CN2783088Y - Steel base composite pipe for preventing drilling to take oil - Google Patents
Steel base composite pipe for preventing drilling to take oil Download PDFInfo
- Publication number
- CN2783088Y CN2783088Y CN 200520080234 CN200520080234U CN2783088Y CN 2783088 Y CN2783088 Y CN 2783088Y CN 200520080234 CN200520080234 CN 200520080234 CN 200520080234 U CN200520080234 U CN 200520080234U CN 2783088 Y CN2783088 Y CN 2783088Y
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- CN
- China
- Prior art keywords
- steel
- pipe
- steel pipe
- oil
- layer
- 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)
- Earth Drilling (AREA)
Abstract
The utility model relates to a special pipe for preventing oil stealing by drilling holes and transporting oil and gas in oil or gas fields. The steel base composite special pipe for preventing oil stealing by drilling holes comprises a steel pipe, a bonding layer, a protective layer and an anticorrosive layer, wherein the protective layer is formed by steel plates in an arched butt joint processed through co-permeation, and the radius of the steel plates is slightly larger than that of the steel pipe; the space between the steel pipe and the protective layer and the space between the arched butt joint gaps are filled with epoxy resin by the bonding layer; the protective layer is uniformly and firmly glued to the steel pipe; the anticorrosive layer is formed by twisting unsaturated resin and glass cloth, and the resin is added with 35 percent silicon carbide or silicon nitride in the process of twisting, enhancing anticorrosive performance.
Description
Technical field
The utility model relates to a kind of oil, gas field gas transmission, oil transportation dedicated pipe, the dedicated pipe of the stolen of especially preventing burrowing.
Background technique
Existing oil transportation, the pneumatic tube that uses in oil field generally all adopts seamless steel pipe, the lawless person in the society be everlasting burrow on the pipeline stolen, steal gas, caused very big loss to the oil field, and severe contamination oily district environment.
Summary of the invention
In order to overcome the deficiency that existing oil transportation, pneumatic tube can not be antitheft, it is parent tube with the steel pipe that the utility model provides a kind of, the composite pipe of the stolen of preventing burrowing.
For solving the technological scheme that its technical problem adopts be: a kind of steel-based compound anti-punching and anti-oil stealing pipe comprises steel pipe, adhesive layer, protective coating, anticorrosive coat.Steel pipe can be selected the high, medium and low pressure pipe of different calibers for use according to the needs in oil field.Protective coating is formed by the steel plate arc butt joint that radius is slightly larger than steel pipe, this steel plate is that the cold rolled sheet system that 1.5-3mm is thick is grown into 3-4 rice, and corresponding 1/3 circular arc of radius and steel pipe is through ternary co-osmosized, infiltration layer be 0.05-0.1mm through Quenching Treatment, Rockwell hardness reaches more than 60.Adhesive layer utilizes epoxy resin to be full of between steel pipe and the protective coating and between the slit of arc butt joint, and is even, firm protective coating and steel pipe bonding.Anticorrosive coat selects for use unsaturated resin and glass cloth to be entwined, and resin adds 35% silicon carbide or silicon nitride in winding process, strengthens the anti-corrosion property energy.
The beneficial effects of the utility model are: because the resin in the anticorrosive coat has added silicon carbide or silicon nitride, strengthened the anti-corrosion property energy, and hard silicon compounds can damage the drill bit sharp sword when drill bit punches, make it more difficult damage protective coating.Because the protective coating of pipeline is through Carburization Treatment, and by epoxy resin with between steel pipe and the protective coating and be full of the adhesive layer that forms between the slit of arc butt joint and can make steel pipe and protective coating form one, its hardness increases and certain toughness is arranged, and can play the effect of anti-penetration.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Embodiment
Steel-based compound anti-punching and anti-oil stealing pipe comprises steel pipe (1), adhesive layer (2), protective coating (3), anticorrosive coat (4).Protective coating (3) is formed by the steel plate arc shape butt joint that radius is slightly larger than steel pipe, this steel plate is to adopt the thick cold rolled sheet system of 1.5-3mm to grow into 3-4 rice, and corresponding 1/3 circular arc of radius and steel pipe is through ternary co-osmosized, infiltration layer be 0.05-0.1mm through Quenching Treatment, Rockwell hardness reaches more than 60.Adhesive layer (2) utilizes epoxy resin to be full of between steel pipe (1) and the protective coating (3) and between the slit of arc butt joint, and is even, firm protective coating (3) and steel pipe (1) bonding.Anticorrosive coat (4) selects for use unsaturated resin and glass cloth to be entwined, and resin adds 35% silicon carbide or silicon nitride in winding process, strengthens the anti-corrosion property energy.
Claims (3)
1, a kind of steel-based compound anti-punching and anti-oil stealing pipe, comprise steel pipe, adhesive layer, protective coating, anticorrosive coat, it is characterized in that: protective coating is formed by the steel plate arc butt joint that radius is slightly larger than steel pipe, and adhesive layer utilizes epoxy resin to be full of between steel pipe and the protective coating and between the slit of arc butt joint.
2, steel-based compound anti-punching and anti-oil stealing pipe according to claim 1 is characterized in that: protective layer is through oozing the steel plate of processing altogether.
3, steel-based compound anti-punching and anti-oil stealing pipe according to claim 1 is characterized in that: the resin of anticorrosive coat has added silicon carbide or silicon nitride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520080234 CN2783088Y (en) | 2005-01-18 | 2005-01-18 | Steel base composite pipe for preventing drilling to take oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520080234 CN2783088Y (en) | 2005-01-18 | 2005-01-18 | Steel base composite pipe for preventing drilling to take oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2783088Y true CN2783088Y (en) | 2006-05-24 |
Family
ID=36768074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520080234 Expired - Fee Related CN2783088Y (en) | 2005-01-18 | 2005-01-18 | Steel base composite pipe for preventing drilling to take oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2783088Y (en) |
-
2005
- 2005-01-18 CN CN 200520080234 patent/CN2783088Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |