CN201372722Y - Top drive casing running device - Google Patents
Top drive casing running device Download PDFInfo
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- CN201372722Y CN201372722Y CN200920105896U CN200920105896U CN201372722Y CN 201372722 Y CN201372722 Y CN 201372722Y CN 200920105896 U CN200920105896 U CN 200920105896U CN 200920105896 U CN200920105896 U CN 200920105896U CN 201372722 Y CN201372722 Y CN 201372722Y
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Abstract
The utility model relates to a top drive casing running device which is applied to casing running operation by adopting a top drive drilling device. The top drive casing running device is characterized in that threads at the lower end of a mandrel is connected with a slips mandrel and a guiding head; a piston is sheathed on the external wall of the lower end of the mandrel; the external part of the piston is provided with a piston cylinder; the lower end of the piston cylinder is fixedly provided with a lower end cover; a central hole of the lower end cover is matched with the external wall of a cylindrical body at the lower end of the piston in a sliding and sealing manner; the wall of the piston cylinder is provided with an inlet and an outlet for high-pressure fluid; the lower end of the piston is connected with the top of a slips; the internal side of the lower end of the slips is provided with a slope; when the piston and the slips are hydraulically driven to slide downward, the slips opens outward to clamp the internal wall of the casing so as to realize the reliable transmission of power to a casing string. The top drive casing running device has the effects of simplifying the casing running process, timely rotating the casing string and circulating mud, improving the production efficiency of casing running, and improving safety as well as the automatization degree of casing running operation.
Description
Technical field
The utility model relates to oil cementing technology field, particularly a kind of casing job device that cooperates top-drive drilling to carry out casing job.
Background technology
According to the drilled well bore Structural Design Requirement, all need setting of casing after each stage finishing drilling, and carry out well cementing operation.Setting of casing is with the every sleeve pipe that length is about 10 meters, and ground composition casing string that links together is simultaneously the casing string G.I.H; Well cementing operation is to inject cement paste between the casing string and the borehole wall, and cement paste solidifies the back casing string is fixed on the borehole wall.According to statistics, a bite well need take the total rig time up to 12～20%, and casing string is coupled together and G.I.H.
Most of drilling crews need ask a specialty " sleeve pipe work team " to be finished when finishing this special casing job.
Conventional setting of casing equipment mainly comprises: be used for fixing on the rig floor lower end casing string the rig floor air operated slips, be used to screw (pine) cover pipe thread hydraulic casing tongs, be used for intermittently pouring into mud open mud grouting device, be used to promote whole casing string the top air operated slips, be used to other aids such as make-up sheath of promoting the single simple and easy elevator of sleeve pipe and being used for the protective sleeve pipe thread.
Cased for many years flow process does not almost change.The flow process that connects each root sleeve pipe is: it is single to use simple and easy elevator to promote sleeve pipe; Make-up sheath make-up is installed; When connecting, use hydraulic casing tongs rotation top sleeve pipe single; Start the top air operated slips, unclamp bottom rig floor air operated slips, make the total weight of top air operated slips support set tubing string, transfer casing string; In time in casing string, pour into mud on request, finish a sleeve pipe G.I.H.Repeat above flow process, until whole sleeve pipes being connected and transferring to the shaft bottom.
Yet many problems such as in drilling process, the well after the finishing drilling (especially bore hole) undergauge often occurs, caves in, landwaste precipitation can influence the casing job process.If these problems can not in time effectively solve by measures such as circulating mud, revoling tubes, just may cause sleeve pipe normally to descend to the shaft bottom.
At present, the cased method of existing conventional can be effectively be joined together to form casing string and G.I.H with sleeve pipe is single, but obviously has following room for improvement: (1) sleeve pipe spinner complicated operation, moment of torsion are difficult for accurately control; (2) casing string that is suspended in the well can not rotate; (3) can not be as required circulating mud at any time; (4) casing job efficient is not high, has great potential safety hazard.
