CN1923443A - Oil well casing pipe repairing method and numerical control repairing machine tool - Google Patents
Oil well casing pipe repairing method and numerical control repairing machine tool Download PDFInfo
- Publication number
- CN1923443A CN1923443A CN 200510094082 CN200510094082A CN1923443A CN 1923443 A CN1923443 A CN 1923443A CN 200510094082 CN200510094082 CN 200510094082 CN 200510094082 A CN200510094082 A CN 200510094082A CN 1923443 A CN1923443 A CN 1923443A
- Authority
- CN
- China
- Prior art keywords
- numerical control
- oil well
- backing plate
- machine tool
- feed mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims abstract description 5
- 238000009418 renovation Methods 0.000 claims description 22
- 238000011084 recovery Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 11
- 230000008439 repair process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Turning (AREA)
Abstract
The invention discloses an oil well casing repairing method and a numerical control machine tool, and belongs to the technical field of field maintenance of oil field facilities. The machine tool utilizes a numerical control program to respectively control three motors to drive three motions of Z-direction feeding, X-direction feeding and Z-direction rotating, and the position and the coaxiality of the machine tool are adjusted through a base plate and a clamping mechanism, so that a sleeve is clamped and processed. The machine tool is used for repairing damaged parts of oil well casings on site, firstly removing mud accumulated on a well mouth, putting a base plate, hoisting the machine tool, aligning the position by using a magnetic dial indicator, clamping and fixing, then setting a numerical control program according to requirements, and starting a motor to cut off and chamfer the casings, and machining and repairing outer circular surfaces, conical surfaces and various types of casing threads. Compared with the existing welding method, the method for repairing the sleeve has the advantages of remarkable progress, wide applicability and high processing precision, eliminates potential safety hazards caused by open fire or high temperature, avoids the deformation of the sleeve, and is convenient for repeated replacement in the future.
Description
Technical field
The present invention relates to a kind of restorative procedure of field maintenance method, especially oil well casing of field facility, also relate to the numerical control renovation machine that is used for this restorative procedure.
Background technology
In oil recovery process, the opening part on the close ground of oil well casing is owing to etch and other reason of oxidation and rainwater are often damaged easily.Cause oil well not use.This situation occurs, the method for in the past taking has two kinds: the one, the oil well landfill is scrapped too early, and can cause very big waste like this; The 2nd, adopt hand-held abrasive machine that broken parts is cut, welded the mouth of pipe more again, repair.Though a kind of method in back economizes on resources, simple, naked light and high temperature can appear in on-the-spot welding, and is very dangerous, can cause casing deformation again, reduces precision and intensity effect result of use service life.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of safe and reliable, ensure the quality of products, economic and practical oil well sleeve tube renovation method, a kind of numerical control renovation machine that is used for this method is provided simultaneously.
Technical scheme of the present invention is: oil well sleeve tube renovation method is to utilize numerical control renovation machine, in oil wells in field, the sleeve pipe opening part that damages is cut machining with casing threads, to be connected with casing threads again through the finishing or the mouth of pipe of changing then, to satisfy instructions for use, the concrete operations step is as follows:
(1) deposition on every side of cleaning oil well casing is basseted the sleeve pipe opening part, and compacting ground, removes the pipeline head;
(2) place the adjustment backing plate, utilize its locating hole and outer tube Primary Location, and tentatively adjust level;
(3) lifting lathe is placed on lathe on the adjustment backing plate, and oil well casing penetrates the lathe vertical through hole, and fixes the oil recovery bar in the sleeve pipe;
(4) under the crane booster action, adjust machine tool position, make the lathe cutter saddle rotation centerline coaxial with the sleeve pipe center line, then with the clamp mechanism gripping sleeve on the lathe base, screw the supporting screw of adjusting on the backing plate, withdraw crane at last, and lock all supporting screws;
(5) by on-the-spot processing request, the Z that configures lathe cutter saddle to motion, X to motion and Z to the numerical control program that rotatablely moves, control the start and stop and the rotating speed of three motors respectively by this program, drive the motion of knife rest and cutter head, realize reparation processing to sleeve pipe;
(6) unclamp anchor clamps, hang the telephone-moving bed, take the adjustment backing plate away, install opening part, reach instructions for use.
In the said method, after the lathe lifting tentatively puts in place, the dial gauge that will have magnet stand is adsorbed on the knife rest, dial gauge gage outfit contact sleeve inside pipe wall, rotating turret, and adjust the clamp of different directions in the clamp mechanism and the supporting screw on the adjustment backing plate respectively, with the axiality of school toolsetting frame rotation centerline and sleeve pipe center line; When the dial gauge reading that rotates a circle changes when being no more than 0.1mm, lock the supporting screw on clamp mechanism and the backing plate immediately.
Be exclusively used in the numerical control renovation machine of said method, mainly by base, column, base-mounted clamp mechanism, being located at the machined part of column one side and the electric control part that is located in the column inner chamber is grouped into, base and machined partly have the vertical through hole of coaxial line, there is the adjustment backing plate base below, described machined comprises that partly the Z that links to each other with column is to feed mechanism, with the Z main spindle box that is provided with gear driving pair that vertical guide rail links to each other in feed mechanism and the X that links to each other with main shaft eyeball end to feed mechanism, X is provided with the knife rest of clamping cutter head in feed mechanism, described automatically controlled part respectively with main spindle box, Z is to being connected with three motors of X in feed mechanism, wherein be the rotation electric installation with X to the jockey of feed mechanism motor, described column is provided with the counter weight device of main spindle box.
Described clamp mechanism is circumferential three groups of uniform spiral clamp mechanism; Described Z contains the rectangular guideway and the ball screw assembly, parallel with guide rail that is fixed in column one side in feed mechanism; Described X is provided with the facing head that is fixed in the main shaft lower end in feed mechanism, described knife rest is located at the X that slides on the facing head guide rail on planker; X links to each other with ball screw assembly, and synchronous pulley driving mechanism to planker; Described adjustment backing plate is provided with supporting screw, and rest pad is arranged at the supporting screw top, and both contact positions are sphere, and locking nut is arranged at the supporting screw bottom.
Adopt numerical control renovation machine of the present invention that oil well casing is repaired, have following remarkable advantage:
1, can on-the-spot carry out the processing of cut-out, chamfering, periphery, the conical surface and various types of casing threads of oil well casing, wide adaptability, repairs convenient, fast, the employing Numeric Control Technology, simple to operate, the machining accuracy height;
2, machining can not produce naked light, and restriction high temperature had both been eliminated the potential safety hazard in the maintenance, avoids sleeve pipe to produce distortion again, can ensure the quality of products;
3, the sleeve pipe mouth of pipe screw thread after repairing processes on former sleeve pipe, and bonding strength is good, and the rigidity height can prolong sleeve pipe service life, improves economic and practical.
Description of drawings
Fig. 1 is numerical control renovation machine structural representation of the present invention (removing two groups of clamp mechanism);
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1.
The specific embodiment
In conjunction with the accompanying drawings, further specify the preferred version of numerical control renovation machine: there is the backing plate 1 of adjustment the below of base 4, and the backing plate periphery is provided with supporting screw 2, and there is rest pad 3 on its top, and both contact positions are sphere.Base is provided with column 18 and clamp mechanism 5, and this clamp mechanism is circumferential three groups of uniform separate spiral clamp mechanism, and its front end has clamp 6.The machined part that is arranged on column one side is made up of to feed mechanism to feed mechanism, main spindle box 12, X Z.Main motor 15, reductor 14 are arranged on the main spindle box, and column is provided with the main spindle box counter weight device that is made of steel wire rope 16, pulley and weight, places travelling gear in the main spindle box.Main spindle box planker 13 Z in feed mechanism servomotor 21 and the driving lower edge rectangular guideway 11 of ball-screw 22 do elevating movement.The facing head 9 of X in feed mechanism is fixed in main shaft 10 lower ends of stretching out main spindle box, the tool rest carriage 8 that knife rest 7 is housed is along the guide rail horizontal slip on the facing head, the one side dress servomotor 19 of facing head, opposite side dress drives the ball screw assembly, 20 of tool rest carriage, between motor and the ball screw assembly, by synchronous cog belt and belt wheel transmission.There is the vertical through hole of coaxial line the middle part of main shaft, facing head and base.Three motors are connected with the automatically controlled part 17 that is located at the column inner chamber respectively, and wherein motor 19 links to each other with the electric control part branch by the annulus that is located at the main shaft upper end, the rotation electric installation that carbon brush constitutes.
Adopt above-mentioned numerical control renovation machine, oil well casing is carried out field repair, embodiment is described below:
1, deposition around the cleaning oil well casing is basseted the sleeve pipe opening part, and compacting ground, removes the pipeline head;
2, place the adjustment backing plate, utilize its locating hole and outer tube Primary Location, and tentatively adjust level;
3, adopt supporting suspender lifting lathe, lathe is placed on adjusts on the backing plate, oil well casing penetrates the lathe vertical through hole, and fixes the oil recovery bar in the sleeve pipe;
4, the dial gauge with the carrying magnetic dial framework is adsorbed on the knife rest, dial gauge gage outfit contact sleeve tube wall, slow rotating turret, simultaneously under the crane booster action, adjust respectively manually three groups of spiral clamp mechanism and adjust supporting screw on the backing plate,, lock clamp mechanism immediately, screw the supporting screw on the backing plate when the dial gauge reading that rotates a circle changes when being no more than 0.1mm, withdraw crane again, and lock all supporting screws;
5, by on-the-spot processing request, the Z that configures lathe cutter saddle to motion, X to motion and Z to the numerical control program that rotatablely moves, import automatically controlled part; Start lathe then, start and stop and rotating speed by three motors of numerical control program control drive the motion of knife rest and cutter head, realize the reparation processing to sleeve pipe;
(6) unclamp anchor clamps, hang the telephone-moving bed, take the adjustment backing plate away, install opening part, arrangement ground reaches instructions for use.
Claims (9)
1, a kind of oil well sleeve tube renovation method, it is characterized in that utilizing numerical control renovation machine, in oil wells in field, the sleeve pipe opening part that damages is cut machining with casing threads, to be connected with casing threads again through the finishing or the mouth of pipe of changing then, to satisfy instructions for use, the concrete operations step is as follows:
(1) deposition on every side of cleaning oil well casing is basseted the sleeve pipe opening part, and compacting ground, removes the pipeline head;
(2) place the adjustment backing plate, utilize its locating hole and outer tube Primary Location, and tentatively adjust level;
(3) lifting lathe is placed on lathe on the adjustment backing plate, and oil well casing penetrates the lathe vertical through hole, and fixes the oil recovery bar in the sleeve pipe;
(4) under the crane booster action, adjust machine tool position, make the lathe cutter saddle rotation centerline coaxial with the sleeve pipe center line, then with the clamp mechanism gripping sleeve on the lathe base, screw the supporting screw of adjusting on the backing plate, withdraw crane at last, and lock all supporting screws;
(5) by on-the-spot processing request, the Z that configures lathe cutter saddle to motion, X to motion and Z to the numerical control program that rotatablely moves, control the start and stop and the rotating speed of three motors respectively by this program, drive the motion of knife rest and cutter head, realize reparation processing to sleeve pipe;
(6) unclamp anchor clamps, hang the telephone-moving bed, take the adjustment backing plate away, install opening part, reach instructions for use.
2, by the described oil well sleeve tube renovation method of claim 1, it is characterized in that the dial gauge that will have magnet stand is adsorbed on the knife rest, dial gauge gage outfit contact sleeve tube wall, rotating turret, and adjust the clamp of different directions in the clamp mechanism and the supporting screw on the adjustment backing plate respectively, with the axiality of school toolsetting frame rotation centerline and sleeve pipe center line.
3, by the described oil well sleeve tube renovation method of claim 2, it is characterized in that rotating a circle the reading variation when being no more than 0.1mm when dial gauge, lock the supporting screw on clamp mechanism and the backing plate immediately.
4, a kind of numerical control renovation machine that is used for the described method of claim 1, it is characterized in that mainly by base, column, base-mounted clamp mechanism, being located at the machined part of column one side and the electric control part that is located in the column inner chamber is grouped into, base and machined partly have the vertical through hole of coaxial line, there is the adjustment backing plate base below, described machined comprises that partly the Z that links to each other with column is to feed mechanism, with the Z main spindle box that is provided with gear driving pair that vertical guide rail links to each other in feed mechanism and the X that links to each other with the main shaft lower end to feed mechanism, X is provided with the knife rest of clamping cutter head in feed mechanism, described automatically controlled part respectively with main spindle box, Z is to being connected with three motors of X in feed mechanism, wherein be the rotation electric installation with X to the jockey of feed mechanism motor, described column is provided with the counter weight device of main spindle box.
5,, it is characterized in that described clamp mechanism is circumferential three groups of uniform spiral clamp mechanism by the described numerical control renovation machine of claim 4.
6, by the described numerical control renovation machine of claim 4, it is characterized in that described Z contains the rectangular guideway and the ball screw assembly, parallel with guide rail that is fixed in column one side in feed mechanism.
7, by the described numerical control renovation machine of claim 4, it is characterized in that described X is provided with the facing head that is fixed in the main shaft lower end in feed mechanism, described knife rest is located at the X that slides on the facing head guide rail on planker.
8, by the described numerical control renovation machine of claim 7, it is characterized in that X links to each other with ball screw assembly, and synchronous pulley driving mechanism to planker.
9, by the described numerical control renovation machine of claim 4, it is characterized in that described adjustment backing plate is provided with supporting screw, there is rest pad on the supporting screw top, and both contact positions are sphere, and locking nut is arranged at the supporting screw bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510094082 CN1923443A (en) | 2005-08-29 | 2005-08-29 | Oil well casing pipe repairing method and numerical control repairing machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510094082 CN1923443A (en) | 2005-08-29 | 2005-08-29 | Oil well casing pipe repairing method and numerical control repairing machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1923443A true CN1923443A (en) | 2007-03-07 |
Family
ID=37816361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510094082 Pending CN1923443A (en) | 2005-08-29 | 2005-08-29 | Oil well casing pipe repairing method and numerical control repairing machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1923443A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079033A (en) * | 2010-12-17 | 2011-06-01 | 武汉华中数控股份有限公司 | Digitized thread repairing method |
| CN102335897A (en) * | 2010-07-16 | 2012-02-01 | 安东石油技术（集团）有限公司 | Modularized prying device for repairing pipe threads and manufacturing method thereof |
| CN103028890A (en) * | 2012-12-27 | 2013-04-10 | 宁夏新瑞长城机床有限公司 | Automatic drill pipe thread repair method |
| CN104942525A (en) * | 2015-07-17 | 2015-09-30 | 武汉开明高新科技有限公司 | Ultra-large copper nut remanufacturing technology |
| CN106766931A (en) * | 2017-02-07 | 2017-05-31 | 四川华索自动化信息工程有限公司 | A kind of anode carbon baking stove fire well head restorative procedure and its fix tool |
| CN110549069A (en) * | 2019-07-15 | 2019-12-10 | 中国南方航空股份有限公司 | Method for repairing damage of anti-icing pipeline of engine air inlet |
| CN110860901A (en) * | 2019-11-29 | 2020-03-06 | 燕山大学 | Wheel tread damage repairing device for induction heating friction stir welding and roll forming |
| CN112705914A (en) * | 2020-12-21 | 2021-04-27 | 昆山市镁富康精密自动化设备有限公司 | Machining method of guide rail |
| CN115070474A (en) * | 2022-07-19 | 2022-09-20 | 台州天宇工贸股份有限公司 | Cutting and chamfering machine integrated machine for machining engine shell |
-
2005
- 2005-08-29 CN CN 200510094082 patent/CN1923443A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335897A (en) * | 2010-07-16 | 2012-02-01 | 安东石油技术（集团）有限公司 | Modularized prying device for repairing pipe threads and manufacturing method thereof |
| CN102335897B (en) * | 2010-07-16 | 2013-12-25 | 安东石油技术（集团）有限公司 | Modularized prying device for repairing pipe threads and manufacturing method thereof |
| CN102079033A (en) * | 2010-12-17 | 2011-06-01 | 武汉华中数控股份有限公司 | Digitized thread repairing method |
| CN102079033B (en) * | 2010-12-17 | 2013-05-08 | 武汉华中数控股份有限公司 | Digitized thread repairing method |
| CN103028890A (en) * | 2012-12-27 | 2013-04-10 | 宁夏新瑞长城机床有限公司 | Automatic drill pipe thread repair method |
| CN104942525A (en) * | 2015-07-17 | 2015-09-30 | 武汉开明高新科技有限公司 | Ultra-large copper nut remanufacturing technology |
| CN106766931A (en) * | 2017-02-07 | 2017-05-31 | 四川华索自动化信息工程有限公司 | A kind of anode carbon baking stove fire well head restorative procedure and its fix tool |
| CN110549069A (en) * | 2019-07-15 | 2019-12-10 | 中国南方航空股份有限公司 | Method for repairing damage of anti-icing pipeline of engine air inlet |
| CN110549069B (en) * | 2019-07-15 | 2022-04-05 | 中国南方航空股份有限公司 | Method for repairing damage of anti-icing pipeline of engine air inlet |
| CN110860901A (en) * | 2019-11-29 | 2020-03-06 | 燕山大学 | Wheel tread damage repairing device for induction heating friction stir welding and roll forming |
| CN110860901B (en) * | 2019-11-29 | 2021-12-28 | 燕山大学 | Wheel tread damage repairing device for induction heating friction stir welding and roll forming |
| CN112705914A (en) * | 2020-12-21 | 2021-04-27 | 昆山市镁富康精密自动化设备有限公司 | Machining method of guide rail |
| CN115070474A (en) * | 2022-07-19 | 2022-09-20 | 台州天宇工贸股份有限公司 | Cutting and chamfering machine integrated machine for machining engine shell |
| CN115070474B (en) * | 2022-07-19 | 2023-09-12 | 台州天宇工贸股份有限公司 | Cutting and chamfering machine integrated machine for machining engine shell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1923443A (en) | Oil well casing pipe repairing method and numerical control repairing machine tool | |
| CN103072063B (en) | Excircle abrasive belt grinding method of wall thickness of tube | |
| CN201792117U (en) | Automatic rotary welding device | |
| CN104440221B (en) | Rotary apparatus fixed by a kind of workpiece | |
| CN102756280A (en) | Elbow port cutting grinding machine | |
| CN105619086A (en) | Steel pipe cutting grinding machine | |
| CN210306772U (en) | Three-axis machine tool machining inclined hole automatic clamp | |
| CN102744787B (en) | Column base and column cap cutting machine controlled by computer | |
| CN203092300U (en) | Tubular product wall thickness excircle abrasive belt sharpening machine tool | |
| CN114406728A (en) | Intelligent horizontal numerical control machine tool | |
| CN215470405U (en) | Aluminum alloy extrusion side pipe inner wall burnishing device | |
| CN206065800U (en) | A kind of gear inlays prosthetic device | |
| CN204700677U (en) | A kind of cylinder stone grinder equipment | |
| CN211219921U (en) | Combined positioning fixture | |
| CN210953578U (en) | Grinding device for metallographic specimen | |
| CN205342438U (en) | Air compressor machine pump cover processing equipment | |
| CN108188412A (en) | The method of multi-line cutting machine roller fluting | |
| CN219234808U (en) | Chamfering equipment for metal pipe | |
| CN202130215U (en) | Numerical control cylinder engraving machine | |
| CN202087838U (en) | Machining lathe for bottom surface of bearing | |
| CN211331401U (en) | Pipeline drilling machine | |
| CN212823663U (en) | Welding machine for small-sized roller | |
| CN2841208Y (en) | Apparatus for milling and cutting large work-piece | |
| CN212122870U (en) | Quick change device of machine tool fixture and grinding head | |
| CN203599597U (en) | Mechanical processing equipment of through curved surface of aluminum round pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |