CN105171349A - Preparation method for hydraulic pressure composite thermometal oil pipe - Google Patents
Preparation method for hydraulic pressure composite thermometal oil pipe Download PDFInfo
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- CN105171349A CN105171349A CN201510581930.5A CN201510581930A CN105171349A CN 105171349 A CN105171349 A CN 105171349A CN 201510581930 A CN201510581930 A CN 201510581930A CN 105171349 A CN105171349 A CN 105171349A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Optics & Photonics (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a preparation method for a hydraulic pressure composite thermometal oil pipe. A carbon steel outer pipe is subjected to abrasive blasting and derusting, and the cleaning of the inner surface of the carbon steel outer pipe and the outer surface of a stainless steel inner pipe is ensured; the inner pipe penetrates into the outer pipe, and hydraulic pressure composite is conducted through a hydraulic press after the penetration is completed; the carbon steel outer pipe is made to deform elastically and the stainless steel inner pipe is made to deform plastically in the composite process, so that the inner pipe and the outer pipe are made to combined closely. After the composite process, pipe end machining is conducted before welding, and eddy current inspection is conducted on the whole oil pipe after the pipe end machining is completed; if the oil pipe is qualified through the inspection, the two pipe ends are subjected to bead welding which is completed through an automatic welder, and the bonding strength of the pipe ends are ensured. Pipe end heat treatment is conducted for removing the residual stress of the welding after the welding is completed. After the stress is removed, coping of a screened pipe and turning of threads are conducted, and inspection is conducted after the turning of threads is completed. Coupling and path opening are conducted after the oil pipe is qualified. The whole inner surface of the product prepared through the preparation method is corrosion resistant, and the corrosion-resistance strength is high; the outer pipe ensures that the strength of the composite oil pipe is enough, so that the stainless steel composite oil pipe has the characteristics of anticorrosion and abrasion resistance. Besides, the cost is low and the service life is long.
Description
Technical field
The present invention relates to the preparation method of the rustless steel double-metal composite oil pipe that a kind of oil field uses, specifically a kind of preparation method of hydraulic pressure bimetal composite oil pipe, wherein, outer tube is carbon steel metal material, and interior pipe is the bimetallic composite oil pipe of stainless steel.
Background technology
In recent years, national oil field there occurs a lot of oil pipe and casing failure accident, causes huge economic loss.The one of the main reasons of oil pipe and casing failure is internal corrosion.Adopt stainless steel can prevent oil pipe and casing corrosion perforation, but price is expensive especially.At present, due to price problem and one-time investment problems of too, oil field at home seldom adopts stainless steel sleeve pipe, and individual fields use only small part stainless steel oil pipe.Therefore, the oil pipe that Effect of Anti corrosive nature is good, moderate and sleeve pipe very necessary, also very urgent.
Make oil pipe and sleeve pipe produce the mainly hydrogen sulfide of corrosion, prevention hydrogen sulfide corrosion at present mainly contains and adopts with corrosion-resistant steel and liner corrosion resistant alloy composite steel tube, is aided with the method such as note corrosion inhibiter and coating corrosion-inhibiting coating.Anti-H 2 S material mainly refers to there is certain drag to hydrogen sulfide splitting and hydrogen damage or to the insensitive material of this cracking.Adopt soft (intensity) and complete quenching+tempering treatment process to be favourable to material hydrogen sulfide corrosion resistant simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of hydraulic pressure bimetal composite oil pipe, mainly solve the technical problem existing for above-mentioned prior art, by product prepared by the inventive method, the full surface anticorrosion of its inner surface, anticorrosion intensity is high, and outer tube ensures that composite oil pipe has enough intensity, thus stainless steel composite oil pipe has the characteristic of anticorrosion antiwear, and with low cost, long service life.
For achieving the above object, technical scheme of the present invention is:
A preparation method for hydraulic pressure bimetal composite oil pipe, is characterized in that: the method comprises the following steps:
(1) by the derusting by sandblasting of carbon steel outer tube, ensure that the outer surface of pipe in the inner surface of carbon steel outer tube and stainless steel cleans;
(2) by interior pipe through inside outer tube, put on rear hydraulic press and carry out hydraulic pressure compound;
(3) tube end maching before welding after compound;
(4) need after machining to carry out eddy current inspection to oil pipe entirety;
(5) carry out built-up welding to two pipe ends, built-up welding is completed by automatic welder(welding machine);
(6) heat treatment of laggard line pipe end has been welded;
(7) bushing pipe reconditioning is carried out, and cutting thread, the complete rear inspection of screw thread car;
(8) upper box cupling, latus rectum;
(9) hydrostatic test is carried out;
(10) carry out weighing, survey long, spray mark, be coated with thread compound, spray paint.
The preparation method of described hydraulic pressure bimetal composite oil pipe, it is characterized in that: the method that described hydraulic press carries out hydraulic pressure compound is: the bimetal tube assembled is placed on hydraulic press, bushing pipe two ends seal by hydraulic press seal head, water filling in bushing pipe also discharges air, continue to inject water under high pressure, make bushing pipe generation plastic deformation and make base tube generation elastic deformation, pressurize removes hydraulic pressure after a period of time, base tube need spring back to original caliber because of elastic deformation thus be held tightly by the bushing pipe that plastic deformation occurs, make to produce adhesion between two metal tubes, form bimetallic composite oil pipe.
The preparation method of described hydraulic pressure bimetal composite oil pipe, it is characterized in that: describedly to the method that two pipe ends weld be: on pipe end stainless steel bushing pipe, use automatic welder(welding machine) built-up welding, resurfacing welding material is 625, and stainless steel tube and base tube weld together by heap postwelding.
Tool of the present invention has the following advantages: the full surface anticorrosion of product inner surface prepared by the inventive method, and anticorrosion intensity is high, and outer tube ensures that composite oil pipe has enough intensity, thus stainless steel composite oil pipe has the characteristic of anticorrosion antiwear, and with low cost, long service life.
Accompanying drawing explanation
Fig. 1 is the process chart of the inventive method.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, the invention discloses a kind of preparation method of hydraulic pressure bimetal composite oil pipe, the method comprises the following steps:
(1) by the derusting by sandblasting of carbon steel outer tube, ensure that the outer surface of pipe in the inner surface of carbon steel outer tube and stainless steel cleans;
(2) by interior pipe through inside outer tube, put on rear hydraulic press and carry out hydraulic pressure compound;
(3) tube end maching before welding after compound;
(4) need after machining to carry out eddy current inspection to oil pipe entirety;
(5) carry out built-up welding to two pipe ends, built-up welding is completed by automatic welder(welding machine);
(6) heat treatment of laggard line pipe end has been welded;
(7) bushing pipe reconditioning is carried out, and cutting thread, the complete rear inspection of screw thread car;
(8) upper box cupling, latus rectum;
(9) hydrostatic test is carried out;
(10) carry out weighing, survey long, spray mark, be coated with thread compound, spray paint.
Steel pipe (outer tube) described in flow process refers to: material is the seamless steel pipe of specified standard tubing material in oil pipe national standard.
Bushing pipe (interior pipe) described in flow process refers to: the steel pipe of stainless steel (316L).
Steel pipe derusting described in flow process refers to: use the method for ball blast that steel pipe internal-surface is removed corrosion, dirt etc., ensure the bond strength of steel pipe and stainless steel tube.
Assembling described in flow process refers to: penetrated in carbon steel base tube by stainless steel bushing pipe, and makes bushing pipe two sections stretch out base tube 10-15mm, and between two pipes after assembling, space is at about 2mm.
Hydraulic pressure compound described in flow process refers to: by two pipes after assembling as on hydraulic press, bushing pipe two ends are sealed, bushing pipe inside is filled water and discharges air, continuing water filling makes bushing pipe inside reach high pressure, when after pressure increase to certain value, bushing pipe generation plastic deformation, carbon steel base tube generation elastic deformation, and the external diameter after bushing pipe distortion is greater than the original internal diameter of base tube, like this after the inner pressurize certain hour of bushing pipe removes pressure again, just produce adhesion with bushing pipe after base tube resilience, two pipes are closely linked, form composite steel tube.
Tube end maching described in flow process refers to: by unnecessary for pipe end bushing pipe excision.
Eddy current inspection described in flow process refers to: use the good bimetal tube of eddy current inspection equipment inspection compound to have zero defect.
Built-up welding described in flow process refers to: on pipe end stainless steel bushing pipe, use automatic welder(welding machine) built-up welding, and resurfacing welding material is 625, and stainless steel tube and base tube weld together by heap postwelding.
Pipe ends hot process described in flow process refers to: normalized treatment is carried out in pipe end built-up welding region, to eliminate the residualinternal stress that welding produces.
Bushing pipe reconditioning described in flow process refers to: reconditioning is carried out at the irregular positions such as the part unnecessary to bushing pipe after built-up welding and burr.
Cutting thread described in flow process refers to: car one section of acclive screw thread of tool outside pipe end, connects use for composite oil pipe.
Upper box cupling described in flow process refers to: a box cupling on oil pipe one end.Connect for oil pipe.
Latus rectum described in flow process refers to: whether the internal diameter detecting oil pipe meets standard.
Hydrostatic test described in flow process refers to: inject water under high pressure by composite oil pipe, and pressurize a period of time, detect tubing seal and withstand voltage degree.
Be only preferred embodiment of the present invention in sum, be not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should be technology category of the present invention.
Claims (3)
1. a preparation method for hydraulic pressure bimetal composite oil pipe, is characterized in that: the method comprises the following steps:
(1) by the derusting by sandblasting of carbon steel outer tube, ensure that the outer surface of pipe in the inner surface of carbon steel outer tube and stainless steel cleans;
(2) by interior pipe through inside outer tube, put on rear hydraulic press and carry out hydraulic pressure compound;
(3) tube end maching before welding after compound;
(4) need after machining to carry out eddy current inspection to oil pipe entirety;
(5) carry out built-up welding to two pipe ends, built-up welding is completed by automatic welder(welding machine);
(6) heat treatment of laggard line pipe end has been welded;
(7) bushing pipe reconditioning is carried out, and cutting thread, the complete rear inspection of screw thread car;
(8) upper box cupling, latus rectum;
(9) hydrostatic test is carried out;
(10) carry out weighing, survey long, spray mark, be coated with thread compound, spray paint.
2. the preparation method of hydraulic pressure bimetal composite oil pipe according to claim 1, it is characterized in that: the method that described hydraulic press carries out hydraulic pressure compound is: the bimetal tube assembled is placed on hydraulic press, bushing pipe two ends seal by hydraulic press seal head, water filling in bushing pipe also discharges air, continue to inject water under high pressure, make bushing pipe generation plastic deformation and make base tube generation elastic deformation, pressurize removes hydraulic pressure after a period of time, base tube need spring back to original caliber because of elastic deformation thus be held tightly by the bushing pipe that plastic deformation occurs, make to produce adhesion between two metal tubes, form bimetallic composite oil pipe.
3. the preparation method of hydraulic pressure bimetal composite oil pipe according to claim 1, it is characterized in that: describedly to the method that two pipe ends weld be: on pipe end stainless steel bushing pipe, use automatic welder(welding machine) built-up welding, resurfacing welding material is 625, and stainless steel tube and base tube weld together by heap postwelding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510581930.5A CN105171349A (en) | 2015-09-14 | 2015-09-14 | Preparation method for hydraulic pressure composite thermometal oil pipe |
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| CN201510581930.5A CN105171349A (en) | 2015-09-14 | 2015-09-14 | Preparation method for hydraulic pressure composite thermometal oil pipe |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458633A (en) * | 2016-01-06 | 2016-04-06 | 河北华通线缆集团股份有限公司 | Manufacturing method of low-carbon steel coiled tubing |
| CN105965212A (en) * | 2016-06-24 | 2016-09-28 | 河北宇鹏重工管道装备制造有限公司 | Manufacturing technological method for manufacturing tee joint through double-metal compound steel plate |
| CN106112389A (en) * | 2016-06-24 | 2016-11-16 | 河北宇鹏重工管道装备制造有限公司 | A kind of bimetallic clad steel plate elbow method of manufacturing technology |
| CN106997197A (en) * | 2017-04-28 | 2017-08-01 | 山东德华机床数控设备股份有限公司 | A kind of steel pipe processing Intelligent Production System and the intelligent production method of steel pipe processing using the system |
| CN107186433A (en) * | 2017-07-18 | 2017-09-22 | 东营新佳环保技术开发有限公司 | Interior surfacing anti-corrosive abrasion-proof oil conduit and processing method, process equipment |
| CN107962311A (en) * | 2017-11-29 | 2018-04-27 | 郑博元 | A kind of preparation method of the compound internal corrosion-proof pipe of bimetallic |
| CN108679320A (en) * | 2018-08-22 | 2018-10-19 | 江苏众信绿色管业科技有限公司 | A kind of Covered with Angles enhancing stainless steel tube and its manufacturing method |
| CN108942102A (en) * | 2018-08-01 | 2018-12-07 | 河北华通线缆集团股份有限公司 | A kind of manufacturing method of super-duplex stainless steel coiled tubing |
| CN109514197A (en) * | 2018-11-27 | 2019-03-26 | 泉州市精英阀业有限公司 | A kind of production method of automatic closure furnace body valve |
| CN110181228A (en) * | 2019-05-17 | 2019-08-30 | 东莞材料基因高等理工研究院 | A kind of manufacturing process of bimetallic mechanical composite-curve |
| CN111716745A (en) * | 2020-06-17 | 2020-09-29 | 浙江久立特材科技股份有限公司 | Method for preparing bimetal glued composite pipe |
| CN113369816A (en) * | 2021-06-17 | 2021-09-10 | 高密天一机械科技有限公司 | Production method of composite steel pipe with plastic-coated outer layer and stainless steel lining |
| CN114453915A (en) * | 2022-04-11 | 2022-05-10 | 山东永利精工石油装备股份有限公司 | Compound metal corrosion-resistant oil pipe preparation device for oil and gas field exploitation |
| CN115383410A (en) * | 2022-09-16 | 2022-11-25 | 达力普石油专用管有限公司 | Steel pipe external thread machining method, steel pipe machining system and workshop for steel pipe machining |
| CN115446602A (en) * | 2022-09-01 | 2022-12-09 | 宝顿电子机械股份有限公司 | Automatic production line for continuous forming of pipe ends of oil filling pipelines |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458633A (en) * | 2016-01-06 | 2016-04-06 | 河北华通线缆集团股份有限公司 | Manufacturing method of low-carbon steel coiled tubing |
| CN105965212A (en) * | 2016-06-24 | 2016-09-28 | 河北宇鹏重工管道装备制造有限公司 | Manufacturing technological method for manufacturing tee joint through double-metal compound steel plate |
| CN106112389A (en) * | 2016-06-24 | 2016-11-16 | 河北宇鹏重工管道装备制造有限公司 | A kind of bimetallic clad steel plate elbow method of manufacturing technology |
