CN107489387A - A kind of novel hydraulic reverse buckling equipment - Google Patents
A kind of novel hydraulic reverse buckling equipment Download PDFInfo
- Publication number
- CN107489387A CN107489387A CN201710937485.0A CN201710937485A CN107489387A CN 107489387 A CN107489387 A CN 107489387A CN 201710937485 A CN201710937485 A CN 201710937485A CN 107489387 A CN107489387 A CN 107489387A
- Authority
- CN
- China
- Prior art keywords
- piston
- ratchet
- slips
- stage piston
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004873 anchoring Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 16
- 210000003746 feather Anatomy 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 238000010422 painting Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000007751 thermal spraying Methods 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
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)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of novel hydraulic reverse buckling equipment, including anchoring device, pressue device, power transmission and PTO, anchoring device bottom is arranged to add to the pressue device of pressure, pressue device bottom is provided for the power transmission of power transmission, and PTO bottom sets the PTO that hydraulic coupling exports；Compared with prior art, hydraulic-driven is used as driving force, using axial line shaft, quick change driving head and rotary power axle as main powered actuation mechanism, axial line shaft and fast driving head are used into split-type structural, beneficial to the processing, replacing and maintenance of parts, power output is designed using double ratchet wheels group, inside and outside ratchet is separate, handle ratchet wheel is not influenceed by bottom rotary torque, the reversing torque that outer ratchet ensures to have occurred does not turn round, the reliable with safe of the instrument is ensure that, output torque is big, simple to operate.
Description
Technical field
The present invention relates to oil exploration equipment field, a kind of specifically hydraulic pressure for high-angle wells and horizontal wells falls
Button instrument.
Background technology
In recent years, with the continuous decay of the rapid development of China's economy and oil-gas field development and non-renewable resources,
In order to alleviate the situation that China's petroleum resources depends on import unduly, domestic each elephant is accelerated the exploration to petroleum resources and opened
Hair, in the development process of Oil/gas Well, the particularly oil mining later stage, it is necessary to implement well stimulation, repaiies operation/volume increase in brill and arranged
During applying, tubing string often occurs and meets card accident.Once card accident is met in generation, deal with and bother very much, increase duty cycle
And cost, severe patient cause pit shaft to scrap.
The conventional treatment measures of tubing string chance card have following several at present：First, by left-hand screw drill pipe to being carried out by stuck point position
Back-off processing；Second, stuck point position is cut using the mode of cutting；The technology third, explosion is released, fourth, planetary gear type
Mechanical reversing tool.In the operating process of reality, these technologies all have larger limitation.Such as：Left-hand screw drill pipe well site
It is not lay in, it is necessary to which independent preparation, its production cost and cost of transportation are all very high, take larger construction site.Moment of torsion
Transmitted from well head to shaft bottom, energy loss is very big while reduces the physical life of drilling rod；Tubing string can be made by the way of cutting
Into destruction, and limitation the problems such as due to space can make it that operating process is comparatively laborious；Breakouting pack of dynamite instrument is to a certain degree
On solve some site problems, it can preferably complete operation of releasing during a back-off operation, but secondary, three times
Etc. being unfavorable for operating very much in follow-up back-off operation engineering；Planetary gear reverse buckling equipment instrument, because tool sizes limit, planetary gear
Size all very littles, for intensity than relatively low, the output torque of whole instrument is smaller, it is impossible to meet high torque back-off operation will
Ask.At present, the back-off operation of high-angle wells and horizontal wells is the problem of a urgent need to resolve, and research and development one kind is applied to high angle hole
And the high pulling torque reversing tool of horizontal well seems particularly urgent.
The content of the invention
The purpose of the present invention aims to solve the problem that the deficiency present in above-mentioned prior art, anti-by hydraulic-driven tool bottom
Turn, realize back-off operation, solve that the energy loss that common reversing tool occurs during use at the scene is big, output torque
Small, the problems such as application is small, complex operation, while disclosure satisfy that the back-off operation demand of high-angle wells and horizontal wells.
The technical scheme adopted by the invention to solve the technical problem is that：A kind of novel hydraulic reverse buckling equipment, including grappling dress
Put, pressue device, power transmission and PTO, described anchoring device bottom are arranged to add to adding for pressure
Pressure device, described pressue device bottom are provided for the power transmission of power transmission, under described PTO
Portion sets the PTO that hydraulic coupling exports.
As optimization, described anchoring device include grappling top connection, slips cover, central tube, feather key, anchor and fall
Joint is buckled, described grappling top connection bottom is fixed with spring strut, and the lower end of the spring strut is provided with slips cover, described
Central tube is arranged on grappling top connection, the inside of slips cover, and central tube upper end and the lower end of grappling top connection inner via hole pass through spiral shell
Line is attached, and described feather key is located in central tube keyway, and is attached slips by holding screw and is arranged on slips
In cover rectangular through holes, described slips is provided with anchor block hole, and feather key is moved together with central tube in slips cover, institute
The anchoring device stated includes slips and anchor block, and described anchor block is arranged in anchor block hole, tight with tube wall by anchor block at work
Close connection；Central tube lower end, which is connected through a screw thread, is provided with back-off top connection；
As optimization, described pressue device includes valve pocket component, first stage piston group, flow control valve, axial line shaft, two level
Piston group, seal pipe, baffle plate, described valve pocket component bottom are provided with first stage piston group, and described second piston group is arranged on
The bottom of first stage piston group, described flow control valve is set between first stage piston group and second piston group, in first stage piston group
Seal pipe and baffle plate are additionally provided between second piston group；
As optimization, described power transmission includes rotary power axle, fast driving head, described axial line shaft lower end
For fast driving head, the lower end of fast driving head is spring baffle ring, axial line shaft, fast driving head, the inside of spring baffle ring
For rotary power axle, described rotary power axle top is provided with seal head, and seal head is located at rotary power axle upper end inner surface
Limited between the outer surface of seal pipe lower end by the upper shoulder of rotary power axle jump ring and rotary power axle upper end inner surface
Position；
As optimization, described PTO includes secondary spring housing, ratchet device and lower contact, described ratchet device
Including handle ratchet wheel group, outer ratchet I, outer ratchet II, outer ratchet spring and sealing inner joint and lower conversion head, described handle ratchet wheel group
Two-level spring set inside is arranged in, the handle ratchet wheel group upper end inner surface and lower end inner surface are provided with spline simultaneously
Used with the spline fitted of rotary power axle lower end outer surface, described sealing inner joint is arranged in rotary power axle lower end
Portion, the sealing inner joint lower end are provided with lower crossover sub, and described lower crossover sub outer surface is evenly distributed with 4 splines
Coordinated with handle ratchet wheel group spline, described lower crossover sub lower end is stuck in lower contact endoporus to be connected by screw thread
Connect, the outer surface of the lower crossover sub is disposed with outer ratchet I, outer ratchet II, outer ratchet spring, the outer ratchet I
Lower end is outer ratchet II, and the lower end of outer ratchet II is outer ratchet spring, the lower end that described outer ratchet spring passes through outer ratchet II
Face and the upper surface of lower contact carry out spacing.
As optimization, the inner surface setting of the slips has zigzag neck, the sawtooth with the lower external face of central tube
It is engaged in shape neck, the outer surface of described slips is the boss face of cylinder, is provided with the described boss face of cylinder and uniformly divides
The anchor block hole of cloth.
As optimization, described valve pocket component includes valve pocket, valve rod gear cap, valve rod and valve plate, described valve pocket and back-off
Top connection is connected through a screw thread, and described valve rod gear cap, valve rod and valve plate are arranged in valve pocket, the valve rod gear cap lower end and valve
Bar is threadedly coupled, and described valve plate is arranged between valve rod and valve pocket, and described valve rod is threadedly coupled with first stage piston group.
As optimization, described first stage piston group includes first stage piston set, first stage piston and connector, described valve rod and
First stage piston is threadedly coupled, and described first stage piston set bottom is provided with connector；The connector bottom is provided with axially dynamic
Power axle, described second piston group include second piston set, second piston, and described second piston is located at the interior of second piston set
Portion and sealed by star sealing ring, described axial line shaft is located at the inside of second piston set and upper end and two
Level piston bush between sealed by star sealing ring, between first stage piston and second piston by first stage piston lower end at
The screwed hole of groove and second piston upper end utilizes mode connects for screw, and the outer circular bead surface of second piston is interior with axial line shaft upper end
Circular bead surface is attached by screw thread；The first stage piston bottom is provided with seal pipe, passes through between first stage piston and seal pipe
Baffle plate shoulder be adjusted with it is spacing；Described flow control valve is arranged between first stage piston group and second piston group, described
First stage piston lower end inside be attached with bulb by screw thread, the bulb through baffle plate central through hole, the flow
Control valve spring is located at the outside of bulb and entered by nut and baffle limiting, the lower end of bulb by shoulder in seal pipe upper end
Row is spacing.
As optimization, described slips cover upper end is designed for shoulder, and the latter half of slips cover is provided with equally distributed 3
There is shoulder at individual rectangular through holes and 3 key groove shape through holes, the both ends of rectangular through holes, are respectively arranged with two shoulders and uniformly divide
The tapped through hole of cloth.
