CN109807544A - Recycle the recycling technique of liner oil pipe - Google Patents
Recycle the recycling technique of liner oil pipe Download PDFInfo
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- CN109807544A CN109807544A CN201910103630.4A CN201910103630A CN109807544A CN 109807544 A CN109807544 A CN 109807544A CN 201910103630 A CN201910103630 A CN 201910103630A CN 109807544 A CN109807544 A CN 109807544A
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- oil pipe
- pipe
- recycling
- liner
- liner oil
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Abstract
The invention discloses a kind of recycling techniques for recycling liner oil pipe comprising following steps: cleaning；Pressure testing；Sorting is four classes: the first kind is pressure testing qualification, and bushing pipe is not damaged, and the flange of bushing pipe is complete, seamless between flange and oil pipe；Second class is that pressure testing is qualified, occurs that bushing pipe is had damage, the flange of bushing pipe is imperfect, is had the gap between flange and oil pipe；Third class is that pressure testing is unqualified, and underproof position is in tube body；And the 4th class be pressure testing it is unqualified, underproof position is in end.Recycled or scrapped processing to four class liner oil pipes: the first kind directly recycles；The bushing pipe of second class recycle after drawing remanufactures, and oil pipe directly recycles；The bushing pipe of third class recycle after drawing remanufactures, and oil pipe is scrapped；And the 4th class bushing pipe carry out drawing remanufacture after recycle, by oil pipe re-work screw thread and/or replacement box cupling after recycle.The present invention recycles the liner oil pipe of recycling and maximizes, and economizes on resources.
Description
Technical field
The present invention relates to petroleum pipelines to repair field, in particular to a kind of recycling technique for recycling liner oil pipe.
Background technique
As China's oilfield applications develop the continuous quickening of step, the problems in oil field operation scene is also more and more, oil
Guan and sucker rod failure is exactly one of most common problem.Oil pipe and sucker rod failure, not only will affect the manufacturing schedule of enterprise,
And also affect the economic benefit of enterprise.In order to effectively solve this problem, relevant departments personnel are in oil field operation mistake
Liner oil pipe technology is used in journey, not only efficiently solves tube inner wall wear problem, but also largely extend
The service life of oil well rod tube provides sufficient technical support for the sustainable development of China's oilfield applications.So-called liner
Oil pipe technology is mainly exactly a kind of technology in the upper internal lining pipe of standard tubing inner wall lining.Its purpose is to prevent sucker rod
The corrosion of abrasion and tube inner wall with oil pipe, due to internal lining pipe be it is a kind of with high density polyethylene (HDPE) be basic macromolecule material
Material, therefore, the lining taken in technology can avoid the direct friction between R a T to a certain extent, prevent
Tube inner wall abrasion, and there are good anticorrosion properties, it can largely avoid the corruption between oil pipe and sucker rod
Erosion medium causes to corrode to it.Internal lining pipe has memory effect, can adapt to oil temperature variation and stress variation etc. automatically and lead
The oil pipe extension of cause deforms, and can use in a variety of contexts, and obtain good effect.Just because of liner oil pipe technology
Many advantages, so that it is more and more widely used in oilfield enterprise.
However, liner oil pipe is easy to appear following problems in application and maintenance process: one, due to the medium tool of its conveying
It is corrosive, over time, liner oil pipe thread can corrode with box cupling；Two, in inclined shaft or horizontal well production
In the process, eccentric wear occurs for sucker rod and oil pipe, has also aggravated the abrasion of liner oil pipe；Three, with liner oil pipe service life
Increase, the performance of bushing pipe can decline, it may appear that phenomena such as damaging and expanding.Four, existing cleaning oil pipe producer can not clear up liner
Oil pipe, cleaning oil pipe producer can only clear up the steel pipe of well.Five, during oil recovery and oil transportation, with temperature and pressure
Reduction and gas precipitation, when temperature, pressure and gassing volume reach certain condition, the paraffin dissolved in crude oil is just
It can crystallize and be precipitated.Its crystallization is just assembled and is deposited on liner tube inner wall, and this phenomenon is known as wax deposition.Wax deposition causes fuel-displaced
Channel internal diameter is gradually reduced, and increases oil flow resistance, reduces oil well productivity, and some even shuts shaft way, causes oil well
It stops production.Above situation can all lead to stop production to overhaul, influence normally to produce, greatly reduce oil field development benefit.So in oil field
The reparation and recycling that serve as a contrast oil pipe are the important measures that oil recovery factory reduces production overall cost, and the repairing quality for improving oil pipe can
It is done over again with guaranteeing oil well operation quality, extension pump detection period, reducing operation, and reduces operating cost.But needle in the prior art
Enough utilizations are not subject to the liner oil pipe of recycling, are resulted in waste of resources, increased costs.
Therefore, need a kind of reutilization technology for recycling liner oil pipe, so as to abundant Resource Recycling Utilization, save at
This, reduces energy consumption.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of recycling techniques for recycling liner oil pipe, to improve recycling liner oil pipe
Reuse ratio, save the cost, reduce energy consumption.
To achieve the above object, the present invention provides a kind of recycling technique for recycling liner oil pipe, liner oil pipe includes
The bushing pipe of oil pipe and lining in the inner, the end of liner oil pipe are equipped with screw thread and box cupling structure, which includes following step
It is rapid:
A. the liner oil pipe of clean and reuse；
B. pressure testing is carried out to the liner oil pipe after cleaning；
C. liner oil pipe is sorted according to pressure testing result, which is divided into four classes for liner oil pipe, wherein
The first kind is that pressure testing is qualified, and bushing pipe is not damaged, and the flange of bushing pipe is complete, seamless between the flange and oil pipe；
Second class is that pressure testing is qualified, occurs that bushing pipe is had damage, the flange of bushing pipe is imperfect, seamed between the flange and oil pipe
One or more phenomenons in gap；
Third class is that pressure testing is unqualified, and the underproof position of pressure testing is in the tube body of liner oil pipe；And
4th class is that pressure testing is unqualified, and the underproof position of pressure testing is in the end of liner oil pipe；And
D. according to separation results, recycled or scrapped processing respectively to liner oil pipe, wherein
First kind liner oil pipe is directly recycled；
Drawing is carried out to the bushing pipe of the second class liner oil pipe, is recycled after the bushing pipe drawn out is remanufactured, oil pipe
Directly recycle；
Drawing is carried out to the bushing pipe of third class liner oil pipe, is recycled after the bushing pipe drawn out is remanufactured, oil pipe
It scraps；And
Drawing is carried out to the bushing pipe of the 4th class liner oil pipe, is recycled after the bushing pipe drawn out is remanufactured, it will be oily
Pipe recycles after re-working screw thread and/or replacement box cupling.
Further, in above-mentioned technical proposal, step A includes the inner and outer wall of the liner oil pipe of clean and reuse.
Further, in above-mentioned technical proposal, step A uses high temperature and pressure water jet cleaning.
Further, in above-mentioned technical proposal, the hydraulic pressure of high temperature and pressure water jet cleaning is 25MPa, and water temperature is 150 DEG C.
Further, slow to liner oil pipe when step B carries out pressure testing to the liner oil pipe after cleaning in above-mentioned technical proposal
Slow pressure stops pressure 30 minutes, obtains pressure testing result to 30MPa.
Further, in above-mentioned technical proposal, pressure testing qualification in step C be not depressured, No leakage, and estimate without change
Shape.
Further, in above-mentioned technical proposal, in step D, bushing pipe remanufactured including being crushed, cleaned to bushing pipe and
It is granulated.
Further, in above-mentioned technical proposal, in step D, to the bushing pipe of the second class, third class and the 4th class liner oil pipe into
Before row drawing, include the steps that unloading box cupling.
Further, in above-mentioned technical proposal, in step D, to the bushing pipe of the second class, third class and the 4th class liner oil pipe
And/or oil pipe is when being recycled, including step poling, flange, upper button, pressure testing.
Further, in above-mentioned technical proposal, in step D, before oil pipe is re-worked screw thread, including the step for cutting screw thread
Suddenly.
Compared with prior art, the invention has the following beneficial effects:
1. sorting process process is careful, reasonable, the liner oil pipe of recycling, bushing pipe and oil pipe are carried out again to the maximum extent sharp
With reducing cost to economize on resources.
2. only need to suitably handle screw thread for the underproof situation of liner oil pipe end (at screw thread and box cupling) pressure testing
And/or box cupling, most of body portion of oil pipe can recycle.
3. the bushing pipe of the second class, third class and the 4th class liner oil pipe is both needed to drawing and remanufactures, with ensure to recycle
Quality and service life.
4. using high temperature and pressure water jet cleaning, it is dirty that cleaning effect is good, at low cost, high-efficient, centralized processing reduces environment
Dye.
Above description is only the general introduction of technical solution of the present invention, in order to more clearly understand technological means of the invention
And it can be practiced according to the content of specification, while in order to make above and other purpose of the invention, technical characteristic and excellent
Point is more understandable, is exemplified below one or more preferred embodiments, and be described in detail with the accompanying drawings as follows.
Detailed description of the invention
Fig. 1 is the process of the recycling technique of the recycling liner oil pipe of one or more embodiments according to the present invention
Figure.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Explicitly indicate that, otherwise in entire disclosure and claims, term " includes " or its change unless otherwise other
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other yuan
Part or other components.
Herein, for convenience of description, spatially relative term can be used, such as " following ", " lower section ", "lower",
" above ", " top ", "upper" etc., to describe an elements or features and the relationship of another elements or features in the accompanying drawings.Ying Li
Solution, spatially relative term are intended to comprising the not Tongfang of object in use or operation other than direction painted in figure
To.For example, the element for being described as be in other elements or feature " lower section " or "lower" will if the object in figure is reversed
Orientation is in " top " of elements or features.Therefore, exemplary term " lower section " may include following above and both direction.Object
There can also be other orientations (be rotated by 90 ° or other are orientated) and reply spatially relative term used herein makes corresponding solution
It releases.
Herein, term " first ", " second " etc. be distinguishing two different elements or position, be not to
Limit specific position or relativeness.In other words, in some embodiments, term " first ", " second " etc. can also be each other
It exchanges.
The liner oil pipe of recycling includes the bushing pipe of oil pipe and lining in the inner, and the end of liner oil pipe is equipped with screw thread and box cupling knot
Structure.Refering to what is shown in Fig. 1, according to the present invention the recycling technique of the recycling liner oil pipe of specific embodiment successively include cleaning,
Pressure testing and sorting step, i.e. the liner oil pipe of clean and reuse carry out pressure testing to the liner oil pipe after cleaning, then according to pressure testing knot
Fruit sorts liner oil pipe.Liner oil pipe is divided into four classes by sorting step: the first kind is that pressure testing is qualified, and bushing pipe is not damaged,
The flange of bushing pipe is complete, seamless between the flange and oil pipe；Second class is that pressure testing is qualified, occur bushing pipe have damage, bushing pipe
Flange is imperfect, had the gap between the flange and oil pipe in one or more phenomenons；Third class is that pressure testing is unqualified, and pressure testing is not
Qualified position is in the tube body of liner oil pipe；And the 4th class be pressure testing it is unqualified, the underproof position of pressure testing is in liner
The end of oil pipe.After the completion of sorting, these four types of liner oil pipes are recycled or scrap processing respectively: to first kind liner
Oil pipe directly recycles, illustratively, direct delivery to be packaged；Drawing is carried out to the bushing pipe of the second class liner oil pipe, by drawing
Bushing pipe out recycles after being remanufactured, and oil pipe directly recycles；Drawing is carried out to the bushing pipe of third class liner oil pipe, will be drawn
The bushing pipe of extraction recycles after being remanufactured, and oil pipe is scrapped；And drawing is carried out to the bushing pipe of the 4th class liner oil pipe, it will draw
The bushing pipe of extraction recycles after being remanufactured, and recycles after oil pipe is re-worked screw thread and/or replacement box cupling.
Further, in one or more illustrative embodiments of the invention, cleaning step may include that inner wall is clear
It washes and outer wall washing, inner wall washing and outer wall washing is using high temperature and pressure water-jet technology.Illustratively, high-pressure pump is utilized
25MPa high pressure water is got, is heated to 150 DEG C of high-temperature-hot-water steam by hot coil, reaches nozzle by hose, nozzle is then height
The water for forcing down flow velocity is converted into the jet stream of low pressure high flow rate, positive or tangential impact liner oil pipe inner wall or outer wall.High warm
Water vapour dissolves the greasy dirt on liner oil pipe surface, grease rapidly, and jet stream, which generates enough pressure on dirty layer or product object, makes it
It crushes, once dirty layer is penetrated, between the dirty layer of the wedge shaped insertion of fluid and clean the surface, dirty layer is made to fall off and expose liner oil pipe
Surface.It is easy to break in stratiform or cavernous dirt, because the shock of injection stream can hit a hole, below dirty layer surface
It forms an internal pressure and top dirt layer is made to split, in many sprayings, rushing broken particulate inclusion can help in the jet
More particles are impacted, and high pressure water flow can take away these greasy dirts, dirty layer and product object, centralized collection, focus on, and reduce
Pollution.
Further, in one or more illustrative embodiments of the invention, pressure testing step is carried out after cleaning,
Slowly impose 30MPa pressure to liner oil pipe, stop pressure 30 minutes, not to be depressured, No leakage, range estimation without be deformed into pressure testing qualification.
Further, in one or more illustrative embodiments of the invention, bushing pipe is remanufactured including to lining
Pipe is crushed, cleaned and is granulated.
Further, in one or more illustrative embodiments of the invention, to the second class, third class and the 4th class
The bushing pipe of liner oil pipe needs first to unload box cupling, i.e. shackle before carrying out drawing.In the shackle process of the 4th class liner oil pipe, such as
There is the phenomenon that thread gluing, screw thread corrosion, requires to re-work screw thread, replacement box cupling.Re-work that need before screw thread will be on oil pipe
Precursor button cut.
Further, in one or more illustrative embodiments of the invention, to the second class, third class and the 4th class
When the bushing pipe and/or oil pipe of liner oil pipe are recycled, it is also necessary to the installation step for carrying out bushing pipe and oil pipe, generally according to interior
The operating process for serving as a contrast oil pipe carries out, including poling, flange, upper button, pressure testing etc..
The recycling process flow of recycling liner oil pipe of the invention is perfect, method is reliable, high production efficiency, utmostly
The recycling and reusing efficiency for improving liner oil pipe, economizes on resources.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.For any simple modification, equivalent change and modification that above-mentioned example embodiment is done,
Protection scope of the present invention should all be fallen into.
Claims (10)
1. a kind of recycling technique for recycling liner oil pipe, liner oil pipe includes the bushing pipe of oil pipe and lining in the inner, liner oil pipe
End be equipped with screw thread and box cupling structure, which is characterized in that the recycling technique includes the following steps:
A. the liner oil pipe of clean and reuse；
B. pressure testing is carried out to the liner oil pipe after cleaning；
C. the liner oil pipe is sorted according to pressure testing result, which is divided into four classes for the liner oil pipe, wherein
The first kind is that pressure testing is qualified, and the bushing pipe is not damaged, and the flange of the bushing pipe is complete, nothing between the flange and the oil pipe
Gap；
Second class is that pressure testing is qualified, occurs that the bushing pipe is had damage, the flange of the bushing pipe is imperfect, the flange and the oil pipe
Between have the gap in one or more phenomenons；
Third class is that pressure testing is unqualified, and the underproof position of pressure testing is in the tube body of the liner oil pipe；And
4th class is that pressure testing is unqualified, and the underproof position of pressure testing is in the end of the liner oil pipe；And
D. according to the separation results, recycled or scrapped processing respectively to the liner oil pipe, wherein
The first kind liner oil pipe is directly recycled；
Drawing is carried out to the bushing pipe of the second class liner oil pipe, is recycled after the bushing pipe drawn out is remanufactured,
Oil pipe directly recycles；
Drawing is carried out to the bushing pipe of the third class liner oil pipe, is recycled after the bushing pipe drawn out is remanufactured,
Oil pipe is scrapped；And
Drawing is carried out to the bushing pipe of the 4th class liner oil pipe, is recycled after the bushing pipe drawn out is remanufactured,
It is recycled after oil pipe is re-worked screw thread and/or replacement box cupling.
2. the recycling technique of recycling liner oil pipe according to claim 1, which is characterized in that the step A includes clear
Wash the inner and outer wall of the liner oil pipe of recycling.
3. the recycling technique of recycling liner oil pipe according to claim 1, which is characterized in that the step A is using high
Warm Cleaning by High Pressure Water Jet.
4. the recycling technique of recycling liner oil pipe according to claim 3, which is characterized in that the high temperature and pressure water-jet
The hydraulic pressure of stream cleaning is 25MPa, and water temperature is 150 DEG C.
5. the recycling technique of recycling liner oil pipe according to claim 1, which is characterized in that the step B is to cleaning
It when the liner oil pipe afterwards carries out pressure testing, slowly presses the liner oil pipe to 30MPa, stops pressure 30 minutes, obtain pressure testing
As a result.
6. the recycling technique of recycling liner oil pipe according to claim 1, which is characterized in that the examination in the step C
Pressing lattice be not depressured, No leakage, and estimate without deformation.
7. the recycling technique of recycling liner oil pipe according to claim 1, which is characterized in that described in the step D
Bushing pipe is remanufactured including the bushing pipe is crushed, cleaned and is granulated.
8. the recycling technique of recycling liner oil pipe according to claim 1, which is characterized in that in the step D, to the
Before the bushing pipe of two classes, third class and the 4th class liner oil pipe carries out drawing, include the steps that unloading box cupling.
9. the recycling technique of recycling liner oil pipe according to claim 1, which is characterized in that in the step D, to the
When two classes, the bushing pipe of third class and the 4th class liner oil pipe and/or oil pipe are recycled, including step poling, flange, on
Button, pressure testing.
10. the recycling technique of recycling liner oil pipe according to claim 1, which is characterized in that, will in the step D
Before oil pipe re-works screw thread, include the steps that cutting screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910103630.4A CN109807544B (en) | 2019-02-01 | 2019-02-01 | Recycling process for recycling lining oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910103630.4A CN109807544B (en) | 2019-02-01 | 2019-02-01 | Recycling process for recycling lining oil pipe |
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| Publication Number | Publication Date |
|---|---|
| CN109807544A true CN109807544A (en) | 2019-05-28 |
| CN109807544B CN109807544B (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910103630.4A Active CN109807544B (en) | 2019-02-01 | 2019-02-01 | Recycling process for recycling lining oil pipe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA000285B1 (en) * | 1997-05-30 | 1999-02-25 | Акционерное Общество Закрытого Типа Научно-Производственное Предприятие "Нефтетрубосервис" | Method of pipe repair and preparation for use of threaded oil pipes and mobile repair complex thereof |
| US6367313B1 (en) * | 2000-12-05 | 2002-04-09 | William M. Lubyk | Test plug |
| CN101551197A (en) * | 2009-05-14 | 2009-10-07 | 瓮福（集团）有限责任公司 | A pyrite-based sulphuric acid roaster cooling calandria repairing method |
| CN202271141U (en) * | 2011-10-10 | 2012-06-13 | 中国石油化工股份有限公司 | Cleaning, inspecting and repairing process system of used oil tubes for petroleum industry |
| CN104308449A (en) * | 2014-08-28 | 2015-01-28 | 天津市管道工程集团有限公司 | Technology for repairing big-caliber concrete pipeline lining by utilizing thin wall stainless steel |
| CN108546549A (en) * | 2018-05-07 | 2018-09-18 | 谢翠娥 | A kind of new casing repairing and reinforcement agent, preparation method and construction method |
-
2019
- 2019-02-01 CN CN201910103630.4A patent/CN109807544B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA000285B1 (en) * | 1997-05-30 | 1999-02-25 | Акционерное Общество Закрытого Типа Научно-Производственное Предприятие "Нефтетрубосервис" | Method of pipe repair and preparation for use of threaded oil pipes and mobile repair complex thereof |
| US6367313B1 (en) * | 2000-12-05 | 2002-04-09 | William M. Lubyk | Test plug |
| CN101551197A (en) * | 2009-05-14 | 2009-10-07 | 瓮福（集团）有限责任公司 | A pyrite-based sulphuric acid roaster cooling calandria repairing method |
| CN202271141U (en) * | 2011-10-10 | 2012-06-13 | 中国石油化工股份有限公司 | Cleaning, inspecting and repairing process system of used oil tubes for petroleum industry |
| CN104308449A (en) * | 2014-08-28 | 2015-01-28 | 天津市管道工程集团有限公司 | Technology for repairing big-caliber concrete pipeline lining by utilizing thin wall stainless steel |
| CN108546549A (en) * | 2018-05-07 | 2018-09-18 | 谢翠娥 | A kind of new casing repairing and reinforcement agent, preparation method and construction method |
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| CN109807544B (en) | 2020-04-24 |
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Address after: 806 Pingnan 1st Road, Baijiantan District, Karamay, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Defeng Yisheng petroleum Anticorrosion Engineering Co., Ltd Address before: No.2, Nanxin Road, Karamay, Xinjiang Uygur Autonomous Region Patentee before: KARAMAY SHUANGXIN ANTI-CORROSION TECHNOLOGY Co.,Ltd. |
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