CN110939390B - Connecting slip mechanism of top drive casing running device convenient to replace - Google Patents
Connecting slip mechanism of top drive casing running device convenient to replace Download PDFInfo
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- CN110939390B CN110939390B CN201911332714.1A CN201911332714A CN110939390B CN 110939390 B CN110939390 B CN 110939390B CN 201911332714 A CN201911332714 A CN 201911332714A CN 110939390 B CN110939390 B CN 110939390B
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- sleeve
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- top drive
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- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 4
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 13
- 239000000725 suspension Substances 0.000 description 7
- 238000005553 drilling Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000010985 leather Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of petroleum machinery, in particular to a slip connecting mechanism of a top drive casing running device convenient to replace, which comprises a slip, a cam pin and a slip outer cylinder, wherein the upper end of the slip outer cylinder is fixedly connected with an upper connecting component through threads, the lower end of the slip outer cylinder is provided with a guide block, one side of the guide block is provided with a cam groove, the cam pin is arranged in the slip outer cylinder, the slip is arranged among the guide block, the cam pin and the cam groove through a fixed key, and the lower end of the slip outer cylinder is provided with an end shell. The invention adopts a new slip connecting mode, the slip is simple in installation mode, the slip is not fixedly connected with the slip outer cylinder, the structure of the slip inner cylinder in the prior art is simplified, the problem that the slip is convenient and fast to replace on site to adapt to casings of different specifications can be solved, the slip replacing time is effectively shortened, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of petroleum machinery, in particular to a connecting slip mechanism of a top drive casing running device convenient to replace.
Background
The top driving casing running device is a petroleum device which integrates mechanical and hydraulic technologies and utilizes a top driving drilling device to run casing. The upper end of the top drive casing running device is connected with a top drive main shaft, and the top drive device can accurately control the screwing torque, the transmission rotation and the lifting load of the casing during casing running operation to complete screwing and casing lifting actions. The device adopts the sealed sleeve pipe of formula leather cup of proclaiming oneself, can circulate drilling fluid when the operation of lower casing pipe to reduce or avoid the emergence of complicated accident.
The connecting slip in the top drive casing pipe lowering device is mainly used for clamping a casing pipe, but the connecting slip mechanism in the prior art has the following defects; the slips are difficult to replace on site by adopting a mode that the slip inner cylinder is connected with the slips; thereby reducing the work efficiency.
Disclosure of Invention
The invention aims to provide a connecting slip mechanism of a top drive casing running device, which is convenient to replace.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a top drive casing pipe device's connection slips mechanism convenient to change, includes slips, cam pin and slips urceolus, the upper end of slips urceolus is through screw thread and upper portion coupling assembling fixed connection, the lower extreme of slips urceolus is equipped with the guide block, one side of guide block is equipped with the cam groove, the cam pin sets up in the slips urceolus, the slips passes through the fixed key setting between guide block, cam pin and cam groove, the lower extreme of slips urceolus is equipped with the end shell.
Further, a cam groove stop is arranged in the cam groove.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts a new slip connecting mode, the slip is simple in installation mode, the slip is not fixedly connected with the slip outer cylinder, the structure of the slip inner cylinder in the prior art is simplified, the problem that the slip is convenient and fast to replace on site to adapt to casings of different specifications can be solved, the slip replacing time is effectively shortened, and the working efficiency is improved.
Drawings
FIG. 1 is a partial cross-sectional view of a mechanical external truck top drive casing running apparatus;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 5 is a cross-sectional view taken along line D-D of FIG. 1;
FIG. 6 is a cross-sectional view taken along line E-E of FIG. 5;
FIG. 7 is a cross-sectional view taken along line F-F of FIG. 1;
FIG. 8 is a cross-sectional view taken along line G-G of FIG. 1;
FIG. 9 is a cross-sectional view taken along line H-H of FIG. 1;
FIG. 10 is a partial first elevational view of the mechanical outer top drive casing running apparatus;
FIG. 11 is a second partial front view of the mechanical outer top drive casing running apparatus;
FIG. 12 is an enlarged view taken at I in FIG. 11;
FIG. 13 is a partial top view of the mechanical outer top drive casing assembly.
The reference numbers in the figures are: the device comprises a top drive mechanism 1, an upper connecting component 11, an upper joint 111, a push disc 112, a drive sleeve 113, a retaining sleeve 114, an upper clutch 115, an upper barrel 116, an opening retaining ring 117, an upper cam sleeve 118, a lower clutch 121, an upper mandrel retaining sleeve 122, a lower barrel 123, a lower cam sleeve 124, a multi-segment upper push sleeve 125, an upper mandrel 126, a lower mandrel 127, a lower push sleeve 128, a guide wheel 129, a guide component 13, a sealing leather cup 131, a guide cone 132, a connecting slip mechanism 2, a slip 21, a cam pin 22, a cam groove stopper 23, a slip outer barrel 24, a guide block 25, an end shell 26, a single suspension ring assembly 3, a suspension ring 31, a suspension ring mandrel 32, a suspension ring support 33, an electric cylinder 34, a single suspension clamp 35, a suspension ring adjusting rod 36, a suspension clamp connecting seat 37, a shackle 38, an anti-rotation and displacement compensation mechanism 4, an anti-rotation component 41, an upper bracket 411, a clamping seat 412, a pressing plate 413, a width jackscrew 414 and a fixing frame 415, thickness top thread 416, top drive back-up tong 417, displacement compensation assembly 42, guide rail 421, roller frame 422, roller mandrel 423, roller 424, leaf spring 5, connecting hole 6 and lead-in ring 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 13, a mechanical external clamping top driving casing running device comprises a top driving mechanism 1, a connecting slip mechanism 2, a single lifting ring assembly 3 and an anti-rotation and displacement compensation mechanism 4, wherein the connecting slip mechanism 2 is arranged in the middle of the top driving mechanism 1, the single lifting ring assembly 3 is arranged outside the top driving mechanism 1, the anti-rotation and displacement compensation mechanism 4 is arranged in the middle of the single lifting ring assembly 3, the top driving mechanism 1 comprises an upper connecting component 11, a lower connecting component and a guide component 13, the lower connecting component is arranged at the lower end of the upper connecting component 11, and the guide component 13 is arranged at the lower end of the lower connecting component; when the invention is used, the casing running operation is completed through the matching work of the top drive mechanism 1, the connecting slip mechanism 2 and the single lifting ring assembly 3, the displacement compensation during the casing screwing is realized through the arrangement of the anti-rotation and displacement compensation mechanism 4, the resistance during screwing is reduced, the structure arrangement of the connecting slip 21 is convenient for replacing the casing, the single lifting ring assembly 3 is configured, and the guide component 13 is matched, so that the lower part of the invention is easy to align when being inserted into the casing, and the operation efficiency is improved; in addition, when the present invention is used, the top drive is arranged at the upper end of the top drive mechanism 1, and the top drive is the prior art and is used for driving the present invention to work, and details are not repeated herein.
Specifically, upper portion coupling assembling 11 includes top connection 111, push disk 112, driving sleeve 113, spacer sleeve 114, goes up clutch 115, goes up barrel 116, opening retaining ring 117 and upper cam cover 118, top connection 111 is connected with push disk 112 through parallel key and lock nut, top connection 111 is connected with driving sleeve 113 through the spline, top connection 111 is connected with lower part coupling assembling through spline and opening retaining ring 117, and driving sleeve 113 is connected with last barrel 116 through last clutch 115, driving sleeve 113 is connected with upper cam cover 118 through the spline, and last clutch 115 links to each other with last barrel 116 through spline and spacer sleeve 114.
Specifically, a leaf spring 5 is arranged at the joint of the upper clutch 115 and the upper cylinder 116.
Specifically, the lower connecting assembly includes a lower clutch 121, an upper spindle collar 122, a lower cylinder 123, a lower cam collar 124, a multi-lobe push-up collar 125, an upper spindle 126, a lower spindle 127 and a lower push-down collar 128, the upper end of the lower cylinder 123 is connected with the upper cylinder 116 through a screw thread, the upper joint 111 is connected with the lower clutch 121 through a spline and an opening collar 117, the lower cam collar 124 is connected with the upper cam collar 118 through a screw thread and the lower cam collar 124 is connected with the lower cylinder 123 through a spline, the multi-lobe push-up collar 125 is disposed on the outer wall of the lower cylinder 123 and is in sliding fit with the lower cylinder, the lower cylinder 123 is connected with the upper spindle 126 through a screw thread, the upper joint 111 is in sliding and rotating fit with the upper spindle 126, the lower cam collar 124 is fitted with the upper spindle collar 122 and the lower cam collar 124 is in rotating fit with the upper spindle 126, the upper end of the lower spindle 127 is connected with the lower end of the upper spindle 126, the upper end of the lower push sleeve 128 is connected with the lower end of the multi-petal upper push sleeve 125 in a clamping manner, and one side of the lower push sleeve 128 is provided with a plurality of guide wheels 129 which are matched with the connecting slip mechanism 2 in a rolling manner.
Specifically, the slip connecting mechanism 2 comprises a slip 21, a cam pin 22 and a slip outer cylinder 24, the upper end of the slip outer cylinder 24 is fixedly connected with the upper connecting assembly 11 through threads, the lower end of the slip outer cylinder 24 is provided with a guide block 25, one side of the guide block 25 is provided with a cam groove, the cam pin 22 is arranged in the slip outer cylinder 24, the slip 21 is arranged among the guide block 25, the cam pin 22 and the cam groove through a fixed key, and the lower end of the slip outer cylinder 24 is provided with an end shell 26; when the upper connecting assembly 11 and the lower connecting assembly work in a matching manner, the top driver drives the upper joint 111 and the driving sleeve 113 to rotate clockwise, the upper cam sleeve 118 is driven to rotate clockwise through the spline, the lower cam sleeve 124 matched with the top driver through the thread cannot rotate under the constraint of the spline on the upper cylinder 116, only moves downwards and pushes the multi-petal upper pushing sleeve 125 matched with the lower cylinder 123 to move downwards, and further drives the lower pushing sleeve 128 and the slip 21 to move axially relative to the slip outer cylinder 24, and the slip 21 moves radially while moving axially, so that the sleeve is clamped; when the casing needs to be lowered by rotation, the upper cylinder 116 and the slip outer cylinder 24 are driven to rotate together, so that the torque of the casing which is buckled up and the deformation of the clamping part of the slip 21 are not further increased. When the casing is difficult to run in and needs to be pressed and rotated simultaneously, the top drive moves downwards until the push disc 112 contacts with the upper end face of the upper cylinder body 116 to apply downward pressure, at the moment, the lower clutch 121 is combined with the upper spindle retaining sleeve 122 to finally drive the slip outer cylinder 24 to rotate together, so that simultaneous pressing and rotation are realized, and the purposes of further increasing the torque of the casing which is buckled and the deformation of the clamping part of the slip 21 are achieved. When the running of a casing is finished, the casing string is fixed with a rotary table of the drilling machine through the casing slip 21, the top driver is moved to disengage the clutch, the top driver is rotated anticlockwise to enable the lower push sleeve 128 and the slip 21 to move axially and relatively upwards with the slip outer cylinder 24, and the slip 21 moves outwards while moving upwards, so that the casing is loosened. And moving the top drive upwards to move the casing running device out of the casing to complete the running operation of one casing.
Specifically, a cam groove stopper 23 is provided in the cam groove.
When the upper connecting assembly 11 and the lower connecting assembly are combined to work to perform pipe casing descending operation, a single sleeve is hung through the electrically driven single lifting ring assembly 3, one end of the sleeve is aligned with the guide assembly 13, the lower part of the top drive mechanism 1 is inserted into the single sleeve until the upper end of the single sleeve contacts the lower end of the upper mandrel 126, at the moment, the upper end of the drive sleeve 113 is combined with the upper clutch 115 by the drive sleeve 113 under the action of the spring, so that the drive sleeve 113 can be prevented from rotating relative to the upper cylinder 116 and further cannot generate the action of clamping the sleeve, the top drive pushes the upper end of the top drive structure of the push disc 112 to move downwards, when the push disc 112 contacts the upper end surface of the drive sleeve 113, the drive sleeve 113 is driven to move downwards together and be separated from the upper clutch 115, at the moment, the drive sleeve 113 can rotate relative to the upper cylinder 116, at the moment, the drive sleeve 113 continues to move in detail by about the distance of upper buckling displacement compensation, the top driver drives the upper joint 111 and the driving sleeve 113 to rotate clockwise, the upper cam sleeve 118 is driven to rotate clockwise through the spline, the lower cam sleeve 124 matched with the upper cam sleeve 118 through threads is restricted by the spline on the upper cylinder 116 and cannot rotate, therefore, the lower cam sleeve 124 only moves downwards at the moment and pushes the multi-piece upper pushing sleeve 125 matched with the lower cylinder 123 to move downwards, the lower pushing sleeve 128 and the connecting slip mechanism 2 are driven to work to clamp the casing, when the casing string is required to be put in after the casing string is finished, the top driver moves upwards, the driving sleeve 113 is recombined with the upper clutch 115, when the casing string is required to be put in by rotation, the upper cylinder 116 and the connecting slip 21 are driven to rotate locally, and the torque of the casing which is already put in will not be further increased.
When the casing is difficult to run in and needs to be pressed and rotated simultaneously, the top drive moves downwards until the push disc 112 is in contact with the upper end face of the upper barrel 116 to apply downward pressure, at the moment, the lower clutch 121 is combined with the upper mandrel retaining sleeve 122 to finally drive the local part of the connecting slip 21 to rotate together, so that simultaneous pressing and rotation are realized, and the torque of the casing which is buckled up cannot be further increased.
When the running of one casing is finished, the casing string is fixed with a rotary table of the drilling machine, the top driver is moved to disengage the clutch, the top driver is rotated anticlockwise to enable the lower push sleeve 128 and the connecting slip mechanism 2 to work, and the connecting slip mechanism 2 moves outwards while moving upwards, so that the casing is loosened. And moving the top drive upwards to move the casing running device out of the casing to complete the running operation of one casing.
Specifically, the guide assembly 13 includes a sealing cup 131 and a guide cone 132, the sealing cup 131 and the guide cone 132 are both disposed at the lower end of the lower mandrel 127, and the sealing cup 131 is disposed in the middle of the guide cone 132; the guiding assembly 13 is used for guiding and inserting the lower end of the present invention into the sleeve, wherein the diameter of the guide cone 132 is gradually increased from bottom to top, so that the guiding effect of the guiding assembly 13 can be further improved.
Specifically, the single lifting ring assembly 3 comprises two lifting rings 31, a lifting ring mandrel 32 and a lifting ring support 33 are arranged in the middle of the top driving mechanism 1, two ends of the lifting ring mandrel 32 are connected with the lifting ring support 33, the two lifting rings 31 are connected with the lifting ring support 33 through the lifting ring mandrel 32, electric cylinders 34 are arranged on two sides of the lifting ring support 33, one ends of the two electric cylinders 34 are hinged to the lifting ring support 33, hinged supports are arranged at the lower ends of the two lifting rings 31, the two electric cylinders 34 correspond to the two hinged supports one by one, and the other end of each electric cylinder 34 is hinged to the corresponding hinged support; when the hoisting ring 31 hoists the casing by the elevator, the forward inclination angle and the backward inclination angle of the hoisting ring 31 are adjusted arbitrarily by extending and retracting the electric cylinder 34, so that the casing is aligned with the lower end of the invention quickly, and the casing can be inserted into the casing efficiently.
Specifically, the below of top drive mechanism 1 is equipped with single elevator 35, every the lower extreme of rings 31 all is equipped with rings adjusting rod 36, every the lower extreme of rings adjusting rod 36 all is equipped with elevator connecting seat 37, the both sides of single elevator 35 all are equipped with shackle 38, and two shackles 38 and two elevator connecting seats 37 one-to-one just mutually support.
Specifically, each lifting ring adjusting rod 36 is provided with a plurality of connecting holes 6 which are distributed at equal intervals; the length of the hanging ring 31 can be adjusted through the connecting holes 6 to meet the requirements of different specifications of sleeves and different configuration lengths of the invention.
Specifically, the anti-rotation and displacement compensation mechanism 4 comprises an anti-rotation component 41 and a displacement compensation component 42, wherein the anti-rotation component 41 and the displacement compensation component 42 are both arranged on one side of the top drive mechanism 1, and the anti-rotation component 41 is arranged at the upper end of the displacement compensation component 42.
Specifically, the anti-rotation assembly 41 comprises an upper bracket 411 and two clamping seats 412 fixed on the upper bracket 411, the upper bracket 411 is vertically arranged, the lower end of the upper bracket 411 is connected with the displacement compensation assembly 42, each clamping seat 412 is provided with a guide groove, two pressing plates 413 in sliding fit with the guide groove are arranged in the guide groove, two ends of each clamping seat 412 are respectively provided with a width jackscrew 414 matched with the pressing plate 413, a fixing frame 415 is arranged beside the upper bracket 411, the fixing frame 415 penetrates through the middle parts of the two pressing plates 413, each pressing plate 413 is provided with a thickness jackscrew 416 for fixing the fixing frame 415, and the lower end of the fixing frame 415 is provided with a top-driving back clamp 417 fixedly connected with the fixing frame 415; the pressing plate 413 can slide and adjust in the guide groove according to the width of the fixing frame 415 of the top drive back-up clamp 417 with different specifications, and can be quickly clamped through the width jackscrew 414 and the thickness jackscrew 416, the height can be adjusted randomly before clamping, and the application range of the invention is improved. In addition, the installation mode does not need to dismantle the guide-in ring 9 on the original shape top drive back-up tong 417 after the casing running operation is completed, and then the anti-rotation component 41 is fixed on the bolt hole of the original fixed guide-in ring 9, so that the installation efficiency is greatly improved.
Specifically, the lower end of the top drive back-up tong 417 is provided with a guide-in ring 9, the guide-in ring 9 is trumpet-shaped, and the trumpet-shaped guide-in is convenient for fixing the top drive and aligning.
Specifically, the moving compensation assembly comprises a guide rail 421, the guide rail 421 is vertically arranged at the side of the top drive mechanism 1, the upper end of the guide rail 421 is fixedly connected with the upper bracket 411, a roller frame 422 is arranged on the single lifting ring assembly 3, two roller mandrels 423 are arranged on the roller frame 422, and a roller 424 is arranged on each roller mandrel 423; through the arrangement, the single lifting ring assembly 3 can be prevented from rotating when the lifting ring assembly rotates, and the lifting ring assembly can move along the guide rail 421 to realize a displacement compensation function.
Claims (2)
1. The utility model provides a top drive casing pipe device's connection slips mechanism convenient to change which characterized in that: the top drive casing running device comprises a top drive mechanism (1), wherein the top drive mechanism (1) comprises an upper connecting assembly (11), a lower connecting assembly and a guide assembly (13), the lower connecting assembly is installed at the lower end of the upper connecting assembly (11), and the guide assembly (13) is arranged at the lower end of the lower connecting assembly;
the upper connecting assembly (11) comprises an upper joint (111), a push disc (112), a driving sleeve (113), a blocking sleeve (114), an upper clutch (115), an upper barrel (116), an opening blocking ring (117) and an upper cam sleeve (118), the upper joint (111) is connected with the push disc (112) through a flat key and a locking nut, the upper joint (111) is connected with the driving sleeve (113) through a spline, the upper joint (111) is connected with the lower connecting assembly through a spline and the opening blocking ring (117), the driving sleeve (113) is connected with the upper barrel (116) through the upper clutch (115), the driving sleeve (113) is connected with the upper cam sleeve (118) through a spline, and the upper clutch (115) is connected with the upper barrel (116) through a spline and the blocking sleeve (114); a leaf spring (5) is arranged at the joint of the upper clutch (115) and the upper cylinder body (116);
the lower connecting assembly comprises a lower clutch (121), an upper mandrel retaining sleeve (122), a lower cylinder (123), a lower cam sleeve (124), a multi-disc push-up sleeve (125), an upper mandrel (126), a lower mandrel (127) and a lower push-down sleeve (128), the upper end of the lower cylinder (123) is connected with the upper cylinder (116) through threads, the upper joint (111) is connected with the lower clutch (121) through a spline and an opening retaining ring (117), the lower cam sleeve (124) is connected with the upper cam sleeve (118) through threads and the lower cam sleeve (124) is connected with the lower cylinder (123) through a spline, the multi-disc push-up sleeve (125) is arranged on the outer wall of the lower cylinder (123) and in sliding fit with the outer wall of the lower cylinder, the lower cylinder (123) is connected with the upper mandrel (126) through threads, the upper joint (111) is in sliding and rotating fit with the upper mandrel (126), the lower cam sleeve (124) is matched with the upper mandrel retaining sleeve (122) and the lower cam sleeve (124) is in rotating fit with the upper mandrel (126) The upper end of the lower mandrel (127) is connected with the lower end of the upper mandrel (126), the upper end of the lower push sleeve (128) is connected with the lower end of the multi-petal upper push sleeve (125) in a clamping manner, and one side of the lower push sleeve (128) is provided with a plurality of guide wheels (129) which are in rolling fit with the connecting slip mechanism (2);
connect slips mechanism and include slips (21), cam pin (22) and slips urceolus (24), the upper end of slips urceolus (24) is through screw thread and upper portion coupling assembling (11) fixed connection, the lower extreme of slips urceolus (24) is equipped with guide block (25), one side of guide block (25) is equipped with the cam groove, cam pin (22) set up in slips urceolus (24), slips (21) set up between guide block (25), cam pin (22) and cam groove through the fixed key, the lower extreme of slips urceolus (24) is equipped with end shell (26).
2. The slip-connecting mechanism of a top drive casing running apparatus for easy replacement of claim 1, further comprising: a cam groove stop block (23) is arranged in the cam groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332714.1A CN110939390B (en) | 2019-12-22 | 2019-12-22 | Connecting slip mechanism of top drive casing running device convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332714.1A CN110939390B (en) | 2019-12-22 | 2019-12-22 | Connecting slip mechanism of top drive casing running device convenient to replace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110939390A CN110939390A (en) | 2020-03-31 |
| CN110939390B true CN110939390B (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911332714.1A Active CN110939390B (en) | 2019-12-22 | 2019-12-22 | Connecting slip mechanism of top drive casing running device convenient to replace |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204782764U (en) * | 2015-07-14 | 2015-11-18 | 黑龙江北方双佳钻采机具有限责任公司 | Bushing apparatus is driven down on full mechanical type wild card top |
| CN105507845A (en) * | 2015-12-31 | 2016-04-20 | 中国石油天然气股份有限公司 | Long-effect packer for oilfield water exclusion production |
| CN105781421A (en) * | 2014-12-26 | 2016-07-20 | 中石化胜利石油工程有限公司钻井工艺研究院 | Sleeve rotary and circular running tool |
| CN110552619A (en) * | 2019-09-10 | 2019-12-10 | 中国石油集团川庆钻探工程有限公司 | Top drive rotary casing running device |
-
2019
- 2019-12-22 CN CN201911332714.1A patent/CN110939390B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781421A (en) * | 2014-12-26 | 2016-07-20 | 中石化胜利石油工程有限公司钻井工艺研究院 | Sleeve rotary and circular running tool |
| CN204782764U (en) * | 2015-07-14 | 2015-11-18 | 黑龙江北方双佳钻采机具有限责任公司 | Bushing apparatus is driven down on full mechanical type wild card top |
| CN105507845A (en) * | 2015-12-31 | 2016-04-20 | 中国石油天然气股份有限公司 | Long-effect packer for oilfield water exclusion production |
| CN110552619A (en) * | 2019-09-10 | 2019-12-10 | 中国石油集团川庆钻探工程有限公司 | Top drive rotary casing running device |
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| CN110939390A (en) | 2020-03-31 |
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