As optimization, sealed between described central tube and grappling top connection, slips cover by O-ring, central tube 3
Center section be provided with shoulder, the center section of central tube is provided with equally distributed 2 through holes, the lower half of central tube 3
Set up separately and be equipped with equally distributed 3 keyways, 2 tapped blind holes are provided with keyway,
As optimization, equally distributed 26 anchor block holes are provided with the boss face of cylinder of the slips.
As optimization, equally distributed 4 splines are provided with described second piston, are set again on each spline
There are equally distributed 6 through holes.
As optimization, described fast driving head upper surface is provided with equally distributed spline, fast driving head it is interior
Portion is provided with equally distributed helicla flute.
As optimization, described axial line shaft and fast driving head use split-type structural, processing beneficial to parts,
Change and repair, reduce cost, while carry out 12CoWC spray coating alloy processing on the contact surface, to reduce friction loss,
It is serious due to rubbing during back-off, easily damage.
The beneficial effects of the invention are as follows：Compared with prior art,
1st, a kind of novel hydraulic reverse buckling equipment of the invention, uses hydraulic-driven as driving force, with axial line shaft, quick change driving head
It is main powered actuation mechanism with rotary power axle, by the axial line shaft of former Integral design with fast driving head using split type
Structure, beneficial to the processing, replacing and maintenance of parts, cost is reduced, while carry out thermal spraying treatment on the contact surface, to subtract
Few frictional dissipation, it is serious due to rubbing during back-off, easily damage.
2nd, the present invention controls the stroke of hydraulic pressure back-off device by valve pocket component, and only need to continue pumping liquid on ground just can
Meet the continuous work requirements of instrument, operation is very easy.
3rd, the present invention devises flow control valve, is easy to clean top of fish, while can discharge intraluminal fluid when upper lifting pipe post
Body, avoid the pollution to well site surrounding enviroment.
4th, the present invention is designed using double ratchet wheels group, and inside and outside ratchet is separate, and handle ratchet wheel is not by the shadow of bottom rotary torque
Ring, the reversing torque that outer ratchet ensures to have occurred does not turn round, ensure that the instrument it is reliable with it is safe.
Novel hydraulic reverse buckling equipment output torque disclosed by the invention is big, it is simple to operate, have a wide range of application, particularly in level
There is big advantage in well and high angle hole.
Brief description of the drawings
Fig. 1 is hydraulic pressure back-off device structural representation；
Fig. 2 is A-A faces schematic cross-section；
Fig. 3 is slips and anchor block structural representation；
Fig. 4 is ratchet group structural representation；
Fig. 5 is axial line shaft and fast driving header structure schematic diagram；
1st, grappling top connection；2nd, spring strut；3rd, central tube；4th, slips cover；5th, feather key；6th, slips；7th, anchor block；8th, on back-off
Joint；9th, valve rod gear cap；10th, valve rod；11st, valve pocket；12nd, valve plate；13rd, first stage piston set；14th, first stage piston；15th, connector；
16th, bulb；17th, flow control valve；18th, baffle plate；19th, second piston；20th, seal pipe；21st, second piston set；22nd, axial power
Axle；23rd, seal head；24th, rotary power axle；25th, fast driving head；26th, spring baffle ring；27th, two-level spring set；28th, handle ratchet wheel
Group；29th, sealing inner joint；30th, outer ratchet I；31st, lower crossover sub；32nd, outer ratchet II；33rd, outer ratchet spring；34th, connect under
Head.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.Therefore, the reality of the invention to providing in the accompanying drawings below
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
With reference to shown in accompanying drawing 1-5, a kind of novel hydraulic reverse buckling equipment, including anchoring device, pressue device, power transmission
And PTO, described anchoring device include grappling top connection 1, slips cover 4, central tube 3, feather key 5, anchor and
Back-off top connection 8, the described bottom of grappling top connection 1 are fixed with spring strut 2, and the lower end of the spring strut 2 is provided with slips cover
4, the described upper end of slips cover 4 is provided with shoulder, and described central tube 3 is arranged on grappling top connection 1, the inside of slips cover 4, center
The upper end of pipe 3 and the lower end of the inner via hole of grappling top connection 1 are attached by screw thread, and described feather key 5 is located at the keyway of central tube 3
It is interior, and slips 6 is attached by holding screw and is arranged in the rectangular through holes of slips cover 4, described slips 6 is provided with anchor block
Hole, the feather key 5 are moved together with central tube 3 in slips cover 4, and described anchoring device includes slips 6 and anchor block
7, described anchor block 7 is arranged in anchor block hole, is closely connected with tube wall by anchor block 7 at work；The lower end of central tube 3 passes through spiral shell
