CN110067524A - A kind of casing section push tripping in tool - Google Patents
A kind of casing section push tripping in tool Download PDFInfo
- Publication number
- CN110067524A CN110067524A CN201810065587.2A CN201810065587A CN110067524A CN 110067524 A CN110067524 A CN 110067524A CN 201810065587 A CN201810065587 A CN 201810065587A CN 110067524 A CN110067524 A CN 110067524A
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- 230000004075 alteration Effects 0.000 claims abstract description 34
- 210000002445 nipple Anatomy 0.000 claims abstract description 18
- 230000009466 transformation Effects 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 28
- 239000000725 suspension Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 11
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 abstract description 16
- 230000011218 segmentation Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
- E21B23/10—Tools specially adapted therefor
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Hydraulic Motors (AREA)
Abstract
The present invention relates to a kind of casing sections to push tripping in tool, including Segmented expansion pipe nipple, pressure alteration device, four part of turbine motor and rotary guide shoe, pressure alteration device, turbine motor and rotary guide shoe are connected to casing string end in turn, Segmented expansion pipe nipple is according to wellbore frictional resistance forecast of distribution situation, it is connected to away from the certain position of casing string end, casing string is divided into top gravity decentralization section and lower thrust decentralization section, and hydraulic cylinder piston structure is collectively constituted with pressure alteration device, on the basis of casing gravity tripping in, it is recycled by establishing, turbine motor, which clears up the borehole wall by rotary guide shoe, reduces casing tripping in frictional resistance, it is converted simultaneously by the hydraulic pressure of pressure alteration device, realize that the segmentation of casing string pushes tripping in using hydraulic cylinder piston structure.
Description
Technical field
The present invention relates to the complete down-hole casing field of tool of oil/gas well, and in particular to a kind of casing section push tripping in tool.
Background technique
With the exploitation of petroleum resources, the progress of drilling technology, extended reach well, long horizontal sections horizontal well are more and more, by
In the reason of the complex geologic conditions and orientation construction level, the problems such as drilled wellbore trajectories are likely to occur dog-leg, caliper expansion, together
When may be because that mud density is big and the reasons such as horizontal segment length, greatly increase casing tripping in frictional resistance, to make casing tripping in
It is extremely difficult to design well depth, it is how that casing is smoothly lower to scheduled position for this high frictional resistance wellbore, it studies both at home and abroad
A variety of solutions are proposed, such as: driving rotation, lift casing string in top；Circulating fluid, Cutting Disposal；Remove the borehole wall micro-
Rank, sand bridge, undergauge, chip off-falling etc. reduce frictional resistance and tubing string floating etc..These technical measures can partially solve setting of casing and be hampered
The problem of, but the shortcomings that have itself and applicable limitation, big position can not be solved and hung down frictional resistance well set higher than well, extended reach well etc.
Manage the technical problem of smooth tripping in.
Summary of the invention
To solve the problems, such as the high smooth tripping in of frictional resistance well bore casing, in view of the deficiencies of the prior art, the present invention provides one kind
Casing section pushes tripping in tool, circulating fluid structural segmented by casing string, realize remove the micro- step of the borehole wall, cutting bed,
Sand bridge, undergauge, chip off-falling etc. reduce casing tripping in frictional resistance, and under gravity on the basis of casing, real by hydraulic cylinder piston structure
Existing casing section pushes tripping in, further increases casing setting ability.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of casing section push tripping in tool, including Segmented expansion pipe nipple 2, pressure alteration device 3 and turbine motor 4, rotation
Guide shoe 5, in which:
The Segmented expansion pipe nipple 2 includes upper variable buckle connector 201, external splines cylinder 202, internal spline cylinder 204, lower variable buckle connector 205；
Wherein, upper 201 upper end of variable buckle connector is connect with casing 1, and upper 201 lower end of variable buckle connector is connect with 202 upper end of external splines cylinder；Outer flower
202 middle section inner wall of key cylinder is equipped with internal spline pair, and 202 lower end inner wall of external splines cylinder is equipped with suspension step；Outside 204 upper end of internal spline cylinder
Wall is equipped with suspension step, and 204 middle section outer wall of internal spline cylinder is equipped with external splines pair；External splines cylinder 202 passes through with internal spline cylinder 204
Inside and outside spline pair constitutes axial seal expansion fit, while external splines cylinder 202 and internal spline cylinder 204 are arranged by inside and outside wall
It hangs step and constitutes axial suspension cooperation；Lower 205 lower end of variable buckle connector is connect with internal spline cylinder 204, while axial by casing 1
Connect pressure alteration device 3；
The pressure alteration device 3 includes throttling rotor 301, throttling stator 302, transformation cavity shell 304,305 and of drive mandrel
Transmission shaft 306；Wherein, transformation cavity shell 304 is hollow cylinder, and upper end is connect by casing 1 with Segmented expansion pipe nipple 2, transformation
304 lower end of cavity shell is connect with turbine motor 4；The stator 302 that throttles is a short column body, and centre is equipped with axis hole, is set beside axis hole
There is circulation fluid flowing hole, the throttling sealing of stator 302 is fixed on 304 middle section of transformation cavity shell；Throttling 301 upper end of rotor is plate-like
Body, lower end are torsion transmission axles, and discoid body radial symmetric is disposed with macropore and aperture, and the discoid body of throttling rotor 301 is seated
The torsion transmission axle of the upper surface of throttling stator 302, throttling rotor 301 is inserted into the axis hole of throttling stator 302, throttling rotor
301 constitute rotatory sealing cooperation, while the mistake of the macropore for the rotor 301 that throttles and aperture and the stator 302 that throttles with throttling stator 302
Discharge orifice constitutes rotation steps cooperation；305 upper end of drive mandrel is connect with the torsion transmission axle extension end of throttling rotor 301, lower end
Outer wall is equipped with external splines pair；306 upper section inner wall of transmission shaft is equipped with the internal spline with throttling 301 lower end external splines pair of rotor cooperation
It is secondary；
The turbine motor 4 includes turbine shroud 405 and the turbine stator 402 and turbine stator that are fixed in turbine shroud 405
The turbine rotor 403 of 402 cooperations and the motor output shaft 401 being fixedly connected with turbine rotor 403；405 upper end of turbine shroud
It is connect with the transformation cavity shell 304 of pressure alteration device 3, the transmission shaft of motor output shaft 401 upper end and pressure alteration device 3
The connection of 306 lower ends, 401 lower end of motor output shaft are connect with rotary guide shoe 5, and connection top is equipped on motor output shaft 401
The by-pass prot of turbine stator 402 and 5 runner of 402 gap of turbine stator and rotary guide shoe.
Above scheme further comprises:
401 lower part of motor output shaft is axially confined in the box being made of bearing cap 408 and bearing cartridge 406 by plane bearing 407
In shape structure, this box like structure is fixedly connected by pressure friction with turbine shroud 405.
Multiple groups turbine rotor 403 is axially disposed on the motor output shaft 401 of the turbine motor 4, matched is more
Group turbine stator 402 is fixed on turbine shroud 405.
Supporting positive cover 409 is connected in 405 lower end inner wall of turbine shroud, 5 external wall of upper portion of rotary guide shoe is matched with the rotation of supporting positive cover 409
It closes.
The guide shoe segment of cutting of rotary guide shoe 5 uses micro- helical structure, arranges that PDC cutting tooth, gauge section use 45 ° of spiral knots
Structure, the nozzle direction of lower end is perpendicular to axis.
A step is set among transformation cavity shell 304, throttling stator 302 is mounted on step, and in 304 side of transformation cavity shell
Wall arranges a wall-through threaded hole, by limiting 303 fixed restriction stator 302 of threaded.
In the engaging portion of outer spline tube 202 and internal spline cylinder 204, seal combination 203 is set.
The present invention compared with the existing technology, have it is following the utility model has the advantages that
1 during setting of casing, is recycled by establishing, rotated using guide shoe remove the micro- step of the borehole wall, cutting bed, sand bridge, undergauge,
Chip off-falling etc. reduces casing tripping in frictional resistance, improves casing setting ability；
2 by establishing hydraulic cylinder piston structure, it can be achieved that the push tripping in of casing column sectional, sharp under gravity on the basis of casing
Casing setting ability is further increased with hydraulic coupling；
3 during cementing can excited cement slurry vibration, improve cementing quality；
4 turbine motors, pressure alteration device and guide shoe can bore, and can provide channel after boring for later period drilling well.
