CN106014316B - Shock resistance underground screw impulse generator - Google Patents
Shock resistance underground screw impulse generator Download PDFInfo
- Publication number
- CN106014316B CN106014316B CN201610361558.1A CN201610361558A CN106014316B CN 106014316 B CN106014316 B CN 106014316B CN 201610361558 A CN201610361558 A CN 201610361558A CN 106014316 B CN106014316 B CN 106014316B
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- flexible link
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- 230000035939 shock Effects 0.000 title claims abstract description 20
- 238000012856 packing Methods 0.000 claims abstract description 25
- 230000007423 decrease Effects 0.000 claims description 7
- 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 2
- 238000009434 installation Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
- E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
- E21B47/20—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry by modulation of mud waves, e.g. by continuous modulation
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Details Of Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The present invention provides a kind of shock resistance underground screw impulse generators, including shell, locking nut, clamp nut, up-thrust bearing, lower thrust-bearing, flexible link, stator packing element, hollow rotor, dynamic valve disc, quiet valve disc, the flexible link is set to the inside of the shell, flexible link includes disc-shaped structure, the disc-shaped structure is equipped with several tap holes, the lower thrust-bearing is set to the lower section of the disc-shaped structure, the up-thrust bearing is set to the top of the disc-shaped structure, the clamp nut is set to the top of up-thrust bearing, the locking nut is set to the top of clamp nut, the hollow rotor is set to the inside of the stator packing element, the lower end of the flexible link is fixed on hollow rotor, the dynamic valve disc is located at the lower section of hollow rotor.The dynamic valve disc of shock resistance underground screw impulse generator of the present invention and the gap of quiet valve disc are adjustable, are conducive to complete machine installation and debugging.
Description
Technical field
The invention belongs to petroleum technology fields, more particularly, to a kind of shock resistance underground screw impulse generator.
Background technique
During oil drilling directional drilling, rotary power is provided for drill bit by down-hole motor, drill string is quiet with respect to the borehole wall
Only.Drill string increases drill string axial rub resistance the contact pressure of the borehole wall, rotation torque increases.Drill string frictional resistance runs up to one
Fixed number value then makes the gravity (bit pressure) of downhole assembly that cannot be effectively passed to drill bit, can not normally creep into, while may
Cause drill string limitation to destroy and cause down-hole accident.
Pressure oscillation when drilling well inside drill string can provide vibration for drill string, to keep drilling tool longitudinal quiet with the borehole wall
Friction becomes dynamic friction, effectively reduces the frictional resistance between drill string and wellbore, load transfer is effective in raising drilling process
Property.The pressure oscillation main source inside drill string is the uneven feed flow of surface mud pump at present.By drill assembly and brill
The influence of well depth, the frequency of pressure oscillation are unable to control and efficiently use with amplitude.Downhole pulser can additionally be
Periodic pressure fluctuation is provided inside drill string, so that the friction between extended reach well and drillstring in horizontal section and the borehole wall effectively be overcome to hinder
Power reduces the torque between drill string and the borehole wall, avoids the generation of lock of tool drilling, can increase substantially drilling efficiency.
Impulse generator using screw rod as dynamical element drives valve disc rotation by screw motor as power source,
Make overflow section product generating period variation, can produce periodic pressure fluctuation, have the characteristics that structure is simple.However conventional
Due to determining valve disc, direct friction contacts screw impulse generator at work with dynamic valve disc, and valve disc is usually by hard alloy or pottery
The material that the hardness such as porcelain are high, brittleness is strong is made, and has the disadvantage in that 1, rotor lacks radial mechanical restriction, in stator case
It is had enough to meet the need while rotation along central axis, drives generation between valve disc unevenly to radially contact with impact, shorten the working life.2,
Rotor lacks axial mechanical restriction, periodic vibration can be generated along axis under the action of periodic pressure variation, to drive
Uneven radial impact is generated between valve disc, is shortened the working life.
