CN202558942U - High-efficiency oil tube anode protector - Google Patents
High-efficiency oil tube anode protector Download PDFInfo
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- CN202558942U CN202558942U CN2012202444997U CN201220244499U CN202558942U CN 202558942 U CN202558942 U CN 202558942U CN 2012202444997 U CN2012202444997 U CN 2012202444997U CN 201220244499 U CN201220244499 U CN 201220244499U CN 202558942 U CN202558942 U CN 202558942U
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Abstract
The utility model provides a high-efficiency oil tube anode protector. The protector comprises a metal casing, a parent tube joint arranged in the metal casing, an upper joint which is used for connecting one end of the metal casing and one end of the parent tube joint, a lower joint which is used for the other of the metal casing and the other end of the parent tube joint, and an anode alloy which is arranged between the metal casing and the parent tube joint. The high-efficiency oil tube anode protector has the characteristics of good anticorrosion effect, prolonged service life of an oil tube, increased cycling investment, low cost and easy maintenance, has simple structure and convenient assembly, and is applicable to wide fields.
Description
Technical field
The utility model relates to the protection field of petroleum pipe line, especially a kind of efficient oil pipe anodic protection device that is applied to prevent in the oil-gas field development tube corrosion.
Background technology
In petrochemical industry oil recovery field, the corrosion of metal tube is very serious to the exploitation and the production influence of each fld.The subsurface equipment of oil and water well and the starting material of tubing string all are metal basically; All be immersed in underground water or the well liquid; Because of underground water or well liquid salinity than higher; Ion content is very big, belongs to electrolyte solution, so owing to the galvanic corrosion of metallic surface generation galvanic cell effect causing metal is the main root of oil and water well corrosive.And the expense of tubing string accounts for gross investment 60-75% in the field produces, and down-hole pipe, bar, pump etc. shorten because of corrosion causes working cycle, production cost increases, even make exploitation production interrupt, and cause enormous economic loss all can for the exploitation and the production of fld.
To the serious etching problem of above-mentioned oil and water well pipe fitting, the sfgd. of taking usually at present is in oil and water well, to inject inhibiter.But because the one-tenth of underground water or well liquid is grouped into complicacy; It is various to comprise microbe species; Thereby inhibiter grows with time and is neutralized, dilutes the corrosion protection rot-resistant effect that loses on the one hand; The generation antibody that do not stop according to the environment difference of mikrobe in underground water or the well liquid develops on the other hand, also makes inhibiter can't reach the effect of long-effective protection tubing and casing.Moreover the cost of inhibiter is higher, uses at large-scale exploitation of oil-gas field with in producing, and has increased pioneer's economy input undoubtedly.
The utility model content
Provide brief overview hereinafter, so that the basic comprehension about some aspect of the utility model is provided about the utility model.Should be appreciated that this general introduction is not the exhaustive general introduction about the utility model.It is not key or the integral part that intention is confirmed the utility model, neither be intended to limit the scope of the utility model.Its purpose only is to provide some notion with the form of simplifying, with this as the preorder in greater detail of argumentation after a while.
For solving above-mentioned technological deficiency, the efficient oil pipe anodic protection device that the purpose of the utility model provides a kind of corrosion protection favorable anti-corrosion effect, strengthen oil pipe work-ing life, low-cost and easy-to is safeguarded.The embodiment of the utility model provides a kind of efficient oil pipe anodic protection device, comprising: metal-coating; Be arranged at the parent tube pipe nipple in the said metal-coating; Be used to connect the top connection of said metal-coating one end and said parent tube pipe nipple one end; Be used to connect the lower sub of the said metal-coating the other end and the said parent tube pipe nipple the other end; Anode alloy, said anode alloy are arranged between said metal-coating and the parent tube pipe nipple.
Preferably, said anode alloy is enclosed within on the said parent tube pipe nipple outer wall.
Preferably, evenly be provided with some waste discharges hole on the said metal-coating.
Compared with prior art, the embodiment of the utility model has the following advantages and one or more of beneficial effect:
Can form the protectiveness potential difference when 1, the oil pipe anodic protection device of the utility model is used in oil and water well, prevent to form galvanic corrosion, reduce the erosion rate of oil pipe, prolong the work-ing life of oil pipe.