| CN106112389B (en) * | 2016-06-24 | 2018-04-20 | 河北宇鹏重工管道装备制造有限公司 | A kind of bimetallic clad steel plate elbow method of manufacturing technology |
| CN105965212B (en) * | 2016-06-24 | 2018-04-20 | 河北宇鹏重工管道装备制造有限公司 | A kind of bimetallic clad steel plate threeway method of manufacturing technology |
| CN106997197A (en) * | 2017-04-28 | 2017-08-01 | 山东德华机床数控设备股份有限公司 | A kind of steel pipe processing Intelligent Production System and the intelligent production method of steel pipe processing using the system |
| CN106997197B (en) * | 2017-04-28 | 2023-02-28 | 山东德华一机床数控设备股份有限公司 | Intelligent steel pipe machining production system and intelligent steel pipe machining production method using same |
| CN107186433A (en) * | 2017-07-18 | 2017-09-22 | 东营新佳环保技术开发有限公司 | Interior surfacing anti-corrosive abrasion-proof oil conduit and processing method, process equipment |
| CN107962311A (en) * | 2017-11-29 | 2018-04-27 | 郑博元 | A kind of preparation method of the compound internal corrosion-proof pipe of bimetallic |
| CN107962311B (en) * | 2017-11-29 | 2020-05-19 | 郑博元 | Preparation method of bimetal composite inner anticorrosive pipe |
| CN108942102B (en) * | 2018-08-01 | 2020-05-12 | 河北华通线缆集团股份有限公司 | Manufacturing method of super duplex stainless steel coiled tubing |
| CN108942102A (en) * | 2018-08-01 | 2018-12-07 | 河北华通线缆集团股份有限公司 | A kind of manufacturing method of super-duplex stainless steel coiled tubing |
| CN108679320A (en) * | 2018-08-22 | 2018-10-19 | 江苏众信绿色管业科技有限公司 | A kind of Covered with Angles enhancing stainless steel tube and its manufacturing method |
| CN109514197A (en) * | 2018-11-27 | 2019-03-26 | 泉州市精英阀业有限公司 | A kind of production method of automatic closure furnace body valve |
| CN109514197B (en) * | 2018-11-27 | 2021-01-15 | 泉州市精英阀业有限公司 | Manufacturing method of automatic closing furnace body valve |
| CN110181228B (en) * | 2019-05-17 | 2021-02-02 | 东莞材料基因高等理工研究院 | Manufacturing process of bimetal mechanical composite bent pipe |
| CN110181228A (en) * | 2019-05-17 | 2019-08-30 | 东莞材料基因高等理工研究院 | A kind of manufacturing process of bimetallic mechanical composite-curve |
| CN111716745A (en) * | 2020-06-17 | 2020-09-29 | 浙江久立特材科技股份有限公司 | Method for preparing bimetal glued composite pipe |
| CN113369816A (en) * | 2021-06-17 | 2021-09-10 | 高密天一机械科技有限公司 | Production method of composite steel pipe with plastic-coated outer layer and stainless steel lining |
| CN114453915B (en) * | 2022-04-11 | 2022-06-07 | 山东永利精工石油装备股份有限公司 | Composite metal corrosion-resistant oil pipe preparation device for oil and gas field exploitation |
| CN114453915A (en) * | 2022-04-11 | 2022-05-10 | 山东永利精工石油装备股份有限公司 | Compound metal corrosion-resistant oil pipe preparation device for oil and gas field exploitation |
| CN115446602A (en) * | 2022-09-01 | 2022-12-09 | 宝顿电子机械股份有限公司 | Automatic production line for continuous forming of pipe ends of oil filling pipelines |
| CN115446602B (en) * | 2022-09-01 | 2024-04-16 | 宝顿电子机械股份有限公司 | Automatic production line for continuous molding of pipe ends of oil filling pipelines |
| CN115383410A (en) * | 2022-09-16 | 2022-11-25 | 达力普石油专用管有限公司 | Steel pipe external thread machining method, steel pipe machining system and workshop for steel pipe machining |
| CN115383410B (en) * | 2022-09-16 | 2023-12-15 | 达力普石油专用管有限公司 | Steel pipe external thread machining method, steel pipe machining system and workshop for steel pipe machining |
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Application publication date: 20151223 |
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