CN104612616A - Testing method and device for simulating spinning ball shaper to repair deformed casing - Google Patents
Testing method and device for simulating spinning ball shaper to repair deformed casing Download PDFInfo
- Publication number
- CN104612616A CN104612616A CN201510002872.6A CN201510002872A CN104612616A CN 104612616 A CN104612616 A CN 104612616A CN 201510002872 A CN201510002872 A CN 201510002872A CN 104612616 A CN104612616 A CN 104612616A
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- casing
- ball shaper
- shaper
- spinning
- ball
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- 238000009987 spinning Methods 0.000 title claims abstract description 68
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 230000008439 repair process Effects 0.000 title claims abstract description 16
- 238000007493 shaping process Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims description 16
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 12
- 238000009418 renovation Methods 0.000 claims description 10
- 238000010998 test method Methods 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 239000003345 natural gas Substances 0.000 abstract 1
- 239000003209 petroleum derivative Substances 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/10—Reconditioning of well casings, e.g. straightening
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a testing method and device for simulating a spinning ball shaper to repair a deformed casing. The method and device are characterized in that a clamping device is adopted for fixing the deformed casing, continuous rotation pliers drive a special spline to rotate and apply torque and axial tension, one end of the special spline is connected with the spinning ball shaper through a pin, the other end of the special spline is connected with a plunger of a hydraulic cylinder through a taper thrust bearing, the hydraulic cylinder acts axial thrust to the spinning ball shaper through the plunger and the special spline, the spinning ball shaper conducts forward/backward rotation and axial reciprocating motion at the same time under the effects of the torque, the axial thrust and the axial tension, and then the purpose that the spinning ball shaper shapes and repairs the deformed casing is achieved. In the shaping and repairing processes, shaping force and torque needed for repairing the casing and tension needed for the spinning ball shaper to retreat are recorded by a control system of the testing device. The testing method and device are suitable for the technical field of petroleum and natural gas downhole deformed casing repair.
Description
Technical field
The present invention relates to deformed casing recovery technique field, oil and gas down-hole, specifically a kind of method of testing and device of simulating spinning reshaper reparation deformed casing.
Background technology
Sleeve pipe is requisite instrument in oil and gas recovery process, plays the key effect supporting the borehole wall and set up gas channel in recovery process.But many oil gas fields are after production a period of time, and because of the impact of the factors such as geology, engineering and corrosion, casing failure in various degree occurs many Oil/gas Wells, thus seriously have impact on oil gas field safety or normally produce.The principal mode of casing failure is the cross section ovalize of sleeve pipe necking down distortion and casing deformation section.In order to recover the normal production of oil gas field, scientific workers have developed many reshaping and renovation tools for the reparation of necking down deformed casing, as: impact rolling-ball shaper, impact pyriform tube expander, spinning rolling-ball shaper etc., propose corresponding recovery technique, by comparing discovery, spinning ball shaping technique is a kind of high-quality, efficient recovery technique, its main cause is: spinning rolling-ball shaper is repaired deformed casing by the ball on its body under the synergy of moment of torsion and axial force, under external load function, can rotation be there is in ball, also can revolve round the sun, thus the resistance making this shaping tool be subject in repair process is very little, required axial force (being called for short shaping power) and moment of torsion all very little, minimum to the damage of cement sheath and sleeve pipe, this shaping tool single shaping amount is 4-6mm, and impact reshaping device single shaping amount is only 2-3mm.
But, current spinning ball Plastic renovation technology does not consider the impact of actual formation confined pressure on deformed casing Plastic renovation, lack the Accurate Prediction to putting forward axial tension needed for shaping tool on after spinning rolling-ball shaper To Axial Force Needed, moment of torsion and shaping, thus cause a large amount of problems, be embodied in: shaping power and moment of torsion is too small makes shaping tool not by deformed casing, cause shaping failure, reduce shaping efficiency; Shaping power is drunk moment of torsion and is crossed ambassador's shaping tool and be forced through deformed casing, and after causing shaping, upper lift power exceedes the maximum load of power-equipment and lock of tool drilling occurs, the destruction of Oil Well Cement Loop, even sleeve pipe generation secondary plastic failure.
In order to overcome existing spinning rolling-ball shaper when repairing casing operation, shaping efficiency is low, lock of tool drilling, major injury cement sheath and sleeve pipe easily occur, deficiency that operating cost increases, need according to concrete strata condition to different spinning rolling-ball shaper repair shaping power needed for corresponding deformation sleeve pipe, moment of torsion and on the axial tension carried needed for instrument carry out Accurate Prediction.Therefore, propose a kind of method of testing and device of simulating spinning reshaper reparation deformed casing, casing repair technology is further developed and has a very big significance.
