CN105113990B - Produce the conjugation rotary seal valve of pulsing jet - Google Patents
Produce the conjugation rotary seal valve of pulsing jet Download PDFInfo
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- CN105113990B CN105113990B CN201510566379.7A CN201510566379A CN105113990B CN 105113990 B CN105113990 B CN 105113990B CN 201510566379 A CN201510566379 A CN 201510566379A CN 105113990 B CN105113990 B CN 105113990B
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- pulsing jet
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Abstract
The embodiments of the invention provide a kind of conjugation rotary seal valve for producing pulsing jet, the conjugation rotary seal valve includes：Shell body, is provided with following structure in shell body：The first end of power input shaft connects the power output shaft of turbine；Second end of torsion pass key connection power input shaft and the first end of central shaft；Connecting cylinder is socketed in the junction of power input shaft and central shaft；Elastic fluid is placed in the circular hole above the dowel hole at the end of power input shaft second；The first end of eccentric shaft is fixedly connected on the second end of central shaft；Sealing valve block is fixedly connected on the second end of eccentric shaft；Seal on the step surface that valve plate is arranged between the lower section at the end of eccentric shaft second, two neighboring through hole, spacing neck and pulse runner are provided with sealing valve plate；When the discharge capacity of surface mud pump is more than default discharge capacity, pulse runner is unimpeded periodically or is sealed, and produces pulsing jet；When the discharge capacity of surface mud pump is less than default discharge capacity, sealing valve block is limited in spacing neck.
Description
Technical field
The present invention relates to drilling technology field, more particularly to a kind of conjugation rotary seal valve for producing pulsing jet.
Background technology
A most important step is fractured rock during wellbore construction.Pulsing jet be it is a kind of by scene confirm, can carry
The technology of high drill bit efficiency of breaking rock.Pulsing jet speed-raising technology is the interval that the continuous flowing of drilling fluid is converted into certain frequency
Flowing, is greatly improved, the raising of this speed, which is directly brought, penetrates by this conversion drilling fluid in the muzzle velocity of bit port
The raising of target efficiency is flowed, hydraulic drilling efficiency is strengthened.And pulsing jet effect changes the distribution of shaft bottom cutting bed, carries
High shaft bottom bit head landwaste upward velocity, it is to avoid the repetition of landwaste is crushed.In addition pulsing jet effect is periodically reduced
Bottom pressure, this periodically reduction bottom pressure can reduce bottom rock " chip hold down effect ", be carried bit speed
It is high.In the presence of above-mentioned three kinds of effects, pulsing jet technology is effectively improved drilling machinery drilling speed.
Domestic pulse drilling technology also obtains relatively broad popularization and application, obtains preferable speed-increasing effect.Traditional arteries and veins
It is generally pulse bit technique to rush drilling technology, and due to bit size limitation, pulsing jet is in amplitude and the modulation methods of pulse frequency
There is more limitation in face.Pulsing jet speed-raising instrument can preferably regulation parameter, make pulsing jet technology according to formation characteristics
Demand carries out appropriate adjustment to frequency and amplitude.However as the increase of well depth, the security for the instrument that raised speed to pulsing jet
Had higher requirements with high temperature resistant property, particularly pulsing jet speed-raising tool interior produces the original paper of jet, to have and well may be used
By property, to avoid pulsing jet speed-raising tool failures from causing earth's surface slush pump to be pumped exception or suppress pump.
