CN103302461A - Manufacturing method and manufacturing equipment of integral petroleum heavy weight drill pipe - Google Patents
Manufacturing method and manufacturing equipment of integral petroleum heavy weight drill pipe Download PDFInfo
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- CN103302461A CN103302461A CN2013102552473A CN201310255247A CN103302461A CN 103302461 A CN103302461 A CN 103302461A CN 2013102552473 A CN2013102552473 A CN 2013102552473A CN 201310255247 A CN201310255247 A CN 201310255247A CN 103302461 A CN103302461 A CN 103302461A
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Abstract
The invention discloses a manufacturing method and manufacturing equipment of an integral petroleum heavy weight drill pipe. The method comprises the specific steps of selecting a pipe material as a raw forging material of the integral petroleum heavy weight drill pipe, upsetting and thickening a pipe end with forging equipment, conducting quenched-tempered heat treatment, fine boring an inner hole of the pipe material, fine turning an outer circle, finally turning out required threads, and obtaining the integral petroleum heavy weight drill pipe. Compared with the available manufacturing method of the integral petroleum heavy weight drill pipe, the manufacturing method of the integral petroleum heavy weight drill pipe saves the raw material, lowers the production cost and improves the production efficiency, and transverse impact energy of the material is improved after the raw material is forged again by the equipment, so that a mechanical property of a product is improved.
Description
Technical field
The invention belongs to oil exploitation process equipment field, be specifically related to a kind of manufacture method and manufacturing equipment thereof of oil integrally-weighted drilling rod.
Background technology
The oil integrally-weighted drilling rod is the main structure parts of drill string in the oil drilling tools, plays the effect of drilling rod and drill collar transition, and the mechanical performance of its material is had strict requirement.Because the oil integrally-weighted drilling rod is very long, its structure is comprised of the blank area at middle body and body two ends, and body two ends joint area diameter is large, and intervalve body region diameter is little, and steel mill can not produce the raw material of this kind structure.
At present, produce the oil integrally-weighted drilling rod and need buy slightly larger in diameter in the bar of joint area, the machining process manufacturing by heat treatment, drilling deep hole and turning draws.The shortcoming such as there is the serious waste material in the method, product core mechanical property is low and working (machining) efficiency is low.Along with the shortage of the energy and material, being growing more intense of market competition directly adopts above-mentioned machining process to make the industry requirement that the oil integrally-weighted drilling rod is difficult to satisfy the material consumption reduction.
Summary of the invention
Problem for prior art exists the invention provides a kind of manufacture method of enhancing productivity, reduce production costs, improving the oil integrally-weighted drilling rod of mechanical property, and another object of the present invention provides the manufacturing equipment of implementing said method.
For achieving the above object, the manufacture method of a kind of oil integrally-weighted drilling rod of the present invention, be specially: at first select materials in the tube to forge raw material as the oil integrally-weighted drilling rod, use forging equipment that tube upset is thickeied, then by after the modified heat treatment, right boring materials in the tube endoporus and fine turning outer circle, last car goes out required screw thread, obtains the oil integrally-weighted drilling rod.
Further, after choosing described materials in the tube, pipe end is carried out heat treated, re-use forging equipment tube upset is thickeied.
Implement the manufacturing equipment of the oil integrally-weighted drilling rod of said method, comprise the horizontal hydraulic unit, be provided with the die unit that adds locking oil cylinder, extrusion oil cylinder, clamping device and restriction mother tube pipe end shape on the horizontal hydraulic unit fuselage, add the master slider that is provided with longitudinal sliding motion on the locking oil cylinder, mother tube is installed in the clamping device, and the master slider longitudinal sliding motion compresses clamping device mother tube is fixed; Be provided with the side slide of horizontal slip on the extrusion oil cylinder, be provided with the extruding punch to the horizontal jumping-up thickening of the pipe end of mother tube on the side slide.
Further, described clamping device comprises clamping device and lower fixture, and wherein, upper clamping device is arranged on the described master slider, and lower fixture is arranged on fuselage corresponding to clamping device below.
Further, described die unit comprises first die and second die, and first die is arranged on the described master slider, and second die is arranged on fuselage corresponding to first die below, and first die and second die are corresponding to the pipe end of described mother tube.
Further, described locking oil cylinder and the described extrusion oil cylinder centralized Control of adding is provided with manually and automatic two kinds of control device.
