CN209494531U - Wear-and corrosion-resistant thermal insulation tubing - Google Patents
Wear-and corrosion-resistant thermal insulation tubing Download PDFInfo
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- CN209494531U CN209494531U CN201920055232.5U CN201920055232U CN209494531U CN 209494531 U CN209494531 U CN 209494531U CN 201920055232 U CN201920055232 U CN 201920055232U CN 209494531 U CN209494531 U CN 209494531U
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- thermal insulation
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Abstract
Inner thermal insulating layer and outer heat insulation layer is respectively set in a kind of wear-and corrosion-resistant thermal insulation tubing, the inside and outside of oil pipe；Inner thermal insulating layer includes the first heat-reflecting layer, first thermal insulation layer and the interior protection pipe that ecto-entad is set gradually; outer heat insulation layer includes the second heat-reflecting layer and second thermal insulation layer; the outer surface spraying setting third heat-reflecting layer at oil pipe both ends; the without screw thread part spraying setting anticorrosive heat insulating layer of box cupling inner surface, outer surface spraying the 4th heat-reflecting layer of setting of box cupling.The utility model can effectively reduce the natural thermal loss that downhole crude and hot water flow to well head from shaft bottom, improve Wellhead crue oil and hot well wellhead temperature；The technical problems such as internal corrosion and the rod and tube partial-wear of oil pipe can be thoroughly solved, rod tube damage is reduced, reduces underground work workload；The frictional resistance between rod-pumped well rod tube is reduced, rod tube damage is reduced, reduces underground work workload, substantially reduce cost of oil production.
Description
Technical field
The utility model relates to the technical field of oil production equipment, specifically a kind of wear-and corrosion-resistant thermal insulation tubing.
Background technique
Oil pipe is generallyd use in the actual production process of oil field at present or anti-corrosion flow string is produced, due to oil pipe and
Anti-corrosion production pipe itself does not add any heat-insulation and heat-preservation measure, and this oil production method is caused largely to lose there are crude oil self heat
Problem, frictional force will increase accordingly when the temperature of crude oil reduces, and cause oil recovery energy consumption higher, and the rod tube in oil recovery is also easy damage
It is bad.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of wear-and corrosion-resistant thermal insulation tubings.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique:
The both ends of oil pipe, oil pipe is arranged in the wear-and corrosion-resistant thermal insulation tubing of the utility model, including oil pipe and box cupling, box cupling
Inside and outside inner thermal insulating layer and outer heat insulation layer is respectively set；Inner thermal insulating layer includes that the first heat for setting gradually of ecto-entad is anti-
Layer, first thermal insulation layer and interior protection pipe are penetrated, the inner wall of oil pipe is arranged in the first heat-reflecting layer, and first thermal insulation layer setting is in the first heat
On the inside of reflecting layer, interior protection pipe is arranged on the inside of first thermal insulation layer, and the length of interior protection pipe is greater than tubing length, interior protection pipe
Both ends the both ends of oil pipe are wrapped by hot melt；The middle position outside oil pipe is arranged in outer heat insulation layer, and outer heat insulation layer includes
Second heat-reflecting layer and second thermal insulation layer, for the setting of the second heat-reflecting layer in oil-pipe external wall, second thermal insulation layer setting is anti-in the second heat
It penetrates on the outside of layer, and the length of outer heat insulation layer is less than tubing length；The outer surface spraying setting third heat-reflecting layer at oil pipe both ends, the
Three heat-reflecting layers are superimposed with each other with outer heat insulation layer.
The utility model can also use following technical measures:
The without screw thread part spraying setting anticorrosive heat insulating layer of the box cupling inner surface, the outer surface spraying setting the of box cupling
Four heat-reflecting layers.
Isolated tube is arranged on the outside of the oil pipe, outer heat insulation layer all standing, the length of isolated tube are less than oil by isolated tube
Length of tube.
The utility model has the advantages and positive effects of:
In the wear-and corrosion-resistant thermal insulation tubing of the utility model, it can effectively reduce downhole crude and hot water is flow to from shaft bottom
The crude oil nature thermal loss of well head improves Wellhead crue oil temperature and hot well wellhead temperature；The interior corruption of oil pipe can thoroughly be solved
The technical problems such as erosion and column rod and tube partial-wear reduce rod tube damage, reduce underground work workload；Can reduce rod-pumped well rod tube it
Between frictional resistance, reduce pumping unit load simultaneously reach more significant power savings；It is finally reached energy-saving and emission-reduction, reduces rod tube damage
It is bad, underground work workload is reduced, cost of oil production is substantially reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the wear-and corrosion-resistant thermal insulation tubing of the utility model；
Fig. 2 is the schematic cross-section of the wear-and corrosion-resistant thermal insulation tubing of the utility model；
Fig. 3 is the schematic diagram of the wear-and corrosion-resistant thermal insulation tubing box cupling of the utility model.
Specific embodiment
The technical solution of the utility model is described in detail below by way of the drawings and specific embodiments.
As depicted in figs. 1 and 2, the wear-and corrosion-resistant thermal insulation tubing of the utility model, including oil pipe 3 and box cupling, box cupling setting
At the both ends of oil pipe, inner thermal insulating layer 2 and outer heat insulation layer 5 is respectively set in the inside and outside of oil pipe；Inner thermal insulating layer 2 includes by extroversion
The reflecting layer inside set gradually and insulating layer, most the inside are interior protection pipes 1, and the heat-reflecting layer in inner thermal insulating layer 2 pastes setting and exists
The inner wall of oil pipe 3, thermal insulation layer spraying are arranged on the inside of heat-reflecting layer, and insulation thickness 2mm, interior protection pipe 1 is arranged heat-insulated
Layer inside, interior protection pipe 1 are made of anticorrosion antiwear material, and the length of interior protection pipe 1 is greater than the length of oil pipe 3, interior protection pipe 1
Both ends the both ends of oil pipe 3 are wrapped by hot melt；The middle position outside oil pipe 3, outer heat insulation layer packet is arranged in outer heat insulation layer
Include heat-reflecting layer 4 and thermal insulation layer 5, the aggregate thickness of reflecting layer 4 and thermal insulation layer 5 is 3.5mm, and oil pipe 3 is arranged in heat-reflecting layer 4
Outer wall, the outside of heat-reflecting layer 4 is arranged in thermal insulation layer 5, and the length of outer reflective layer 4 and outer heat insulation layer 5 is less than the length of oil pipe 3
The both ends of degree, outer heat insulation layer are respectively retracted 400mm relative to the both ends of oil pipe 3, and outer heat insulation layer can be multiple according to actual use situation
Repeat package setting；The both ends outer surface of oil pipe 3 sprays heat-reflecting material, and it is 900mm that reflecting material, which sprays length, with external thermal insulation
Layer is superimposed with each other, and congruent region length is 500mm；Screw thread is arranged in box cupling inner surface, and box cupling is connected by screw thread with oil pipe,
The without screw thread part spraying setting anticorrosive heat insulating layer of box cupling inner surface 7, the outer surface 8 of box cupling sprays heat reflection coatings.
The outside of oil pipe 3 sets isolated tube 6, and isolated tube 6 is by outer heat insulation layer all standing, and the both ends of isolated tube 6 are relative to outer guarantor
Warm layer both ends have more 100mm respectively, and the length of isolated tube 6 is less than the length of oil pipe 3 thus when cooperating with oil pipe 3 by external thermal insulation
Layer is sealed with extraneous.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, it is any however, be not intended to limit the utility model although the utility model has been described by way of example and in terms of the preferred embodiments
Those skilled in the art are not departing within the scope of technical solutions of the utility model, certainly can be using in the technology disclosed
Appearance makes a little change or modification, becomes the equivalent embodiment of equivalent variations, but all without departing from technical solutions of the utility model
Content, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention,
It is all within the scope of the technical scheme of the utility model.
Claims (3)
1. the both ends of oil pipe are arranged in a kind of wear-and corrosion-resistant thermal insulation tubing, including oil pipe and box cupling, box cupling, it is characterised in that: oil
Inner thermal insulating layer and outer heat insulation layer is respectively set in the inside and outside of pipe；Inner thermal insulating layer includes the first heat that ecto-entad is set gradually
The inner wall of oil pipe is arranged in reflecting layer, first thermal insulation layer and interior protection pipe, the first heat-reflecting layer, and first thermal insulation layer is arranged first
On the inside of heat-reflecting layer, interior protection pipe is arranged on the inside of first thermal insulation layer, and the length of interior protection pipe is greater than tubing length, interior protection
The both ends of pipe wrap the both ends of oil pipe by hot melt；The middle position outside oil pipe, outer heat insulation layer packet is arranged in outer heat insulation layer
The second heat-reflecting layer and second thermal insulation layer are included, the setting of the second heat-reflecting layer is in oil-pipe external wall, and second thermal insulation layer setting is in the second heat
On the outside of reflecting layer, and the length of outer heat insulation layer is less than tubing length；The outer surface spraying setting third heat-reflecting layer at oil pipe both ends,
Third heat-reflecting layer is superimposed with each other with outer heat insulation layer.
2. wear-and corrosion-resistant thermal insulation tubing according to claim 1, it is characterised in that: spray the without screw thread part of box cupling inner surface
Apply setting anticorrosive heat insulating layer, outer surface spraying the 4th heat-reflecting layer of setting of box cupling.
3. wear-and corrosion-resistant thermal insulation tubing according to claim 2, it is characterised in that: isolated tube is arranged on the outside of oil pipe, every
From pipe by outer heat insulation layer all standing, the length of isolated tube is less than tubing length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055232.5U CN209494531U (en) | 2019-01-14 | 2019-01-14 | Wear-and corrosion-resistant thermal insulation tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055232.5U CN209494531U (en) | 2019-01-14 | 2019-01-14 | Wear-and corrosion-resistant thermal insulation tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494531U true CN209494531U (en) | 2019-10-15 |
Family
ID=68155241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920055232.5U Active CN209494531U (en) | 2019-01-14 | 2019-01-14 | Wear-and corrosion-resistant thermal insulation tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209494531U (en) |
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2019
- 2019-01-14 CN CN201920055232.5U patent/CN209494531U/en active Active
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