The content of the invention
The embodiments of the invention provide a kind of conjugation rotary seal valve for producing pulsing jet, to improve pulsing jet speed-raising
The reliability of instrument, to avoid earth's surface slush pump from being pumped exception or suppress pump.The conjugation rotary seal valve bag of the generation pulsing jet
Include：The through hole being sequentially reduced in shell body, the shell body provided with aperture, in two neighboring through hole in the larger through hole in aperture
Power input shaft, central shaft, connecting cylinder, elastic fluid, torsion pass key, eccentric shaft, sealing valve block and sealing valve plate are provided with, its
In, the first end of the power input shaft connects the power output shaft of turbine, the energy of the power output shaft output and ground
The discharge capacity correspondence of slush pump；The torsion pass key, is placed in the dowel hole and the central shaft at the end of power input shaft second
In the dowel hole of one end, for connecting the second end of the power input shaft and the first end of the central shaft；The connecting cylinder,
It is socketed in the junction of the power input shaft and the central shaft；The elastic fluid, is placed in the power input shaft
In circular hole above the dowel hole at two ends, the circular hole is connected with the dowel hole at the end of power input shaft second；The eccentric shaft
First end be fixedly connected on the second end of the central shaft；The sealing valve block is fixedly connected on the second of the eccentric shaft
End；The sealing valve plate is arranged on the step surface between the lower section at the end of eccentric shaft second, the two neighboring through hole, institute
State and be provided with spacing neck and pulse runner on sealing valve plate, the spacing neck and the pulse runner distribute alternately with institute
State sealing valve plate center be the center of circle, using pre-determined distance as the circle of radius on, the spacing neck be used for limit the sealing
The groove of valve block position, the pulse runner is the passage for flowing drilling fluid, the quantity of the eccentric shaft, the sealing valve
The quantity all same of the quantity of block, the quantity of the spacing neck and the pulse runner；In the row of the surface mud pump
When amount is more than default discharge capacity, the power input shaft drives the central shaft rotation, and the sealing valve block revolves with the central shaft
Turn, while rotation, the central shaft drives the sealing valve block to do and transported up and down under the thrust of the elastic fluid
Dynamic, when the lower surface of the sealing valve block is overlapped with the pulse runner, the pulse runner is sealed, when the sealing valve
When the lower surface of block is overlapped with the spacing neck, the pulse runner is unimpeded so that the pulse runner is smooth periodically
Lead to or sealed, produce pulsing jet；When the discharge capacity of the surface mud pump is less than default discharge capacity, the sealing valve block is limited
It is scheduled in the spacing neck, the pulse runner is unimpeded always, does not produce pulsing jet.
In one embodiment, the quantity of the eccentric shaft, the quantity of the sealing valve block, the quantity of the spacing neck
And the quantity of the pulse runner is 2 to 10.
In one embodiment, the shape of the sealing valve block, the shape of the spacing neck and the pulse runner
Shape it is identical, and the size of the spacing neck is more than the size of the sealing valve block, and the size of the sealing valve block is more than
The size of the pulse runner.
In one embodiment, the shape of the spacing neck is tetragonal body, and the quadrangle of the tetragonal body lower surface includes
Two circular arc line segments and two straightways, the circle of focus circle where the spacing neck of the extended line of two straightways
The heart, two straightways are provided with default chamfering, the lower surface phase of the lower surface of the sealing valve block and the spacing neck
Match somebody with somebody.
In one embodiment, the sealing valve block is fixed on the second end of the eccentric shaft and forms round radius and institute
State pre-determined distance equal.
In one embodiment, the elastic distance of the elastic fluid and the deep equality of the spacing neck.
In one embodiment, in addition to：Safe runner, is arranged on the center of the sealing valve plate, is to be used to flow
The passage of drilling fluid.
In one embodiment, a diameter of 5 to 35 millimeters of the safe runner.
In one embodiment, the material of the conjugation rotary seal valve for producing pulsing jet is metal.
In one embodiment, the shell body is cylinder, and the shell body is provided with one end of the power input shaft
Connect upper drilling string, the other end connection bottom drill bit of the shell body.
In embodiments of the present invention, power input shaft connects the power output shaft of turbine, the energy of power output shaft output
Discharge capacity with surface mud pump is corresponding so that produce the working condition of conjugation rotary seal valve of pulsing jet according to surface mud
The change of pumpage and change, for example, when the discharge capacity of ground slush pump is more than default discharge capacity, the energy of power input shaft output
Central shaft rotation is driven enough, and then sealing valve block rotates with central shaft, while rotation, passes through centre axis seal valve
Block moves up and down, and is overlapped with pulse runner to sealing valve block periodicity so that pulse runner is unimpeded periodically or is sealed, altogether
Yoke rotary seal valve is opened, and pulse runner can produce pulsing jet, close when the discharge capacity of ground slush pump is less than default discharge capacity
Envelope valve block is limited in spacing neck, it is ensured that pulse runner keeps unimpeded, and conjugation rotary seal valve is closed, and pulse runner is not produced
Raw pulsing jet, it is achieved that the conjugation of above-mentioned generation pulsing jet can be controlled by controlling the discharge capacity of surface mud pump
The opening and closing of rotary seal valve, so as to fundamentally improve the safety for the conjugation rotary seal valve for producing pulsing jet
Property, be conducive to avoiding earth's surface slush pump from being pumped exception or suppressing pump.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute limitation of the invention.In the accompanying drawings：
Fig. 1 is a kind of diagrammatic cross-section of conjugation rotary seal valve for producing pulsing jet provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation for sealing valve plate provided in an embodiment of the present invention；
Fig. 3 is a kind of pulse runner provided in an embodiment of the present invention by sealed schematic diagram；
Fig. 4 is a kind of unimpeded schematic diagram of pulse runner provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of sealing valve block provided in an embodiment of the present invention.
Embodiment
It is right with reference to embodiment and accompanying drawing for the object, technical solutions and advantages of the present invention are more clearly understood
The present invention is described in further details.Here, the exemplary embodiment of the present invention and its illustrating to be used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
In embodiments of the present invention there is provided a kind of conjugation rotary seal valve for producing pulsing jet, as shown in figure 1, should
Producing the conjugation rotary seal valve of pulsing jet includes：
The through hole being sequentially reduced in shell body 1, the shell body provided with aperture, aperture is larger in two neighboring through hole
Be provided with through hole power input shaft 2, central shaft 6, connecting cylinder 4, elastic fluid 3, torsion pass key 5, eccentric shaft 7, sealing valve block 8 with
And sealing valve plate 9, wherein,
The first end of the power input shaft 2 connects the power output shaft of turbine, the energy of the power output shaft output
Discharge capacity with surface mud pump is corresponding；
The torsion pass key 5, is placed in the dowel hole and the first end of the central shaft 6 at the end of power input shaft 2 second
In dowel hole, for connecting the second end of the power input shaft and the first end of the central shaft；
The connecting cylinder 4, is socketed in the junction of the power input shaft and the central shaft；
The elastic fluid 3, is placed in the circular hole above the dowel hole at the end of power input shaft second, the circular hole with
The dowel hole connection at the end of power input shaft second；
The first end of the eccentric shaft 7 is fixedly connected with (for example, threaded connection or welding) the second of the central shaft 6
End；
The sealing valve block 8, is fixedly connected with (for example, threaded connection or welding) at the second end of the eccentric shaft 7；
The sealing valve plate 9, the step between lower section, the two neighboring through hole installed in the end of eccentric shaft second
On face, spacing neck 901 and pulse runner 902 are provided with the sealing valve plate 9, as shown in Fig. 2 the spacing neck and institute
State pulse runner distribute alternately using it is described sealing valve plate center as the center of circle, using pre-determined distance as the circle of radius on, the limit
Position neck is the groove for limiting the sealing valve block position, and the pulse runner is the passage for flowing drilling fluid, institute
The quantity for stating quantity, the quantity of the sealing valve block, the quantity of the spacing neck and the pulse runner of eccentric shaft is equal
It is identical；When the discharge capacity of the surface mud pump is more than default discharge capacity, the power input shaft drives the central shaft rotation, institute
Sealing valve block is stated to rotate with the central shaft, while rotation, the central shaft under the thrust of the elastic fluid
The sealing valve block is driven to move up and down, when the lower surface of the sealing valve block is overlapped with the pulse runner, the arteries and veins
Swash of wave road is sealed (as shown in Figure 3), when the lower surface of the sealing valve block is overlapped with the spacing neck, the stream of pulses
Road is unimpeded (as shown in Figure 4) so that the pulse runner is unimpeded periodically or is sealed, and produces pulsing jet；Described
When the discharge capacity of surface mud pump is less than default discharge capacity, the sealing valve block is limited in the spacing neck, the stream of pulses
Road is unimpeded always, does not produce pulsing jet.
Understand as shown in Figure 1, in embodiments of the present invention, power input shaft connects the power output shaft of turbine, and power is defeated
The energy of shaft output is corresponding with the discharge capacity of surface mud pump so that produce the work shape of the conjugation rotary seal valve of pulsing jet
State changes according to the change of ground slush pump discharge capacity, for example, when the discharge capacity of ground slush pump is more than default discharge capacity, power is defeated
The energy for entering axle output drives central shaft to rotate enough, and then sealing valve block rotates with central shaft, while rotation, in
Heart axle band seal valve block moves up and down, and is overlapped with pulse runner to sealing valve block periodicity so that pulse runner is periodically
Unimpeded or sealed, conjugation rotary seal valve is opened, and pulse runner can produce pulsing jet, when the discharge capacity of ground slush pump is small
When default discharge capacity, sealing valve block is limited in spacing neck, it is ensured that pulse runner keeps unimpeded, and conjugation rotary seal valve is closed
Close, pulse runner does not produce pulsing jet, it is achieved that above-mentioned production can be controlled by controlling the discharge capacity of surface mud pump
The opening and closing of the conjugation rotary seal valve of raw pulsing jet, so as to fundamentally improve the conjugation for producing pulsing jet
The security of rotary seal valve, is conducive to avoiding earth's surface slush pump from being pumped exception or suppressing pump.
When it is implemented, above-mentioned shell body 1 is cylinder, the through hole being sequentially reduced in the shell body provided with aperture, i.e.,
Stepped throughhole, the shape of through hole can use positive all directions hole, positive four square hole, hexagonal hole or circular hole.The shell body 1 is provided with institute
The one end for stating power input shaft 2 is connected through a screw thread upper drilling string, the other end connection bottom drill bit of the shell body.
When it is implemented, torsion pass key 5 can be hexahedron, tetragonal body or all directions body, the lower section of power input shaft 2 (is moved
Second end of power input shaft 2) there is dowel hole the upper end (i.e. the first end of central shaft 6) of center and central shaft 6, passed for laying
Turn round key 5.After power input shaft 2 is connected with central shaft 6 by torsion pass key 5, torsion pass key 5 transmission moment of torsion, it is ensured that power input shaft 2 with
The synchronous rotary of central shaft 6.
When it is implemented, in order to which sealing is better achieved, except the quantity of the eccentric shaft 7, the number of the sealing valve block 8
The quantity of amount, the quantity of the spacing neck 901 and the pulse runner 902 is identical, for example, being 2 to 10, in this reality
Apply in example, the shape phase of the shape of the sealing valve block 8, the shape of the spacing neck 901 and the pulse runner 902
Together, and the size of the spacing neck 901 is more than the size of the sealing valve block 8, the size of the sealing valve block 8 is more than described
The size of pulse runner 902, specifically, the shape of the shape of sealing valve block 8, the shape of spacing neck 901 and pulse runner 902
Shape can be polygon, circular or ellipse, for example, the shape of the spacing neck can be tetragonal body, the tetragonal body following table
The quadrangle in face includes two circular arc line segments and two straightways, and the focus of the extended line of two straightways is described spacing
The center of circle of circle where neck, the lower surface of the lower surface of the sealing valve block and the spacing neck matches, i.e., described sealing
The shape of valve block 8 is as shown in figure 5, now, as shown in Fig. 2 901 two straight line elongated segments of spacing neck intersect corresponding angle
For α 3, a diameter of R3 of inner circle camber line, radial width (width between i.e. two circular arc line segments) is W3；902 liang of pulse runner
It is α 1, a diameter of R1 of inner circle camber line that bar straight line elongated segment, which intersects corresponding angle, and radial width is W1；As shown in figure 5, close
It is α 2, a diameter of R2 of inner circle camber line to seal 8 two straight line elongated segments of valve block to intersect corresponding angle, and radial width is W2.For
Meet the pass between the work of conjugation rotary seal valve, the dimensional parameters of spacing neck 901, sealing valve block 8 and pulse runner 902
System should meet following condition：α3>α2>α1；R3<R2<R1；W3>W2>W1.
Specifically, the unlatching of conjugation rotary seal valve for the ease of realizing above-mentioned generation pulsing jet and limiting sealing valve
Block 8, two straightways of the above-mentioned lower surface of sealing valve block 8 are provided with default chamfering, and the chamfering can be 0 to 45 degree, meanwhile, it is described
Two straightways of the spacing lower surface of neck 901 also are provided with the chamfering of 0 to 45 degree.
When it is implemented, the sealing that overlaps in order to realize sealing valve block 8 and spacing neck 901 and pulse runner 902, described
Sealing valve block 8 is fixed on the second end of the eccentric shaft 7, and to form round radius equal with the pre-determined distance, i.e. sealing valve block
8 the second ends for being fixed on the eccentric shaft 7 form round radius and spacing neck 901 and alternate point of the pulse runner 902
The radius that cloth forms circle on the sealing valve plate 9 is identical, for example, the radius can be 30 to 100 millimeters.
When it is implemented, the elastic distance of the elastic fluid 3 and the deep equality of the spacing neck 901, for example, bullet
Property medium 3 can be spring, and elastic distance can be 2 to 15 millimeters, and the depth of spacing neck 901 can also be 2 to 15 millimeters.
When it is implemented, the reliability of the conjugation rotary seal valve in order to further improve above-mentioned generation pulsing jet,
In the present embodiment, as shown in Fig. 2,3 and 4, the conjugation rotary seal valve of above-mentioned generation pulsing jet also includes：Safe runner 903,
The center of the sealing valve plate 9 is arranged on, for flowing drilling fluid.The safe runner 903 be always maintained at it is unimpeded, rotate it is close
Seal and an emergent drilling fluid runner is provided when valve breaks down, or in the lower surface and the stream of pulses of above-mentioned sealing valve block 8
When road 902 is overlapped, drilling fluid can also flow downward through the safe runner 903, it is to avoid the abnormal rise of earth's surface slush pump pump pressure or
Suppress pump.Specifically, the shape of the safe runner 903 can be circular or polygon, diameter can be 5 to 35 millimeters.
For the high-temperature resistance of the conjugation rotary seal valve that improves above-mentioned generation pulsing jet, in the present embodiment, on
The material for stating the conjugation rotary seal valve for producing pulsing jet is metal.
In embodiments of the present invention, power input shaft connects the power output shaft of turbine, the energy of power output shaft output
Discharge capacity with surface mud pump is corresponding so that produce the working condition of conjugation rotary seal valve of pulsing jet according to surface mud
The change of pumpage and change, for example, when the discharge capacity of ground slush pump is more than default discharge capacity, the energy of power input shaft output
Central shaft rotation is driven enough, and then sealing valve block rotates with central shaft, while rotation, passes through centre axis seal valve
Block moves up and down, and is overlapped with pulse runner to sealing valve block periodicity so that pulse runner is unimpeded periodically or is sealed, altogether
Yoke rotary seal valve is opened, and pulse runner can produce pulsing jet, close when the discharge capacity of ground slush pump is less than default discharge capacity
Envelope valve block is limited in spacing neck, it is ensured that pulse runner keeps unimpeded, and conjugation rotary seal valve is closed, and pulse runner is not produced
Raw pulsing jet, it is achieved that the conjugation of above-mentioned generation pulsing jet can be controlled by controlling the discharge capacity of surface mud pump
The opening and closing of rotary seal valve, so as to fundamentally improve the safety for the conjugation rotary seal valve for producing pulsing jet
Property, be conducive to avoiding earth's surface slush pump from being pumped exception or suppressing pump.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the embodiment of the present invention can have various modifications and variations.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (8)
1. a kind of conjugation rotary seal valve for producing pulsing jet, it is characterised in that including：Set in shell body, the shell body
Have the through hole that aperture is sequentially reduced, be provided with two neighboring through hole in the larger through hole in aperture power input shaft, central shaft,
Connecting cylinder, elastic fluid, torsion pass key, eccentric shaft, sealing valve block and sealing valve plate, wherein,
The first end of the power input shaft connects the power output shaft of turbine, the energy of the power output shaft output and ground
The discharge capacity correspondence of slush pump；
The torsion pass key, is placed in the dowel hole at the end of power input shaft second and the dowel hole of the central shaft first end
In, for connecting the second end of the power input shaft and the first end of the central shaft；
The connecting cylinder, is socketed in the junction of the power input shaft and the central shaft；
The elastic fluid, is placed in the circular hole above the dowel hole at the end of power input shaft second, the circular hole with it is described
The dowel hole connection at the end of power input shaft second；
The first end of the eccentric shaft is fixedly connected on the second end of the central shaft；
The sealing valve block is fixedly connected on the second end of the eccentric shaft；
The sealing valve plate is arranged on the step surface between the lower section at the end of eccentric shaft second, the two neighboring through hole,
Be provided with spacing neck and pulse runner on the sealing valve plate, the spacing neck and the pulse runner distribute alternately with
It is described sealing valve plate center be the center of circle, using pre-determined distance as the circle of radius on, the spacing neck be used for limit it is described close
The groove of valve block position is sealed, the pulse runner is the passage for flowing drilling fluid, the quantity of the eccentric shaft, the sealing
The quantity all same of the quantity of valve block, the quantity of the spacing neck and the pulse runner, the elasticity of the elastic fluid
Distance and the deep equality of the spacing neck；When the discharge capacity of the surface mud pump is more than default discharge capacity, the power is defeated
Enter axle and drive the central shaft rotation, the sealing valve block rotates with the central shaft, while rotation, is situated between in the elasticity
The central shaft drives the sealing valve block to move up and down under the thrust of matter, lower surface and institute when the sealing valve block
When stating the coincidence of pulse runner, the pulse runner is sealed, when the lower surface of the sealing valve block is overlapped with the spacing neck
When, the pulse runner is unimpeded so that the pulse runner is unimpeded periodically or is sealed, and produces pulsing jet；Institute
When the discharge capacity for stating surface mud pump is less than default discharge capacity, the sealing valve block is limited in the spacing neck, the pulse
Runner is unimpeded always, does not produce pulsing jet；
The sealing valve block is fixed on the second end of the eccentric shaft, and to form round radius equal with the pre-determined distance.
2. the conjugation rotary seal valve of pulsing jet is produced as claimed in claim 1, it is characterised in that the number of the eccentric shaft
The quantity of amount, the quantity of the sealing valve block, the quantity of the spacing neck and the pulse runner is 2 to 10.
3. the conjugation rotary seal valve of pulsing jet is produced as claimed in claim 1, it is characterised in that the sealing valve block
The shape of shape, the shape of the spacing neck and the pulse runner is identical, and the size of the spacing neck is more than institute
The size of sealing valve block is stated, the size of the sealing valve block is more than the size of the pulse runner.
4. the conjugation rotary seal valve of pulsing jet is produced as claimed in claim 1, it is characterised in that the spacing neck
Shape is tetragonal body, and the quadrangle of the tetragonal body lower surface includes two circular arc line segments and two straightways, two straight lines
The center of circle of the focus of the extended line of section circle where the spacing neck, two straightways are provided with default chamfering, described close
The lower surface for sealing the lower surface and the spacing neck of valve block matches.
5. the conjugation rotary seal valve of the generation pulsing jet as any one of Claims 1-4, it is characterised in that also
Including：
Safe runner, is arranged on the center of the sealing valve plate, is the passage for flowing drilling fluid.
6. the conjugation rotary seal valve of pulsing jet is produced as claimed in claim 5, it is characterised in that the safe runner
A diameter of 5 to 35 millimeters.
7. the conjugation rotary seal valve of the generation pulsing jet as any one of Claims 1-4, it is characterised in that institute
The material for stating the conjugation rotary seal valve for producing pulsing jet is metal.
8. the conjugation rotary seal valve of the generation pulsing jet as any one of Claims 1-4, it is characterised in that institute
Shell body is stated for cylinder, one end connection upper drilling string of the shell body provided with the power input shaft, the shell body
The other end connects bottom drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510566379.7A CN105113990B (en) | 2015-09-08 | 2015-09-08 | Produce the conjugation rotary seal valve of pulsing jet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510566379.7A CN105113990B (en) | 2015-09-08 | 2015-09-08 | Produce the conjugation rotary seal valve of pulsing jet |
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| Publication Number | Publication Date |
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| CN105113990A CN105113990A (en) | 2015-12-02 |
| CN105113990B true CN105113990B (en) | 2017-09-01 |
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| CN201510566379.7A Active CN105113990B (en) | 2015-09-08 | 2015-09-08 | Produce the conjugation rotary seal valve of pulsing jet |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100562B (en) * | 1985-04-01 | 1988-01-27 | 王世烈 | Pulsed jet regulation device for high pressure spray nozzle |
| CN1786409A (en) * | 2005-11-08 | 2006-06-14 | 中国石化集团胜利石油管理局钻井工艺研究院 | Hydraulic pulse well drilling equipment |
| CN1995686A (en) * | 2006-12-23 | 2007-07-11 | 辽河石油勘探局 | Pulse-percussion drilling tool |
| CN202152634U (en) * | 2011-05-27 | 2012-02-29 | 中国石油天然气集团公司 | Pulsed jet acceleration device realizing adjustment of frequencies |
| CN102191915B (en) * | 2011-06-02 | 2013-05-29 | 中国石油天然气集团公司 | Resonant pulse vibrating drilling device |
| CN205025358U (en) * | 2015-09-08 | 2016-02-10 | 中国石油天然气集团公司 | Produce pulse jet's conjugation rotary seal valve |
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2015
- 2015-09-08 CN CN201510566379.7A patent/CN105113990B/en active Active
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