CN101082269A - Petroleum annular tube reducer union and production process - Google Patents
Petroleum annular tube reducer union and production process Download PDFInfo
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- CN101082269A CN101082269A CN200610013961.1A CN200610013961A CN101082269A CN 101082269 A CN101082269 A CN 101082269A CN 200610013961 A CN200610013961 A CN 200610013961A CN 101082269 A CN101082269 A CN 101082269A
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- reducer union
- union
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- tube
- screw
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims description 28
- 239000003208 petroleum Substances 0.000 title claims description 21
- 239000000463 material Substances 0.000 claims abstract description 41
- 238000005516 engineering process Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000013461 design Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000007747 plating Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 6
- 208000004141 microcephaly Diseases 0.000 claims description 6
- 239000003607 modifier Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 230000008676 import Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention provides a reducer union of the oil bushing and its prepare technologies. Its technologies contain: 1. hot expanding technology: select material tube, prepare tube, design hot expanding core, heat to , heat processing, rough turn internal and external diameters, detect, take photo, process screw, screw phosphorize/copper facing, package and warehouse entry. 2. hot shrinkage technology: select material tube, prepare tube, design hot shrinkage die, heat to the galling temperature, hot shrinkage distortion in the die, heat processing, rough turn internal and external diameters, detect, take photo, process screw, screw phosphorize/copper facing, package and warehouse entry. The reducer union of the oil bushing contains: the big-end part with internal screw, the small-end part with external screw and the conical part between the big-end part and the small-end part. The favorable effects of this invention are: taking high compression and corrosion resistant bushing as materials to replace the existing process technology and the import reducer union can simplify the technology, improve the working efficiency and lumber rate and resolve the mating problem of the union and high steel bushing.
Description
Technical field
What the present invention relates to is petroleum annular tube reducer union and manufacture craft thereof, particularly be adopt with the supporting coupling material steel pipe of petroleum casing pipe as raw material, directly make a whole set of manufacture craft of petroleum annular tube reducer union.
Background technology
In the design of oil exploitation oil well, the oil extraction operation sleeve pipe belongs to permanent device.Distribute and the geological condition difference according to oil reservoir, oil well depth is different with the angle of inclination, needs at the less sleeve pipe of appropriate location, bottom installation specification for deep-well, and the connector of two kinds of different size sleeve pipes is called reducer union up and down.
The oil field great majority are from external buying reducer union in the prior art, and empty, machine-shaping by the solid steel part of 35CrMo material in order to adopt for its technology, satisfy performance requirement by strengthening wall thickness.Its shortcoming has four: one, and complex process must be processed through multiple working procedures such as boring, reamings; The 2nd, with solid material processing, workpiece is from great; The 3rd, just can finish by multiple working procedure, so operating efficiency and lumber recovery are low; The 4th, can not satisfy and the supporting requirement of high steel-grade bushing, can not adapt to the reducer union of high collapse-resistance/anticorrosive sleeve kit of producing with the applicant because of the material of prior art.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, high collapse-resistance/same grade of steel of anticorrosive sleeve pipe that a kind of and applicant produce is provided, with the steel pipe of grade of steel as raw material, satisfy high the resistance and ruin/demand of anticorrosive deep-well, adopt a whole set of manufacture craft of heat expansions/pyrocondensation technology making petroleum annular tube reducer union.
The technical scheme that solves the problems of the technologies described above is: a kind of manufacture craft of petroleum annular tube reducer union, and this manufacture craft comprises: heat expands preparation technology and pyrocondensation preparation technology, and above-mentioned two kinds of processing steps are as follows:
(1) heat expansion manufacture craft is carried out as follows: (1) selects mother tube: select steel pipe as mother tube according to the material of designing requirement and microcephaly's specification of reducer union finished product; (2) make the pipe material: the mother tube selected is added the surplus sawing by the length of production tube joint requirement; (3) design hot core expansion head: hot core expansion head diameter at butt end=union finished product large head external diameter-2 * union wall thickness; (4) one's own wishful thinking hole enlargement: will manage material and put into induction heating equipment pipe material one end is carried out eddy-current heating, and make this end reach the temperature of plastic strain, mobile again core print enters pipe material internal diameter heat and expands to requiring length; (5) heat treatment, rough turn interior external diameter: heat is expanded qualified semiproduct carry out modifier treatment, the performance certified products carry out sandblast, surfaces externally and internally is rough turn; (6) flaw detection, photograph: the straight section to qualified semiproduct two ends, rough turn back partly carries out ultrasonic testing/ ultrasonic examination, and the excessive section of taper is carried out radiograph; (7) machining screw: by the button-type of designing requirement, processing reducer union two ends screw thread, and by standard test; (8) screw thread phosphatization/copper plating treatment: the reducer union screw thread is carried out phosphatization/copper plating treatment; (9), screw thread protection ring and packing warehouse-in are installed to japanning, spray mark, the finished product that is up to the standards.
