CN109025804A - Turbine type axial impact device - Google Patents
Turbine type axial impact device Download PDFInfo
- Publication number
- CN109025804A CN109025804A CN201811179645.0A CN201811179645A CN109025804A CN 109025804 A CN109025804 A CN 109025804A CN 201811179645 A CN201811179645 A CN 201811179645A CN 109025804 A CN109025804 A CN 109025804A
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- Prior art keywords
- connector
- turbine rotor
- jet stream
- impact
- type axial
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- 239000012530 fluid Substances 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000000806 elastomer Substances 0.000 claims description 9
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005553 drilling Methods 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to turbine type axial impact devices, the main body of this this turbine type axial impact device of turbine type axial impact device is shorted upper end and connects double female connectors, lower end passes through six square sets connection impact connector, the hollow cavity of impact connector is located in main body short circuit, the overcurrent headkerchief of overcurrent cover board is sitting in the hollow cavity upper port of impact connector, in the flow channels insertion hollow cavity of overcurrent cover board, piston hammer is three-stage hollow cylinder structure, piston hammer is in the annular space between hollow cavity and flow channels, in the transmission cylinder insertion flow channels of turbine rotor, annular table in turbine rotor is sitting on the overcurrent headkerchief of overcurrent cover board, turbine rotor upper end connects jet stream stator, jet stream stator is crushed at double female connector lower ports；Jet stream stator interior has oblique perforation, and when fluid passes through from oblique perforation, jet stream is beaten on the turbo blade of turbine rotor, so that turbine rotor rotates.The present invention generates good extensional vibration on drill bit, and speed-increasing effect is clearly.
Description
Technical field:
Surge percussion tool the present invention relates to underground used in during oil and gas well drilling, and in particular to be whirlpool
Wheeled axial impact device.
Background technique:
With the progress of exploration and development technology, oil gas well depth constantly increases, and deep-well, ultradeep well number are consequently increased.It is deep
Portion's formation rock hardness is big, and rock-drillability index value is high, be cause drilling well difficulty to increase, rate of penetration slows down, drilling cost is increased
Main cause.Drilling problem about hard formation also becomes more and more prominent, and efficient rock-breaking technology seems more important, broken rock effect
The quality of rate also will directly decide the speed and cost of drilling well, more determine the economic benefit of drilling engineering.Pass through interior
It is found that when the impact force action of some cycles is on drill bit, the efficiency of breaking rock of drill bit is incited somebody to action for experiment and field practice
To increasing significantly, to improve rate of penetration.
Power tool of the axial impact device as underground auxiliary rock, since it does not need to provide additional energy, by
Industry is more and more paid attention to, and indispensable technological means of deep-well speed-raising has been increasingly becoming.Although all kinds of impacts
Device in testing at the scene has been proved that drilling efficiency can be improved, but occurs that the service life is short, is easy to be influenced by property of drilling fluid
Disadvantage, so that it is not widely used in drilling machine operation so far.
Summary of the invention:
The object of the present invention is to provide turbine type axial impact device, this turbine type axial impact device is for solving with oil well depth
Degree is continuously increased and the bit speed that generates is compared with the problems such as slow, tool impact efficiency is lower.
The technical solution adopted by the present invention to solve the technical problems is: this this turbine type of turbine type axial impact device
Axial impact device includes double female connectors, main body short circuit, six square sets, impact connector, jet stream stator, turbine rotor, overcurrent cover board, work
Plug hammer, main body are shorted upper end and connect double female connectors, and by six square sets connection impact connector, the hollow cavity for impacting connector is located at for lower end
In main body is shorted, the overcurrent headkerchief of overcurrent cover board is sitting in the hollow cavity upper port of impact connector, and the flow channels of overcurrent cover board are inserted
Enter in hollow cavity, piston hammer is three-stage hollow cylinder structure, and annular of the piston hammer between hollow cavity and flow channels is empty
In, in the transmission cylinder insertion flow channels of turbine rotor, the annular table in turbine rotor is sitting in the overcurrent lid of overcurrent cover board
On head, turbine rotor upper end connects jet stream stator, and jet stream stator is crushed at double female connector lower ports；Jet stream stator interior has tiltedly
To perforation, when fluid passes through from oblique perforation, jet stream is beaten on the turbo blade of turbine rotor, so that turbine rotor revolves
Turn；
Transmission cylinder be it is hollow, the transmission cylinder on annular table has inflow hole, transmission cylinder under annular table setting the
One circulation port and second circulation hole, flow channels are correspondingly arranged the first flowing hole and the second flowing hole, and hollow cavity is correspondingly provided with
First fluid hole and the second fluid hole.
Jet stream stator is stuck at the female thread of main body short circuit in above scheme, and ring is arranged between jet stream stator and double female connectors
The elastomer of shape, in order to slow down impact of the opposite force of fluidic vectoring thrust to double female connectors；The oblique perforation outlet end of jet stream stator
There is an inclined oblique card slot of outer profile, the turbo blade of oblique card slot and turbine rotor matches；Jet stream stator center has one
The limited post of limiting slot, turbine rotor upper end is inserted into limiting slot, so that radial motion and axial movement do not occur for turbine rotor.
The lower edge of turbine rotor limited post has guard circle in above scheme, and the effect of guard circle is to reduce turbine rotor to exist
In rotation process with the friction of jet stream stator.
Connector is impacted in above scheme has a vent in the bottom of hollow cavity, and fluid can flow out hollow from there
Chamber reduces the pressure in hollow cavity with this；There is liquid outlet channel in the middle part of impact connector, rushes in connector below liquid outlet channel
On have busway, the fluid come out from the first fluid hole and the second fluid hole can be flowed into busway from there；?
There is current stabilization channel between vent and liquid outlet channel, in order to make fluid form a kind of stable state；Have in impact connector exterior
One section of six square joint, six square joints match with the inside of six square sets, and the sharp place of fixed impact connector, six square joints has
Angle, in order to reduce the abrasion in vibration processes.
Connector exterior is impacted in above scheme and is equipped with annular groove, for placing half point ring, reaches the work of fixed impact connector
With；T stage rank is set in annular groove lower end, for installing elastomer, the movement of shock absorbing connector.
Jet stream stator has 1-7 oblique perforations in above scheme.
Turbine rotor has 1-17 turbo blade, 1-4 inflow hole in above scheme.
Connector is impacted in above scheme 1-8 liquid outlet channel, there is 1-6 the first fluid holes, has 1-6 second to go out liquid
Hole.
The invention has the following advantages:
1, the mating reaction between turbine rotor of the present invention and overcurrent cover board is strong to drilling fluid stream interference effect, can generate pulse
Shock loading generates good extensional vibration on drill bit, and speed-increasing effect is clearly.
2, the present invention opens different chambers, piston hammer is caused to move, therefore is right mainly by the rotation of turbine rotor
Leakproofness is without so high requirement.
3, extensional vibration frequency of the present invention, amplitude are controlled by the size, number and inclination angle of oblique perforation, convenient for adjusting
It is whole.
4, the present invention reduces energy loss there is no buffer resetting devices such as springs, improves hydraulic impact energy utilization
Efficiency solves the problems, such as that impact efficiency is low.
5, 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.
Four, Detailed description of the invention:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the outline drawing that connector is impacted in the present invention；
Fig. 3 is the sectional view of A-A in Fig. 2；
Fig. 4 is the outline drawing of overcurrent cover board in the present invention；
Fig. 5 is the sectional view of overcurrent cover board in the present invention；
Fig. 6 is the structural schematic diagram of six square sets in the present invention；
Fig. 7 is the structural schematic diagram of activity hammer in the present invention；
Fig. 8 is the sectional view of jet stream stator in the present invention；
Fig. 9 is the top view of jet stream stator in the present invention；
Figure 10 is the outline drawing of turbine rotor in the present invention；
Figure 11 is F-F sectional view in Figure 10；
Figure 12 is that activity hammer moves upwards state diagram in the present invention；
Figure 13 is the sectional view of A-A in Figure 12；
Figure 14 is the sectional view of B-B in Figure 12；
Figure 15 is that activity hammer keeps uplink state figure in the present invention；
Figure 16 is the sectional view of A-A in Figure 15；
Figure 17 is the sectional view of B-B in Figure 16；
Figure 18 is that activity hammer moves downward state diagram in the present invention；
Figure 19 is the sectional view of A-A in Figure 18；
Figure 20 is the sectional view of B-B in Figure 18；
Figure 21 is that activity hammer keeps downstream state figure in the present invention；
Figure 22 is the sectional view of A-A in Figure 21；
Figure 23 is the sectional view of B-B in Figure 21.
In figure, 1. pairs of female connectors, 2. main bodys short circuit, 3. 6 square sets, 4. impact connectors, 5. jet stream stators, 6. turbine rotors,
7. overcurrent cover board, 8. piston hammers, 9. elastomers I, 10. half point rings, 11. elastomers II, 12. 6 square joints, 13.T type step,
14. annular groove, 15. liquid outlet channels, 16. second fluid holes, 17. first fluid holes, 18. hollow cavities, 19. vents, 20. confluences
It is channel, 21. current stabilization channels, 22. overcurrent headkerchieves, 23. flow channels, 24. first flowing holes, 25. second flowing holes, 26. oblique
Perforation, 27 limiting slots, 28 oblique card slots, 29. limited posts, 30. guard circles, 31. inflow holes, 32. annular tables, 33. transmission cylinders,
34. first circulation hole, 35. second circulation holes, 36. turbo blades, 37. rotor channels, 38. first chambers, 39. second chambers.
Specific embodiment
Following further describes the present invention with reference to the drawings:
As shown in Figure 1, this this turbine type axial impact device of turbine type axial impact device includes double female connectors 1, main body short circuit
2, six square sets 3, impact connector 4, jet stream stator 5, turbine rotor 6, overcurrent cover board 7, piston hammer 8, it is double that main body is shorted the connection of 2 upper ends
Female connector 1, lower end are located at main body and are shorted in 2 by six square sets 3 connection impact connector 4, the hollow cavity 18 of impact connector 4, overcurrent
The overcurrent headkerchief 22 of cover board 7 is sitting in 18 upper port of hollow cavity of impact connector 4, and the flow channels 23 of overcurrent cover board 7 are inserted into hollow
In chamber 18, so that piston hammer 8 is only in 18 internal motion of hollow cavity；Piston hammer 8 is between hollow cavity 18 and flow channels 23
In annular space, the transmission cylinder 33 of turbine rotor 6 is inserted into flow channels 23, and the annular table 32 in turbine rotor 6 was sitting in
On the overcurrent headkerchief 22 for flowing cover board 7,6 upper end of turbine rotor connects jet stream stator 5.
Jet stream stator 5 is stuck at the female thread of main body short circuit 2, and a ring is mounted between jet stream stator 5 and double female connectors 1
The elastomer of shape, in order to slow down impact of the opposite force of fluidic vectoring thrust to double female connectors 1；In conjunction with shown in Fig. 8, Fig. 9, jet stream stator
There is the inclined oblique card slot 28 of an outer profile in 5 26 outlet end of oblique perforation, convenient for 36 phase of turbo blade with turbine rotor 6
Matching；And there is a limiting slot 27 in the cylinder table of jet stream stator 5, so that radial motion and axis do not occur for turbine rotor 6
To movement.
In conjunction with shown in Fig. 4, Fig. 5, there are a flow channels 23, the internal diameter of flow channels 23 and whirlpools inside overcurrent cover board 7
The outer diameter for taking turns the transmission cylinder 33 of rotor 6 matches, and transmission cylinder 33 is rotated in flow channels 23, turbine rotor
Annular table 32 in 6 is sitting on the overcurrent headkerchief 22 of overcurrent cover board 7, limits the axial movement of overcurrent cover board 7；In jet stream stator 5
There are 7 oblique perforations 26 in portion, and when fluid passes through from oblique perforation 26, jet stream will be beaten on the turbo blade 36 of turbine rotor 6,
So that turbine rotor 6 rotates.
The transmission cylinder 33 of turbine rotor 6 be it is hollow, formed rotor channel, this is the flow channel of fluid；And it passes
Dynamic cylinder 33 is divided into three sections, is to allow the fluid by turbo blade 36 in the upper end of transmission cylinder 33 there are inflow hole 31
It is flowed into the rotor channel 37 of turbine rotor 6；Transmission cylinder 33 has two groups of symmetrical circulation port (first circulation hole 34 and second
Circulation port 35), there is also two groups of corresponding flowing holes (the first flowing hole 24 and the second flowing hole 25) on overcurrent cover board 7, they
It matches each other, so that piston hammer 8 moves repeatedly, impact impact connector 4.
Connector 4 is impacted in the bottom of hollow cavity 18 there is a vent 19, and fluid can flow out hollow cavity from there
18, the pressure in hollow cavity 18 is reduced with this；At the middle part of impact connector 4, there is one group of liquid outlet channels 15, go out from first
The fluid that fluid apertures 17 and the second fluid hole 16 come out can be flowed into from there in busway 20；And in vent 19 and go out
There is one section of current stabilization channels 21 between liquid channel 15, in order to make fluid form a kind of stable state.Outside impact connector 4
There is one section of six square joint 12, for matching with the inside of six square sets 3, fixed impact connector 4, and the sharp place of six square joints is all
There is chamferings, in order to reduce the abrasion in vibration processes.
When the present invention installs: six square sets 3 are inserted on impact connector 4, and the inside of six square sets 3 and six rings of impact connector 4 connect
First 12 match；Half point ring 10 and elastomer II 11 are filled and are attached separately on the annular groove 14 and T stage rank 13 of impact connector 4,
Six square sets 3 and main body are shorted 2 to be fitted together with screw thread, impact connector 4 is fixed；Piston hammer 8 is packed into impact connector 4
Inside hollow cavity 18, overcurrent cover board 7 and turbine rotor 6 are successively inserted into hollow cavity 18, at this point, 8 meetings of piston hammer are in hollow cavity
It axially moves inside 18；By in jet stream stator 5 limiting slot 27 and the limited post 29 of turbine rotor 6 match, elastomer I
9 on turbine rotor 6, and double female connectors 1 and main body are finally shorted 2 and are tightened with screw thread, installation terminates.
As shown in Figure 2 and Figure 3, when the fluid in hollow cavity 18 cannot be flowed from the first fluid hole 17 or the second fluid hole 16
When out, a closed space will form inside hollow cavity 18, and with the inflow of fluid, 18 internal pressure of hollow cavity can be gradually
Increase, cause tool to be easy to be damaged, therefore make a call to a vent 19 in 18 bottom of hollow cavity, to reduce in hollow cavity
Pressure.Annular groove 14 is for installing half point ring 10, thus fixed impact connector 4.T stage rank 13 is to install elastomer II
11, it is mobile to alleviate impact connector 4 position caused by by 8 periodic shock power of piston hammer.
Six square set 3 as shown in FIG. 6, inside are a regular hexagon, just six with six square joints 12 of impact connector 4
Side shape matches, for fixed impact connector 4.The outside of six square sets 3 is one group of screw thread, and 2 internal whorl phase is shorted with main body
It coincide, links together so that six square sets 3 and main body are shorted 2.