Summary of the invention
In view of this, the present invention is directed to propose a kind of shock resistance underground screw impulse generator, effectively avoided because of the period
Property axially loaded cause axially position failure.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of shock resistance underground screw impulse generator, including shell, locking nut, clamp nut, up-thrust bearing,
Lower thrust-bearing, flexible link, stator packing element, hollow rotor, dynamic valve disc, quiet valve disc, the flexible link are set to described outer
The inside of shell, flexible link include disc-shaped structure, which is equipped with several tap holes, the lower thrust-bearing
It is set to the lower section of the disc-shaped structure, the up-thrust bearing is set to the top of the disc-shaped structure, the compression
Nut is set to the top of up-thrust bearing, and the locking nut is set to the top of clamp nut, the hollow rotor
It is set to the inside of the stator packing element, the lower end of the flexible link is fixed on hollow rotor, the dynamic valve disc position
In the lower section of hollow rotor, the quiet valve disc is set to the lower section of dynamic valve disc, and the seat of valve is set under quiet valve disc
Side.The up-thrust bearing is identical as the structure of lower thrust-bearing.
Further, the flexible link includes disc-shaped structure, rod-like structure, and disc-shaped structure is fixed on rod-like structure
The bottom end on top, the rod-like structure is fixed on hollow rotor；The top of the rod-like structure is in cone shape；It is described
Tap hole annular spread on the disc-shaped structure；The top and bottom of the disc-shaped structure are equipped with step
Hole.Limit of the stepped hole for bearing is fixed.
Further, the shell includes top connection, upper outer cylinder, shell, lower contact, and the top connection is set to outer
The top of cylinder, upper outer cylinder are set to the outside of the flexible link, and the shell is located at the lower section of the upper outer cylinder, shell
It is set to the outside of the stator packing element, the lower contact is located at the lower section of shell.
Further, it is provided with concave card slot on the inner wall of the upper outer cylinder, the lower thrust-bearing is located at the spill
The inside of card slot；The up-thrust bearing and the lower thrust-bearing, which limit the disc-shaped structure of flexible link, is fixed on institute
The inside for the concave card slot stated.
Further, the dynamic valve disc is the rotary structure of the stepped increasing diameter in outside, and dynamic valve disc is equipped with
Dynamic valve disc eccentric orfice；The quiet valve disc is the rotary structure that the stepped diameter in outside successively decreases, the centre bit of quiet valve disc
Quiet valve disc through-hole is installed.
Further, it is provided with seat of valve below the quiet valve disc, the seat of valve is connected with the lower contact；
The seat of valve is the rotary structure that the stepped diameter in outside successively decreases, and the center of seat of valve is provided with through-hole,
The through-hole is identical as the diameter of quiet valve disc through-hole.
Further, adjustment gasket is provided between the seat of valve and lower contact；The adjustment gasket is annular in shape
Structure.The outside setting of the seat of valve is fluted, and sealing ring is provided in groove.
It further, is left-hand screw structure on the outside of the upper end of the hollow rotor, lower end outside is cylindrical structure；Described
The top and bottom of hollow rotor are equipped with blind hole；The length of the blind hole positioned at hollow rotor upper end is greater than the position
In the length of the blind hole of hollow rotor lower end；The flexible link is placed through the blind hole of hollow rotor upper end, and is fixed on
On idle running；The hole wall of the blind hole positioned at hollow rotor lower end is equipped with several perpendicular with axial direction logical
Hole；The inside of the stator packing element is inside spin shape structure.
Further, the left-hand screw structure of the hollow rotor and the inside spin shape structure of stator packing element are intermeshed.Institute
The stator packing element and shell stated are integrally formed.
Further, the middle position of the locking nut is provided with through-hole；The upper end of the inside of the locking nut is
Pyramidal structure；The middle position of the clamp nut is provided with through-hole；The lower end of the clamp nut is provided with flange.
Compared with the existing technology, shock resistance underground screw impulse generator of the present invention has following advantage:
(1) the dynamic valve disc of shock resistance underground screw impulse generator of the present invention and hollow rotor are by flexible link
Constraint, axial movement suffers restraints, and with quiet valve disc there are certain interval, both prevents directly contact, avoids in the period
Property pressure change under the action of can cause uneven axially contact impact is generated between quiet valve disc, avoid dynamic valve disc and
The impact grinding of quiet valve disc, can be improved run stability and reliability；The dynamic constraint of valve disc and hollow rotor by flexible link,
Radial motion is restricted, and avoids generating uneven radial impact between quiet valve disc, causes the two eccentric wear, while anti-stop valve
Disk collides in circular motion with enclosure interior damage；To the axial constraint of flexible link, double nut loosening configuration is used
(locking nut, clamp nut), it is possible to prevente effectively from because the axially position that periodical axially loaded causes fails.