Line is connected with back-off top connection 8；
Described pressue device includes valve pocket component, first stage piston group, flow control valve 17, axial line shaft 22, second piston
Group, seal pipe 20, baffle plate 18, described valve pocket component bottom are provided with first stage piston group, and described second piston group is arranged on
The bottom of first stage piston group, described flow control valve 17 is set between first stage piston group and second piston group, in first stage piston
Seal pipe 20 and baffle plate 18 are additionally provided between group and second piston group；
Described power transmission includes rotary power axle 24, fast driving first 25, and the described lower end of axial line shaft 22 is
Fast driving first 25, the lower end of fast driving first 25 are spring baffle ring 26, and axial line shaft 22, fast driving are first 25, spring catch
The inside of ring 26 is rotary power axle 24, and the described top of rotary power axle 22 is provided with seal head 23, and seal head 23 is positioned at rotation
Pass through the jump ring of rotary power axle 24 and rotary power axle between the upper end inner surface of rotatory force axle 24 and the lower end outer surface of seal pipe 20
The upper shoulder of 24 upper end inner surfaces carries out spacing；
Described PTO includes secondary spring housing 27, ratchet device and lower contact 34, and described ratchet device includes
Handle ratchet wheel group 28, outer ratchet I 30, outer ratchet II 32, outer ratchet spring 33 and sealing inner joint 29 and lower conversion head 31, it is described
Handle ratchet wheel group 28 is arranged in inside two-level spring set 27, and the upper end inner surface of handle ratchet wheel group 28 and lower end inner surface are equal
It is provided with spline and is used with the spline fitted of the lower end outer surface of rotary power axle 24, described sealing inner joint 29 is arranged on
Inside the lower end of rotary power axle 24, the lower end of sealing inner joint 29 is provided with lower crossover sub 31, described lower crossover sub
31 outer surfaces are evenly distributed with 4 splines and coordinated with the spline of handle ratchet wheel group 28, the described lower end card of lower crossover sub 31
Be attached in the endoporus of lower contact 34 by screw thread, the outer surface of the lower crossover sub 31 be disposed with outer ratchet I 30,
Outer ratchet II 32, outer ratchet spring 33, the lower end of the outer ratchet I 30 is outer ratchet II 32, and the lower end of outer ratchet II 32 is outer
Ratchet spring 33, described outer ratchet spring 33 are limited by the lower surface of outer ratchet II 32 and the upper surface of lower contact 34
Position.
The inner surface setting of the slips 6 has zigzag neck, in the zigzag neck of the lower external face of central tube 3
It is engaged, the outer surface of described slips 6 is the boss face of cylinder, and equally distributed anchor block is provided with the described boss face of cylinder
Hole,
Described valve pocket component includes valve pocket 11, valve rod gear cap 9, valve rod 10 and valve plate 12, and described valve pocket 11 on back-off with connecing
First 8 are connected through a screw thread, and described valve rod gear cap 9, valve rod 10 and valve plate 12 are arranged in valve pocket 11, under the valve rod gear cap 9
End is threadedly coupled with valve rod 10, and described valve plate 12 is arranged between valve rod 10 and valve pocket 11, and described valve rod 10 is lived with one-level
Plug group is threadedly coupled.
Described first stage piston group includes first stage piston set 13, first stage piston 14 and connector 15, the described He of valve rod 10
First stage piston 14 is threadedly coupled, and described first stage piston covers 13 bottoms and is provided with connector 15；The bottom of connector 15 is set
There is axial line shaft 22, described second piston group includes second piston set 21, second piston 19, described second piston 19
Sealed in the inside of second piston set 21 and by star sealing ring, described axial line shaft 22 is located at second piston
Sealed between the inside and upper end of set 21 and second piston set 21 by star sealing ring, first stage piston 14 and two level are lived
Mode connects for screw is utilized by the screwed hole of the groove at the lower end of first stage piston 14 and the upper end of second piston 19 between plug 19, two level is lived
The outer circular bead surface and the interior circular bead surface of the axial upper end of line shaft 22 of plug 19 are attached by screw thread；The bottom of first stage piston 14
Be provided with seal pipe 20, between first stage piston 14 and seal pipe 20 by the shoulder of baffle plate 18 be adjusted with it is spacing；Described stream
Control valve 17 is arranged between first stage piston group and second piston group, logical with bulb 16 inside the described lower end of first stage piston 14
Cross screw thread to be attached, the bulb 16 passes through the central through hole of baffle plate, and the flow control valve spring is located at the outer of bulb 16
Face is simultaneously spacing by nut and baffle plate 18, and the lower end of bulb 16 is spacing by shoulder progress in seal pipe upper end.
The described upper end of slips cover 4 is designed for shoulder, the latter half of slips cover 4 be provided with equally distributed 3 it is rectangular
There is shoulder at shape through hole and 3 key groove shape through holes, the both ends of rectangular through holes, equally distributed spiral shell are respectively arranged with two shoulders
Line through hole.
Sealed between described central tube 3 and grappling top connection 1, slips cover 4 by O-ring, the centre of central tube 3
Part is provided with shoulder, and the center section of central tube 3 is provided with equally distributed 2 through holes, and the latter half of central tube 3 is set
There are equally distributed 3 keyways, 2 tapped blind holes are provided with keyway, be provided with the boss face of cylinder of the slips 6 uniformly
26 anchor block holes of distribution, equally distributed 4 splines are provided with described second piston 19, are set again on each spline
It is equipped with equally distributed 6 through holes.
First 25 upper surface of described fast driving is provided with equally distributed spline, and the inside of fast driving first 25 is set
There is equally distributed helicla flute.Described axial line shaft uses split-type structural with fast driving head, beneficial to adding for parts
Work, replacing and maintenance, cost is reduced, while carry out spray coating alloy processing on the contact surface, to reduce friction loss, in back-off
During, it is serious due to rubbing, easily damage.
In the present embodiment, when arriving specified location under anchoring device, suppressed to the interior latus rectum of grappling top connection 1, pressure
Outflow promotes slips cover 4 to move upwards out of central tube 3 side opening, during motion slips 6 can be driven to move together simultaneously
And the contained spring of slips 6 be pressurized, this moment, slips 6 can be flared out and by the anchor block 7 on slips 6 tightly be anchored on sleeve pipe
On wall；When release, due to the effect of top tubing string gravity, the anchor block 7 on slips 6 can be caused the more to block the more tight；When flow exceedes
After certain value, flow control valve 17 will be closed, and now, a part of flow will be flowed out by the side opening of the lower end of valve rod 10,
Another part flow flows out from the side opening of the lower end of first stage piston 13 simultaneously, and the flow flowed out from the side opening of the lower end of valve rod 10 promotes
First stage piston 14 is descending and compression spring, the flow flowed out from the lower end side opening of first stage piston 14 promote second piston 19, seal pipe
20th, axial line shaft 22 moves downward, and drives that fast driving is first 25, spring baffle ring 26 moves downwardly together by axial line shaft 22
Compression spring, while drive rotary power axle 24 to be reversely rotated, rotary power axle 24 drives the upper ratchet of handle ratchet wheel group 28
Rotated, the upper ratchet of handle ratchet wheel group 28 drives the bottom ratchet wheel of handle ratchet wheel group 28 to be rotated, the bottom ratchet wheel of handle ratchet wheel group 28
Lower crossover sub 31 and lower contact 34 can be driven to rotate together, complete a back-off process.Under first stage piston 14, second piston 19
When row arrives bottom dead centre, stroke control valve, overpressure release are automatically opened up.First stage piston 14, second piston 19 are in spring force
Effect is lower to be resetted.When first stage piston 14, second piston 19 are up to top dead-centre, flow control valve is closed automatically.Walked more than repeating
Suddenly, next round back-off operation is completed.
First stage piston 14, second piston 19 reseting procedure in, the reaction torque of bottom tubing string is acted on by lower contact 34
On outer ratchet II 32, outer ratchet II 32 is acted on outer ratchet I 30, and outer ratchet I 30 acts on grappling by instrument outer tube and filled
Put.Because anchoring device is fixed on internal surface of sleeve pipe, it can not rotate, this process forces bottom tubing string can only Opposite side loading torsion
Square, to complete back-off operation.
The present invention novel hydraulic reverse buckling equipment, use hydraulic-driven as driving force, with axial line shaft, quick change driving head and
Rotary power axle is main powered actuation mechanism, and the axial line shaft of former Integral design and fast driving head are used into split type knot
Structure, beneficial to the processing, replacing and maintenance of parts, cost is reduced, while carry out on the contact surface at 12CoWC spray coating alloys
Reason, it is serious due to rubbing during back-off to reduce friction loss, easily damage.
The present invention controls the stroke of hydraulic pressure back-off device by valve pocket component, and only need to continue pumping liquid on ground can just expire
The continuous work requirements of sufficient instrument, operation is very easy.
The present invention devises flow control valve, is easy to clean top of fish, while liquid in pipe can be discharged when upper lifting pipe post,
Avoid the pollution to well site surrounding enviroment.
The present invention is designed using double ratchet wheels group, and inside and outside ratchet is separate, and handle ratchet wheel is not influenceed by bottom rotary torque,
The reversing torque that outer ratchet ensures to have occurred does not turn round, ensure that the instrument it is reliable with it is safe.
Novel hydraulic reverse buckling equipment output torque disclosed by the invention is big, it is simple to operate, have a wide range of application, particularly in level
There is big advantage in well and high angle hole.
Above-mentioned embodiment is only the specific case of the present invention, and scope of patent protection of the invention includes but is not limited to
The product form and style of above-mentioned embodiment, any art that meet claims of the present invention and any
The those of ordinary skill appropriate change or modification done to it, should all fall into the scope of patent protection of the present invention.
Claims (9)
1. a kind of novel hydraulic reverse buckling equipment, including anchoring device, pressue device, power transmission and PTO, its
It is characterised by：Described anchoring device includes grappling top connection, slips cover, central tube, feather key, is connect on anchor and back-off
Head, described grappling top connection bottom are fixed with spring strut, and the lower end of the spring strut is provided with slips cover, described central tube
Grappling top connection, the inside of slips cover are arranged on, central tube upper end and the lower end of grappling top connection inner via hole are carried out by screw thread
Connection, described feather key is located in central tube keyway, and by holding screw is attached slips to be arranged on slips cover rectangular
In shape through hole, described slips is provided with anchor block hole, and feather key is moved together with central tube in slips cover, described anchor
Determining device includes slips and anchor block, and described anchor block is arranged in anchor block hole, is closely connected with tube wall by anchor block at work；
Central tube lower end, which is connected through a screw thread, is provided with back-off top connection；Described anchoring device bottom is arranged to add to adding for pressure
Pressure device；Described pressue device bottom is provided for the power transmission of power transmission；Under described PTO
Portion set hydraulic coupling export PTO, described PTO include secondary spring housing, ratchet device and under
Joint, described ratchet device include handle ratchet wheel group, outer ratchet I, outer ratchet II, outer ratchet spring and sealing inner joint and lower turn
Head is changed, described handle ratchet wheel group is arranged in inside two-level spring set, in the handle ratchet wheel group upper end inner surface and lower end
Surface is provided with spline and used with the spline fitted of rotary power axle lower end outer surface, and described sealing inner joint is arranged on
Inside rotary power axle lower end, the sealing inner joint lower end is provided with lower crossover sub, described lower crossover sub outer surface
It is evenly distributed with spline with handle ratchet wheel group spline to be coordinated, described lower crossover sub lower end, which is stuck in lower contact endoporus, to be led to
Cross screw thread to be attached, the outer surface of the lower crossover sub is disposed with outer ratchet I, outer ratchet II, outer ratchet spring, institute
The lower end for stating outer ratchet I is outer ratchet II, and the lower end of outer ratchet II is outer ratchet spring, and described outer ratchet spring passes through outer
The lower surface of ratchet II and the upper surface of lower contact carry out spacing.
A kind of 2. novel hydraulic reverse buckling equipment according to claim 1, it is characterised in that：Described pressue device includes valve pocket
Component, first stage piston group, flow control valve, axial line shaft, second piston group, seal pipe, baffle plate, under described valve pocket component
Portion is provided with first stage piston group, and described second piston group is arranged on the bottom of first stage piston group, and described flow control valve is set
Put between first stage piston group and second piston group, seal pipe and gear are additionally provided between first stage piston group and second piston group
Plate.
A kind of 3. novel hydraulic reverse buckling equipment according to claim 2, it is characterised in that：Described power transmission includes
Rotary power axle, fast driving head, described axial line shaft lower end are fast driving head, and the lower end of fast driving head is spring
Baffle ring, axial line shaft, fast driving head, the inside of spring baffle ring are rotary power axle, and described rotary power axle top is set
Seal head is equipped with, seal head, which is located between rotary power axle upper end inner surface and the lower end outer surface of seal pipe 20, passes through rotary power
The upper shoulder of axle jump ring and rotary power axle upper end inner surface carries out spacing.
A kind of 4. novel hydraulic reverse buckling equipment according to claim 1, it is characterised in that：The inner surface setting of the slips has
Zigzag neck, with being engaged in the zigzag neck of the lower external face of central tube, the outer surface of described slips is boss
The face of cylinder, equally distributed anchor block hole is provided with the described boss face of cylinder.
A kind of 5. novel hydraulic reverse buckling equipment according to claim 2, it is characterised in that：Described valve pocket component includes valve
Set, valve rod gear cap, valve rod and valve plate, described valve pocket are connected through a screw thread with back-off top connection, described valve rod gear cap, valve rod
And valve plate is arranged in valve pocket, the valve rod gear cap lower end is connected with threaded stem, and described valve plate is arranged on valve rod and valve pocket
Between, described valve rod is threadedly coupled with first stage piston group.
A kind of 6. novel hydraulic reverse buckling equipment according to claim 2, it is characterised in that：Described first stage piston group includes one
Level piston bush, first stage piston and connector, described valve rod and first stage piston threaded connection, described first stage piston set bottom are set
It is equipped with connector；The connector bottom is provided with axial line shaft, and described second piston group includes second piston set, two level
Piston, described second piston are located at the inside of second piston set and sealed by star sealing ring, described axial direction
Line shaft is located at the inside of second piston set and sealed between upper end and second piston set by star sealing ring, one-level
Mode connects for screw is utilized by the screwed hole of the groove at first stage piston lower end and second piston upper end between piston and second piston,
The outer circular bead surface of second piston and the interior circular bead surface of axial line shaft upper end are attached by screw thread；The first stage piston bottom
Be provided with seal pipe, between first stage piston and seal pipe by baffle plate shoulder be adjusted with it is spacing；Described flow control valve
It is arranged between first stage piston group and second piston group, is connected inside described first stage piston lower end with bulb by screw thread
Connect, the bulb passes through the central through hole of baffle plate, and the flow control valve spring is located at the outside of bulb and passes through nut and gear
Plate is spacing, and the lower end of bulb is spacing by shoulder progress in seal pipe upper end.
A kind of 7. novel hydraulic reverse buckling equipment according to claim 4, it is characterised in that：On the boss face of cylinder of the slips
It is provided with 26 anchor block holes.
A kind of 8. novel hydraulic reverse buckling equipment according to claim 3, it is characterised in that：The fast driving head upper surface is set
Equally distributed spline is equipped with, fast driving head is internally provided with equally distributed helicla flute.
A kind of 9. novel hydraulic reverse buckling equipment according to claim 3, it is characterised in that：Described axial line shaft with it is quick
Driving head uses split-type structural, and the axial line shaft is with being coated with the painting of 12CoWC alloys in the contact Tooth of fast driving head
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937485.0A CN107489387B (en) | 2017-09-30 | 2017-09-30 | A kind of hydraulic pressure back-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937485.0A CN107489387B (en) | 2017-09-30 | 2017-09-30 | A kind of hydraulic pressure back-off device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107489387A true CN107489387A (en) | 2017-12-19 |
| CN107489387B CN107489387B (en) | 2018-08-10 |
Family
ID=60654375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710937485.0A Active CN107489387B (en) | 2017-09-30 | 2017-09-30 | A kind of hydraulic pressure back-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107489387B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042751A (en) * | 2019-11-25 | 2020-04-21 | 贵州高峰石油机械股份有限公司 | Pulse torsion reversing device for well repair |
| CN111058789A (en) * | 2018-10-16 | 2020-04-24 | 中国石油化工股份有限公司 | Underground hydraulic reversing device and method |
| CN117514163A (en) * | 2024-01-05 | 2024-02-06 | 贵州桥梁建设集团有限责任公司 | Rock mining device with dust removal function |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2597544B1 (en) * | 1986-04-22 | 1988-07-29 | Elf Aquitaine | ANCHORING DEVICE ON THE WALLS OF A WELL OF MEASUREMENT AND RECORDING EQUIPMENT |
| CN1415840A (en) * | 2002-08-07 | 2003-05-07 | 中国石化胜利油田有限公司采油工艺研究院 | Hydraulic inversive fastening set for well |
| CN201137469Y (en) * | 2007-12-20 | 2008-10-22 | 中国石化集团胜利石油管理局井下作业二公司 | Down-hole hydraulic reversing device |
