temperature resistant insulating layer on the lateral wall of outer pillar layer, and the parcel has coated the ceramic fiber heat preservation on the lateral wall of silicone resin high temperature resistant insulating layer, the stainless steel heat reflection layer has been cup jointed on the lateral wall of ceramic fiber heat preservation.
Furthermore, a zinc transition layer is welded on the inner side wall of the steel pipe base body, and an aluminum layer is welded on the inner side wall of the zinc transition layer.
Furthermore, the inner side wall of the aluminum layer is coated with a low-pressure polyethylene anticorrosive coating, and the outer side wall of the stainless steel heat reflection layer is coated with a high-temperature-resistant antirust coating.
The utility model has the advantages that:
1. through the steel pipe body that sets up, the lantern ring and go-between, the lug joint is in the inside of first recess under the rotation of steel pipe body, and lantern ring threaded connection is in the outside of go-between, and the flange is pegged graft in the inside of the inside second recess of go-between, can make things convenient for the connection between the steel pipe body for the resistance of steel pipe body junction is little, is favorable to the simple structure of fluid transport and steel pipe body, and the shaping is convenient in the manufacturing process, and the process is simple, is fit for the volume production.
2. Through stainless steel reflection stratum, ceramic fiber heat preservation, the ceramic layer that sets up, the mechanical properties of ceramic layer under the high temperature condition of improvement steel pipe, especially pressure resistance can the time, through its low thermal conductivity, prevents thermal radiation, makes the steel pipe body have fine heat preservation effect through stainless steel heat reflection stratum and ceramic fiber heat preservation simultaneously.
3. Through the zinc transition layer and the aluminium lamination that set up, the aluminium lamination makes the steel pipe base member have better corrosion resisting property, and the zinc transition layer makes aluminium lamination and steel pipe base member compound more firm, prevents the emergence of layering phenomenon.
Drawings
FIG. 1 is a schematic structural view of a high pressure resistant seamless steel pipe for oil exploitation according to the present invention;
FIG. 2 is a schematic diagram of an explosion structure of a high pressure resistant seamless steel pipe for oil exploitation according to the present invention;
FIG. 3 is a schematic view of a connection ring structure of a high pressure resistant seamless steel pipe for oil exploitation according to the present invention;
FIG. 4 is a schematic structural view of a steel pipe body of a high pressure resistant seamless steel pipe for oil exploitation according to the present invention;
fig. 5 is the utility model provides a steel pipe base structure schematic diagram of high pressure resistant seamless steel pipe is used in oil development.
In the figure: the steel tube comprises a steel tube body 1, a lantern ring 2, a connecting ring 3, a convex block 4, a convex plate 5, a limiting ring 6, a slot 7, a first groove 8, an anti-slip ring 9, a connecting block 10, a second groove 11, a stainless steel heat reflection layer 12, a ceramic fiber heat insulation layer 13, a high-temperature heat insulation layer of organic silicon resin 14, an outer protective pipe layer 15, a ceramic layer 16, a steel tube base body 17, a zinc transition layer 18 and an aluminum layer 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, a high pressure resistant seamless steel pipe for oil exploitation comprises a steel pipe body 1, wherein the outer side wall of the steel pipe body 1 is welded with bumps 4 distributed in an annular structure at equal intervals, the outer wall of the steel pipe body 1 near the end of the bumps 4 is welded with convex plates 5 distributed in an equal-interval structure, the bumps 4 and the convex plates 5 are distributed in a staggered structure, the outer side wall of the steel pipe body 1 is sleeved with a lantern ring 2, the inner side wall of the lantern ring 2 near one end of the steel pipe body 1 is welded with a limit ring 6, the top outer wall of the limit ring 6 is provided with a slot 7, the specification of the slot 7 is matched with the specification of the bump 4, the outer wall of one side of the limit ring 6 positioned inside the lantern ring 2 is provided with a first groove 8, the bump 4 is clamped inside the first groove 8, the other end of the lantern ring 2 far away from the limit ring 6 is connected with a connecting ring 3 in a threaded manner, the, and 2 threaded connection of lantern ring is in the outside of go-between 3, and the connection between steel pipe body 1 can be made things convenient for in the inside of the inside second recess 11 of go-between 3 to flange 5 pegs graft for the resistance of steel pipe body 1 junction is little, is favorable to fluid transport and steel pipe body 1's simple structure, and the shaping is convenient in the manufacturing process, and the process is simple, is fit for the volume production.