Summary of the invention
The object of the present invention is to provide a kind of method of testing and device of simulating spinning reshaper reparation deformed casing, with solve current spinning ball shaping tool repair shaping power needed for the deformed casing under the Different Strata degree of depth and different confined pressure, moment of torsion and on carry the technical barrier that axial tension needed for instrument is difficult to Accurate Prediction, and while achieving the above object, simplify the complexity of test macro, reduce the cost of equipment.
For achieving the above object, the present invention by the following technical solutions:
Adopt a clamping device fixed deformation sleeve pipe, move special spline by continuous rotation clamping band rotate and apply moment of torsion and axial tension, special spline one end is connected with spinning rolling-ball shaper by pin, the special spline other end is connected with the plunger of fluid cylinder by taper thrustbearing, end thrust is acted on spinning rolling-ball shaper by plunger and special spline by fluid cylinder, spinning ball shaping tool is at moment of torsion, there is positive/negative rotation and axial reciprocating moves under the effect of end thrust and axial tension simultaneously, thus realize spinning ball shaping tool carries out Plastic renovation object to deformed casing, in Plastic renovation process, by the shaping power needed for the control system record repairing casing of testing arrangement, moment of torsion and the axial tension exited needed for this reshaper.
For using said method, the invention provides a kind of testing arrangement of simulating spinning rolling-ball shaper reparation deformed casing, mainly comprise: sleeve pipe sample holding device, fixture, casing deformation section, spinning rolling-ball shaper, pin, special spline, continuous rotation pincers, taper thrustbearing, plunger, fluid cylinder, base.Sleeve pipe sample holding device is positioned at the left side of base, and is fixed by deformed casing; Fixture is used for applying the confined pressure equal with strata pressure to casing deformation section; The continuous rotation clamper that can move horizontally vertically is in the middle part of base and be connected with control system, provides moment of torsion and axial tension for giving special spline; Special spline is connected with the plunger of fluid cylinder by taper thrustbearing, and end thrust is acted on spinning rolling-ball shaper by plunger and special spline by the fluid cylinder being positioned at right side.Based on structure and the feature of said apparatus, can complete by following steps the simulation test that spinning rolling-ball shaper repairs deformed casing:
(1) under the end thrust provided at fluid cylinder and continuous rotation clamp the positive-torque effect provided, spinning rolling-ball shaper forward moves and rotates and carries out Plastic renovation to deformed casing, in repair process, shaping power, the moment of torsion needed for control system record repairing casing of testing arrangement, until spinning rolling-ball shaper is completely by the deformation section of deformed casing;
(2) under the effect clamping reaction torque and the axial tension provided at continuous rotation, spinning rolling-ball shaper oppositely moves and rotates and exit deformed casing, exit in the process of deformed casing at spinning rolling-ball shaper, the control system record of testing arrangement exits the axial tension needed for instrument, until spinning rolling-ball shaper exits the deformation section of deformed casing completely.
(3) step (1) and step (2) is repeated, until shaping power, moment of torsion, axial tension that control system records equal 0 substantially, now, the minimum diameter of casing deformation section equals the maximum outside diameter of spinning rolling-ball shaper substantially, and whole recovery test completes.
In the whole repair process of deformed casing (i.e. spinning rolling-ball shaper in deformed casing in reciprocating movement), the shoulder of special spline left end guarantees that special spline does not depart from continuous rotation pincers all the time, thus positive-torque and end thrust or reaction torque and axial tension are acted on spinning rolling-ball shaper always simultaneously, realize the recovery test of deformed casing.
The present invention has the following advantages:
(1) testing arrangement provided by the invention can simultaneously for spinning ball shaping tool provides moment of torsion and end thrust or moment of torsion and axial tension, can be used for simulating the process that deformed casing under Different Strata confined pressure repaired by this instrument, and the pulling force obtaining shaping power, moment of torsion needed for repairing casing and exit needed for instrument, thus provide reliably construction parameter for the casing repairing under real working condition;
(2) apparatus structure is simple, and easy to operate, test value is cheap, and later maintenance maintenance easily.
Accompanying drawing explanation
Fig. 1 is testing arrangement schematic diagram.
Fig. 2 is spinning shaping tool and special spline joint schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, describe the present invention.
Adopt a clamping device fixed deformation sleeve pipe, move special spline by continuous rotation clamping band rotate and apply moment of torsion and axial tension, special spline one end is connected with spinning rolling-ball shaper by pin, the special spline other end is connected with the plunger of fluid cylinder by taper thrustbearing, end thrust is acted on spinning rolling-ball shaper by plunger and special spline by fluid cylinder, spinning rolling-ball shaper is at moment of torsion, there is positive/negative rotation and axial reciprocating moves under the effect of end thrust and axial tension simultaneously, thus realize spinning rolling-ball shaper carries out Plastic renovation object to deformed casing, in Plastic renovation process, by the shaping power needed for the control system record repairing casing of testing arrangement, moment of torsion and the pulling force exited needed for this reshaper.
As shown in Figure 1, for using said method, the invention provides a kind of testing arrangement of simulating spinning rolling-ball shaper reparation deformed casing, mainly comprise: sleeve pipe sample holding device 2, fixture 3, casing deformation section 4, spinning rolling-ball shaper 5, pin 6, special spline 7, continuous rotation pincers 8, taper thrustbearing 9, plunger 10, fluid cylinder 11, base 12.Sleeve pipe sample holding device 2 is positioned at the left side of base 12, and is fixed by deformed casing 1; Fixture 3 applies the confined pressure equal with strata pressure for giving casing deformation section 4; The continuous rotation pincers 8 that can move horizontally vertically to be positioned in the middle part of base 12 and to be connected with control system, for providing moment of torsion and axial tension to special spline 7; Special spline 7 is connected with the plunger 10 of fluid cylinder 11 by taper thrustbearing 9, and end thrust is acted on spinning rolling-ball shaper 5 by plunger 10 and special spline 7 by the fluid cylinder 11 being positioned at right side.Based on structure and the feature of said apparatus, can complete by following steps the simulation test that spinning rolling-ball shaper 5 repairs deformed casing 1:
(1) under fluid cylinder 11 provides end thrust and continuous rotation pincers 8 provide the synergy of positive-torque, spinning rolling-ball shaper 5 forward moves and rotates and enter deformed casing 1 and carries out Plastic renovation to it, in repair process, shaping power, the moment of torsion needed for control system record repairing casing of testing arrangement, until spinning rolling-ball shaper 5 is completely by casing deformation section 4;
(2) under the synergy of the continuous rotation reaction torques that provide of pincers 8 and axial tension, spinning rolling-ball shaper 5 oppositely moves and rotates and exit deformed casing 1, exit in the process of deformed casing 1 at spinning rolling-ball shaper 5, the control system record of testing arrangement exits the axial tension needed for spinning rolling-ball shaper 5, until spinning rolling-ball shaper 5 exits casing deformation section 4 completely.
(3) step (1) and step (2) is repeated, until shaping power, moment of torsion, pulling force that control system records equal 0 substantially, now, the minimum diameter of casing deformation section 4 equals the maximum outside diameter of spinning rolling-ball shaper 5 substantially, and whole recovery test completes.
In the whole recovery test process of deformed casing 1 (i.e. spinning rolling-ball shaper 5 in deformed casing 1 in reciprocating movement), the shoulder 13 of special spline 7 left end guarantees that special spline 7 does not depart from continuous rotation pincers 8 all the time, thus positive-torque and end thrust or reaction torque and axial tension are acted on spinning rolling-ball shaper 5 always simultaneously, realize the recovery test of deformed casing 1.
Claims (3)
1. simulate the testing arrangement that spinning rolling-ball shaper repairs deformed casing for one kind, it is characterized in that, device mainly comprises: sleeve pipe sample holding device (2), fixture (3), casing deformation section (4), spinning rolling-ball shaper (5), pin (6), special spline (7), continuous rotation pincers (8), taper thrustbearing (9), plunger (10), fluid cylinder (11), base (12); Sleeve pipe sample holding device (2) is positioned at the left side of base (12), and is fixed by deformed casing (1); Fixture (3) applies the confined pressure equal with strata pressure for giving casing deformation section (4); Continuous rotation pincers (8) that can move horizontally vertically is positioned at base (12) middle part and is connected with control system, provides moment of torsion and axial tension for giving special spline (7); Special spline (7) is connected with the plunger (10) of fluid cylinder (11) by taper thrustbearing (9), and end thrust is acted on spinning rolling-ball shaper (5) by plunger (10) and special spline (7) by the fluid cylinder (11) being positioned at right side.
2. testing arrangement according to claim 1, a kind of method of testing simulating spinning rolling-ball shaper reparation deformed casing, is characterized in that:
Step 1: under fluid cylinder (11) provides end thrust and continuous rotation pincers (8) provides the synergy of positive-torque, spinning rolling-ball shaper (5) forward moves and rotates and enter deformed casing (1) and carries out Plastic renovation to it, in repair process, shaping power, the moment of torsion needed for control system record repairing casing of testing arrangement, until spinning rolling-ball shaper (5) is completely by casing deformation section (4);
Step 2: under the synergy of continuous rotation pincers (8) reaction torque that provides and axial tension, spinning rolling-ball shaper (5) oppositely moves and rotates and exit deformed casing (1), exit in the process of deformed casing (1) at spinning rolling-ball shaper (5), the control system record of testing arrangement exits the axial tension needed for spinning rolling-ball shaper (5), until spinning rolling-ball shaper (5) exits casing deformation section (4) completely;
Step 3: repeat step 1 and step 2, until shaping power, moment of torsion, pulling force that control system records equal 0 substantially, now, the minimum diameter of casing deformation section (4) equals the maximum outside diameter of spinning rolling-ball shaper (5) substantially, and whole recovery test completes.
3. simulation spinning rolling-ball shaper according to claim 2 repairs the testing arrangement of deformed casing, it is characterized in that: spinning rolling-ball shaper (5) is in deformed casing (1) in reciprocating movement, the shoulder (13) of special spline (7) left end guarantees that special spline (7) does not depart from continuous rotation pincers (8) all the time, thus positive-torque and end thrust or reaction torque and axial tension are acted on spinning rolling-ball shaper (5) always simultaneously, realize the recovery test of deformed casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002872.6A CN104612616A (en) | 2015-01-05 | 2015-01-05 | Testing method and device for simulating spinning ball shaper to repair deformed casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002872.6A CN104612616A (en) | 2015-01-05 | 2015-01-05 | Testing method and device for simulating spinning ball shaper to repair deformed casing |
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|---|---|
| CN104612616A true CN104612616A (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510002872.6A Pending CN104612616A (en) | 2015-01-05 | 2015-01-05 | Testing method and device for simulating spinning ball shaper to repair deformed casing |
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| Country | Link |
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| CN (1) | CN104612616A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985931A (en) * | 2019-05-08 | 2019-07-09 | 牛占龙 | Pipe-dredging obturator |
| CN110253965A (en) * | 2019-07-12 | 2019-09-20 | 长沙晚报利德印务有限公司 | A kind of efficiently production roll web core Deformation Repair device and method |
| CN111751216A (en) * | 2019-03-29 | 2020-10-09 | 中国石油天然气股份有限公司 | Casing damage simulation experiment device |
| CN116624117A (en) * | 2023-07-19 | 2023-08-22 | 西南石油大学 | Self-control radial circulation type oil-gas well casing shaping tool and method |
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| CN2617493Y (en) * | 2003-05-24 | 2004-05-26 | 杨铁军 | Multi-stage ball style pipe expander |
| CN2639515Y (en) * | 2003-06-27 | 2004-09-08 | 大港油田集团有限责任公司 | Casing shaper |
| RU2360098C1 (en) * | 2008-02-28 | 2009-06-27 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Facility for expanding pipes in well |
| CN102261229A (en) * | 2011-08-04 | 2011-11-30 | 西南石油大学 | Thread making method and device simulating slim-hole fishing tool |
| CN103015976A (en) * | 2013-01-16 | 2013-04-03 | 西南石油大学 | Test method for simulating restoration of deformation sleeve under stratum confining pressure |
-
2015
- 2015-01-05 CN CN201510002872.6A patent/CN104612616A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2617493Y (en) * | 2003-05-24 | 2004-05-26 | 杨铁军 | Multi-stage ball style pipe expander |
| CN2639515Y (en) * | 2003-06-27 | 2004-09-08 | 大港油田集团有限责任公司 | Casing shaper |
| RU2360098C1 (en) * | 2008-02-28 | 2009-06-27 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Facility for expanding pipes in well |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751216A (en) * | 2019-03-29 | 2020-10-09 | 中国石油天然气股份有限公司 | Casing damage simulation experiment device |
| CN109985931A (en) * | 2019-05-08 | 2019-07-09 | 牛占龙 | Pipe-dredging obturator |
| CN110253965A (en) * | 2019-07-12 | 2019-09-20 | 长沙晚报利德印务有限公司 | A kind of efficiently production roll web core Deformation Repair device and method |
| CN110253965B (en) * | 2019-07-12 | 2024-05-14 | 长沙晚报利德印务有限公司 | Web core deformation repairing device and method for efficient production |
| CN116624117A (en) * | 2023-07-19 | 2023-08-22 | 西南石油大学 | Self-control radial circulation type oil-gas well casing shaping tool and method |
| CN116624117B (en) * | 2023-07-19 | 2023-09-26 | 西南石油大学 | Self-control radial circulation type oil-gas well casing shaping tool and method |
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Application publication date: 20150513 |
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