Detailed description of the invention
Fig. 1 is casing section push tripping in tool overall construction drawing；
Fig. 2 is sectional view at A-A in Fig. 1；
Fig. 3 is sectional view at B-B in Fig. 1.
In figure: casing 1, Telescopic short piece 2, upper variable buckle connector 201, external splines cylinder 202, seal combination 203, internal spline cylinder
204, lower variable buckle connector 205, pressure alteration device 3, throttling rotor 301, throttling stator 302, limit threaded 303, transformation chamber
Shell 304, drive mandrel 305, transmission shaft 306, turbine motor 4, motor output shaft 401, turbine stator 402, turbine rotor
403, overcurrent bearing 404, turbine shroud 405, bearing cartridge 406, plane bearing 407, bearing cap 408, supporting positive cover 409, rotation are drawn
Shoes 5.
Specific embodiment
Embodiment 1, as shown in Figure 1, a kind of casing section push tripping in tool that the present embodiment is mentioned, short by Segmented expansion
Section 2, pressure alteration device 3, turbine motor 4,5 four part of guide shoe composition.
Referring to Fig. 2, the Segmented expansion pipe nipple 2 include upper variable buckle connector 201, external splines cylinder 202, internal spline cylinder 204, under
Variable buckle connector 205.Wherein, upper 201 upper end of variable buckle connector passes through outer spiral shell by internal screw thread and casing 1, upper 201 lower end of variable buckle connector
Line is connect with 202 upper end of external splines cylinder；202 middle section inner wall of external splines cylinder is equipped with internal spline pair, and 202 lower end inner wall of external splines cylinder is set
There is suspension step；204 upper end outer wall of internal spline cylinder is equipped with suspension step, and 204 middle section outer wall of internal spline cylinder is equipped with external splines pair；Outside
Spline tube 202 and internal spline cylinder 204 by inside and outside spline pair composition axial seal expansion fit, while external splines cylinder 202 with it is interior
Spline tube 204 constitutes axial suspension cooperation by the suspension step that inside and outside wall is arranged；Lower 205 lower end of variable buckle connector and internal spline
Cylinder 204 connects, while passing through the axial connection pressure alteration device 3 of casing 1.
Referring to attached drawing 3, the pressure alteration device 3 include throttling rotor 301, throttling stator 302, transformation cavity shell 304,
Drive mandrel 305 and transmission shaft 306.Wherein, transformation cavity shell 304 is hollow cylinder, after upper end passes through internal screw thread connecting sleeve 1
It is connect with Segmented expansion pipe nipple 2,304 lower end of transformation cavity shell is connect by external screw thread with turbine motor 4；Throttling stator 302 be
One short column body, centre are equipped with axis hole, and circulation fluid flowing hole is equipped with beside axis hole, and the throttling sealing of stator 302 is fixed on transformation chamber
304 middle section of shell；Throttling 301 upper end of rotor is discoid body, and lower end is torsion transmission axle, and discoid body radial symmetric is disposed with macropore
And aperture, the discoid body of throttling rotor 301 are seated the upper surface of throttling stator 302, the torsion transmission axle of throttling rotor 301 is inserted
Enter to throttle stator 302 axis hole in, throttling rotor 301 and throttling stator 302 constitute rotatory sealing cooperation, while the rotor that throttles
301 macropore and aperture and the flowing hole of throttling stator 302 constitute rotation steps cooperation；305 upper end of drive mandrel passes through left-hand thread
Connection screw thread is connect with the torsion transmission axle extension end of throttling rotor 301, and lower end outer wall is equipped with external splines pair；On transmission shaft 306
Section inner wall is equipped with the internal spline pair with throttling 301 lower end external splines pair of rotor cooperation, and 306 lower end inside of transmission shaft is left-hand thread connection
Screw thread is threadedly coupled with turbine motor output shaft 401, the external splines pair and 306 internal spline pair of transmission shaft of 305 lower end of drive mandrel
It is in axial sliding connection.
The turbine motor 4 includes turbine shroud 405 and the turbine stator 402 and turbine that are fixed in turbine shroud 405
The turbine rotor 403 that stator 402 cooperates and the motor output shaft 401 being fixedly connected with turbine rotor 403.Turbine shroud 405
Upper end is threadedly coupled with the transformation cavity shell 304 of pressure alteration device 3,401 upper end of motor output shaft and pressure alteration device 3
The connection of 306 lower thread of transmission shaft, 401 lower end of motor output shaft are threadedly coupled with rotary guide shoe 5, and in motor output shaft 401
It is equipped with the by-pass prot of connection top turbine stator 402 and 5 runner of 402 gap of turbine stator and rotary guide shoe.
Above-described embodiment further comprises:
401 lower part of motor output shaft is axially confined in the box being made of bearing cap 408 and bearing cartridge 406 by plane bearing 407
In shape structure, this box like structure is fixedly connected by pressure friction with turbine shroud 405.
Multiple groups turbine rotor 403 is axially disposed on the motor output shaft 401 of the turbine motor 4, matched is more
Group turbine stator 402 is fixed on turbine shroud 405.
Supporting positive cover 409 is connected in 405 lower end inner wall of turbine shroud, 5 external wall of upper portion of rotary guide shoe is matched with the rotation of supporting positive cover 409
It closes.
The guide shoe segment of cutting of rotary guide shoe 5 uses micro- helical structure, arranges that PDC cutting tooth, gauge section use 45 ° of spiral knots
Structure, the nozzle direction of lower end is perpendicular to axis.
A step is set among transformation cavity shell 304, throttling stator 302 is mounted on step, and in 304 side of transformation cavity shell
Wall arranges a wall-through threaded hole, by limiting 303 fixed restriction stator 302 of threaded.
In the engaging portion of outer spline tube 202 and internal spline cylinder 204, seal combination 203 is set.
Exemplary embodiments, in conjunction with attached drawing 1-3, a kind of casing section push tripping in tool, by Segmented expansion pipe nipple 2, pressure
Converting means 3, turbine motor 4,5 four part of guide shoe composition.Segmented expansion pipe nipple is according to wellbore frictional resistance forecast of distribution situation, connection
At away from casing string end certain position, dividing casing string is top gravity tripping in section and lower thrust tripping in section, and is become with pressure
Changing device collectively constitutes hydraulic cylinder piston structure, and the outer cylinder of Telescopic short piece and the casing of upper part are equivalent to hydraulic piston structure
The connected casing in cylinder, Telescopic short piece inner cylinder and its underpart and pressure alteration device are equivalent to piston, and casing string end successively connects
Pressure alteration device, turbine motor and rotary guide shoe are connect, on the basis of entire casing string transfers to the limit by gravity, is passed through
Circulation is established, turbine motor drives rotary guide shoe to remove the micro- step of the borehole wall, cutting bed, sand bridge, undergauge, chip off-falling etc. and reduces under casing
Enter frictional resistance, while generating the liquid of high and low pressure transformation in hydraulic cylinder piston structure by pressure alteration device, when generation high pressure
When liquid, lower thrust transfers the tripping under hydraulic thrust effect of section casing, and top gravity transfers section casing hydraulic in piston
Relatively slack under hydraulic counter force and resistance collective effect power, Segmented expansion pipe nipple stretches out, when generating low pressure liquid, lower part
Thrust transfers section casing because frictional resistance is slack, and top gravity transfers the tripping under the effect of gravity of section casing, and Segmented expansion is short
Section retracts, and with the transformation that fluid pressure in hydraulic cylinder piston structure is high and low, casing is continuously finished push tripping in, until entire
The smooth tripping in predetermined depth of casing string.
Wherein, Telescopic short piece 2 include upper variable buckle connector 201, external splines cylinder 202, seal combination 203, internal spline cylinder 204,
Lower variable buckle connector 205；Pressure alteration device 3 includes throttling rotor 301, throttling stator 302, limit threaded 303, transformation chamber shell
Body 304, drive mandrel 305, transmission shaft 306；Turbine motor 4 includes motor output shaft 401, turbine stator 402, turbine rotor
403, overcurrent bearing 404, turbine shroud 405, bearing cartridge 406, plane bearing 407, bearing cap 408, supporting positive cover 409.
Telescopic extension pipe nipple 2 divides casing string to be that top gravity transfers section and lower thrust transfers section, and fills with pressure alteration
It sets 3 and collectively constitutes hydraulic cylinder piston structure, in the case where entire casing string transfers to the limit by gravity, followed by establishing
Ring, pressure alteration device 3, which clears up the borehole wall by rotary guide shoe 5, reduces casing tripping in frictional resistance, while passing through hydraulic cylinder piston structure
Realize that casing section pushes tripping in.
It is to be threadedly coupled to buckle on the inside of 202 upper end of external splines cylinder of the Segmented expansion pipe nipple 2, intermediate inside is internal spline
Pair, lower end inside are suspension steps, are suspension step on the outside of 204 upper end of internal spline cylinder, and intermediate outside is external splines pair, outside lower end
Side is connection screw thread button, and external splines cylinder 202 is connect with 204 free-sliding spline of internal spline cylinder, it can be achieved that flexible, suspension and transmitting torque
Etc. functions.
It is internal spline pair on the inside of 3 transmission shaft of pressure alteration device, 306 upper end, lower end inside is left-hand thread connection screw thread,
It is threadedly coupled with turbine motor output shaft 401, is left-hand thread connection screw thread on the inside of 305 upper end of drive mandrel, lower end outside is outer flower
Key pair is slidably connected with 306 internal spline of transmission shaft, and throttling 301 upper end of rotor is discoid body, and lower end is torsion transmission axle, plate-like
Body radial symmetric is disposed with macropore and aperture, and torsion transmission axle is threadedly coupled with drive mandrel 305.The stator 302 that throttles is one
Short column body, centre are axis holes, and axis hole is next to circulation fluid flowing hole, and axis hole and throttling rotor 301 reverse transmission axle cooperation, throttling
302 upper surface of stator is engaged with throttling 301 lower end surface of rotor.It is casing threads on the inside of 304 upper end of transformation cavity shell, it is intermediate
It is a step, for installing throttling stator 302, mesa sidewall arranges a wall-through threaded hole, for installing limit threaded 303
Fixed restriction stator 302.In opposite throttling 302 rotation process of stator of throttling rotor 301, throttle aperture on rotor 301 and
Circulation fluid flowing hole of the macropore alternately and on throttling stator 302 is coaxial, the area of passage of tubing string circulation fluid therewith it is minimum with most
It is converted between big, the circulating fluid pressure in transformation cavity shell 304 is caused to convert between high and low pressure with respect to annular space.
Axially being disposed with multiple groups on 4 motor output shaft 401 of turbine motor includes turbine rotor 403 and turbine stator
402 turbine section, turbine rotor 403 are fixed on motor output shaft 401, can be rotated with motor output shaft 401, turbine stator
402 are fixed on turbine shroud 405, and 401 lower part of motor output shaft is axially confined in by plane bearing 407 by bearing cap 408
In the box like structure formed with bearing cartridge 406, this box like structure is fixedly connected by pressure friction with turbine shroud 405, works as brill
When well liquid flows through tool turbine section inner cavity, hydraulic drive motor output shaft 401 is rotated.
The rotary guide shoe 5, the upper end are connect by screw thread with turbine motor output shaft 401, and guide shoe segment of cutting is using micro-
Helical structure arranges PDC cutting tooth, is conducive to the drilling being hampered with shrinkage section, and gauge section uses 45 ° of helical structures, favorably
It is recycled in the righting of tool and landwaste, the nozzle direction of 5 lower end of rotary guide shoe is conducive to the rotation cleaning borehole wall perpendicular to axis.
A kind of casing section that the present invention mentions pushes tripping in tool, and the use process is as follows: in casing rod structure,
Pressure alteration device 3, turbine motor 4 and rotary guide shoe 5 are connected to casing string end in turn, and Segmented expansion pipe nipple 2 is according to wellbore
Frictional resistance forecast of distribution situation is connected to away from the certain position of casing string end, dividing casing string to be that top gravity transfers section and lower part
Thrust transfers section, and collectively constitutes hydraulic cylinder piston structure with pressure alteration device 3, transfers in entire casing string by gravity
It when the limit, is recycled by establishing, turbine becomes the rotary guide shoe 5 that motor 4 is drivingly connected in lower end and removes the micro- step of the borehole wall, landwaste
Bed, sand bridge, undergauge, chip off-falling etc. reduce casing tripping in frictional resistance, meanwhile, turbine becomes the drive connection of motor 4 in the pressure alteration of upper end
Device generates the pressure of high and low transformation, and the hydraulic cylinder piston structure constituted with casing string realizes that casing pushes tripping in jointly.Specifically
Process is: when generating highly pressurised liquid in pressure alteration device, lower thrust transfers section casing in hydraulic cylinder piston thrust
Under overcome the further tripping in of resistance, top gravity transfers that section casing is opposite under piston hydraulic pressure counter-force and resistance collective effect power to stop
Only motionless, 2 internal spline cylinder 204 of Segmented expansion pipe nipple stretches out, when generating low pressure liquid in pressure alteration device, under lower thrust
Section casing is put because frictional resistance is slack, top gravity transfers the tripping under the effect of gravity of section casing, and Segmented expansion pipe nipple 2 contracts
It returns, with the transformation that fluid pressure in pressure alteration device is high and low, casing is single to be continuously finished push tripping in, until entire set
The smooth tripping in predetermined depth of tubing string.
Claims (7)
1. a kind of casing section pushes tripping in tool, including Segmented expansion pipe nipple (2), pressure alteration device (3) and turbine motor
(4), rotary guide shoe (5), it is characterized in that:
The Segmented expansion pipe nipple (2) includes upper variable buckle connector (201), external splines cylinder (202), internal spline cylinder (204), lower variable buckle
Connector (205)；Wherein, upper variable buckle connector (201) upper end is connect with casing (1), upper variable buckle connector (201) lower end and external splines cylinder
(202) upper end connects；External splines cylinder (202) middle section inner wall is equipped with internal spline pair, and external splines cylinder (202) lower end inner wall is equipped with suspension
Step；Internal spline cylinder (204) upper end outer wall is equipped with suspension step, and internal spline cylinder (204) middle section outer wall is equipped with external splines pair；Outer flower
Key cylinder (202) constitutes axial seal expansion fit, while external splines cylinder (202) by inside and outside spline pair with internal spline cylinder (204)
Axial suspension is constituted by the suspension step that inside and outside wall is arranged with internal spline cylinder (204) to cooperate；Lower variable buckle connector (205) lower end
It is connect with internal spline cylinder (204), while passing through casing (1) axially connection pressure alteration device (3)；
The pressure alteration device (3) includes throttling rotor (301), throttling stator (302), transformation cavity shell (304), transmission core
Axis (305) and transmission shaft (306)；Wherein, transformation cavity shell (304) is hollow cylinder, and upper end passes through casing (1) and Segmented expansion
Pipe nipple (2) connection, transformation cavity shell (304) lower end is connect with turbine motor (4)；Throttling stator (302) is a short column body, in
Between be equipped with axis hole, circulation fluid flowing hole is equipped with beside axis hole, throttling stator (302) sealing is fixed in transformation cavity shell (304)
Section；Throttling rotor (301) upper end is discoid body, and lower end is torsion transmission axle, and discoid body radial symmetric is disposed with macropore and aperture,
The discoid body of throttling rotor (301) is seated the upper surface of throttling stator (302), and the torsion transmission axle of throttling rotor (301) is inserted
In the axis hole for entering the stator that throttles (302), throttles rotor (301) and throttling stator (302) constitutes rotatory sealing cooperation, throttle simultaneously
The macropore and aperture of rotor (301) and the flowing hole of throttling stator (302) constitute rotation steps cooperation；In drive mandrel (305)
It holds and is connect with the torsion transmission axle extension end of throttling rotor (301), lower end outer wall is equipped with external splines pair；Transmission shaft (306) upper section
Inner wall is equipped with the internal spline pair with throttling rotor (301) lower end external splines pair cooperation；
The turbine motor (4) include turbine shroud (405) and the turbine stator (402) being fixed in turbine shroud (405), with
The turbine rotor (403) of turbine stator (402) cooperation and the motor output shaft being fixedly connected with turbine rotor (403)
(401)；Turbine shroud (405) upper end is connect with the transformation cavity shell (304) of pressure alteration device (3), motor output shaft (401)
Upper end is connect with transmission shaft (306) lower end of pressure alteration device (3), and motor output shaft (401) lower end and rotary guide shoe (5) are even
It connects, and is equipped with connection top turbine stator (402) on motor output shaft (401) and draws with turbine stator (402) gap and rotation
The by-pass prot of shoes (5) runner.
2. casing section according to claim 1 pushes tripping in tool, it is characterized in that: motor output shaft (401) lower part is logical
It crosses plane bearing (407) to be axially confined in the box like structure being made of bearing cap (408) and bearing cartridge (406), this box-like knot
Structure is fixedly connected by pressure friction with turbine shroud (405).
3. casing section according to claim 2 pushes tripping in tool, it is characterized in that: the motor of the turbine motor (4)
It is axially disposed on output shaft (401) multiple groups turbine rotor (403), matched multiple groups turbine stator (402) is fixed on whirlpool
It takes turns on shell (405).
4. casing section according to claim 1,2 or 3 pushes tripping in tool, it is characterized in that: under turbine shroud (405)
Hold inner wall connection supporting positive cover (409), rotary guide shoe (5) external wall of upper portion and supporting positive cover (409) rotatable engagement.
5. casing section according to claim 1,2 or 3 pushes tripping in tool, it is characterized in that: the guide shoe of rotary guide shoe (5)
Segment of cutting uses micro- helical structure, arranges PDC cutting tooth, and gauge section uses 45 ° of helical structures, the nozzle direction of lower end perpendicular to
Axis.
6. casing section according to claim 1,2 or 3 pushes tripping in tool, it is characterized in that: in transformation cavity shell (304)
Between set a step, throttling stator (302) is mounted on step, and arranges a wall-through screw thread in transformation cavity shell (304) side wall
Hole, by limiting threaded (303) fixed restriction stator (302).
7. casing section according to claim 1,2 or 3 pushes tripping in tool, it is characterized in that: outer spline tube (202) with
Seal combination (203) are arranged in the engaging portion of internal spline cylinder (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065587.2A CN110067524A (en) | 2018-01-23 | 2018-01-23 | A kind of casing section push tripping in tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065587.2A CN110067524A (en) | 2018-01-23 | 2018-01-23 | A kind of casing section push tripping in tool |
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| CN110067524A true CN110067524A (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810065587.2A Pending CN110067524A (en) | 2018-01-23 | 2018-01-23 | A kind of casing section push tripping in tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439484A (en) * | 2019-08-19 | 2019-11-12 | 陕西固德石油工程有限公司 | A kind of impact rotation reaming formula guide shoe device |
| CN110513080A (en) * | 2019-08-12 | 2019-11-29 | 大庆油田有限责任公司 | Tube inner wall hydraulic rotating on-line cleaning device |
| CN112227957A (en) * | 2020-09-15 | 2021-01-15 | 长江大学 | Self-adaptation turbine guide shoe instrument that can bore |
| CN116771298A (en) * | 2023-08-17 | 2023-09-19 | 西南石油大学 | Hydraulic control synchronous telescopic torque-variable type oil-gas well casing shaping tool |
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| CN116771298B (en) * | 2023-08-17 | 2023-10-24 | 西南石油大学 | Hydraulic control synchronous telescopic torque-variable type oil-gas well casing shaping tool |
| CN117365329A (en) * | 2023-11-21 | 2024-01-09 | 北京佰文恒新能源服务有限公司 | Downhole turbine driving sleeve shoe system |
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