| CN101761318A (en) * | 2010-02-25 | 2010-06-30 | 中国石油化工股份有限公司 | Underground hydraulic pressure back-off device |
| CN201567995U (en) * | 2009-07-31 | 2010-09-01 | 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 | Positive inverted back-off device assembly |
| CN103147700A (en) * | 2013-04-08 | 2013-06-12 | 盘锦勇盛利石油科技开发有限公司 | Hydraulic power reversing device |
| CN203905876U (en) * | 2014-06-13 | 2014-10-29 | 盘锦勇盛利石油科技开发有限公司 | Reverse buckling device |
| CN204113177U (en) * | 2014-10-13 | 2015-01-21 | 秦立松 | Hydraulic returnable back-off fisher |
-
2017
- 2017-09-30 CN CN201710937485.0A patent/CN107489387B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2597544B1 (en) * | 1986-04-22 | 1988-07-29 | Elf Aquitaine | ANCHORING DEVICE ON THE WALLS OF A WELL OF MEASUREMENT AND RECORDING EQUIPMENT |
| CN1415840A (en) * | 2002-08-07 | 2003-05-07 | 中国石化胜利油田有限公司采油工艺研究院 | Hydraulic inversive fastening set for well |
| CN201137469Y (en) * | 2007-12-20 | 2008-10-22 | 中国石化集团胜利石油管理局井下作业二公司 | Down-hole hydraulic reversing device |
| CN201567995U (en) * | 2009-07-31 | 2010-09-01 | 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 | Positive inverted back-off device assembly |
| CN101761318A (en) * | 2010-02-25 | 2010-06-30 | 中国石油化工股份有限公司 | Underground hydraulic pressure back-off device |
| CN103147700A (en) * | 2013-04-08 | 2013-06-12 | 盘锦勇盛利石油科技开发有限公司 | Hydraulic power reversing device |
| CN203905876U (en) * | 2014-06-13 | 2014-10-29 | 盘锦勇盛利石油科技开发有限公司 | Reverse buckling device |
| CN204113177U (en) * | 2014-10-13 | 2015-01-21 | 秦立松 | Hydraulic returnable back-off fisher |
Non-Patent Citations (1)
| Title |
|---|
| 徐克彬: "液压倒扣器在水平井、斜井修井中的应用", 《石油机械》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058789A (en) * | 2018-10-16 | 2020-04-24 | 中国石油化工股份有限公司 | Underground hydraulic reversing device and method |
| CN111042751A (en) * | 2019-11-25 | 2020-04-21 | 贵州高峰石油机械股份有限公司 | Pulse torsion reversing device for well repair |
| CN117514163A (en) * | 2024-01-05 | 2024-02-06 | 贵州桥梁建设集团有限责任公司 | Rock mining device with dust removal function |
| CN117514163B (en) * | 2024-01-05 | 2024-03-12 | 贵州桥梁建设集团有限责任公司 | Rock mining device with dust removal function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107489387B (en) | 2018-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107489387A (en) | A kind of novel hydraulic reverse buckling equipment | |
| CN101493000B (en) | Rotary jar | |
| CN202431261U (en) | Oil field horizontal well multi-section press cracking slide sleeve and opening tool | |
| CN104775760B (en) | Multi-hydraulic-cylinder driving type top-drive casing pipe feeding tool | |
| CN106761412A (en) | Drive casing appliances in the inner support external clamping top that a kind of annular hydraulic cylinder drives | |
| CN104712279B (en) | Coiled tubing hydraulic double-way jar | |
| CN202338315U (en) | Casing sliding sleeve capable of reducing diameter | |
| CN202500524U (en) | Hydraulic-pressure removable packer | |
| CN202338261U (en) | Repeated oil pipe plug | |
| CN105781464B (en) | Single-cylinder dual-action hydraulic drilling jar | |
| CN101979818B (en) | Hydraulic reshaper | |
| CN201610731U (en) | Casing milling and salvaging integrated control tool | |
| CN108868586A (en) | Blade-free mud motor | |
| CN208764358U (en) | A kind of novel hydropower alternation switch valve | |
| CN203081378U (en) | Hydraulic locking type flexible falling object fishing spear | |
| CN207064380U (en) | Double rod single-action hydraulic cylinders | |
| CN202544789U (en) | While-drilling jar | |
| CN207110959U (en) | A kind of oil drilling coupled surge device | |
| CN201943597U (en) | Hydraulic safety connector | |
| CN214221131U (en) | Bidirectional hydraulic jar for coiled tubing | |
| CN205277350U (en) | Oil well multistage hydraulic sleeve pipe prosthetic devices | |
| CN2869304Y (en) | Screw drilling tool bypass valve | |
| CN205558852U (en) | Two effect fluid pressure type drilling jars of single cylinder | |
| CN209339883U (en) | A kind of hydraulic dauer effect formula flow controller unsealing tool | |
| CN207144896U (en) | Plugging while drilling short-circuit device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190911 Address after: 257000 No. two, 233 South Road, Shandong, Dongying Patentee after: SHANDONG KERUI PETROLEUM EQUIPMENT CO., LTD. Address before: 257000 No. two, 233 South Road, Dongying District, Shandong, Dongying Patentee before: SHANDONG SHENGLI PETROLEUM EQUIPMENT INDUSTRY TECHNOLOGY RESEARCH INSTITUTE |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200710 Granted publication date: 20180810 |