(2) gap of the dynamic valve disc and quiet valve disc of shock resistance underground screw impulse generator of the present invention is adjustable
It is whole, it is conducive to complete machine installation and debugging.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of shock resistance underground screw impulse generator described in the embodiment of the present invention；
Fig. 2 is the schematic diagram in the face flexible link A-A described in the embodiment of the present invention；
Fig. 3 is schematic diagram when the eccentric orfice of dynamic valve disc described in the embodiment of the present invention and quiet valve disc through-hole are overlapped；
Fig. 4 is schematic diagram when the eccentric orfice of dynamic valve disc described in the embodiment of the present invention and quiet valve disc through-hole are staggered.
Description of symbols:
1- top connection；The upper outer cylinder of 2-；3- locking nut；4- clamp nut；5- up-thrust bearing；6- lower thrust-bearing；7-
Flexible link；8- shell；9- stator packing element；10- hollow rotor；11- moves valve disc；The quiet valve disc of 12-；13- seat of valve；14- adjusting pad
Piece；15- sealing ring；16- lower contact；17- moves valve disc eccentric orfice；The quiet valve disc through-hole of 18-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figs 1-4, a kind of shock resistance underground screw impulse generator, including shell, locking nut 3, compression spiral shell
Mother 4, up-thrust bearing 5, lower thrust-bearing 6, flexible link 7, stator packing element 9, hollow rotor 10, dynamic valve disc 11, quiet valve disc 12, institute
The flexible link 7 stated is set to the inside of the shell, and flexible link 7 includes disc-shaped structure, if the disc-shaped structure is equipped with
Dry tap hole, the lower thrust-bearing 6 are set to the lower section of the disc-shaped structure, and the up-thrust bearing 5 is set to
The top of the disc-shaped structure, the clamp nut 4 are set to the top of up-thrust bearing 5, and the locking nut 3 is arranged
In the top of clamp nut 4, the hollow rotor 10 is set to the inside of the stator packing element 9, the flexible link 7
Lower end is fixed on hollow rotor 10, and the dynamic valve disc 11 is located at the lower section of hollow rotor 10, and the quiet valve disc 12 is arranged
In the lower section of dynamic valve disc 11, the seat of valve 13 is set to the lower section of quiet valve disc 12.
The flexible link 7 includes disc-shaped structure, rod-like structure, and disc-shaped structure is fixed on the top of rod-like structure,
The bottom end of the rod-like structure is fixed on hollow rotor 10；The top of the rod-like structure is in cone shape；Described
Tap hole annular spread is on the disc-shaped structure；The top and bottom of the disc-shaped structure are equipped with stepped hole.
The shell includes top connection 1, upper outer cylinder 2, shell 8, lower contact 16, and the top connection 1 is set to outer
The top of cylinder 2, upper outer cylinder 2 are set to the outside of the flexible link 7, and the shell 8 is located under the upper outer cylinder 2
Side, shell 8 are set to the outside of the stator packing element 9, and the lower contact 16 is located at the lower section of shell 8.
Concave card slot is provided on the inner wall of the upper outer cylinder 2, the lower thrust-bearing 6 is located at the concave card slot
Inside；The disc-shaped structure limit of flexible link 7 is fixed on described by the up-thrust bearing 5 and the lower thrust-bearing 6
Concave card slot inside.
The dynamic valve disc 11 is the rotary structure of the stepped increasing diameter in outside, moves valve disc 11 equipped with dynamic
Valve disc eccentric orfice 17；The quiet valve disc 12 is the rotary structure that the stepped diameter in outside successively decreases, in quiet valve disc 12
Heart position is equipped with quiet valve disc through-hole 18.
The lower section of the quiet valve disc 12 is provided with seat of valve 13, the seat of valve 13 and 16 phase of lower contact
Even；The seat of valve 13 is the rotary structure that the stepped diameter in outside successively decreases, the center setting of seat of valve 13
There is through-hole, the through-hole is identical as the diameter of quiet valve disc through-hole 18.
Adjustment gasket 14 is provided between the seat of valve 13 and lower contact 16；The adjustment gasket 14 is annular in shape
Structure.
It is left-hand screw structure on the outside of the upper end of the hollow rotor 10, lower end outside is cylindrical structure；Described is hollow
The top and bottom of rotor 10 are equipped with blind hole；The length of the blind hole positioned at 10 upper end of hollow rotor is greater than the position
In the length of the blind hole of 10 lower end of hollow rotor；The flexible link 7 is placed through the blind hole of 10 upper end of hollow rotor, and fixed
In on hollow rotor 10；The hole wall of the blind hole positioned at 10 lower end of hollow rotor mutually hangs down equipped with several with axial direction
Straight through-hole；The inside of the stator packing element 9 is inside spin shape structure.
The left-hand screw structure of the hollow rotor 10 and the inside spin shape structure of stator packing element 9 are intermeshed.
The middle position of the locking nut 3 is provided with through-hole；The upper end of the inside of the locking nut 3 is taper knot
Structure；The middle position of the clamp nut 4 is provided with through-hole；The lower end of the clamp nut 4 is provided with flange.
The upper end of the top connection 1 is female thread, and lower end is pin thread, and top connection 1 is thick intermediate thin to be internally provided with both ends
Stepped hole cylinder-like structure；The upper end of upper outer cylinder 2 is female thread, and lower end is pin thread, and upper outer cylinder 2 is the tapered face of bottom inner portion
Cavity cylinder-like structure；The cavity inside of upper outer cylinder 2 is provided with stepped throughhole, is female thread screw thread, cavity in the middle part of the through-hole
Lower part is provided with concave card slot, for limiting lower thrust-bearing 6；Locking nut 3 is tapered face inside upper end, is set inside lower end
It is equipped with through-hole, and the external cylinder-like structure for pin thread screw thread；The centre of clamp nut 4 is equipped with through-hole, and lower part is equipped with flange,
Clamp nut 4 is the cylinder-like structure that outside is pin thread screw thread；Up-thrust bearing 5 is identical with the structure of lower thrust-bearing 6, is all
It is made of a blowout patche, a bearing race, a rolling element and retainer thrust assemblies, main function is subject to rotor work
The lateral force that bending load caused by planetary motion and drill bit generate when rotating, up-thrust bearing 5 play metering function to drilling fluid；
Flexible link 7 is special-shaped rod-like structure, and it is the discoid knot for having retention bead below cone that top, which is in cone flow-guiding structure,
Structure is uniformly distributed several tap holes around its center, and main body is elongated rod-shaped, and end is screw thread pin thread.Shell 8 is upper end
For the cavity cylinder-like structure that female thread, lower end are pin thread；Stator packing element 9 is the helical hollow cylindrical structure of inner hole, interior
Portion is fixed with inside spin shape channel；Shell 8 is integrally formed with stator packing element 9；Hollow rotor 10 is on the outside of upper end for left-handed spiral shell
Structure, lower end outside are cylindrical structure, and the top and bottom of hollow rotor 10 are equipped with blind hole, and upper end blind hole is longer and interior bottom
For female thread screw thread, lower end blind hole is shorter and hole wall on uniformly distributed cross recirculation hole perpendicular to axial；Hollow rotor 10 and stator packing element 9
A series of continuous, conjugation, engagement seal chambers can be formed after assembling along their contact point, in the liquid with pressure energy
Under body effect, with the formation, variation and disappearance of seal chamber, rotor can be forced to make continuously to move in the stator；Moving valve disc 11 is
Outside diametrically increases ladder-like, is internally provided with the rotary structure of dynamic valve disc eccentric orfice 17；Quiet valve disc 12 subtracts for diameter
Small ladder-like rotary structure is provided centrally with quiet valve disc through-hole 18, the diameter of quiet valve disc through-hole 18 and 13 center of seat of valve
Through-hole diameter is consistent；Seat of valve 13 is the hollow rotary structure that external stepped and diameter successively decreases from up to down, in upper end
Portion is provided with stepped hole, and tapered face inside lower end, middle part outer end is pin thread screw thread, is connected with the female thread screw thread of lower contact 16
It connects；Adjustment gasket 14 is flat annulus shape structure；It inside pin thread is female thread that lower contact 16, which is outside upper end, lower end be pin thread and
It is internally provided with the cylinder-like structure of stepped hole, female thread is threadedly coupled with seat of valve lower end pin thread inside upper end, lower end pin thread spiral shell
Line is for connecting drilling tool.