Based on the above limitation of conventional casing job, various countries' oil drilling company active development is safer, setting of casing equipment efficiently, the application of having succeeded of the product of indivedual companies.Domestic drilling scientific research institution also pays close attention to the correlation technique progress always, and tries to explore.Dagang Oilfield drilling institute successfully develops two kinds of circulation setting of casing devices, a kind of is that the automatic grouting release device is driven on the top, another kind is that rotating disk bores the automatic grouting release device, all can be in the setting of casing process, at any time at the well head drilling fluid charge, need not stop casing job, the phenomenon that occurs being hampered in the setting of casing process can also be set up circulation at once, utilizes broken rock milling guide shoe to remove casting bed.Drilling technology engineering research institute of the CNPC machinery simple and easy Casing Drilling Technique of having developed, comprise cased mechanical casing clamping head, clamping head divides wild card and Nei Ka two kinds, be applicable to the above sleeve pipe of 5-1/2 " sleeve pipe and 7 " respectively, be connected the kelly bar below, by clamping device clamps sleeve pipe and drive sleeve.Because the lower end design has the cup packing device, can realize the normal circulation of drilling fluid.
Top driving device is the novel great petroleum drilling technology equipment that has grown up since the eighties in 20th century, its replaces rotating disk and kelly bar and directly drives drill string and creep into, have torque and speed and control advantages such as accurate, no matter in drilling process, still in the process of making a trip, can the limit rotary drill column, the limit circulating mud has significantly reduced the appearance of complex situations such as being hampered, stuck.
By the investigation to domestic and international correlation technique, according to domestic oil field needs, Beijing Petroleum Machinery plant has researched and developed out a kind of top that cooperates and has driven the device that carries out casing job.This device replaces setting of casing equipment such as the at present domestic and international widely used casing tong of drilling well, can give full play to the superiority that drive on the top, the automation that has not only realized casing string connects, and can provide the ability of revoling tube and circulating mud, potential safety hazard such as significantly reduce bit freezing, be hampered has greatly improved the success rate of casing job.
The utility model content
The purpose of this utility model is: provide a kind of top to drive the setting of casing device, realize the accurate control of make-up, sleeve pipe spinner and moment of torsion reliably, whole casing string, perfusion or circulating mud at any time be can rotate at any time, setting of casing safety of construction and cased operating efficiency improved.
The technical solution adopted in the utility model is: it is a kind of based on top drive drilling system that the setting of casing device is driven on the top, is used for the drilling equipment that integrates machinery, hydraulic pressure of casing job.Difference according to casing size is divided into internal drive and two kinds of structures of external drive.When casing diameter adopts external driver device during less than 177.8mm, when casing diameter adopts internal drive during more than or equal to 177.8mm.No matter be internal drive or external drive, the top is driven the setting of casing device and can be divided into six parts such as bindiny mechanism, driving mechanism, transmission mechanism, position-limit mechanism, clamping body, sealing mechanism.
The top is driven the setting of casing device and mainly is made up of axle, upper end cover, piston rod, piston, bottom end cover, push-and-pull card tube, spacing snap ring, slips, slips axle, leather cup and guide head.Axle is cylindric, and axle has centre bore, and screw thread is connected with the slips axle in the lower end of axle, and the slips axle is cylindric, and the slips axle has centre bore, and screw thread is connected with guide head in the lower end of slips axle.Be with leather cup on the outer wall of guide head.
Be with piston on the outer wall of the lower end of axle, there is cylindrical body at the two ends up and down of piston, can slide relatively between cylindrical body inwall and the axle.There is piston rod outside at piston, and the piston rod inwall is the Step Circular structure, and the cylindrical body outer wall of piston upper end cooperates with the slipper seal of piston rod inwall ladder roundlet cylinder.Be fixed with bottom end cover in the piston rod lower end, centre bore is stamped in the lower end, and slipper seal cooperates between the cylinder outer wall of bottom end cover centre bore and piston lower end.The import and the outlet of high-pressure fluid are arranged on piston in cylinder wall.High-pressure fluid enters or discharges, and can promote piston and pump.
Top at piston rod is fixed with upper end cover, and axle is passed the centre bore of upper end cover.In the upper end of piston rod inner and and axle between bearing is arranged, can relatively rotate between piston rod and the axle.
The lower end of piston lower end cylinder is in the bottom end cover outside.Piston lower end cylinder is connected with slips top on the slips axle outer wall.When piston up-down, can drive slips and slide up and down along slips axle outer wall.
Be evenly distributed with 3～6 axial grooves on the outer wall of slips axle, be embedded in a bar shaped slips at each axial groove, slips lower end cylindrical has slip insert.There is the inclined-plane inboard, slips lower end., there is the inclined-plane at the end of slips axle axial groove.The inclined-plane of inboard, slips lower end cooperates with inclined-plane at the bottom of the slips axle axial groove.When the high-pressure fluid driven plunger and when promoting slips and sliding downwards, outwards open the slips lower end, and slip insert can tighten internal surface of sleeve pipe, transmits to promote casing load or reverse casing load.The structure on slips and inclined-plane is the structure that those skilled in the art use always, is not described in detail.
There is long guiding surface the guide head lower end, can guarantee that leather cup enters in the sleeve pipe easily.Be with leather cup on the cylindrical of guide head, leather cup produces distortion after entering sleeve pipe, forms relative contact pressure with internal surface of sleeve pipe, has " self-tightening ", in the setting of casing process, can pour into mud at any time.In addition, the cross section of leather cup is the V-arrangement cross section of unidirectional pressure-bearing, can guarantee normal circulation mud and well cementation pressure testing, and the sealing load maximum can reach 70MPa.Guide head and leather cup are the structures that those skilled in the art use always, are not described in detail.
The cylinder of described piston lower end is connected with the slips top, and syndeton is on the outer wall of piston lower end cylinder cannelure to be arranged.Be fixed with push-and-pull card tube on described cannelure, push-and-pull card tube cross section is a semi-round ring shape, and two push-and-pull card tubes are formed an annular tube relatively.The upper end of push-and-pull card tube buckles in the cannelure to projecting inward annular section.On the annular drum outer wall that two push-and-pull card tubes are formed, be with cylindrical body, and cylindrical body be fixed on the outer wall of push-and-pull card tube with screw.Between two push-and-pull card tube inwalls and slips axle, annular space is arranged.The slips collar is arranged in described annular space.Slips collar cross section is a semi-round ring shape, and two slips collars are formed an annular tube relatively.The rectangular ring body of projection is arranged on the inwall of push-and-pull card tube, recessed rectangular ring groove is arranged on the inwall of the slips collar.The rectangular ring body of push-and-pull card tube cooperates with the rectangular ring groove of the slips collar slips collar and push-and-pull card tube is fixed together.The oriented projecting inward ring in the bottom of the slips collar.Outside hook-shaped of giving prominence to arranged at the top of slips, and outside hook-shaped of giving prominence in slips top is on the top of slips collar convex hole, and plane and lower plane have single direction thrust ball bearing on outside hook-shaped of giving prominence in slips top.Can relatively rotate between slips axle and the push-and-pull card tube.
In the setting of casing process, operating personnel's operation can not be very accurate, and the slips collar may be run in the top of sleeve pipe.In order to prevent that the sleeve pipe top from running into the slips collar, on the slips axle, be fixed with stopping means.Be fixed with spacing snap ring on the slips axle, spacing snap ring is the semicircular body, and two spacing snap rings are formed a ring bodies relatively, at the ring bodies inwall outstanding rectangular block are arranged.In the groove on the rectangular block insertion slips axle.Described slips axle groove is at slips axle middle part, with first chamfer distance of slips axle greater than the longest casing coupling.On the outer wall of spacing snap ring, be with spacing in the cover, prevent that spacing snap ring from scattering.In spacing, be with a spacing overcoat on the outer wall of cover.Spacing overcoat is connected with spacing interior cover by screw, and when casing job, the three does as a whole, and it is up to stop sleeve pipe to continue, and makes slips be inserted into the accurate position of internal surface of sleeve pipe.
The operating process that the setting of casing device is driven on the utility model top: be based on top drive drilling system, be used for the drilling equipment that integrates machinery, hydraulic pressure of casing job.Difference according to casing size is divided into internal drive and two kinds of structures of external drive.When casing diameter adopts external driver device during less than 177.8mm, when casing diameter adopts internal drive during more than or equal to 177.8mm.No matter be internal drive or external drive.The casing elevator lifting sleeve pipe that uses the top to drive on the suspension ring is single; Utilize the leather cup of slips axle lower end to set upright the single and make-up of sleeve pipe; Drive hydraulic power source by the top and drive that the slips of setting of casing device is descending to be opened or tighten up, gripping sleeve inwall or outer wall utilize and detain function on the top-drive drilling, accurately control the torque wrench moment of sleeve pipe, make that sleeve pipe is single reliably to be connected with casing string; Unclamp the air operated slips on the rig floor, make the top drive the total weight of suspension ring and casing elevator support set tubing string, transfer casing string; At any time in casing string, pour into mud or circulating mud by top-drive drilling main shaft hydrophthalmia.Repeat above flow process, until whole casing strings are transferred to well.In drilling process,, guarantee that casing string can be smoothly normally down to the shaft bottom if problems such as well undergauge occurs, caves in, landwaste precipitation can in time effectively solve by measures such as circulating mud, revoling tubes.
The beneficial effects of the utility model: drive setting of casing device top on the top and be connected with the top-drive drilling main shaft, drive descending the opening of slips that hydraulic power source drives this device, make the pincers tooth gripping sleeve inwall on the slips cylindrical by the top by screw thread.Can give sleeve pipe the torque wrench moment accurate transfer, and then screw the whole casing string in button on the single sleeve pipe or the rotation well.Realize the reliable connection of casing string; Can drive setting of casing device axle hydrophthalmia by the top, mud sprue bushing post because cup packing can withstand voltage 70MPa, therefore, can be as required circulating mud at any time.
No longer need top air operated slips, make-up sheath, casing tong, mud grouting equipment etc., a large amount of activity durations and cost have been saved, especially moment of torsion is accurately controlled, guaranteed the safe and reliable connection of sleeve pipe, and can provide the ability of revoling tube and circulating mud at any time, potential safety hazard such as significantly reduced bit freezing, be hampered, operating efficiency and benefit are all very high, and be simple to operate.Simplified work flow, in time rotary sleeve tubing string and circulating mud have as required strengthened the automaticity of casing job, have improved production efficiency and safety.In the setting of casing process, when running into hole shrinkage, cave-in, landwaste sedimentation problem, drive the setting of casing device by the top, not only can accurately guarantee torque wrench moment, realize the reliable connection of sleeve pipe, and can in time rotate whole casing string in time to cannula cavity perfusion and circulating mud, can solve the problem that hole shrinkage, cave-in, landwaste precipitation are brought, guarantee that casing string can be smoothly normally down to the shaft bottom.
Description of drawings
Fig. 1 is the structural profile schematic diagram that the setting of casing device is driven on the utility model top.
Among the figure, 1-axle, 2-upper end cover, 3-piston rod, 4-piston, 5-bottom end cover, 6-push-and-pull card tube, the 7-slips collar, the spacing snap ring of 8-, cover in 9-is spacing, the spacing overcoat of 10-, 11-slips, 12-slips axle, 13-leather cup, 14-guide head.
The specific embodiment
Embodiment 1: driving the setting of casing device with the XTG244 top is that example is described in further detail the utility model.
Consult Fig. 1.XTG244 drives the setting of casing device in the top, mainly is made up of six parts such as bindiny mechanism, driving mechanism, transmission mechanism, position-limit mechanism, clamping body, sealing mechanisms.The top is driven the setting of casing device and mainly is made up of axle 1, upper end cover 2, piston rod 3, piston 4, bottom end cover 5, push-and-pull card tube 6, spacing snap ring 8, slips 11, slips axle 12, leather cup 13 and guide head 14.Axle 1 is cylindric, and axle 1 has centre bore, and screw thread is connected with slips axle 12 in the lower end of axle 1, and slips axle 12 is cylindric, and slips axle 12 has centre bore, is connected with guide head 14 and adopts screw at the lower end of slips axle 12 screw thread.Be with a sealing cup 13 on the outer wall of guide head 14.
The lower end outer diameter of axle 1 is 220 millimeters.Be with a piston 4 on the outer wall of the lower end of axle 1, the two ends up and down of piston 4 have cylindrical body respectively, can slide relatively between cylindrical body inwall and the axle 1.In the outside of piston 4 piston rod 3 is arranged, piston rod 3 inwalls are the Step Circular structure, and the top internal diameter is 265 millimeters, 345 millimeters of bottom internal diameters.The cylindrical body outer wall of piston 4 upper ends cooperates with piston rod 3 inwall ladder roundlet cylinder slipper seals.Be fixed with bottom end cover 5 in piston rod 3 lower ends, bottom end cover 5 has centre bore, and slipper seal cooperates between the cylinder outer wall of bottom end cover 5 centre bores and piston 4 lower ends.The import and the outlet of high-pressure fluid are arranged on piston rod 3 walls.Import is connected with control valve with high-pressure pump with outlet, and high-pressure fluid enters or discharges, and can promote piston 4 and pump.The stroke of piston about in the of 4 is 50 millimeters.
Be fixed with upper end cover 2 on the top of piston rod 3, axle 1 is passed the centre bore of upper end cover 2.In the upper end of piston rod 3 inner and and axle 1 between two bearings are arranged, the upper surface of bearing is fixed and clamped by nut.Can relatively rotate between piston rod 3 and the axle 1.
The part of piston 4 lower end cylinders is in bottom end cover 5 outsides.Piston 4 lower end cylinders are connected with slips 11 tops on slips axle 12 outer walls.Syndeton can have a variety of, and syndeton of the present utility model is that the cylinder of piston 4 lower ends is connected with slips 11 tops, and syndeton is on the outer wall of piston 4 lower end cylinders cannelure to be arranged.Be fixed with push-and-pull card tube 6 on cannelure, push-and-pull card tube 6 cross sections are semi-round ring shape, and two push-and-pull card tubes 6 are formed an annular tube relatively.The upper end of push-and-pull card tube 6 buckles in the cannelure to projecting inward annular section.On the annular drum outer wall that two push-and-pull card tubes 6 are formed, be with cylindrical body, and cylindrical body be fixed on the outer wall of push-and-pull card tube 6 with screw.Between two push-and-pull card tube 6 inwalls and slips axle 12, annular space is arranged.The slips collar 7 is arranged in described annular space.The slips collar 7 cross sections are semi-round ring shape, and two slips collars 7 are formed an annular tube relatively.The rectangular ring body of projection is arranged on the inwall of push-and-pull card tube 6, recessed rectangular ring groove is arranged on the inwall of the slips collar 7.The rectangular ring body of push-and-pull card tube 6 cooperates with the rectangular ring groove of the slips collar 7 the slips collar 7 and push-and-pull card tube 6 is fixed together.The oriented projecting inward ring in the bottom of the slips collar 7.Outside hook-shaped of giving prominence to arranged at the top of slips 11, and outside hook-shaped of giving prominence in slips 11 tops is on the top of the slips collar 7 convex holes, and plane and lower plane have a single direction thrust ball bearing respectively on outside hook-shaped of giving prominence in slips 11 tops.Can relatively rotate between slips axle 12 and the push-and-pull card tube 6.When piston 4 moves up and down, can drive slips 11 and slide up and down along slips axle 12 outer walls.
Be evenly distributed with 4 axial grooves on the outer wall of slips axle 12, be embedded in a bar shaped slips 11 at each axial groove, slips 11 lower end cylindricals have slip insert.There is the inclined-plane inboard, slips 11 lower end., there is the inclined-plane at the end of slips axle 12 axial grooves.The inclined-plane of inboard, slips 11 lower end cooperates with inclined-plane at the bottom of slips axle 12 axial grooves.When high-pressure fluid driven plunger 4 and when promoting slips 11 to lower slider, outwards open slips 11 lower ends, and slip insert can tighten internal surface of sleeve pipe, transmits to promote casing load or reverse casing load.
There is long guiding surface guide head 14 lower ends, can guarantee that leather cup 13 enters in the sleeve pipe easily.Be with leather cup 13 on the cylindrical of guide head 14, leather cup 13 produces distortion after entering sleeve pipe, forms relative contact pressure with internal surface of sleeve pipe, has " self-tightening ", in the setting of casing process, can pour into mud at any time.In addition, the cross section of leather cup 13 is V-arrangement cross sections of unidirectional pressure-bearing, can guarantee normal circulation mud and well cementation pressure testing, and the sealing load maximum can reach 70MPa.
On slips axle 12, be fixed with stopping means.Be fixed with spacing snap ring 8 on slips axle 12, spacing snap ring 8 is the semicircular body, and two spacing snap rings 8 are formed a ring bodies relatively, at the ring bodies inwall outstanding rectangular block are arranged.In the groove on the rectangular block insertion slips axle 12.Described slips axle 12 grooves are at slips axle 12 middle parts, with first chamfer distance of slips axle 12 greater than the longest casing coupling.On the outer wall of spacing snap ring 8, be with spacing in the cover 9, prevent that spacing snap ring 8 from scattering.In spacing, be with a spacing overcoat 10 on the outer wall of cover 9.Spacing overcoat 10 is connected with spacing interior cover 9 by screw.
Claims (4)
1, the setting of casing device is driven on a kind of top, mainly by axle (1), upper end cover (2), piston rod (3), piston (4), bottom end cover (5), push-and-pull card tube (6), spacing snap ring (8), slips (11), slips axle (12), leather cup (13) and guide head (14) are formed, axle (1) is cylindric, axle (1) has centre bore, lower end screw thread in axle (1) is connected with slips axle (12), slips axle (12) is cylindric, slips axle (12) has centre bore, lower end screw thread in slips axle (12) is connected with guide head (14), be with leather cup (13) on the outer wall of guide head (14), it is characterized in that:
On the lower end outer wall of axle (1), be with piston (4), there is cylindrical body at the two ends up and down of piston (4), can slide relatively between cylindrical body inwall and the axle (1), in the outside of piston (4) piston rod (3) is arranged, piston rod (3) inwall is the Step Circular structure, the cylindrical body outer wall of piston (4) upper end cooperates with the slipper seal of piston rod (3) inwall ladder roundlet cylinder, be fixed with bottom end cover (5) in piston rod (3) lower end, bottom end cover (5) has centre bore, slipper seal cooperates between the cylinder outer wall of bottom end cover (5) centre bore and piston (4) lower end, and the import and the outlet of high-pressure fluid are arranged on piston rod (3) wall;
Be fixed with upper end cover (2) on the top of piston rod (3), axle (1) is passed the centre bore of upper end cover (2), in the upper end of piston rod (3) inner and and axle (1) between bearing is arranged, can relatively rotate between piston rod (3) and the axle (1);
The lower end of piston (4) lower end cylinder is in bottom end cover (5) outside, and piston (4) lower end cylinder is connected with slips (11) top on slips axle (12) outer wall;
On the outer wall of slips axle (12), be evenly distributed with 3～6 axial grooves, be embedded in a bar shaped slips (11) at each axial groove, slips (11) lower end cylindrical has slip insert, there is the inclined-plane slips (11) inboard, lower end,, there is the inclined-plane at the end of slips axle (12) axial groove, and the inclined-plane of slips (11) inboard, lower end cooperates with inclined-plane at the bottom of slips axle (12) axial groove.
2, the setting of casing device is driven on top according to claim 1, it is characterized in that: the cylinder of described piston (4) lower end is connected with slips (11) top, syndeton is on the outer wall of piston (4) lower end cylinder cannelure to be arranged, on described cannelure, be fixed with push-and-pull card tube (6), push-and-pull card tube (6) cross section is a semi-round ring shape, two push-and-pull card tubes (6) are formed an annular tube relatively, the upper end of push-and-pull card tube (6) buckles in the cannelure to projecting inward annular section, on the annular drum outer wall that two push-and-pull card tubes (6) are formed, be with cylindrical body, and cylindrical body is fixed on the outer wall of push-and-pull card tube (6) with screw, between two push-and-pull card tube (6) inwalls and slips axle (12), annular space is arranged, the slips collar (7) is arranged in described annular space, the slips collar (7) cross section is a semi-round ring shape, two slips collars (7) are formed an annular tube relatively, the rectangular ring body that projection is arranged on the inwall of push-and-pull card tube (6), recessed rectangular ring groove is arranged on the inwall of the slips collar (7), the rectangular ring body of push-and-pull card tube (6) cooperates with the rectangular ring groove of the slips collar (7) the slips collar (7) and push-and-pull card tube (6) is fixed together, at the oriented projecting inward ring in the bottom of the slips collar (7), the top of slips (11) has outwards outstanding hook-shaped, the hook-shaped top that slips (11) top is outwards outstanding at the slips collar (7) convex hole, last plane of outside hook-shaped of giving prominence to and lower plane have single direction thrust ball bearing at slips (11) top, can relatively rotate between slips axle (12) and the push-and-pull card tube (6).
