CN103573190A - Kelly-bar connection buckling device - Google Patents
Kelly-bar connection buckling device Download PDFInfo
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- CN103573190A CN103573190A CN201310546735.XA CN201310546735A CN103573190A CN 103573190 A CN103573190 A CN 103573190A CN 201310546735 A CN201310546735 A CN 201310546735A CN 103573190 A CN103573190 A CN 103573190A
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- mechanical arm
- rod
- arm
- fork
- abduction
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- 238000005553 drilling Methods 0.000 claims abstract description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000005484 gravity Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 239000003208 petroleum Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 241000269793 Cryothenia peninsulae Species 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention relates to the technical field of petroleum drilling equipment and provides a kelly-bar connection buckling device. The kelly-bar connection buckling device comprises an installation base and a device pedestal which is fixed to the instillation base, the installation base is fixed to a derrick, a bent supporting frame is hinged to the device pedestal through a supporting foot, a first supporting arm bent forwards is arranged at the top end of the supporting frame, a bent swing rod is hinged to the supporting frame, and a second supporting arm bent in the opposite direction of the first supporting arm is arranged at the top end of the swing rod. A second supporting foot protruding backwards is further arranged on the installation base, a rear connection rod is hinged between the top end of the second supporting foot and the top end of the second supporting arm, a three-fold bent rod is hinged to the lower end of the swing rod, a front connection rod is hinged to the tail end of the first supporting arm, and the lower end of the front connection rod is hinged to the first fold point of the bent rod. A swing rod oil cylinder is connected between the supporting frame and the swing rod, a mechanical arm is connected to the position, close to the second fold point of the bent rod, of a bent arm, the mechanical arm is connected with a mechanical hand and a swing oil cylinder, the mechanical hand is used for grabbing a drill pipe, and the swing oil cylinder is used for regulating the mechanical hand leftwards and rightwards so that the mechanical hand can be aligned to a right position to grab the drill pipe.
Description
Technical field
The present invention relates to oil-well drilling equipment technical field, particularly a kind of kelly bar makes up a joint to buckle device.
Background technology
In Process of Oil Well Drilling, increase along with drilling depth, need constantly jointed rod, meet the requirement that drilling depth increases,, after having bored a drilling rod, kelly bar need to be proposed to well head, and kelly bar is moved to and deposits the mouse hole position for the treatment of stacks from pithead position, complete kelly bar and treat that with mouse hole the make-up of stacks is connected, and then the drilling rod proposing in mouse hole is connected with well mouth drill, this process is called the drilling well operation that makes up a joint.While making up a joint at present operation, all by light instruments such as cleeks by constructor, the kelly bar push-and-pull of well head is carried out to make-up to mouse hole position, because the weight of kelly bar and suspension system is large, drilling floor surface mud is wet and slippery, kelly bar swings the factors such as inertia is large, therefore, during constructor's push-and-pull kelly bar, exist labour intensity large, the problems such as potential safety hazard is many, inefficiency are even often that a make-up is inaccurate, recur to kelly bar, again carry out make-up, thereby cause the significantly swing of kelly bar, tool joint is produced and clashed into and damage.
Summary of the invention
The present invention is directed to the problem that prior art exists, provide a kind of kelly bar to make up a joint to buckle device, utilize hydraulic-driven, mechanical action quickly and accurately kelly bar to be moved to the top that mouse hole is treated stacks, and be connected the rapid operation that makes to make up a joint, safety, efficient, reliable with its accurate make-up.
The object of the present invention is achieved like this, a kind of kelly bar makes up a joint to buckle device, comprise the mounting base fixing with derrick and be fixed on the device pedestal on mounting base, on described device pedestal, by leg one, be hinged with folding shape bracing frame, support frame as described above top is provided with the support arm one of folding forward, on support frame as described above, be hingedly connected with folding shape fork, described fork top is provided with support arm one and is folded to contrary support arm two, in described mounting seat, be also provided with the leg two of expenditure backward, between described leg two tops and the top of support arm two, be hingedly connected with back link, the lower end of described fork is hingedly connected with three folding abduction rods, the end of described support arm one front rod that is articulated and connected, the lower end of described front rod is connected with the first fold of abduction rod is point articulated, support frame as described above, support arm two, back link and leg two form rear end swing-bar mechanism, described fork, support arm one, front rod and abduction rod form front end parallel-crank mechanism, between support frame as described above and fork, be connected with fork oil cylinder, on the folding arm of the second break of close described abduction rod, be connected with mechanical arm, on described mechanical arm, be connected with for capturing the manipulator of drilling rod and capturing for left and right adjusting manipulator the oscillating oil cylinder that drilling rod aims the place.
In device of the present invention, the rear end swing-bar mechanism that bracing frame, support arm two, back link and leg two form is equivalent to one and take the quadrangle fork that leg one is fulcrum, the front end parallel-crank mechanism that fork, support arm one, front rod and abduction rod form is equivalent to a swing arm to swing around above-mentioned quadrangle fork, and the bracing frame that folding shape is contrary and fork interweave respectively and form the member of rear end swing-bar mechanism and front end parallel-crank mechanism.During work, to fork oil cylinder fuel feeding, its piston rod is extended, the swing mechanism that device just consists of rear end swing-bar mechanism and front end parallel-crank mechanism stretches out forward, simultaneously, abduction rod is rotated with the swing of front end parallel-crank mechanism, driving mechanical arm moves forward and grasps kelly bar by manipulator and moved to mouse hole position by well head, carrying out accurate make-up is connected with drilling tool, and by the contracting of oscillating oil cylinder, stretch action and realize manipulator and grasp moving left and right of kelly bar, carry out the left and right fine setting for the treatment of stacks make-up position in kelly bar and mouse hole, thereby finally realizing the kelly bar make-up that makes up a joint connects.Then the reverse fuel feeding of fork oil cylinder, device is just retracted to armed state by the counter motion of rear end swing-bar mechanism and front end parallel-crank mechanism.Therefore, kelly bar of the present invention makes up a joint to buckle device, rational in infrastructure, design ingenious, simple to operate, laborsaving, move safe and reliablely, by the expanding-contracting action of hydraulic cylinder, can realize the single make-up of accurate drilling rod connecting and connect, greatly reduce constructor's labour intensity and increase work efficiency.
For the stability of intensifier, support frame as described above and front rod are provided with respectively two groups side by side, and described fork is articulated and connected between two bracing frames, and described abduction rod is hinged to be arranged between two front rods, and described mechanical arm is articulated with abduction rod front end.
For making mechanical arm having stable behavior, described mechanical arm is when plumbness, the center of gravity of the hinging pin shaft axis deviation mechanical arm of described mechanical arm and abduction rod, one side of the corresponding mechanical arm of described fork is provided with for pushing tow mechanical arm and makes mechanical arm keep the top of balance, in described abduction rod, be fixedly connected with dented spring leaf, the end of described dented spring leaf resilient abutment mechanical arm is used for helping and rushes mechanical arm and rotate to impact around hinging pin shaft, on described mechanical arm, be also provided with spacing bearing pin, described spacing bearing pin two ends stretch out mechanical arm outer and when two external parts of spacing bearing pin described in mechanical arm is during in horizontal service position and the edge at abduction rod knuckle place against with maintenance mechanical arm in level.The mechanical arm linkage of this structure, when whole device shrinks mechanical arm in plumbness, the effect of mechanical arm by hinging pin shaft and top stable in plumbness, when whole device stretches out forward under the promotion of fork oil cylinder, top slowly separates with mechanical arm, mechanical arm rotates forward around hinging pin shaft under gravity and eccentric effect, in this process, the end of dented spring leaf resilient abutment mechanical arm, buffer mechanism arm rotates vibration and the impact producing, and stop mechanical arm to promote to make progress and overturn when kelly bar moves ahead, spacing bearing pin can guarantee to keep horizontal operation state after mechanical arm deflection, thereby realize the operating stably of mechanical arm.