Further, the welding of the center department of go-between 3 lateral walls has anti-slip ring 9, and the welding of the center department of the 3 inside walls of go-between has connecting block 10 that the equidistance is the annular structure and distributes, go-between 3 has seted up second recess 11 on being close to the inside wall of connecting block 10, and flange 5 pegs graft in the inside of second recess 11, anti-skidding stripe has been seted up on anti-slip ring 9's the lateral wall, it is more convenient when making anti-slip ring 9 rotatory, and flange 5 pegs graft in the inside of second recess 11, can make 1 port department of steel pipe body connect compacter, and then the leakproofness of 1 port department of steel pipe body connection has been promoted.
Further, steel pipe body 1 includes steel pipe base member 17, it has ceramic layer 16 to wrap up on steel pipe base member 17's the lateral wall, and it has outer pillar layer 15 to suppress on ceramic layer 16's the lateral wall, it has organosilicon resin high temperature resistant insulating layer 14 to coat on outer pillar layer 15's the lateral wall, and it has ceramic fiber heat preservation 13 to wrap up on organosilicon resin high temperature resistant insulating layer 14's the lateral wall, stainless steel heat reflection layer 12 has been cup jointed on ceramic fiber heat preservation 13's the lateral wall, ceramic layer 16 is improving the mechanical properties under the steel pipe high temperature condition, especially when pressure resistance, through its low thermal conductivity, prevent thermal radiation, make steel pipe body 1 have fine heat preservation effect through stainless steel heat reflection layer 12 and ceramic fiber heat preservation 13 simultaneously.
Further, the welding has zinc transition layer 18 on the inside wall of steel pipe base member 17, and the welding has aluminium lamination 19 on the inside wall of zinc transition layer 18, and aluminium lamination 19 makes steel pipe base member 17 have better corrosion resisting property, and zinc transition layer 18 makes aluminium lamination 19 and steel pipe base member 17 more firm, prevents the emergence of layering phenomenon.
Further, the coating has low pressure polyethylene anticorrosive coating on the inside wall of aluminium layer 19, and the coating has high temperature resistant antirust coating, low pressure polyethylene anticorrosive coating and high temperature resistant antirust coating on the lateral wall of stainless steel heat reflection layer 12 for steel pipe body 1 has fine rust-resistant, anticorrosive effect, and then has prolonged steel pipe body 1's life.
The working principle is as follows: when the high-pressure-resistant seamless steel pipe is used for petroleum exploitation, the convex block 4 is clamped inside the first groove 8 under the rotation of the steel pipe body 1, the lantern ring 2 is in threaded connection with the outside of the connecting ring 3, the convex plate 5 is inserted inside the second groove 11 inside the connecting ring 3, the connection between the steel pipe bodies 1 can be facilitated, the resistance of the joint of the steel pipe bodies 1 is small, the fluid conveying is facilitated, the structure of the steel pipe body 1 is simple, the forming is convenient in the manufacturing process, the working procedure is simple, the high-pressure-resistant seamless steel pipe is suitable for mass production, the ceramic layer 16 improves the mechanical performance of the steel pipe under the high-temperature condition, particularly the pressure resistance, the radiation of heat is prevented through the low thermal conductivity, meanwhile, the steel pipe body 1 has a good heat insulation effect through the stainless steel heat reflection layer 12 and the ceramic fiber heat insulation layer 13, and the, the zinc transition layer 18 ensures that the aluminum layer 19 and the steel pipe base body 17 are more firmly compounded, and the layering phenomenon is prevented.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The high-pressure-resistant seamless steel pipe for oil exploitation comprises a steel pipe body (1) and is characterized in that convex blocks (4) which are distributed in an annular structure at equal intervals are welded on the outer side wall of the steel pipe body (1), convex plates (5) which are distributed in an equal-interval structure are welded on the outer wall, close to the port of the convex blocks (4), of the steel pipe body (1), the convex blocks (4) and the convex plates (5) are distributed in a staggered structure, a lantern ring (2) is sleeved on the outer side wall of the steel pipe body (1), a limiting ring (6) is welded on the inner side wall, close to one end of the steel pipe body (1), of the lantern ring (2), a slot (7) is formed in the outer wall of the top of the limiting ring (6), the specification of the slot (7) is matched with that of the convex blocks (4), a first groove (8) is formed in the outer wall, on one side, and the lug (4) is clamped in the first groove (8), and the other end of the lantern ring (2) far away from the limiting ring (6) is in threaded connection with the connecting ring (3).
2. The high-pressure-resistant seamless steel tube for oil exploitation according to claim 1, wherein an anti-slip ring (9) is welded at the center of the outer side wall of the connecting ring (3), connecting blocks (10) distributed in an annular structure at equal intervals are welded at the center of the inner side wall of the connecting ring (3), a second groove (11) is formed in the inner side wall, close to the connecting blocks (10), of the connecting ring (3), and the convex plate (5) is inserted into the second groove (11).
3. The high-pressure-resistant seamless steel tube for oil development as claimed in claim 1, wherein the steel tube body (1) comprises a steel tube base body (17), a ceramic layer (16) is wrapped on the outer side wall of the steel tube base body (17), an outer protective tube layer (15) is pressed on the outer side wall of the ceramic layer (16), a silicone resin high-temperature-resistant heat insulation layer (14) is wrapped on the outer side wall of the outer protective tube layer (15), a ceramic fiber heat insulation layer (13) is wrapped on the outer side wall of the silicone resin high-temperature-resistant heat insulation layer (14), and a stainless steel heat reflection layer (12) is sleeved on the outer side wall of the ceramic fiber heat insulation layer (13).
4. The high-pressure-resistant seamless steel pipe for oil development according to claim 3, wherein a zinc transition layer (18) is welded on the inner side wall of the steel pipe base body (17), and an aluminum layer (19) is welded on the inner side wall of the zinc transition layer (18).
5. The seamless steel pipe with high pressure resistance for oil development according to claim 4, characterized in that the inner side wall of the aluminum layer (19) is coated with a low pressure polyethylene corrosion prevention layer, and the outer side wall of the stainless steel heat reflection layer (12) is coated with a high temperature resistant rust prevention coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329828.9U CN212804647U (en) | 2020-07-09 | 2020-07-09 | High-pressure-resistant seamless steel pipe for oil exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329828.9U CN212804647U (en) | 2020-07-09 | 2020-07-09 | High-pressure-resistant seamless steel pipe for oil exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212804647U true CN212804647U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021329828.9U Expired - Fee Related CN212804647U (en) | 2020-07-09 | 2020-07-09 | High-pressure-resistant seamless steel pipe for oil exploitation |
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| Country | Link |
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| CN (1) | CN212804647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183629A (en) * | 2021-11-15 | 2022-03-15 | 核工业西南物理研究院 | Pipeline heat-insulating layer structure capable of being locally disassembled and assembled and design and installation method thereof |
-
2020
- 2020-07-09 CN CN202021329828.9U patent/CN212804647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183629A (en) * | 2021-11-15 | 2022-03-15 | 核工业西南物理研究院 | Pipeline heat-insulating layer structure capable of being locally disassembled and assembled and design and installation method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20210326 |