3, the setting of casing device is driven on top according to claim 1 and 2, it is characterized in that: be fixed with stopping means on slips axle (12).
4, the setting of casing device is driven on top according to claim 3, it is characterized in that: on slips axle (12), be fixed with spacing snap ring (8), spacing snap ring (8) is the semicircular body, two spacing snap rings (8) are formed a ring bodies relatively, at the ring bodies inwall outstanding rectangular block is arranged, in the groove on the rectangular block insertion slips axle (12), described slips axle (12) groove is at slips axle (12) middle part, on the outer wall of spacing snap ring (8), be with cross section and overlap (9) in annular spacing, be with a spacing overcoat (10) on the outer wall of cover (9) in spacing, spacing overcoat (10) is connected with spacing interior cover (9) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105896U CN201372722Y (en) | 2009-02-26 | 2009-02-26 | Top drive casing running device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105896U CN201372722Y (en) | 2009-02-26 | 2009-02-26 | Top drive casing running device |
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| CN201372722Y true CN201372722Y (en) | 2009-12-30 |
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| CN200920105896U Expired - Lifetime CN201372722Y (en) | 2009-02-26 | 2009-02-26 | Top drive casing running device |
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| CN103437708A (en) * | 2013-08-30 | 2013-12-11 | 中国石油集团川庆钻探工程有限公司 | Casing pipe driving head suitable for casing pipe well drilling |
| CN103437709B (en) * | 2013-08-30 | 2016-01-20 | 中国石油集团川庆钻探工程有限公司 | Sleeve pipe driving head is utilized to carry out the method for casing job |
| CN103628818A (en) * | 2013-11-28 | 2014-03-12 | 西南石油大学 | Well drilling top drive running casing tool driving head |
| CN103628818B (en) * | 2013-11-28 | 2015-07-15 | 西南石油大学 | Well drilling top drive running casing tool driving head |
| CN104234627A (en) * | 2014-09-17 | 2014-12-24 | 中国石油天然气集团公司 | Casing device and casing method based on top drive operation |
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| CN104929521A (en) * | 2015-06-10 | 2015-09-23 | 四川宏华石油设备有限公司 | Top drive lower sleeve device |
| CN106761411A (en) * | 2017-02-22 | 2017-05-31 | 西南石油大学 | Drive casing appliances in a kind of motor-driven top |
| CN106761412A (en) * | 2017-02-22 | 2017-05-31 | 西南石油大学 | Drive casing appliances in the inner support external clamping top that a kind of annular hydraulic cylinder drives |
| CN107044260A (en) * | 2017-02-22 | 2017-08-15 | 西南石油大学 | Drive casing appliances in a kind of screw drive fully mechanical top |
| CN110067513A (en) * | 2018-01-23 | 2019-07-30 | 中石化石油工程技术服务有限公司 | A kind of whirling vibration casing guidance tripping in tool |
| CN110939391A (en) * | 2019-12-22 | 2020-03-31 | 黑龙江北方双佳钻采机具有限责任公司 | Mechanical type outer card top drive casing running device |
| CN112377107A (en) * | 2020-09-07 | 2021-02-19 | 中油国家油气钻井装备工程技术研究中心有限公司 | Rotary injection integrated casing running device |
| CN112377107B (en) * | 2020-09-07 | 2022-10-04 | 中油国家油气钻井装备工程技术研究中心有限公司 | Rotary injection integrated casing running device |
| CN113107382A (en) * | 2021-04-16 | 2021-07-13 | 淮南矿业(集团)有限责任公司 | Large-diameter long-drill-hole casing running device and method |
| CN114016920A (en) * | 2021-11-01 | 2022-02-08 | 中煤科工集团西安研究院有限公司 | Device and method for lowering large-diameter casing pipe in coal mine well |
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