Fixed installation for the derrick panel of implement device and different size, described mounting base downside is provided with lower platen, between described lower platen and mounting base, connect derrick panel and be strained and fixed by some double threaded screws, described mounting base stretches out the lateral outer end upside fixed connection apparatus base of derrick panel, the position that double threaded screw is installed on the device pedestal of described derrick panel inner side and the external part of lower platen is respectively equipped with long waist shaped hole, the perpendicular end surface of the external part of described device pedestal and lower platen is provided with the adjusting screw that is through to long waist shaped hole wall, in described adjusting screw, be provided with adjusting bolt.Mounting base fixed structure of the present invention, be arranged on the derrick panel of rig floor winch side upper end, first with double threaded screw, lower platen, mounting base and derrick panel are fixedly mounted, on mounting base and lower platen, there is long waist shaped hole, by adjusting the screw-in depth of adjusting bolt, can meet the installation requirement of the derrick panel of different size, the make-up device pedestal that then kelly bar made up a joint is fixedly realized whole device being fixedly connected with at well head by bolt and mounting base.It is extension type structure that while kelly bar of the present invention makes up a joint to the mounting base of buckle device, device install after in derrick panel outside, not with derrick member in a plane, therefore can not interfere with the member of derrick upside when installing and working, meet installation and the instructions for use of any derrick geometry.
Other structure bar when further preventing device action and on derrick interferes, and described back link is the folding shape of folding forward, and described front rod is the folding shape of folding backward.This structure can make whole apparatus structure compacter, for other member on derrick is abdicated more space, interferes preventing in the course of work with other member.
Accompanying drawing explanation
Fig. 1 is the structural representation that kelly bar of the present invention makes up a joint to buckle device duty.
Fig. 2 is kelly bar of the present invention standby schematic diagram when buckle device is regained that makes up a joint.
Fig. 3 is that Fig. 1 is at the partial enlarged drawing at I place.
Fig. 4 is the scheme of installation of mounting base and derrick panel.
Fig. 5 is the structural representation of mechanical arm.
Wherein, 1 lower platen; 2 mounting bases; 3 derrick panels; 4 legs two; 5 back links; 6 bracing frames; 61 support arms one; 7 fork oil cylinders; 8 forks; 81 support arms two; 9 device pedestals; 10 legs one; 11 front rods; 12 tops; 13 abduction rods; 14 mechanical arms; 15 oscillating oil cylinders; 16 manipulators; 17 hinging pin shafts; 18 spacing bearing pins; 19 dented spring leaves; 20 adjusting bolts; 21 double threaded screws.
The specific embodiment
For kelly bar of the present invention, make up a joint to buckle device as Figure 1-Figure 5, comprise mounting base 2 and be fixed on the device pedestal 9 on mounting base 2, fixed installation for the derrick panel 3 of implement device and different size, mounting base 2 downsides are provided with lower platen 1, between lower platen 1 and mounting base 2, connect derrick panel 3 and be strained and fixed by some double threaded screws 21, mounting base 2 stretches out the lateral outer end upside fixed connection apparatus base 9 of derrick panel 3, the position that double threaded screw 21 is installed on the device pedestal 9 of derrick panel 3 inner sides and the external part of lower platen 1 is respectively equipped with long waist shaped hole, the perpendicular end surface of the external part of device pedestal 9 and lower platen 1 is provided with the adjusting screw that is through to long waist shaped hole wall, regulate in screw and be provided with adjusting bolt 20, on device pedestal 9, by leg 1, be hinged with folding shape bracing frame 6, bracing frame 6 tops are provided with the support arm 1 of folding forward, on bracing frame 6, be hingedly connected with folding shape fork 8, fork 8 tops are provided with support arm 1 and are folded to contrary support arm 2 81, on device pedestal 9, be also provided with the leg 24 of expenditure backward, between leg 24 tops and the top of support arm 2 81, be hingedly connected with back link 5, the lower end of fork 8 is hingedly connected with three folding abduction rods 13, the end of support arm 1 front rod 11 that is articulated and connected, the point articulated connection of first fold of the lower end of front rod 11 and abduction rod 13, bracing frame 6, support arm 2 81, back link 5 and leg 24 form rear end swing-bar mechanism, fork 8, support arm 1, front rod 11 and abduction rod 13 form front end parallel-crank mechanism, between bracing frame 6 and fork 8, be connected with fork oil cylinder 7, on the folding arm of the second break of close abduction rod 13, be connected with mechanical arm 14, on mechanical arm 14, be connected with for capturing the manipulator 16 of drilling rod and capturing for left and right adjusting manipulator 16 oscillating oil cylinder 15 that drilling rod aims the place.
Stability for stiffening device, bracing frame and front rod are provided with respectively two groups side by side, and during connection, fork 8 knuckle places, upper end are articulated and connected between the knuckle of two bracing frame 6 upper ends by bearing pin, abduction rod 13 is hinged to be arranged between two front rods 11, and mechanical arm 14 is articulated with abduction rod 13 front ends.
For making mechanical arm 14 having stable behaviors, mechanical arm 14 is when plumbness, the center of gravity of the hinging pin shaft 17 axis deviation mechanical arms 14 of mechanical arm 14 and abduction rod 13, one side of the corresponding mechanical arm 14 of fork 8 is provided with the top 12 that makes mechanical arm 14 keep balance for pushing tow mechanical arm 14, in abduction rod 13, be also fixedly connected with dented spring leaf 19, the end of dented spring leaf 19 resilient abutment mechanical arms 14 is used for helping and rushes mechanical arm 14 and rotate and impact around hinging pin shaft 17, on mechanical arm 14, be also provided with spacing bearing pin 18, spacing bearing pin 18 two ends stretch out mechanical arm 14 outer and when the edge at mechanical arm 14 two external parts of spacing bearing pin 18 and knuckle place of abduction rod 13 during in horizontal service position against with maintenance mechanical arm in level.
Device of the present invention is installed, first with double threaded screw 21, lower platen 1, mounting base 2 and derrick panel 3 are fixedly mounted, by adjusting the horizontal screw-in depth in screw-in long waist shaped hole of adjusting bolt 20, the derrick panel of different specification size 3 can be fixedly connected with, then the make-up device pedestal 9 that kelly bar made up a joint is fixedly realized whole device being fixedly connected with of well head by bolt and mounting base 2, then connects oil cylinder hydraulic pipeline and complete installation.During work, to fork oil cylinder 15 fuel feeding, its piston rod is extended, the swing mechanism that device just consists of rear end swing-bar mechanism and front end parallel-crank mechanism stretches out forward, now, mechanical arm 14 ends slowly depart from the thrusting action of top 12, under the effect of gravity in abduction rod 13 around hinging pin shaft 17 deflection forward voluntarily, mechanical arm 14 afterbodys after deflection and dented spring leaf 19 resilient abutment, deflection speed with buffer mechanism arm 14, until mechanical arm 14 is horizontal, manipulator 16 is caught to reach kelly bar and promote kelly bar and is travelled forward, dented spring leaf 19 can also stop mechanical arm 14 to promote to make progress and overturn when kelly bar moves ahead, simultaneously, when the knuckle edge of mechanical arm 14 spacing bearing pin 18 and abduction rod 13 during in horizontal service position against with keep mechanical arm 14 under the effect of kelly bar reaction force in level, along with protracting of mechanical arm 14, by the manipulator 16 of front end, promoting kelly bars moves to mouse hole by pithead position and treats stacks position, simultaneously, by the contracting of oscillating oil cylinder 15, stretching action realizes manipulator 16 and grasps moving left and right of kelly bar and carry out accurate make-up and be connected with drilling tool, finally realizing the kelly bar make-up that makes up a joint connects.After make-up finishes, the reverse fuel feeding of fork oil cylinder 7, the device just counter motion by rear end swing-bar mechanism and front end parallel-crank mechanism is retracted to armed state, meanwhile, mechanical arm 14 withdrawal in plumbness under the push-jump effect of top 12.Kelly bar of the present invention makes up a joint to buckle device, rational in infrastructure, design ingeniously, simple to operate, laborsaving, move safe and reliable, by the expanding-contracting action of hydraulic cylinder, can realize the single make-up of accurate drilling rod connecting and connect, greatly reduce constructor's labour intensity and increase work efficiency.
The present invention is not limited to above-described embodiment; every on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some replacements and distortion to some technical characterictics wherein, these replacements and distortion are all in the scope of protection of the invention.
Claims (5)
1. a kelly bar makes up a joint to buckle device, comprise the mounting base fixing with derrick and be fixed on the device pedestal on mounting base, it is characterized in that, on described device pedestal, by leg one, be hinged with folding shape bracing frame, support frame as described above top is provided with the support arm one of folding forward, on support frame as described above, be hingedly connected with folding shape fork, described fork top is provided with support arm one and is folded to contrary support arm two, in described mounting seat, be also provided with the leg two of expenditure backward, between described leg two tops and the top of support arm two, be hingedly connected with back link, the lower end of described fork is hingedly connected with three folding abduction rods, the end of described support arm one front rod that is articulated and connected, the lower end of described front rod is connected with the first fold of abduction rod is point articulated, support frame as described above, support arm two, back link and leg two form rear end swing-bar mechanism, described fork, support arm one, front rod and abduction rod form front end parallel-crank mechanism, between support frame as described above and fork, be connected with fork oil cylinder, on the folding arm of the second break of close described abduction rod, be connected with mechanical arm, on described mechanical arm, be connected with for capturing the manipulator of drilling rod and capturing for left and right adjusting manipulator the oscillating oil cylinder that drilling rod aims the place.
2. kelly bar according to claim 1 makes up a joint to buckle device, it is characterized in that, support frame as described above and front rod are provided with respectively two groups side by side, and described fork is articulated and connected between two bracing frames, described abduction rod is hinged to be arranged between two front rods, and described mechanical arm is articulated with abduction rod front end.
3. kelly bar according to claim 2 makes up a joint to buckle device, it is characterized in that, described mechanical arm is when plumbness, the center of gravity of the hinging pin shaft axis deviation mechanical arm of described mechanical arm and abduction rod, one side of the corresponding mechanical arm of described fork is provided with for pushing tow mechanical arm and makes mechanical arm keep the top of balance, in described abduction rod, be also fixedly connected with dented spring leaf, the end of described dented spring leaf resilient abutment mechanical arm is used for helping and rushes mechanical arm and rotate to impact around hinging pin shaft, on described mechanical arm, be also provided with spacing bearing pin, described spacing bearing pin two ends stretch out mechanical arm outer and when two external parts of spacing bearing pin described in mechanical arm is during in horizontal service position and the edge, knuckle place of abduction rod against with maintenance mechanical arm in level.
4. kelly bar according to claim 2 makes up a joint to buckle device, it is characterized in that, described mounting base downside is provided with lower platen, between described lower platen and mounting base, connect derrick panel and be strained and fixed by some double threaded screws, described mounting base stretches out the lateral outer end upside fixed connection apparatus base of derrick panel, the position that double threaded screw is installed on the device pedestal of described derrick panel inner side and the external part of lower platen is respectively equipped with long waist shaped hole, the perpendicular end surface of described device pedestal and lower platen external part is provided with the adjusting screw that is through to long waist shaped hole wall, in described adjusting screw, be provided with adjusting bolt.
5. kelly bar according to claim 2 makes up a joint to buckle device, it is characterized in that, described back link is the folding shape of folding forward, and described front rod is the folding shape of folding backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310546735.XA CN103573190B (en) | 2013-11-07 | 2013-11-07 | A kind of kelly bar makes up a joint to buckle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310546735.XA CN103573190B (en) | 2013-11-07 | 2013-11-07 | A kind of kelly bar makes up a joint to buckle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103573190A true CN103573190A (en) | 2014-02-12 |
| CN103573190B CN103573190B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310546735.XA Active CN103573190B (en) | 2013-11-07 | 2013-11-07 | A kind of kelly bar makes up a joint to buckle device |
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| CN (1) | CN103573190B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895134A (en) * | 2015-05-18 | 2015-09-09 | 长沙亚工工程机械有限公司 | Novel drilling rod gripper |
| CN105350918A (en) * | 2015-11-24 | 2016-02-24 | 岳文智 | Mechanical arm of rock drill |
| CN112983313A (en) * | 2021-05-10 | 2021-06-18 | 胜利油田胜机石油装备有限公司 | Oil field well repairing operation equipment |
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| US3703968A (en) * | 1971-09-20 | 1972-11-28 | Us Navy | Linear linkage manipulator arm |
| SU1050863A1 (en) * | 1980-01-18 | 1983-10-30 | Ленинградский Институт Авиационного Приборостроения | Manipulator |
| CN201381948Y (en) * | 2009-03-20 | 2010-01-13 | 江阴远景能源科技有限公司 | Generator adjusting bracket for MW wind turbine generator system |
| CN102434117A (en) * | 2011-11-28 | 2012-05-02 | 吉林大学 | Drill rod assembling and disassembling mechanical arm of myriameter well drill |
| CN103032038A (en) * | 2013-01-04 | 2013-04-10 | 张成功 | Operation robot for drilling platform |
| CN203022657U (en) * | 2012-12-31 | 2013-06-26 | 伍新生 | Device for rapidly connecting single drill pipe by drilling platform |
| CN103334706A (en) * | 2013-07-11 | 2013-10-02 | 济南金力液压机械有限公司 | Drill pipe racking mechanical arm |
| CN203547572U (en) * | 2013-11-07 | 2014-04-16 | 扬州诚创石油机械有限公司 | Counter buckling device for connecting kelly bar with single drilling pipe |
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2013
- 2013-11-07 CN CN201310546735.XA patent/CN103573190B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3703968A (en) * | 1971-09-20 | 1972-11-28 | Us Navy | Linear linkage manipulator arm |
| SU1050863A1 (en) * | 1980-01-18 | 1983-10-30 | Ленинградский Институт Авиационного Приборостроения | Manipulator |
| CN201381948Y (en) * | 2009-03-20 | 2010-01-13 | 江阴远景能源科技有限公司 | Generator adjusting bracket for MW wind turbine generator system |
| CN102434117A (en) * | 2011-11-28 | 2012-05-02 | 吉林大学 | Drill rod assembling and disassembling mechanical arm of myriameter well drill |
| CN203022657U (en) * | 2012-12-31 | 2013-06-26 | 伍新生 | Device for rapidly connecting single drill pipe by drilling platform |
| CN103032038A (en) * | 2013-01-04 | 2013-04-10 | 张成功 | Operation robot for drilling platform |
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| CN203547572U (en) * | 2013-11-07 | 2014-04-16 | 扬州诚创石油机械有限公司 | Counter buckling device for connecting kelly bar with single drilling pipe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895134A (en) * | 2015-05-18 | 2015-09-09 | 长沙亚工工程机械有限公司 | Novel drilling rod gripper |
| CN104895134B (en) * | 2015-05-18 | 2017-11-14 | 长沙新气象自动化技术有限公司 | A kind of Novel drilling grabs bar device |
| CN105350918A (en) * | 2015-11-24 | 2016-02-24 | 岳文智 | Mechanical arm of rock drill |
| CN112983313A (en) * | 2021-05-10 | 2021-06-18 | 胜利油田胜机石油装备有限公司 | Oil field well repairing operation equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103573190B (en) | 2015-08-05 |
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Address after: 225000 Fang Tong Road, Weiyang Economic Development Zone, Hanjiang District, Yangzhou, Jiangsu Patentee after: JIANGSU CHENG CHUANG INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 225000 Fang Tong Road, Weiyang Economic Development Zone, Hanjiang District, Yangzhou, Jiangsu Patentee before: YANGZHOU CHENGCHUANG PETROLEUM MACHINERY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A single butt joint device for Kelly Effective date of registration: 20211027 Granted publication date: 20150805 Pledgee: Bank of China Limited by Share Ltd. Yangzhou Weiyang branch Pledgor: JIANGSU CHENG CHUANG INTELLIGENT EQUIPMENT Co.,Ltd. Registration number: Y2021980011414 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221101 Granted publication date: 20150805 Pledgee: Bank of China Limited by Share Ltd. Yangzhou Weiyang branch Pledgor: JIANGSU CHENG CHUANG INTELLIGENT EQUIPMENT Co.,Ltd. Registration number: Y2021980011414 |
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Denomination of invention: One kind of kelly connecting single pair Effective date of registration: 20221108 Granted publication date: 20150805 Pledgee: Bank of China Limited by Share Ltd. Yangzhou Weiyang branch Pledgor: JIANGSU CHENG CHUANG INTELLIGENT EQUIPMENT Co.,Ltd. Registration number: Y2022980021055 |