Further, described locking oil cylinder and the described extrusion oil cylinder of adding is provided with and decides journey and two kinds of setting devices of level pressure.
Further, describedly add that locking oil cylinder and described extrusion oil cylinder are provided with fast and control device at a slow speed.
Further, become to hollow out column structure after described upper clamping device and the supporting closure of described lower fixture, body diameter is determined by forging the materials in the tube external diameter.
Further, become to hollow out column structure after described first die and the supporting closure of described second die, body diameter requires to determine by forging; Described extruding punch nose circle column diameter is determined by the hammer welded pipe blanking aperture.
Further, described first die, described second die and described extruding punch consist of stamp forging mould and are used in combination, and stamp forging mould forms, size and shape requires to determine or replace by forging.
Further, described mother tube is placed on the lower fixture, starts the described locking oil cylinder that adds, described upper clamping device and first die move, the closed mother tube that clamps of described upper clamping device and lower fixture starts extrusion oil cylinder, and described extruding punch extruding end upsetting is shaped.
The manufacture method of oil integrally-weighted drilling rod of the present invention is compared with existing oil integrally-weighted drilling rod manufacture method, saved raw material, reduced production cost, improved production efficiency, and after this equipment raw material is forged processing again, improve the side knock merit of material itself, thereby improved the mechanical property of product.
Description of drawings
Fig. 1 changes schematic diagram one for the materials in the tube of using the inventive method;
Fig. 2 changes schematic diagram two for the materials in the tube of using the inventive method;
Fig. 3 changes schematic diagram three for the materials in the tube of using the inventive method;
Fig. 4 changes schematic diagram four for the materials in the tube of using the inventive method;
Fig. 5 changes schematic diagram one for the bar that uses existing conventional method;
Fig. 6 changes schematic diagram two for the bar that uses existing conventional method;
Fig. 7 changes schematic diagram three for the bar that uses existing conventional method;
Fig. 8 is the structural representation of the manufacturing equipment of oily integrally-weighted drilling rod;
Fig. 9 is the structural representation of clamping device, die unit;
Wherein, 1 is fuselage, and 2 for adding locking oil cylinder, and 3 is extrusion oil cylinder, and 4 is master slider, and 5 is upper clamping device, and 6 is lower fixture, and 7 is second die, and 8 is first die, and 9 is side slide, and 10 are the extruding punch, and 11 is the raw material materials in the tube.
The specific embodiment
Below, with reference to the accompanying drawings, the present invention is more fully illustrated, shown in the drawings of exemplary embodiment of the present invention.Yet the present invention can be presented as multiple multi-form, and should not be construed as the exemplary embodiment that is confined to narrate here.But, these embodiment are provided, thereby make the present invention comprehensively with complete, and scope of the present invention is fully conveyed to those of ordinary skill in the art.
In order to be easy to explanation, here can use such as " on ", the space relative terms such as D score " left side " " right side ", be used for element shown in the key diagram or feature with respect to the relation of another element or feature.It should be understood that except the orientation shown in the figure, spatial terminology is intended to comprise the different azimuth of device in using or operating.For example, if the device among the figure is squeezed, be stated as the element that is positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, the exemplary term D score can comprise upper and lower orientation both.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and the relative explanation in used space here can correspondingly be explained.
Embodiment
Make conventional No. 5 oil integrally-weighted drilling rods (φ 174mm * φ 70mm * 9700mm) as example, use the materials in the tube of the inventive method to change schematic diagram as shown in Figures 1 to 4 take the inventive method.At first materials in the tube select the materials in the tube (heavy 970kg) of φ 140mm * φ 70mm * 10800mm as forging raw material, after the pipe end heat treated, to use equipment shown in Figure 8 that tube upset is thickeied to external diameter 174mm.Then by after the modified heat treatment, right boring materials in the tube endoporus and fine turning outer circle make materials in the tube internal orifice dimension and external diameter all reach the standard size of No. 5 oil integrally-weighted drilling rods.Last car goes out required screw thread, obtain No. 5 final oil integrally-weighted drilling rod product (φ 174mm * φ 70mm * 9700mm, heavy 727kg), namely use present device and method to make the required raw material 970kg of No. 5 oil integrally-weighted drilling rods, No. 5 oil integrally-weighted drilling rods of finished product weight is 727kg, spillage of material 243kg.
The employed tube upset thickening equipment of said method such as Fig. 8, shown in Figure 9, comprise the horizontal hydraulic unit, be provided with on the horizontal hydraulic unit fuselage 1 two 1000 tons add locking oil cylinder 2, one 1000 tons extrusion oil cylinder 3, the die unit of clamping device and restriction mother tube pipe end shape, add the master slider 4 that is provided with longitudinal sliding motion on the locking oil cylinder 2, mother tube 11 is installed in the clamping device, clamping device comprises clamping device 5 and lower fixture 6, wherein, upper clamping device 5 is arranged on the described master slider 4, and lower fixture 6 is arranged on the fuselage 2 of clamping device 5 below correspondences.Mother tube 11 is placed on the lower fixture 6, and master slider 4 longitudinal sliding motions compress clamping device, and mother tube 11 is fixing.
The die unit that limits mother tube 11 pipe end shapes comprises first die 8 and second die 7, first die 8 is arranged on the described master slider 4, second die 7 is arranged on the fuselage 2 of first die 8 below correspondences, and first die 8 and second die 7 are corresponding to the pipe end of described mother tube 11.
Be provided with the side slide 9 of horizontal slip on the extrusion oil cylinder 3, be provided with the extruding punch 10 to the horizontal jumping-up thickening of the pipe end of mother tube 11 on the side slide 9, extruding punch 10 front ends are cylindrical structure, and its diameter is 70mm, and is identical with raw material materials in the tube 11 apertures.
When startup adds locking oil cylinder, master slider 2 related upper clamping device 5 and first die 8 down slidings.Final upward clamping device 5 and the lower fixture 6 closed mother tubes 11 that clamp, closed rear one-tenth hollows out column structure, and body diameter is 140mm, and is identical with raw material materials in the tube 11 external diameters.First die 8 and second die 7 closures, closed rear one-tenth hollows out column structure, and body diameter is 174mm, and is identical with tube end diameter after the forging.In the time of near side slide 9 slides into lower clamping die 7, the front end of extruding punch 10 enters into materials in the tube 11 apertures, works to support the aperture.
First die 8, second die 7 and extruding punch 10 consist of stamp forging mould and are used in combination, and stamp forging mould forms, size and shape can require to determine or replace according to forging.Add locking oil cylinder 2 and extrusion oil cylinder 3 centralized Control, be provided with manually and automatic two kinds of control device, and be provided with and decide journey and two kinds of setting devices of level pressure and control device fast and at a slow speed.
Use the inventive method to make the oil integrally-weighted drilling rod, machine-finish allowance greatly reduces, endoporus and cylindrical only need carry out fine finishining and get final product, therefore its production efficiency is as the criterion with the output of end upsetting, use equipment of the present invention through experiment, at least can forge 100 of heavy weight drill pipes every day, can produce at least per month 3000 of heavy weight drill pipes, production efficiency obviously improves.And after raw material is forged processing again, improved the side knock merit of material itself, thereby improved the mechanical property of product, improved the fatigue resistance of product.
Comparative Examples
Equally, (φ 174mm * φ 70mm * 9700mm) as example, compare explanation, the bar variation schematic diagram of the existing conventional method of use such as Fig. 5 are to shown in Figure 7 to use existing conventional method to make No. 5 oil integrally-weighted drilling rods.Existing conventional method selects the round bar (heavy 1830kg) of φ 175mm * 9700mm as raw material, this round bar is carried out modified heat treatment after, more straight to round bar.Then round bar is carried out depth drill, get out required through hole, rough turn, its cylindrical of finish turning subsequently, last car goes out required screw thread, obtain No. 5 final oil integrally-weighted drilling rod products (φ 174mm * φ 70mm * 9700mm, heavy 727kg), namely use existing conventional method to make the required raw material 1830kg of No. 5 oil integrally-weighted drilling rods, No. 5 oil integrally-weighted drilling rods of finished product weight is 727kg, spillage of material 1103kg.
Can draw, No. 5 oil integrally-weighted drilling rods that use the inventive method manufacturing to obtain prop up than existing conventional method saving raw material 860kg/, press 6500 yuan of calculating of steel per ton, 5590 yuan of every escapable costs.
Use existing conventional method to make the oil integrally-weighted drilling rod, because the raw material that use are thick solid bars, the machining amount of boring and turning is very large, according to practical experience, be equipped with 4 depth drills such as factory, 6 cylindrical lathes can be produced at most 450 of heavy weight drill pipes per month, compare with the output of method manufacturing with above-mentioned use present device, can enhance productivity 6.6 times.
Although above the present invention is described in detail with general explanation and the specific embodiment, on basis of the present invention, can to some modifications of do and improvement, this will be apparent to those skilled in the art.Therefore, these modifications and the improvement made without departing from theon the basis of the spirit of the present invention all belong to the scope of protection of present invention.
Claims (10)
1. the manufacture method of an oil integrally-weighted drilling rod, it is characterized in that, at first select materials in the tube to forge raw material as the oil integrally-weighted drilling rod, use forging equipment that tube upset is thickeied, then by after the modified heat treatment, right boring materials in the tube endoporus and fine turning outer circle, last car goes out required screw thread, obtains the oil integrally-weighted drilling rod.
2. manufacture method as claimed in claim 2 is characterized in that, after choosing described materials in the tube, pipe end is carried out heat treated, re-uses forging equipment tube upset is thickeied.
3. implement the manufacturing equipment of the oil integrally-weighted drilling rod of claim 1 or 2 described methods, it is characterized in that, this equipment comprises the horizontal hydraulic unit, be provided with the die unit that adds locking oil cylinder, extrusion oil cylinder, clamping device and restriction mother tube pipe end shape on the horizontal hydraulic unit fuselage, add the master slider that is provided with longitudinal sliding motion on the locking oil cylinder, mother tube is installed in the clamping device, and the master slider longitudinal sliding motion compresses clamping device mother tube is fixed; Be provided with the side slide of horizontal slip on the extrusion oil cylinder, be provided with the extruding punch to the horizontal jumping-up thickening of the pipe end of mother tube on the side slide.
4. manufacturing equipment as claimed in claim 3 is characterized in that, described clamping device comprises clamping device and lower fixture, and wherein, upper clamping device is arranged on the described master slider, and lower fixture is arranged on fuselage corresponding to clamping device below.
5. manufacturing equipment as claimed in claim 4, it is characterized in that, described die unit comprises first die and second die, first die is arranged on the described master slider, second die is arranged on fuselage corresponding to first die below, and first die and second die are corresponding to the pipe end of described mother tube.
6. manufacturing equipment as claimed in claim 3, it is characterized in that, described locking oil cylinder and the described extrusion oil cylinder centralized Control of adding, be provided with manual and automatic two kinds of control device, described locking oil cylinder and the described extrusion oil cylinder of adding is provided with and decides journey and two kinds of setting devices of level pressure, describedly adds locking oil cylinder and described extrusion oil cylinder is provided with fast and control device at a slow speed.
7. manufacturing equipment as claimed in claim 4 is characterized in that, becomes to hollow out column structure after described upper clamping device and the supporting closure of described lower fixture, and body diameter is determined by forging the materials in the tube external diameter.
8. manufacturing equipment as claimed in claim 5 is characterized in that, becomes to hollow out column structure after described first die and the supporting closure of described second die, and body diameter requires to determine by forging; Described extruding punch nose circle column diameter is determined by the hammer welded pipe blanking aperture.
9. manufacturing equipment as claimed in claim 5 is characterized in that, described first die, described second die and described extruding punch consist of stamp forging mould and be used in combination, and stamp forging mould forms, size and shape requires to determine or replace by forging.
10. manufacturing equipment as claimed in claim 5, it is characterized in that, described mother tube is placed on the lower fixture, start the described locking oil cylinder that adds, described upper clamping device and first die move, the closed mother tube that clamps of described upper clamping device and lower fixture starts extrusion oil cylinder, and described extruding punch extruding end upsetting is shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102552473A CN103302461A (en) | 2013-06-25 | 2013-06-25 | Manufacturing method and manufacturing equipment of integral petroleum heavy weight drill pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102552473A CN103302461A (en) | 2013-06-25 | 2013-06-25 | Manufacturing method and manufacturing equipment of integral petroleum heavy weight drill pipe |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452492A (en) * | 2013-09-24 | 2013-12-18 | 上海海隆石油管材研究所 | Forming method of drill pipe high station structure for rapid raising and dropping drill and drill pipe |
| CN104097035A (en) * | 2014-07-03 | 2014-10-15 | 南通永大管业股份有限公司 | Multi-pass thickening molding integrated heavy weight drill pipe manufacturing method |
| CN104959504A (en) * | 2015-07-21 | 2015-10-07 | 河南龙腾新型钻具制造有限公司 | Forging technology of integrated triangular drilling rod |
| CN105562852A (en) * | 2016-01-13 | 2016-05-11 | 成都优拓优联科技有限公司 | Processing process for inner barrel for petroleum drilling |
| CN107214479A (en) * | 2017-07-19 | 2017-09-29 | 无锡双马钻探工具有限公司 | A kind of heavy weight drill pipe manufacturing process |
| CN113118353A (en) * | 2021-04-21 | 2021-07-16 | 西安交通大学 | Surface-strengthened inner-step shaft inner hole precision forming process |
| WO2022142760A1 (en) * | 2020-12-30 | 2022-07-07 | 天津钢管制造有限公司 | Method for improving dimensional precision of ends of deep-sea steel catenary riser |
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| US4674171A (en) * | 1984-04-20 | 1987-06-23 | Lor, Inc. | Heavy wall drill pipe and method of manufacture of heavy wall drill pipe |
| CN101614112A (en) * | 2009-07-30 | 2009-12-30 | 南通文凤化纤有限公司 | Integrally-weighted drilling rod and production and processing method thereof |
| CN201596737U (en) * | 2009-10-30 | 2010-10-06 | 郑州市地幔科技有限公司 | Frame type hydraulic press for producing integrated heavy weight drill pipes and kelly bars |
| CN102059511A (en) * | 2009-11-13 | 2011-05-18 | 中原特钢股份有限公司 | Production process of integral kelly stem |
| CN203356946U (en) * | 2013-06-25 | 2013-12-25 | 陈靖忠 | Manufacturing device of petroleum overall heavy weight drill pipe |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4674171A (en) * | 1984-04-20 | 1987-06-23 | Lor, Inc. | Heavy wall drill pipe and method of manufacture of heavy wall drill pipe |
| CN101614112A (en) * | 2009-07-30 | 2009-12-30 | 南通文凤化纤有限公司 | Integrally-weighted drilling rod and production and processing method thereof |
| CN201596737U (en) * | 2009-10-30 | 2010-10-06 | 郑州市地幔科技有限公司 | Frame type hydraulic press for producing integrated heavy weight drill pipes and kelly bars |
| CN102059511A (en) * | 2009-11-13 | 2011-05-18 | 中原特钢股份有限公司 | Production process of integral kelly stem |
| CN203356946U (en) * | 2013-06-25 | 2013-12-25 | 陈靖忠 | Manufacturing device of petroleum overall heavy weight drill pipe |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452492A (en) * | 2013-09-24 | 2013-12-18 | 上海海隆石油管材研究所 | Forming method of drill pipe high station structure for rapid raising and dropping drill and drill pipe |
| CN103452492B (en) * | 2013-09-24 | 2016-06-15 | 上海海隆石油管材研究所 | A kind of forming method and drilling rod of the high station structure of drilling rod that makes a trip fast |
| CN104097035A (en) * | 2014-07-03 | 2014-10-15 | 南通永大管业股份有限公司 | Multi-pass thickening molding integrated heavy weight drill pipe manufacturing method |
| CN104959504A (en) * | 2015-07-21 | 2015-10-07 | 河南龙腾新型钻具制造有限公司 | Forging technology of integrated triangular drilling rod |
| CN105562852A (en) * | 2016-01-13 | 2016-05-11 | 成都优拓优联科技有限公司 | Processing process for inner barrel for petroleum drilling |
| CN107214479A (en) * | 2017-07-19 | 2017-09-29 | 无锡双马钻探工具有限公司 | A kind of heavy weight drill pipe manufacturing process |
| CN107214479B (en) * | 2017-07-19 | 2019-10-11 | 无锡双马钻探工具有限公司 | A kind of heavy weight drill pipe manufacturing process |
| WO2022142760A1 (en) * | 2020-12-30 | 2022-07-07 | 天津钢管制造有限公司 | Method for improving dimensional precision of ends of deep-sea steel catenary riser |
| CN113118353A (en) * | 2021-04-21 | 2021-07-16 | 西安交通大学 | Surface-strengthened inner-step shaft inner hole precision forming process |
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Application publication date: 20130918 |