2, simple in structure, easy to install, can be used for all kinds of oil pipes.
3, elongate the investment cycle of circulating, reduce the comprehensive exploitation cost.
4, cost is low, and result of use is good.
Description of drawings
With reference to below in conjunction with the explanation of accompanying drawing, can understand the above of the utility model and other purpose, characteristics and advantage to the utility model embodiment with being more prone to.Parts in the accompanying drawing are just in order to illustrate the principle of the utility model.In the accompanying drawings, identical or similar techniques characteristic or parts will adopt identical or similar Reference numeral to represent.
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Among the figure: 1-metal-coating, 2-parent tube pipe nipple, 3-top connection, 4-lower sub, 5-anode alloy.
Embodiment
The embodiment of the utility model is described with reference to the accompanying drawings.Element and the characteristic in the accompanying drawing of the utility model or a kind of embodiment, described can combine with element and the characteristic shown in one or more other accompanying drawing or the embodiment.Should be noted that for purpose clearly, omitted in accompanying drawing and the explanation and the utility model expression and description irrelevant, the known parts of those of ordinary skills and processing.
Of Fig. 1, the efficient oil pipe anodic protection device of the embodiment of the utility model comprises: metal-coating 1; Be arranged at the parent tube pipe nipple 2 in the said metal-coating 1; Be used to connect the top connection 3 of said metal-coating 1 one ends and said parent tube pipe nipple 2 one ends; Be used to connect the lower sub 4 of said metal-coating 1 the other end and said parent tube pipe nipple 2 the other ends; Anode alloy 5, said anode alloy 5 are arranged between said metal-coating 1 and the parent tube pipe nipple 2, and said anode alloy 5 is the alloy material that is formed by magnesium, zinc, aluminium and chromium.
An embodiment of the utility model provides a kind of efficient oil pipe anodic protection device, and said anode alloy 5 is enclosed within on said parent tube pipe nipple 2 outer walls.
An embodiment of the utility model provides a kind of efficient oil pipe anodic protection device, evenly is provided with some waste discharges hole on the said metal-coating 1, gets rid of dissolved anode alloy impurity, prevents that anode alloy from falling in the well through the fragment that corrosion comes off.
When an embodiment of the utility model works, utilize box cupling to be connected on the oil pipe said efficient oil pipe anodic protection device, be lowered in oil well or the WIW; In the electrolyte solution of pit shaft; Anode alloy 5 has become a macroscopic battery with oil pipe, anode alloy 5 is as the anode of new battery, and oil pipe is negative electrode; Anode constantly provides cathodic current to protected oil pipe; Oil pipe is carried out cathodic polarization, and the corrosion cell effect of former oil pipe is compelled to be stopped, and has fundamentally resisted the galvanic corrosion of oil pipe.Along with constantly flowing of electric current, anode alloy 5 constantly is consumed, and becomes powder and discharges from the waste discharge hole of said overcoat 1.Galvanic corrosion just can take place in oil pipe after anode alloy 5 runs out of, and delays tube corrosion thereby reach, the purpose of protection oil pipe.
In the equipment and method of the utility model, obviously, after can decomposing, make up and/or decompose, each parts or each step reconfigure.These decomposition and/or reconfigure the equivalents that should be regarded as the utility model.The step that also it is pointed out that the above-mentioned series of processes of execution can order following the instructions naturally be carried out in chronological order, but does not need necessarily to carry out according to time sequence.Some step can walk abreast or carry out independently of one another.Simultaneously; In the above in the description to the utility model specific embodiment; Characteristic to a kind of embodiment is described and/or illustrated can be used in one or more other embodiment with identical or similar mode; Combined with the characteristic in other embodiment, or substitute the characteristic in other embodiment.
Should stress that term " comprises/comprise " existence that when this paper uses, refers to characteristic, key element, step or assembly, but not get rid of the existence of one or more further feature, key element, step or assembly or additional.
Though specified the utility model and advantage thereof, be to be understood that and under situation about not exceeding, can carry out various changes, substitute and conversion the spirit of appended the utility model that claim limited and scope.And the application's scope is not limited only to the specific embodiment of the described process of specification sheets, equipment, means, method and step.The one of ordinary skilled in the art will readily appreciate that from the disclosure of the utility model, can use according to the utility model and carry out and process, equipment, means, method or step said essentially identical function of corresponding embodiment or acquisition result essentially identical with it, existing and that will be developed in the future.Therefore, appended claim is intended in their scope, comprise such process, equipment, means, method or step.
Claims (3)
1. an efficient oil pipe anodic protection device is characterized in that, comprising:
Metal-coating (1);
Be arranged at the parent tube pipe nipple (2) in the said metal-coating (1);
Be used to connect the top connection (3) of said metal-coating (1) one end and said parent tube pipe nipple (2) one ends;
Be used to connect the lower sub (4) of said metal-coating (1) the other end and said parent tube pipe nipple (2) the other end;
Anode alloy (5), said anode alloy (5) are arranged between said metal-coating (1) and the parent tube pipe nipple (2).
2. efficient oil pipe anodic protection device according to claim 1 is characterized in that said anode alloy (5) is enclosed within on said parent tube pipe nipple (2) outer wall.
3. efficient oil pipe anodic protection device according to claim 1 and 2 is characterized in that, evenly is provided with some waste discharges hole on the said metal-coating (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202444997U CN202558942U (en) | 2012-05-29 | 2012-05-29 | High-efficiency oil tube anode protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202444997U CN202558942U (en) | 2012-05-29 | 2012-05-29 | High-efficiency oil tube anode protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202558942U true CN202558942U (en) | 2012-11-28 |
Family
ID=47208618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202444997U Expired - Fee Related CN202558942U (en) | 2012-05-29 | 2012-05-29 | High-efficiency oil tube anode protector |
Country Status (1)
| Country | Link |
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| CN (1) | CN202558942U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014723A (en) * | 2013-01-10 | 2013-04-03 | 中国石油大学(华东) | Corrosion controller of oil well production equipment and sucker rod employing controller |
| CN105386062A (en) * | 2015-12-16 | 2016-03-09 | 中国海洋石油总公司 | Protection cover of auxiliary anodes |
| CN114134507A (en) * | 2021-11-29 | 2022-03-04 | 牡丹江市新翔石油机械有限责任公司 | Magnesium alloy, sacrificial anode device and oil casing pipe potential corrosion prevention device thereof |
-
2012
- 2012-05-29 CN CN2012202444997U patent/CN202558942U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014723A (en) * | 2013-01-10 | 2013-04-03 | 中国石油大学(华东) | Corrosion controller of oil well production equipment and sucker rod employing controller |
| CN103014723B (en) * | 2013-01-10 | 2015-04-22 | 中国石油大学(华东) | Corrosion controller of oil well production equipment and sucker rod employing controller |
| CN105386062A (en) * | 2015-12-16 | 2016-03-09 | 中国海洋石油总公司 | Protection cover of auxiliary anodes |
| CN105386062B (en) * | 2015-12-16 | 2017-10-27 | 中国海洋石油总公司 | A kind of protective cover of impressed current anode |
| CN114134507A (en) * | 2021-11-29 | 2022-03-04 | 牡丹江市新翔石油机械有限责任公司 | Magnesium alloy, sacrificial anode device and oil casing pipe potential corrosion prevention device thereof |
| CN114134507B (en) * | 2021-11-29 | 2022-08-02 | 牡丹江市新翔石油机械有限责任公司 | Magnesium alloy, sacrificial anode device and oil casing pipe potential corrosion prevention device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-efficiency oil tube anode protector Effective date of registration: 20150116 Granted publication date: 20121128 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Dinghe Yuanrui Environment Engineering Co., Ltd. Registration number: 2015990000042 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160310 Granted publication date: 20121128 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Dinghe Yuanrui Environment Engineering Co., Ltd. Registration number: 2015990000042 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-efficiency oil tube anode protector Effective date of registration: 20160310 Granted publication date: 20121128 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Dinghe Yuanrui Environment Engineering Co., Ltd. Registration number: 2016990000189 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170125 Granted publication date: 20121128 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Dinghe Yuanrui Environment Engineering Co., Ltd. Registration number: 2016990000189 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20180529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |