CN106703686B - Pulsing jet formula impact of collision device - Google Patents
Pulsing jet formula impact of collision device Download PDFInfo
- Publication number
- CN106703686B CN106703686B CN201710134670.6A CN201710134670A CN106703686B CN 106703686 B CN106703686 B CN 106703686B CN 201710134670 A CN201710134670 A CN 201710134670A CN 106703686 B CN106703686 B CN 106703686B
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- China
- Prior art keywords
- fixed
- pump
- valve
- cover
- valve plate
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- 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.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
Abstract
The present invention relates to pulsing jet formula impact of collision device, the pump upper cover lower end and pump outer cover upper end of this pulsing jet formula impact of collision device are connected through a screw thread, and pump upper cover lower end connects center rotor；Pumping axis upper end has screw thread, is fixed on center rotor lower end, and pump axis is seated at by boss on lower cover；Lower cover is fixed on inside pump outer cover lower end, and center rotor and pump axis are fixed on inside pump outer cover by lower cover simultaneously；Pump outer cover is fixed cover nut and is fixed on inside main body short circuit, and valve body is fixed on pump axis lower end, and upper valve plate is fixed on valve inner by fixing bolt；Lower valve plate is fixed on dash valve upper end, and there is dash valve screw thread, dash valve to be connect with impact joint screw thread；Impact connector is fixed on inside six square sets；Main body short circuit top connects upper drilling string, and main body short circuit lower part connects six square sets；Dash valve is fixed on above six square sets, has runner inside dash valve.Intermediate structure of the present invention is few, and low energy consumption, and impact force is big, and service life is long.
Description
Technical field
The present invention relates to a kind of efficient rock-breaking tools for arriving hard formation in being suitable for of petroleum industry drilling well firmly, specifically relate to
And pulsing jet formula impact of collision device.
Background technology
In recent years, going deep into oilfield prospecting developing, oil/gas drilling is gradually changed from shallow stratum to deep formation,
Drilling strata formation hardness increases, rock-drillability index value increases, and rate of penetration reduces, efficiency of breaking rock reduces, and drilling cost increases, because
This efficient well drilling and rock crushing technology in various drilling technologies has just highlighted the importance of itself.
Currently, all kinds of impactors are the main well dynamic tools for improving deep well mechanical drilling speed.And wherein especially with pulsed
Oscillatory surge device is most.Pulsative oscillation impactor makes brill by placing certain hydraulic energy switching mechanism on drill bit top
Head generates extensional vibration while rotating, and may can greatly improve broken rock effect also with pulsing jet cavitation
Rate improves drilling speed, shortens well construction period, greatly reduces shaft building cost.Existing hydraulic impacter is connected, is lived there are more
Moving part forms rapid wear, weak part, greatly reduces the conventional hydraulic impacter service life.Meanwhile wherein the buffering accumulated energies such as spring fill
The presence for setting the intermediate structures such as jump bit, also reduces the ballistic work of impactor, affects impactor impact efficiency.These
The presence of problem seriously constrains hydraulic impacter promoting the use of at the scene.
Invention content
It is an object of the present invention to provide pulsing jet formula impact of collision device, this pulsing jet formula impact of collision device is used
In solving the problems, such as that the service life of existing conventional impactor is low, ballistic work is low.
The technical solution adopted by the present invention to solve the technical problems is：This pulsing jet formula impact of collision device includes master
Body short circuit, pump upper cover, pump outer cover, center rotor, pump axis, lower cover, fixed cover nut, valve body, fixing bolt, upper valve plate,
Lower valve plate, dash valve, six square sets, impact connector；Pump upper cover lower end and pump outer cover upper end are fixed together by screw-thread fit, are pumped
Upper cover lower end connects center rotor；Pumping axis upper end has screw thread, is fixed on center rotor lower end, and pump axis is sat by boss
In on lower cover；Lower cover is fixed on inside pump outer cover lower end, and it is outer that center rotor and pump axis are fixed on pump by lower cover simultaneously
Cover is internal；Pump outer cover is fixed cover nut and is fixed on inside main body short circuit, and valve body is fixed on pump axis lower end, and upper valve plate passes through solid
Determine bolt and is fixed on valve inner；Lower valve plate is fixed on dash valve upper end, and dash valve has screw thread, dash valve and impact connector spiral shell
Line connects；Impact connector is fixed on inside six square sets；Main body short circuit top connects upper drilling string, and main body short circuit lower part connects six sides
Set；Dash valve is fixed on above six square sets, and there is runner, drilling fluid to flow through lower valve plate, flow descending week inside dash valve
The variation of phase property forms the jet stream of pulsed, the runner impact connector through dash valve, and impact connector is made to generate pulsed
Extensional vibration, and then the drill bit of impact connector lower end is driven to generate pulsed vibration.
Main body short circuit top vehicle has screw thread in said program, to connect with upper drilling string；Main body short circuit inside cavity upper end
Shrink position setting pump upper cover, pump outer cover, center rotor, pump axis and lower cover；Valve is arranged in main body short circuit inside cavity lower part
Body, fixing bolt, upper valve plate, lower valve plate, dash valve；Main body short circuit interior lower end vehicle has screw thread, has with six square set upper end vehicles
Screw thread matches, and six square sets are secured within portion；There is annular groove, fixed cover nut to be installed on annular on the inside of main body short circuit
Groove.
Outer cover side vehicle is pumped in said program has 8 drilling fluids to flow to tangential runner in cover outside cover, and tangential runner is fan
Shape, pump outer cover side lower end vehicle has 11 discharge orifices, extra drilling fluid to be flowed out from spout hole, and center rotor is made to reach best
Rotating speed is forced the drilling fluid flowed out from drill string to generate tangential velocity, is impacted leaf due to the mutual cooperation of tangential runner and spout hole
Piece makes center rotor rotate, and then pump axis is driven to rotate together, and transmits torque.
Center rotor centre bore is matched with pump axis in said program, and the center of lower cover is inserted on the top of center rotor
In hole, center rotor lower end has screw thread, is connect with pump axis threaded upper ends, fixed together, to drive pump central axis, passes
Pass the torque of center rotor；Multiple a blades are welded on center rotor.When drilling fluid tangentially flows through blade, band movable vane piece turns
It is dynamic, generate torque.
1-10 blade is welded in said program on center rotor.
6-8 blade is welded in said program on center rotor.
Axis is pumped in said program by the rounding pedestal of lower part on lower cover, pump axis lower end has screw thread, with valve
Body intermediate thread through-hole coordinates, fixed valve body, and band moving valve rotates.
Valve body is symmetric fanning shape in said program, and respectively there are one threaded hole, the two threaded holes for tool for two fan-shaped palms
It is corresponded respectively with the threaded hole of upper valve plate, upper valve plate is fixed together by fixing bolt with valve body；Fan on upper valve plate
Shape palm is as the fan-shaped palm size on valve body and corresponds；Valve body upper end with pump axis link together, valve body and
Upper valve plate can be rotated together with pump axis, to transmit the torque of pump axis.
Lower valve plate is circular shape in said program, and there are two two in symmetric fanning runner, with upper valve plate for centre tool
Fan-shaped palm corresponds, and there are two safety vents for lower valve plate tool.When the fan-shaped runners of fan-shaped palm and lower valve plate on upper valve plate
When just opposite, the runner of drilling fluid will be blocked completely, and with the rotation of upper valve plate, fan-shaped palm is by the lower valve plate that is gradually staggered
On fan-shaped runners, until be staggered completely, the runner of drilling fluid also will be ascending, and cyclically-varying, drilling fluid passes through sector
Runner continues to flow downward.Two safety vents inside lower valve plate, prevent drilling fluid from building the pressure excessive.
The invention has the advantages that：
（1）The present invention makes drill bit generate extensional vibration while rotary work, improves efficiency of breaking rock；Take full advantage of brill
The head of liquid of well liquid makes drilling fluid obtain more fully utilizing, and considerably reduces the intermediate loss of drilling liquid pressure, no
It needs additionally to supplement energy.
（2）Intermediate structure of the present invention is few, and low energy consumption, and impact force is big.
（3）Extensional vibration frequency of the present invention, amplitude can be very convenient by fan-shaped runners size, very simple adjustment.
（4）The configuration of the present invention is simple, it is easy to accomplish, cost is relatively low, convenient in the popularization and application of Oil Field.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of main body short circuit of the present invention；
Fig. 3 is the structural schematic diagram of present invention pump outer cover；
Fig. 4 is the structural schematic diagram of center rotor of the present invention；
Fig. 5 is the structural schematic diagram of present invention pump axis；
Fig. 6 is the structural schematic diagram of lower cover of the present invention；
Fig. 7 is the structural schematic diagram of valve body of the present invention；
Fig. 8 is the structural schematic diagram of valve plate in the present invention；
Fig. 9 is the structural schematic diagram of lower valve plate of the present invention；
Figure 10 is the structural schematic diagram of dash valve of the present invention；
Figure 11 is the structural schematic diagram of six square sets of the invention；
Figure 12 is the structural schematic diagram of present invention impact connector.
In figure：1. main body short circuit；2. pumping upper cover；3. pumping outer cover；4. center rotor；5. pumping axis；6. lower cover 7. is fixed
Cover nut；8. valve body；Valve plate on 9.；10. lower valve plate；11. dash valve；12. six square sets；13. impacting connector；14. annular groove；
15. tangential runner；16. spout hole；17. blade；18. palm；19. fan-shaped runners；20. safety vent；21. fixing bolt.
Specific implementation mode
The present invention will be further described below with reference to the drawings：
As shown in Figure 1, Figure 2, this pulsing jet formula impact of collision device includes main body short circuit 1, pump upper cover 2, pump outer cover
3, center rotor 4, pump axis 5, lower cover 6, fixed cover nut 7, valve body 8, fixing bolt 21, upper valve plate 9, lower valve plate 10, punching
Hit valve 11, six square sets 12, impact connector 13；Pump 2 lower end of upper cover and 3 upper end of pump outer cover are fixed together by screw-thread fit, are pumped
2 lower end of upper cover connects center rotor 4；Pumping 5 upper end of axis has screw thread, is fixed on 4 lower end of center rotor, pump axis 5 is by convex
Platform is seated on lower cover 6；Lower cover is refering to Fig. 6, and lower cover 6 is fixed on inside 3 lower end of pump outer cover, and lower cover 6 is simultaneously by center
Rotor 4 and pump axis 5 are fixed on inside pump outer cover 3；Pump outer cover 3 is fixed cover nut 7 and is fixed on inside main body short circuit 1, valve body 8
It is fixed on 5 lower end of pump axis, upper valve plate 9 is fixed on by fixing bolt 21 inside valve body 8；Lower valve plate 10 is fixed on dash valve 11
Upper end, refering to fig. 10, there is 11 inside of dash valve runner, dash valve 11 to have screw thread, dash valve 11 and impact 13 screw thread of connector
Connection；Dash valve 11 is fixed on the top of six square set 12, and impact connector 13 is fixed on inside six square sets 12, six square sets refering to fig. 11,
Impact connector refering to fig. 12；1 top of main body short circuit connects upper drilling string, and 1 lower part of main body short circuit connects six square sets 12.Drilling well liquid stream
Lower valve plate 10 is crossed, the descending periodic variation of flow forms the jet stream of pulsed, the runner impact through dash valve 11
Connector 13 makes impact connector 13 generate the extensional vibration of pulsed, and then the drill bit of 13 lower end of impact connector is driven to generate pulse
Formula is vibrated.
1 top vehicle of main body short circuit has screw thread, to connect with upper drilling string；Shrink position in 1 inside cavity upper end of main body short circuit
Setting pump upper cover 2, pump outer cover 3, center rotor 4, pump axis 5 and lower cover 6；Valve body is arranged in 1 inside cavity lower part of main body short circuit
8, fixing bolt 21, upper valve plate 9, lower valve plate 10, dash valve 11；1 interior lower end vehicle of main body short circuit has screw thread, and in six square sets 12
The screw thread that end vehicle has matches, and six square sets 12 are secured within portion；1 inside of main body short circuit has annular groove 14, fixed cover
Nut 7 is installed at annular groove 14.
Refering to Fig. 3, pump 3 side vehicle of outer cover has 8 drilling fluids to flow to tangential runner 15 in cover outside cover, and tangential runner 15 is
Fan-shaped, pump 3 side lower end vehicle of outer cover has 11 spout holes 16, extra drilling fluid to be flowed out from spout hole 16, makes center rotor 4
Reach optimum speed, due to the mutual cooperation of tangential runner 15 and spout hole 16, the drilling fluid flowed out from drill string generation is forced to be cut
To speed, blade 17 is impacted, center rotor 4 is made to rotate, and then pump axis 5 is driven to rotate together, transmits torque.
Refering to Fig. 4,4 centre bore of center rotor is matched with pump axis 5, and the top of center rotor 4 is inserted into lower cover 6
In heart hole, 4 lower end of center rotor has screw thread, is connect with pump 5 threaded upper ends of axis, fixed together, and 5 turns of axis is pumped to drive
It is dynamic, the torque of Delivery Center rotor 4；1-10 blade 17 is welded on center rotor 4, it is still further preferred that being welded on center rotor 4
There is 6-8 blade 17.When drilling fluid tangentially flows through blade 17, band movable vane piece 17 rotates, and generates torque.
Refering to Fig. 5, pump axis 5 is by the rounding pedestal of lower part on lower cover 6, and 5 lower end of pump axis has screw thread, with valve
8 intermediate thread through-hole of body coordinates, fixed valve body 8, and band moving valve 8 rotates.
Refering to Fig. 7, valve body 8 is symmetric fanning shape, and respectively there are one threaded hole, the two threaded holes for tool for two fan-shaped palms 18
It is corresponded respectively with the threaded hole of upper valve plate 9, upper valve plate 9 is fixed together by fixing bolt 21 with valve body 8；Refering to Fig. 8,
Fan-shaped palm 18 on upper valve plate 9 as 18 size of fan-shaped palm on valve body 8 and corresponds；In 8 upper end of valve body and pump
Axis 5 links together, and valve plate and upper valve plate 9 can be rotated together with pump axis 5, to transmit the torque of pump axis 5.
Refering to Fig. 9, lower valve plate 10 is circular shape, and there are two two in symmetric fanning runner 19, with upper valve plate 9 for centre tool
A sector palm 18 corresponds, and there are two safety vents 20 for the tool of lower valve plate 10.When the fan-shaped palm 18 and lower valve plate on upper valve plate 9
When 10 fan-shaped runners 19 are just opposite, the runner of drilling fluid will be blocked completely, with the rotation of upper valve plate 9, fan-shaped palm
18 by the fan-shaped runners on lower valve plate 10 19 that are gradually staggered, until being staggered completely, the runner of drilling fluid also will be ascending, the period
Property variation, drilling fluid continues to flow downward by fan-shaped runners 19.Two safety vents 20 inside lower valve plate 10, prevent drilling fluid
It builds the pressure excessive.
At work, drilling fluid generates tangential flow velocity, center of impact rotor 4 to the present invention after pumping 3 fan-shaped runners 15 of outer cover
Blade 17 promotes center rotor 4 to rotate, and then pump axis 5 is driven to rotate.Pumping axis 5 drives valve plate and upper valve plate 9 to rotate.?
In rotation, when two fan-shaped runners 19 of two palms 18 of upper valve plate 9 and lower valve plate 10 are just opposite, drilling fluid runner is complete
It is blocked entirely, with the continuation of rotation, palm 18 is staggered with fan-shaped runners 19, and drilling fluid will be by fan-shaped runners 19 after afterflow
It is dynamic.With palm 18 and fan-shaped runners 19 it is periodically opposite be staggered, continuous drilling fluid circulation turns to discrete pulse
Stream.The runner having by 11 inside vehicle of dash valve is directly acted on impact connector 13 by this stream of pulses, and then acts on lower end
The drill bit of connection makes it generate extensional vibration.
Claims (8)
1. a kind of pulsing jet formula impact of collision device, it is characterised in that：This pulsing jet formula impact of collision device includes that main body is short
It connects（1）, pump upper cover（2）, pump outer cover（3）, center rotor（4）, pump axis（5）, lower cover（6）, fixed cover nut（7）, valve body
（8）, fixing bolt（21）, upper valve plate（9）, lower valve plate（10）, dash valve（11）, six square sets（12）, impact connector（13）；On pump
Lid（2）Lower end and pump outer cover（3）Upper end is fixed together by screw-thread fit, pumps upper cover（2）Lower end connects center rotor（4）；
Pump axis（5）Upper end has screw thread, is fixed on center rotor（4）Lower end pumps axis（5）By boss, it is seated at lower cover（6）
On；Lower cover（6）It is fixed on pump outer cover（3）Inside lower end, lower cover（6）Simultaneously by center rotor（4）With pump axis（5）It is fixed
In pump outer cover（3）It is internal；Pump outer cover（3）It is fixed cover nut（7）It is fixed on main body short circuit（1）Inside, valve body（8）It is fixed on pump
Axis（5）Lower end, upper valve plate（9）Pass through fixing bolt（21）It is fixed on valve body（8）It is internal；Lower valve plate（10）It is fixed on dash valve
（11）Upper end, dash valve（11）With screw thread, dash valve（11）With impact connector（13）It is threadedly coupled；Impact connector（13）It is fixed
In six square sets（12）It is internal；Main body short circuit（1）Top connects upper drilling string, main body short circuit（1）Lower part connects six square sets（12）；Punching
Hit valve（11）It is fixed on six square sets（12）Top, dash valve（11）There is runner, drilling fluid to flow through lower valve plate for inside（10）, flow
Descending periodic variation, forms the jet stream of pulsed, through dash valve（11）Runner impact connector（13）, make punching
Hit connector（13）The extensional vibration of pulsed is generated, and then drives impact connector（13）The drill bit of lower end generates pulsed vibration；
The pump outer cover（3）Side vehicle has 8 drilling fluids to flow to tangential runner in cover outside cover（15）, tangential runner（15）For
Fan-shaped, pump outer cover（3）Side lower end vehicle has 11 spout holes（16）, extra drilling fluid is from spout hole（16）Outflow, in making
Heart rotor（4）Reach optimum speed, due to tangential runner（15）And spout hole（16）Mutual cooperation, force and flow out from drill string
Drilling fluid generates tangential velocity, impacts blade（17）, make center rotor（4）Rotation, and then drive pump axis（5）It rotates together,
Transmit torque.
2. pulsing jet formula impact of collision device according to claim 1, it is characterised in that：The main body short circuit（1）On
Portion's vehicle has screw thread, to connect with upper drilling string；Main body short circuit（1）Shrink position setting pump upper cover in inside cavity upper end（2）, pump it is outer
Cover（3）, center rotor（4）, pump axis（5）And lower cover（6）；Main body short circuit（1）Valve body is arranged in inside cavity lower part（8）, it is solid
Determine bolt（21）, upper valve plate（9）, lower valve plate（10）, dash valve（11）；Main body short circuit（1）Interior lower end vehicle has screw thread, with six sides
Set（12）The screw thread that upper end vehicle has matches, by six square sets（12）It is secured within portion；Main body short circuit（1）Inside has annular recessed
Slot（14）, fixed cover nut（7）It is installed on annular groove（14）Place.
3. pulsing jet formula impact of collision device according to claim 2, it is characterised in that：The center rotor（4）In
Heart hole and pump axis（5）It matches, center rotor（4）Top be inserted into lower cover（6）Centre bore in, center rotor（4）Under
End has screw thread, with pump axis（5）Threaded upper ends connect, fixed together, to drive pump axis（5）Rotation, Delivery Center turn
Son（4）Torque；Center rotor（4）On be welded with multiple blades（17）.
4. pulsing jet formula impact of collision device according to claim 3, it is characterised in that：The center rotor（4）On
It is welded with 1-10 blade.
5. pulsing jet formula impact of collision device according to claim 4, it is characterised in that：The center rotor（4）On
It is welded with 6-8 blade.
6. pulsing jet formula impact of collision device according to claim 5, it is characterised in that：The pump axis（5）Pass through
The rounding pedestal of lower part is in lower cover（6）On, pump axis（5）Lower end has screw thread, with valve body（8）Intermediate thread through-hole coordinates,
Fixed valve body（8）, band moving valve（8）Rotation.
7. pulsing jet formula impact of collision device according to claim 6, it is characterised in that：The valve body（8）It is symmetrical
Fan shape, two fan-shaped palms（18）Each tool there are one threaded hole, the two threaded holes respectively with upper valve plate（9）Threaded hole one
One corresponds to, upper valve plate（9）With valve body（8）Pass through fixing bolt（21）It is fixed together；Upper valve plate（9）On fan-shaped palm（18）
With valve body（8）On fan-shaped palm（18）Size is the same and corresponds；Valve body（8）Upper end and pump axis（5）It links together.
8. pulsing jet formula impact of collision device according to claim 7, it is characterised in that：The lower valve plate（10）For circle
Shape shape, there are two symmetric fanning runners for centre tool（19）, with upper valve plate（9）In two fan-shaped palms（18）It corresponds,
Lower valve plate（10）There are two safety vents for tool（20）；When upper valve plate（9）On fan-shaped palm（18）With lower valve plate（10）Fan-shaped stream
Road（19）When just opposite, the runner of drilling fluid will be blocked completely, with upper valve plate（9）Rotation, fan-shaped palm（18）It will
Gradually be staggered lower valve plate（10）On fan-shaped runners（19）, until being staggered completely, the runner of drilling fluid also will be ascending, the period
Property variation, drilling fluid passes through fan-shaped runners（19）Continue to flow downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134670.6A CN106703686B (en) | 2017-03-08 | 2017-03-08 | Pulsing jet formula impact of collision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134670.6A CN106703686B (en) | 2017-03-08 | 2017-03-08 | Pulsing jet formula impact of collision device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106703686A CN106703686A (en) | 2017-05-24 |
| CN106703686B true CN106703686B (en) | 2018-10-30 |
Family
ID=58912248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710134670.6A Expired - Fee Related CN106703686B (en) | 2017-03-08 | 2017-03-08 | Pulsing jet formula impact of collision device |
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| CN (1) | CN106703686B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025804B (en) * | 2018-10-10 | 2019-12-20 | 东北石油大学 | Turbine type axial impactor |
| CN109025805B (en) * | 2018-10-10 | 2020-04-14 | 东北石油大学 | Pulse jet hydraulic impactor |
| CN110043191A (en) * | 2019-04-23 | 2019-07-23 | 西南石油大学 | It can produce the fluidic oscillation tool of axial compressive force pulse |
| CN110306931A (en) * | 2019-06-03 | 2019-10-08 | 中国石油集团渤海钻探工程有限公司 | A kind of hydraulic impacter of helical runner driving |
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| CN201705197U (en) * | 2010-04-26 | 2011-01-12 | 刘白杨 | Jet pulse generator and rammer device thereof |
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|---|---|---|---|---|
| WO2005054620A1 (en) * | 2003-12-01 | 2005-06-16 | Unodrill As | Method, drilling machine, drill bit and bottom hole assembly for drilling by electrical discharge pulses |
| CN201705197U (en) * | 2010-04-26 | 2011-01-12 | 刘白杨 | Jet pulse generator and rammer device thereof |
| CN203188909U (en) * | 2013-04-07 | 2013-09-11 | 中国石油化工股份有限公司 | Hydraulic power impulse tool capable of improving drilling speed |
| CN103696686A (en) * | 2013-12-09 | 2014-04-02 | 吉林大学 | Jet-type explosive pressure pulse anti-drag drilling tool |
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| CN106703686A (en) | 2017-05-24 |
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