(2) pyrocondensation manufacture craft is carried out as follows: (1) selects mother tube: select steel pipe as mother tube according to the material of designing requirement and the major part specification of reducer union finished product; (2) make the pipe material: the mother tube of selecting is added surplus sawing, planar end surface, chamfering by production tube joint requirement length; (3) design pyrocondensation mould: according to the design size requirement, design reducer union pyrocondensation mould, mould microcephaly internal diameter=union finished product small head external diameter+3～6mm is determined number of molds according to the deflection size; (4) be heated to plastic deformation temperatures: pipe material in the above-mentioned steps (2) is put into induction heating equipment pipe material one end is carried out eddy-current heating, be heated to plastic deformation temperatures; (5) pyrocondensation distortion in mould: the mould that the pipe material after the heating of above-mentioned steps (4) one ends is put under the press device carries out compressive strain, and pipe is expected in the mould internal strain to the size that requires; (6) heat treatment, rough turn interior external diameter: the qualified semiproduct of above-mentioned steps (5) pyrocondensation are carried out modifier treatment, and the performance certified products carry out sandblast, the rough turn processing of surfaces externally and internally; (7) flaw detection, photograph: the straight section to qualified semiproduct two ends, rough turn back partly carries out ultrasonic testing/ ultrasonic examination, and the excessive section of taper is carried out radiograph; (8) machining screw: by the button-type processing reducer union two ends screw thread of designing requirement and by standard test; (9) phosphatization/copper plating treatment: the reducer union screw thread is carried out phosphatization/copper plating treatment; (10), screw thread protection ring and packing warehouse-in are installed to japanning, spray mark, the finished product that is up to the standards.
The temperature that described pipe material one end is heated to plastic strain is: 780C °-1050C °.
The petroleum annular tube reducer union that a kind of manufacture craft according to petroleum annular tube reducer union is made, described petroleum annular tube reducer union comprises: wall thickness is consistent have internal thread big end parts, have externally threaded small end part, excessive naturally tapering part between big end parts and small end are divided.
The invention has the beneficial effects as follows: can utilize to have high collapse-resistance/anticorrosive casing coupling material steel pipe is as the annular tube reducer union raw material, substitute and existingly to empty process technology and from external import reducer union product with solid material, simplified the processing technology of prior art, operating efficiency and lumber recovery have been improved, reduce the consumption of metal material, solved reducer union and high steel-grade bushing steel grade corresponding problem, alleviated own wt, reduce cost, satisfied customer requirements.
Description of drawings
Fig. 1 is a petroleum annular tube reducer union structural representation of the present invention.
The specific embodiment
Further describe below in conjunction with 1 pair of enforcement of the present invention of accompanying drawing.
The invention provides a kind of manufacture craft of petroleum annular tube reducer union, the supporting coupling material steel pipe of this process using and petroleum casing pipe is directly made a whole set of manufacture craft of petroleum annular tube reducer union as raw material.
Manufacture craft of the present invention comprises: heat expands preparation technology and pyrocondensation preparation technology, and above-mentioned two kinds of processing steps are as follows:
(1) heat expansion manufacture craft is carried out as follows:
(1) selects mother tube: select steel pipe as mother tube according to the material of designing requirement and microcephaly's specification of reducer union finished product;
(2) make the pipe material: the mother tube selected is added the surplus sawing by the length of production tube joint requirement;
(3) design hot core expansion head: hot core expansion head diameter at butt end=union finished product large head external diameter-2 * union wall thickness;
(4) one's own wishful thinking hole enlargement: will manage material and put into induction heating equipment, promptly, in the hot expansion equipment of hydraulic pressure two step ejector sleeve machines pipe material one end is carried out eddy-current heating, make this end reach the temperature of plastic strain, mobile again core print enters pipe material internal diameter heat and expands to requiring length, and it is 200～400mm/min that core print moves push system speed; Eddy-current heating to the temperature of plastic strain is 780～1020 ℃;
(5) processing, rough turn interior external diameter: heat is expanded qualified semiproduct carry out modifier treatment, the performance certified products carry out sandblast, surfaces externally and internally is rough turn;
(6) flaw detection, photograph: the straight section to qualified semiproduct two ends, rough turn back partly carries out ultrasonic testing/ ultrasonic examination, and the excessive section of taper is carried out radiograph;
(7) machining screw: by the button-type of designing requirement, processing reducer union two ends screw thread, and by standard test;
(8) screw thread phosphatization/copper plating treatment: the reducer union screw thread is carried out phosphatization/copper plating treatment;
(9), screw thread protection ring and packing warehouse-in are installed to japanning, spray mark, the finished product that is up to the standards;
(2) pyrocondensation manufacture craft is carried out as follows:
(1) selects mother tube: select steel pipe as mother tube according to the material of designing requirement and the major part specification of reducer union finished product;
(2) make the pipe material: the mother tube of selecting is added surplus sawing, planar end surface, chamfering by production tube joint requirement length;
(3) design pyrocondensation mould: according to the design size requirement, design reducer union pyrocondensation mould, mould microcephaly internal diameter=union finished product small head external diameter+3～6mm, the quantity of pyrocondensation mould is determined number of molds according to the deflection size;
(4) be heated to plastic deformation temperatures: pipe material in the above-mentioned steps (2) is put into induction heating equipment pipe material one end is carried out eddy-current heating, make this end reach plastic deformation temperatures, this heating-up temperature is 800～1050 ℃;
(5) pyrocondensation distortion in mould: the mould that the pipe material after the heating of above-mentioned steps (4) one ends is put into press device under carries out compressive strain, makes pipe expect that in the mould internal strain to the size that requires, above-mentioned press device is a hydraulic straightening machine;
(6) heat treatment, rough turn interior external diameter: the qualified semiproduct of above-mentioned steps (5) pyrocondensation are carried out modifier treatment, and the performance certified products carry out sandblast, the rough turn processing of surfaces externally and internally;
(7) flaw detection, photograph: the straight section to qualified semiproduct two ends, rough turn back partly carries out ultrasonic testing/ ultrasonic examination, and the excessive section of taper is carried out radiograph;
(8) machining screw: by the button-type processing reducer union two ends screw thread of designing requirement and by standard test;
(9) phosphatization/copper plating treatment: the reducer union screw thread is carried out phosphatization/copper plating treatment;
(10), screw thread protection ring and packing warehouse-in are installed to japanning, spray mark, the finished product that is up to the standards.
The temperature that described pipe material one end is heated to plastic strain is: 780C °-1050C °.
The invention provides a kind of petroleum annular tube reducer union of making according to the manufacture craft of above-mentioned petroleum annular tube reducer union, this petroleum annular tube reducer union comprises: the consistent big end parts with internal thread of wall thickness
(A), have externally threaded small end part (C), be positioned at partly excessive naturally tapering part (B) between (C) of big end parts (A) and small end.
By oil field design and standard-required, the button-type of screw thread comprises: oval button (LC), inclined to one side ladder lock (BC), special button (HT) etc.
Claims (3)
1. the manufacture craft of a petroleum annular tube reducer union is characterized in that, this manufacture craft comprises: heat expands preparation technology and pyrocondensation preparation technology, and above-mentioned two kinds of processing steps are as follows:
(1) heat expansion manufacture craft is carried out as follows:
(1) selects mother tube: select steel pipe as mother tube according to the material of designing requirement and microcephaly's specification of reducer union finished product;
(2) make the pipe material: the mother tube selected is added the surplus sawing by the length of production tube joint requirement;
(3) design hot core expansion head: hot core expansion head diameter at butt end=union finished product large head external diameter-2 * union wall thickness;
(4) one's own wishful thinking hole enlargement: will manage material and put into induction heating equipment pipe material one end is carried out eddy-current heating, and make this end reach the temperature of plastic strain, mobile again core print enters pipe material internal diameter heat and expands to requiring length;
(5) heat treatment, rough turn interior external diameter: heat is expanded qualified semiproduct carry out modifier treatment, the performance certified products carry out sandblast, surfaces externally and internally is rough turn;
(6) flaw detection, photograph: the straight section to qualified semiproduct two ends, rough turn back partly carries out ultrasonic testing/ ultrasonic examination, and the excessive section of taper is carried out radiograph;
(7) machining screw: by the button-type of designing requirement, processing reducer union two ends screw thread, and by standard test;
(8) screw thread phosphatization/copper plating treatment: the reducer union screw thread is carried out phosphatization/copper plating treatment;
(9), screw thread protection ring and packing warehouse-in are installed to japanning, spray mark, the finished product that is up to the standards;
(2) pyrocondensation manufacture craft is carried out as follows:
(1) selects mother tube: select steel pipe as mother tube according to the material of designing requirement and the major part specification of reducer union finished product;
(2) make the pipe material: the mother tube of selecting is added surplus sawing, planar end surface, chamfering by production tube joint requirement length;
(3) design pyrocondensation mould: according to the design size requirement, design reducer union pyrocondensation mould, mould microcephaly internal diameter=union finished product small head external diameter+3～6mm is determined number of molds according to the deflection size;
(4) be heated to plastic deformation temperatures: pipe material in the above-mentioned steps (2) is put into induction heating equipment pipe material one end is carried out eddy-current heating, be heated to plastic deformation temperatures;
(5) pyrocondensation distortion in mould: the mould that the pipe material after the heating of above-mentioned steps (4) one ends is put under the press device carries out compressive strain, and pipe is expected in the mould internal strain to the size that requires;
(6) heat treatment, rough turn interior external diameter: the qualified semiproduct of above-mentioned steps (5) pyrocondensation are carried out modifier treatment, and the performance certified products carry out sandblast, the rough turn processing of surfaces externally and internally;
(7) flaw detection, photograph: the straight section to qualified semiproduct two ends, rough turn back partly carries out ultrasonic testing/ ultrasonic examination, and the excessive section of taper is carried out radiograph;
(8) machining screw: by the button-type processing reducer union two ends screw thread of designing requirement and by standard test;
(9) phosphatization/copper plating treatment: the reducer union screw thread is carried out phosphatization/copper plating treatment;
(10), screw thread protection ring and packing warehouse-in are installed to japanning, spray mark, the finished product that is up to the standards.
According to described in the claim 1 manufacture craft, it is characterized in that the temperature that described pipe material one end is heated to plastic strain is: 780C °-1050C °.
3. petroleum annular tube reducer union of making according to the manufacture craft of petroleum annular tube reducer union described in the claim 1, it is characterized in that described petroleum annular tube reducer union comprises: wall thickness is consistent have internal thread big end parts (A), have externally threaded small end part (C), be positioned at partly excessive naturally tapering part (B) between (C) of big end parts (A) and small end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610013961.1A CN101082269A (en) | 2006-05-30 | 2006-05-30 | Petroleum annular tube reducer union and production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610013961.1A CN101082269A (en) | 2006-05-30 | 2006-05-30 | Petroleum annular tube reducer union and production process |
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| Publication Number | Publication Date |
|---|---|
| CN101082269A true CN101082269A (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610013961.1A Pending CN101082269A (en) | 2006-05-30 | 2006-05-30 | Petroleum annular tube reducer union and production process |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871080A (en) * | 2010-05-26 | 2010-10-27 | 衡阳华菱钢管有限公司 | Sleeve for thick oil thermal production well and production method |
| CN102205375A (en) * | 2010-12-30 | 2011-10-05 | 广东坚朗五金制品有限公司 | Method for pressing press pipe joint of steel inhaul cable |
| CN102251749A (en) * | 2011-05-26 | 2011-11-23 | 天津钢管集团股份有限公司 | Phi 406-phi 130 large-caliper petroleum casing pipe variable-diameter joint and manufacturing method thereof |
| CN102896470A (en) * | 2012-10-11 | 2013-01-30 | 合肥实华管件有限责任公司 | Production technology for pipe cap with hole |
| CN103341732A (en) * | 2013-06-28 | 2013-10-09 | 江苏仓环铜业股份有限公司 | Manufacturing method of connector |
| CN104074474A (en) * | 2014-04-29 | 2014-10-01 | 西安石油大学 | Sleeve applicable to diameter expansion deformation and processing method |
| CN105290728A (en) * | 2015-10-26 | 2016-02-03 | 天津钢管集团股份有限公司 | Manufacturing method for phi366-phi271 high-grade-steel thick-wall oil casing reducer union |
| CN105442834A (en) * | 2016-01-08 | 2016-03-30 | 平煤神马建工集团有限公司 | Combined connecting pipe and connecting method thereof |
| CN110871340A (en) * | 2018-08-31 | 2020-03-10 | 常熟理工学院 | Method for manufacturing hollow stepped shaft |
| CN111015127A (en) * | 2019-12-30 | 2020-04-17 | 杭州康达工具有限公司 | Production process for producing vehicle axle head hub sleeve |
| CN112439678A (en) * | 2019-09-03 | 2021-03-05 | 中国石油天然气集团有限公司 | Anticorrosion coating process in oil casing |
| CN112963126A (en) * | 2021-03-26 | 2021-06-15 | 中勘资源勘探科技股份有限公司 | Coal mine mining area ground gas extraction well expansion device and use method |
| CN114321519A (en) * | 2020-09-28 | 2022-04-12 | 南京菲斯特焊接科技有限公司 | Reducing plastic hose and forming method |
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2006
- 2006-05-30 CN CN200610013961.1A patent/CN101082269A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871080A (en) * | 2010-05-26 | 2010-10-27 | 衡阳华菱钢管有限公司 | Sleeve for thick oil thermal production well and production method |
| CN102205375B (en) * | 2010-12-30 | 2013-05-15 | 广东坚朗五金制品股份有限公司 | Method for pressing press pipe joint of steel inhaul cable |
| CN102205375A (en) * | 2010-12-30 | 2011-10-05 | 广东坚朗五金制品有限公司 | Method for pressing press pipe joint of steel inhaul cable |
| CN102251749A (en) * | 2011-05-26 | 2011-11-23 | 天津钢管集团股份有限公司 | Phi 406-phi 130 large-caliper petroleum casing pipe variable-diameter joint and manufacturing method thereof |
| CN102896470B (en) * | 2012-10-11 | 2016-01-20 | 合肥实华管件有限责任公司 | A kind of production technology for pipe cap with hole |
| CN102896470A (en) * | 2012-10-11 | 2013-01-30 | 合肥实华管件有限责任公司 | Production technology for pipe cap with hole |
| CN103341732B (en) * | 2013-06-28 | 2016-08-31 | 江苏仓环铜业股份有限公司 | A kind of manufacture method of joint |
| CN103341732A (en) * | 2013-06-28 | 2013-10-09 | 江苏仓环铜业股份有限公司 | Manufacturing method of connector |
| CN104074474B (en) * | 2014-04-29 | 2015-08-12 | 西安石油大学 | A kind of sleeve pipe and processing method being applicable to expanding distortion |
| CN104074474A (en) * | 2014-04-29 | 2014-10-01 | 西安石油大学 | Sleeve applicable to diameter expansion deformation and processing method |
| CN105290728A (en) * | 2015-10-26 | 2016-02-03 | 天津钢管集团股份有限公司 | Manufacturing method for phi366-phi271 high-grade-steel thick-wall oil casing reducer union |
| CN105442834A (en) * | 2016-01-08 | 2016-03-30 | 平煤神马建工集团有限公司 | Combined connecting pipe and connecting method thereof |
| CN110871340A (en) * | 2018-08-31 | 2020-03-10 | 常熟理工学院 | Method for manufacturing hollow stepped shaft |
| CN112439678A (en) * | 2019-09-03 | 2021-03-05 | 中国石油天然气集团有限公司 | Anticorrosion coating process in oil casing |
| CN112439678B (en) * | 2019-09-03 | 2022-11-01 | 中国石油天然气集团有限公司 | Anticorrosion coating process in oil casing |
| CN111015127A (en) * | 2019-12-30 | 2020-04-17 | 杭州康达工具有限公司 | Production process for producing vehicle axle head hub sleeve |
| CN111015127B (en) * | 2019-12-30 | 2021-04-27 | 杭州康达工具有限公司 | Production process for producing vehicle axle head hub sleeve |
| CN114321519A (en) * | 2020-09-28 | 2022-04-12 | 南京菲斯特焊接科技有限公司 | Reducing plastic hose and forming method |
| CN112963126A (en) * | 2021-03-26 | 2021-06-15 | 中勘资源勘探科技股份有限公司 | Coal mine mining area ground gas extraction well expansion device and use method |
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Open date: 20071205 |