When installation, dynamic 11 top protrusion of valve disc is connected by hot charging processing with the bottom centre hole of hollow rotor 10
It connects；It will be in the installation of hollow rotor 10 and stator packing element 9；Lower thrust-bearing 6 is installed in upper 2 lower recess of outer cylinder, flexible link 7
Bottom passes through lower thrust-bearing 6 and the intermediate emptying aperture of hollow rotor 10；Up-thrust bearing 5 is installed on flexible link 7 and limits end face
Upside；Clamp nut 4 is threadedly coupled with upper 2 inside female thread of outer cylinder；Locking nut 3 is threadedly coupled with upper 2 inside female thread of outer cylinder；It is logical
The linking screw thread for screwing the two is crossed, by internal each component positioning compression；Upper 2 lower end pin thread of outer cylinder and 8 upper end female thread of shell are connected
It connects, while 7 bottom of flexible link being threadedly coupled with 10 bottom female thread of hollow rotor；It will be on upper 2 upper end female thread of outer cylinder and top connection 1
Hold pin thread connection；11 bottom face of valve disc is moved to the actual range of 8 bottom face of shell with vernier caliper measurement, and it is real to measure quiet valve disc 12
The physical length of 16 upper end pin thread screw thread of border thickness, 13 outer rim thickness of seat of valve and lower contact；Guaranteeing dynamic 11 bottom end of valve disc
There are no more than the thickness for calculating adjustment gasket 14 on the basis of the gap 0.5mm between 12 top end face of face and quiet valve disc；By two
A sealing ring 15 is mounted in 13 lower recess of seat of valve；By ladder on quiet 12 lower end convex portion of valve disc and 13 top of seat of valve
Hole is connected by hot charging processing；Adjustment gasket 14 is placed in 13 pin thread threaded tip of seat of valve；13 middle part outer end of seat of valve
Pin thread screw thread is connected with the female thread screw thread of lower contact 16；Pin thread is connected with 8 bottom pin thread of shell outside 16 upper end of lower contact.
Taper thread in each connection is Special seal screw thread；Spiral shell outside the internal screw thread at 1 top of top connection and 16 bottom of lower contact
Line is standard drill pipe connection screw thread, for connecting drilling tool.
After liquid enters the shock resistance underground screw impulse generator by top connection 1, liquid is by top connection 1
Interior bone be flowed into flexible link 7 and be formed by water conservancy diversion annular space, drive hollow rotor 10 in stator under the action of hydraulic shock
The period rotates in packing element 9, while hollow rotor 10 rotates in stator packing element 9, makes valve disc eccentric orfice 17 and quiet valve disc through-hole
It is periodically overlapped and is staggered between 18；Hollow rotor 10 drives flexible link 7 to rotate.Flexible link 7 not only limits dynamic valve disc 11
Axial vibration also limits its radial displacement, gives 10 1 centering forces of hollow rotor, reduces the eccentric wear of dynamic valve disc 11；Lifting force
Bearing 5, lower thrust-bearing 6 are rotated as flexible link 7 rotates, and are not only limited the axial displacement of hollow rotor 10, are also limited
Its axial vibration and impact；When the dynamic valve disc eccentric orfice 17 of dynamic valve disc 11 and quiet valve disc through-hole 18 are overlapped, as shown in figure 3, mistake
Flow area is maximum, and the liquid of entering tool can be logical via seat of valve 13 is passed through after dynamic valve disc eccentric orfice 17 and quiet valve disc through-hole 18
Hole flows into lower contact 16, and the pressure that tool interior generates at this time is minimum；When dynamic valve disc eccentric orfice 17 and quiet valve disc through-hole 18 are staggered
When, as shown in figure 4, the area that the liquid of entering tool passes through becomes smaller, the pressure that tool interior generates at this time becomes larger；Dynamic valve disc is inclined
Heart hole 17 and quiet valve disc through-hole 18 are periodically overlapped and are staggered and can make the variation of area of passage circulation, and the pressure in tool occurs
Cyclically-varying, to generate the vibration on circumferencial direction.
There are be not more than the gap 0.5mm between 12 top end face of 11 bottom face of dynamic valve disc and quiet valve disc；By adjusting
Flow, thus it is possible to vary the velocity of rotation of flexible link 7, i.e., changeable pulse frequency；By adjusting dynamic valve disc 11 and quiet valve disc
The sectional area of flowing hole on 12, i.e., changeable pulse amplitude.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of shock resistance underground screw impulse generator, it is characterised in that: including shell, locking nut (3), clamp nut
(4), up-thrust bearing (5), lower thrust-bearing (6), flexible link (7), stator packing element (9), hollow rotor (10), dynamic valve disc
(11), quiet valve disc (12), the flexible link (7) are set to the inside of the shell, and flexible link (7) includes discoid knot
Structure, the disc-shaped structure are equipped with several tap holes, and the lower thrust-bearing (6) is set under the disc-shaped structure
Side, the up-thrust bearing (5) are set to the top of the disc-shaped structure, and the clamp nut (4) is set to lifting force
The top of bearing (5), the locking nut (3) are set to the top of clamp nut (4), the hollow rotor (10) setting
In the inside of the stator packing element (9), the lower end of the flexible link (7) is fixed on hollow rotor (10), and described is dynamic
Valve disc (11) is located at the lower section of hollow rotor (10), and the quiet valve disc (12) is set to the lower section of dynamic valve disc (11), described
Seat of valve (13) is set to the lower section of quiet valve disc (12)；
The flexible link (7) includes disc-shaped structure, rod-like structure, and disc-shaped structure is fixed on the top of rod-like structure, institute
The bottom end for the rod-like structure stated is fixed on hollow rotor (10)；The top of the rod-like structure is in cone shape；Described
Tap hole annular spread is on the disc-shaped structure；The top and bottom of the disc-shaped structure are equipped with stepped hole；
The dynamic valve disc (11) is the rotary structure of the stepped increasing diameter in outside, moves valve disc (11) and is equipped with dynamic valve
Disk eccentric orfice (17)；The quiet valve disc (12) is the rotary structure that the stepped diameter in outside successively decreases, quiet valve disc (12)
Center be equipped with quiet valve disc through-hole (18)；
It is left-hand screw structure on the outside of the upper end of the hollow rotor (10), lower end outside is cylindrical structure；The middle idle running
The top and bottom of sub (10) are equipped with blind hole；The length of the blind hole positioned at hollow rotor (10) upper end is greater than described
Positioned at the length of the blind hole of hollow rotor (10) lower end；The flexible link (7) is placed through the blind of hollow rotor (10) upper end
Hole, and be fixed on hollow rotor (10)；The hole wall of the blind hole positioned at hollow rotor (10) lower end is equipped with several
The perpendicular through-hole with axial direction；The inside of the stator packing element (9) is inside spin shape structure；
The left-hand screw structure of the hollow rotor (10) and the inside spin shape structure of stator packing element (9) are intermeshed.
2. shock resistance underground screw impulse generator according to claim 1, it is characterised in that: the shell includes
Top connection (1), upper outer cylinder (2), shell (8), lower contact (16), the top connection (1) are set to the top of outer cylinder (2),
Upper outer cylinder (2) is set to the outside of the flexible link (7), and the shell (8) is located at the lower section of the upper outer cylinder (2),
Shell (8) is set to the outside of the stator packing element (9), and the lower contact (16) is located at the lower section of shell (8).
3. shock resistance underground screw impulse generator according to claim 2, it is characterised in that: the upper outer cylinder
(2) concave card slot is provided on inner wall, the lower thrust-bearing (6) is located at the inside of the concave card slot；Described above pushes away
Power bearing (5) and the lower thrust-bearing (6), which limit the disc-shaped structure of flexible link (7), is fixed on the concave card slot
Inside.
4. shock resistance underground screw impulse generator according to claim 2, it is characterised in that: the quiet valve disc
(12) it is provided with below seat of valve (13), the seat of valve (13) is connected with the lower contact (16)；The valve disc
Seat (13) is the rotary structure that the stepped diameter in outside successively decreases, and the center of seat of valve (13) is provided with through-hole, should
Through-hole is identical as the diameter of quiet valve disc through-hole (18).
5. shock resistance underground screw impulse generator according to claim 4, it is characterised in that: the seat of valve
(13) adjustment gasket (14) is provided between lower contact (16)；Described adjustment gasket (14) structure annular in shape.
6. shock resistance underground screw impulse generator according to claim 1, it is characterised in that: the locking nut
(3) middle position is provided with through-hole；The upper end of the inside of the locking nut (3) is pyramidal structure；The clamp nut
(4) middle position is provided with through-hole；The lower end of the clamp nut (4) is provided with flange.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610361558.1A CN106014316B (en) | 2016-05-26 | 2016-05-26 | Shock resistance underground screw impulse generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361558.1A CN106014316B (en) | 2016-05-26 | 2016-05-26 | Shock resistance underground screw impulse generator |
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| CN106014316A CN106014316A (en) | 2016-10-12 |
| CN106014316B true CN106014316B (en) | 2019-09-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2018243929B2 (en) | 2017-03-28 | 2022-07-07 | National Oilwell DHT, L.P. | Valves for actuating downhole shock tools in connection with concentric drive systems |
| CN107605418B (en) * | 2017-10-27 | 2019-06-04 | 中国石油集团渤海钻探工程有限公司 | A kind of coiled tubing waterpower traction crawl device |
| CN111322279A (en) * | 2020-04-24 | 2020-06-23 | 湖南科技大学 | Pneumatic piston push type lift pump |
| CN113915294B (en) * | 2020-07-08 | 2023-03-28 | 中国石油化工股份有限公司 | Turbo drill speed reducer and turbo drill with same |
| CN113187455B (en) * | 2021-05-28 | 2023-03-14 | 长江大学 | Pulse continuous jet flow hot melting combustible ice mining tool |
| CN115788278B (en) * | 2022-12-06 | 2023-10-17 | 四川达坦能源科技有限公司 | Screw pulse drag reduction drilling tool |
| CN115628025B (en) * | 2022-12-21 | 2023-08-18 | 中国石油集团川庆钻探工程有限公司 | Downhole tractor and coiled tubing tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102804842A (en) * | 2009-06-15 | 2012-11-28 | 高通股份有限公司 | Resource management for a wireless device |
| CN203403820U (en) * | 2013-07-22 | 2014-01-22 | 扬州天业石油机械有限公司 | Waterpower oscillator valve plate structure |
| CN104110215A (en) * | 2014-06-30 | 2014-10-22 | 陕西启源科技发展有限责任公司 | Hydraulic oscillator |
| CN203905875U (en) * | 2014-06-27 | 2014-10-29 | 西南石油大学 | One-way high-frequency impact reversing motor |
| CN104822894A (en) * | 2012-11-30 | 2015-08-05 | 国民油井华高有限公司 | Downhole pulse generating device for through-bore operations |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9273529B2 (en) * | 2013-09-13 | 2016-03-01 | National Oilwell Varco, L.P. | Downhole pulse generating device |
-
2016
- 2016-05-26 CN CN201610361558.1A patent/CN106014316B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102804842A (en) * | 2009-06-15 | 2012-11-28 | 高通股份有限公司 | Resource management for a wireless device |
| CN104822894A (en) * | 2012-11-30 | 2015-08-05 | 国民油井华高有限公司 | Downhole pulse generating device for through-bore operations |
| CN203403820U (en) * | 2013-07-22 | 2014-01-22 | 扬州天业石油机械有限公司 | Waterpower oscillator valve plate structure |
| CN203905875U (en) * | 2014-06-27 | 2014-10-29 | 西南石油大学 | One-way high-frequency impact reversing motor |
| CN104110215A (en) * | 2014-06-30 | 2014-10-22 | 陕西启源科技发展有限责任公司 | Hydraulic oscillator |
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Effective date of registration: 20210928 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: No.106 Huanghai Road, Binhai New Economic and Technological Development Zone, Tianjin 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |