CN201739706U - Composite corrosion-resistant pipe with metal threaded buckle - Google Patents
Composite corrosion-resistant pipe with metal threaded buckle Download PDFInfo
- Publication number
- CN201739706U CN201739706U CN2010202556141U CN201020255614U CN201739706U CN 201739706 U CN201739706 U CN 201739706U CN 2010202556141 U CN2010202556141 U CN 2010202556141U CN 201020255614 U CN201020255614 U CN 201020255614U CN 201739706 U CN201739706 U CN 201739706U
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- pipe
- tube body
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Abstract
The utility model discloses a composite corrosion-resistant pipe with metal threaded buckles, which comprises a pipe body. The inner wall and the outer wall of the pipe body are coated with a Fe-Al complex alloy layer, an arc-shaped surface of the Fe-Al complex alloy layer away from the pipe body is provided with a pure alloy layer, the outer walls of the two ends of the pipe body are provided with a short metal joint, and the short metal joints are provided with a threaded buckle. The utility model not only has the advantages of high corrosion resistance, large bonding force, good mechanical properties and high aging resistance, but also has high resistance against wax and scale. Simultaneously, the utility model solves the problem that the threaded buckle of the corrosion-resistant pipe can not easily resist corrosion.
Description
Technical field:
The utility model relates to oil recovery field, oil field used a kind of oil pipe or sleeve pipe, belongs to the heavy anti-corrosion pipe of a kind of stainless steel.
Background technique:
Adopt oil pipe or sleeve pipe to come liquid is transported during oil recovery, burn into perforation phenomenon can appear in the use for a long time of oil pipe or sleeve pipe, causes oil pipe or sleeve pipe not to reach and promptly can not re-use service life.And on-the-spot present applied oil pipe or casing tube anti-corrosive method are surperficial separation layer method, can only play the effect of temporary transient isolation environment aggressive medium, prolongation along with service time, anticorrosive coat then begins to occur the gas-bearing formation obscission, cause tubing and casing corrosion aggravation, surperficial separation layer is mainly the epoxy resin type coating simultaneously, there is the water absorption rate height in these epoxy resin type coatings, anti-mechanical shock, anti-machinery scratches the problem of poor performance, anticorrosive coat can damage when construction and carrying, have a strong impact on antiseptic effect, reduced the working life of oil pipe, and the wax control of these separation layers, anti-scaling property is poor, causes the tubing and casing wax deposition, scale formation is serious, shorten the maintenance interval of tubing and casing, cause suitable economic loss.
Summary of the invention:
In order to overcome short deficiency of existing oil pipe or casing tube anti-corrosive, wax control, antiscaling effect difference and working life, the utility model provides a kind of composite anti-corrosive pipe that is provided with metal threaded button that is used for oil gas field, this anti-corrosion pipe not only has excellent corrosion resisting performance, big, the good mechanical property, anti-aging of combination force, but also have the advantage of strong wax-proof anti-scaling, solved the problem of the anticorrosion difficulty of oil gas field anti-corrosion pipe screw buckle simultaneously.
Technical solution adopted in the utility model is: the composite anti-corrosive pipe that is provided with metal threaded button, comprise tube body, described tube body inside and outside wall is coated with iron aluminium multicomponent alloy layer, described iron aluminium multicomponent alloy layer is provided with pure alloy-layer away from the arc surface of tube body, described tube body two ends outer wall is provided with the metal pipe nipple, and described metal pipe nipple is provided with screw buckle.
Described metal pipe nipple is the stainless steel pipe nipple.
The inside and outside nanometer polymer coating that also is provided with of described pure alloy-layer.
The beneficial effects of the utility model are: the multicomponent alloy layer of this composite anti-corrosive pipe has the stainless steel characteristic, forms the metallurgical chemistry combination between coating or plating layer, strong adhesion, and have the anode loss protection effect, have higher mechanical strength and corrosion resistance; Described tube body two ends outer wall is provided with the metal pipe nipple, and described metal pipe nipple is provided with screw buckle, has solved the anticorrosion difficult problem of the oil casing threaded button in oil field; Simultaneously, the composite anti-corrosive pipe of stainless steel is purified again, carry out the poly-coating rotary spraying of nanometer, this composite anti-corrosive tube-surface light, smooth, free of pinholes, non-scaling, sticking oil; But dielectric corrosions such as acid-and base-resisting, salt, surface active agent, sewage, rock gas, microorganism; Have anticorrosion, antiscale, wax control and anti-delamination four anti-characteristics.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is sectional views of the present utility model.
Sequence number among the figure: 1, tube body, 2, iron aluminium multicomponent alloy layer, 3, pure alloy-layer, 4, the nanometer polymer coating, 5, screw buckle, 6, the metal pipe nipple.
Embodiment:
Below in conjunction with accompanying drawing will the utility model is described in further detail:
Embodiment one: by Fig. 1, shown in Figure 2, a kind of composite anti-corrosive pipe that is provided with metal threaded button, comprise tube body 1, described tube body 1 inside and outside wall is coated with iron aluminium multicomponent alloy layer 2, described iron aluminium multicomponent alloy layer 2 is provided with pure alloy-layer 3 away from the arc surface of tube body 1, described tube body 1 two ends outer wall is provided with stainless steel pipe nipple 6, and described stainless steel pipe nipple 6 is provided with screw buckle 5.
Embodiment two: by Fig. 1, shown in Figure 2, a kind of composite anti-corrosive pipe that is provided with metal threaded button, comprise tube body 1, described tube body 1 inside and outside wall is coated with iron aluminium multicomponent alloy layer 2, described iron aluminium multicomponent alloy layer 2 is provided with pure alloy-layer 3 away from the arc surface of tube body 1, described tube body 1 two ends outer wall is provided with stainless steel pipe nipple 6, described stainless steel pipe nipple 6 is provided with screw buckle 5, the inside and outside nanometer polymer coating 4 that also is provided with of described pure alloy-layer 3, described nanometer polymer coating 4 thickness are 90～120 μ m.
This composite anti-corrosive pipe that is provided with metal threaded button has good corrosion resistance, and can guarantee the construction, the transportation process outer surface not aliquation, do not come off; This composite anti-corrosive pipe that is provided with metal threaded button can be mainly used in poly-displacement of reservoir oil well, ternary displacement of reservoir oil well, injection gas displacement gas well, deep-etching, strong fouling well, serious waxing in production well, gas well and CO2 injection extraction well etc. as oil pipe or sleeve pipe.
Claims (3)
1. be provided with the composite anti-corrosive pipe of metal threaded button, comprise tube body (1), described tube body (1) inside and outside wall is coated with iron aluminium multicomponent alloy layer (2), described iron aluminium multicomponent alloy layer (2) is provided with pure alloy-layer (3) away from the arc surface of tube body (1), it is characterized in that: described tube body (1) two ends outer wall is provided with metal pipe nipple (6), and described metal pipe nipple (6) is provided with screw buckle (5).
2. the composite anti-corrosive pipe that is provided with metal threaded button according to claim 1 is characterized in that: described metal pipe nipple (6) is the stainless steel pipe nipple.
3. the composite anti-corrosive pipe that is provided with metal threaded button according to claim 1 and 2 is characterized in that: the inside and outside nanometer polymer coating (4) that also is provided with of described pure alloy-layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202556141U CN201739706U (en) | 2010-07-06 | 2010-07-06 | Composite corrosion-resistant pipe with metal threaded buckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202556141U CN201739706U (en) | 2010-07-06 | 2010-07-06 | Composite corrosion-resistant pipe with metal threaded buckle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739706U true CN201739706U (en) | 2011-02-09 |
Family
ID=43554981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202556141U Expired - Fee Related CN201739706U (en) | 2010-07-06 | 2010-07-06 | Composite corrosion-resistant pipe with metal threaded buckle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618874A (en) * | 2012-04-24 | 2012-08-01 | 中国石油天然气股份有限公司 | Composite sacrificial anode on outer wall of bushing |
-
2010
- 2010-07-06 CN CN2010202556141U patent/CN201739706U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618874A (en) * | 2012-04-24 | 2012-08-01 | 中国石油天然气股份有限公司 | Composite sacrificial anode on outer wall of bushing |
| CN102618874B (en) * | 2012-04-24 | 2014-04-02 | 中国石油天然气股份有限公司 | Composite sacrificial anode on outer wall of bushing |
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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: 20110209 Termination date: 20110706 |