CN201126068Y - External anti-corrosive internal abrasion-proof composite oil manifold - Google Patents
External anti-corrosive internal abrasion-proof composite oil manifold Download PDFInfo
- Publication number
- CN201126068Y CN201126068Y CNU2007203052319U CN200720305231U CN201126068Y CN 201126068 Y CN201126068 Y CN 201126068Y CN U2007203052319 U CNU2007203052319 U CN U2007203052319U CN 200720305231 U CN200720305231 U CN 200720305231U CN 201126068 Y CN201126068 Y CN 201126068Y
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- China
- Prior art keywords
- oil
- oil pipe
- pipe
- utility
- model
- 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.)
- Expired - Fee Related
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to an externally-antiseptic and internally-wearable combined oil pipe, which is used for the field of oil field, oil drilling well, flooding well and so on. The outer surface of the man structure oil pipe is tight adhered with PE antiseptic protective layer; the main body oil pipe is embedded with high-dense polyethylene inner pipe which is antiseptic wearable and wax proof. The inner pipe uses the interference adhesive assembling structure with the plastic pipe material and the oil pipe, which makes the oil pipe and the inner pipe adhered tightly together without dropping and stripping. Thereby the oil pipe has great function of wear resistance, antisepsis, wax-proofing, which enhances the service life of the oil pipe. The utility model can be intensively applied to the oil drilling of the scouring oil well and the oil pillar of the flooding well. The utility model is suitable for the repairing and re-using for the old oil pipe, which reduces the exploiting cost of oil exploitation and enhances the working efficiency.
Description
Technical field
The utility model relates to a kind of oil field that is used for, and the outer anticorrosion interior wear-resisting composite oil pipe in fields such as oil recovery well, water injection well can be widely used for the oil recovery of eccentric wear oil well and the tubing string of water injection well.
Background technique
At present, the used composite oil pipe in oil field all is interior anticorrosion antiwear composite oil pipe, there is not outer anticorrosion interior wear-resisting composite oil pipe, and interior pipe assembly structure is the inserting assembly structure of interior external diameter of pipe less than pipe aperture, this assembly structure makes oil pipe separate with plastic inner pipe to come off, cause the generation of down-hole accident, cause workover eration.Bring a lot of inconvenience to oil field production, and increased cost of oil production.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art, provide a kind of outer anticorrosion in wear-resisting composite oil pipe.
The technical solution of the utility model is as follows.
A kind of outer anticorrosion interior wear-resisting composite oil pipe, main body is the steel oil pipe; On the outer wall of steel oil pipe, be provided with the PE anticorrosive coat; Be embedded with in the polyvinyl plastics at the steel oil pipe and manage.
Pipe is to adopt shape memory plastic tubing in the polyvinyl plastics, embeds by the gluing assembling of interference with the steel oil pipe.
The utility model has the advantages that: on the outer wall of oil pipe, be provided with the PE corrosion protective covering; be embedded with at oil pipe that high density polyethylene (HDPE) is wear-resisting, anticorrosion, manage in the wax control; interior pipe is to adopt shape memory plastic tubing; can embed by the gluing assembly structure of interference with oil pipe; oil pipe and interior pipe jointing are closely become one; do not come off, do not peel off, improved the working life of oil pipe.
Description of drawings
Accompanying drawing is the sectional structure schematic representation of the outer anticorrosion interior wear-resisting composite oil pipe of the utility model.
Among the figure 1, the steel oil pipe, 2, the PE external anti-corrosion layer, 3, pipe in the high density polyethylene (HDPE).
Embodiment
With reference to accompanying drawing, outer anticorrosion in wear-resisting composite oil pipe, its main body is a steel oil pipe 1, is provided with PE corrosion protective covering 2 at the outer wall of oil pipe 1, is embedded with at oil pipe 1 and manages 3 in the high density polyethylene (HDPE).
Pipe 3 has adopted shape memory plastic tubing in the described high-density polyethylene plastics, embeds by the gluing assembling of interference with steel oil pipe 1.
The PE external anti-corrosion layer of the outer anticorrosion interior wear-resisting composite oil pipe of the utility model is to adopt the once-through of plastics extrusion equipment, is coated on the oil pipe 1.
Claims (2)
1, a kind of outer anticorrosion interior wear-resisting composite oil pipe, main body is steel oil pipe (1), it is characterized in that: be provided with the PE anticorrosive coat on the outer wall of steel oil pipe (1); Be embedded with pipe (3) in the polyvinyl plastics at steel oil pipe (1).
2, outer anticorrosion interior wear-resisting composite oil pipe according to claim 1, it is characterized in that: pipe (3) adopts shape memory plastic tubing, embeds by the gluing assembling of interference with steel oil pipe (1) in the described polyvinyl plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203052319U CN201126068Y (en) | 2007-11-26 | 2007-11-26 | External anti-corrosive internal abrasion-proof composite oil manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203052319U CN201126068Y (en) | 2007-11-26 | 2007-11-26 | External anti-corrosive internal abrasion-proof composite oil manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201126068Y true CN201126068Y (en) | 2008-10-01 |
Family
ID=39999537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203052319U Expired - Fee Related CN201126068Y (en) | 2007-11-26 | 2007-11-26 | External anti-corrosive internal abrasion-proof composite oil manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201126068Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915423A (en) * | 2020-07-10 | 2022-01-11 | 国家能源投资集团有限责任公司 | Corrosion-resistant pipeline and application |
-
2007
- 2007-11-26 CN CNU2007203052319U patent/CN201126068Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915423A (en) * | 2020-07-10 | 2022-01-11 | 国家能源投资集团有限责任公司 | Corrosion-resistant pipeline and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20091228 |