The inside of piston hammer 8 of the overcurrent cover board 7 in Fig. 7 in Fig. 4, Fig. 5, and the transmission cylinder 33 of turbine rotor 6
It is also contained in inside the flow channels 23 of overcurrent cover board 7, the gradually installation to connect with one another closely.Due to the rotation of turbine rotor 6, turbine
Two circulation ports of rotor 6 can be formed simultaneously the channel of connection or closure with two flowing holes of corresponding overcurrent cover board 7,
But since there be one layer of piston hammer 8 in outside, can just block channel, so the connection situation in two channels also with piston hammer 8
Motion conditions it is closely related.
Piston hammer 8 shown in Fig. 7 is a three-stage hollow cylinder structure, and the internal-and external diameter of two sections of head and the tail is all consistent with length,
The outer diameter of interlude is big and internal diameter is small, and piston hammer 8 is mounted on 18 the inside of hollow cavity of impact connector 4, can be axially moved, piston
The interlude of hammer 8, outer diameter is big, and internal diameter is small, is to reduce the hollow cavity of piston hammer 8 and outside when piston hammer 8 is axially moved
Inside 18, and with the friction outside internal overcurrent cover board 7, to reduce energy loss.
In order to make it easy to understand, just the course of work of the invention is described below:
1. when turbine rotor 6 rotates, so that the first flowing hole 24 of the first circulation hole 34 of turbine rotor 6 and overcurrent cover board 7 is wrong
It opens, as shown in Figure 12,13,14.The first chamber 38 that activity hammer 8, overcurrent cover board 7 and impact connector 4 form forms a negative pressure
Area, activity hammer 8 move upwards, and the fluid in first chamber 38 is flowed out from the first fluid hole 17；
2. piston hammer 8 blocks when turbine rotor 6 continues to rotate first circulation hole 34 and is connected to the first flowing hole 24 again
Their channel, but second circulation hole 35 is connected to the second flowing hole 25 at this time, fluid flows out from the second fluid hole 16,
Piston hammer 8 remains the state of uplink, as shown in Figure 15,16,17；
3. second circulation hole 35 is staggered with the second flowing hole 25, in second chamber shape 39 when turbine rotor 6 rotates again
At a negative pressuren zone, as shown in Figure 18,19,20, piston hammer 8 is moved downward, second chamber 39 fluid from the second fluid hole
It is flowed out in 16；
4. second circulation hole 35 is connected to the second flowing hole 25 when turbine rotor 6 rotates again, piston hammer 8 blocks again
Their channel, but at this time first circulation hole 34 is connected to the first flowing hole 24, and fluid is flowed out from the first fluid hole 17, living
Plug hammer 8 remains the state of downlink, as shown in Figure 21,22,23.
It is recycled with this, piston hammer 8 will do shuttling movement in hollow cavity 18, and periodically connector 4 is impacted in impact repeatedly.
Claims (8)
1. a kind of turbine type axial impact device, it is characterised in that: this this turbine type axial impact of turbine type axial impact device
Device include double female connectors (1), main body be shorted (2), six square sets (3), impact connector (4), jet stream stator (5), turbine rotor (6),
Overcurrent cover board (7), piston hammer (8), main body are shorted (2) upper end and connect double female connectors (1), and lower end passes through six square sets (3) connection punching
It hits connector (4), the hollow cavity (18) of impact connector (4) is located at main body and is shorted in (2), the overcurrent headkerchief (22) of overcurrent cover board (7)
It is sitting in hollow cavity (18) upper port of impact connector (4), flow channels (23) insertion hollow cavity (18) of overcurrent cover board (7) is interior,
Piston hammer (8) is three-stage hollow cylinder structure, and piston hammer (8) is located at the annular between hollow cavity (18) and flow channels (23)
In space, in transmission cylinder (33) insertion flow channels (23) of turbine rotor (6), the annular table (32) in turbine rotor (6)
It is sitting on the overcurrent headkerchief (22) of overcurrent cover board (7), turbine rotor (6) upper end connects jet stream stator (5), jet stream stator (5) quilt
It is pressed at double female connector (1) lower ports；There are oblique perforation (26) inside jet stream stator (5), when fluid is logical from oblique perforation (26)
Out-of-date, jet stream is beaten on the turbo blade (36) of turbine rotor (6), so that turbine rotor (6) rotates；
Transmission cylinder (33) be it is hollow, the transmission cylinder on annular table (32) has inflow hole (31), under annular table (32)
Transmission cylinder first circulation hole (34) and second circulation hole (35) are set, flow channels (23) are correspondingly arranged the first flowing hole
(24) and the second flowing hole (25), hollow cavity (18) are correspondingly provided with the first fluid hole (17) and the second fluid hole (16).
2. turbine type axial impact device according to claim 1, it is characterised in that: the jet stream stator (5) is stuck in
Main body is shorted at the female thread of (2), and the elastomer of annular is arranged between jet stream stator (5) and double female connectors (1)；Jet stream stator (5)
Oblique perforation (26) outlet end have the inclined oblique card slot (28) of outer profile, the whirlpool of oblique card slot (28) and turbine rotor (6)
Impeller blade (36) matches；There are a limiting slot (27), the limited post (29) of turbine rotor (6) upper end in jet stream stator (5) center
It is inserted into limiting slot (27).
3. turbine type axial impact device according to claim 2, it is characterised in that: the turbine rotor limited post (29)
Lower edge have guard circle (30).
4. turbine type axial impact device according to claim 3, it is characterised in that: the impact connector (4) is hollow
One vent (19) is arranged at the bottom of chamber (18), has liquid outlet channel (15) in the middle part of impact connector (4), under liquid outlet channel (15)
There are busway (20) on the impact connector of side；There are current stabilization channel (21) between vent (19) and liquid outlet channel (15)；?
There is one section of six square joint (12) outside impact connector (4), six square joints (12) match with the inside of six square sets (3), fixed punch
It hits connector (4), the sharp place of six square joints (12) has chamfering.
5. turbine type axial impact device according to claim 4, it is characterised in that: set outside the impact connector (4)
There are annular groove (14), T stage rank (13) are set in annular groove (14) lower end.
6. turbine type axial impact device according to claim 5, it is characterised in that: the jet stream stator (5) has 1-7
Oblique perforation (26).
7. turbine type axial impact device according to claim 6, it is characterised in that: the turbine rotor (6) has 1-17
A turbo blade (36), 1-4 inflow hole (31).
8. turbine type axial impact device according to claim 7, it is characterised in that: the impact connector (4) has 1-8
Liquid outlet channel (15) has 1-6 the first fluid holes (17), there is 1-6 the second fluid holes (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179645.0A CN109025804B (en) | 2018-10-10 | 2018-10-10 | Turbine type axial impactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179645.0A CN109025804B (en) | 2018-10-10 | 2018-10-10 | Turbine type axial impactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109025804A true CN109025804A (en) | 2018-12-18 |
| CN109025804B CN109025804B (en) | 2019-12-20 |
Family
ID=64616526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811179645.0A Active CN109025804B (en) | 2018-10-10 | 2018-10-10 | Turbine type axial impactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109025804B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550696A (en) * | 2021-07-26 | 2021-10-26 | 中煤科工集团西安研究院有限公司 | Drill bit with axial rock breaking function |
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| CN201087695Y (en) * | 2007-10-16 | 2008-07-16 | 长沙黑金刚实业有限公司 | High wind pressure downhole air hammer |
| CN102953678A (en) * | 2011-08-23 | 2013-03-06 | 宜昌市五环钻机具有限责任公司 | Valveless single cylinder blind hole channel down-hole hammer |
| CN103821452A (en) * | 2014-03-11 | 2014-05-28 | 东北石油大学 | High-frequency low-amplitude axial impacter |
| CN105239922A (en) * | 2015-10-08 | 2016-01-13 | 西南石油大学 | Local reciprocating type hydraulic-impact well drilling speed increasing tool |
| AU2015101848A4 (en) * | 2014-12-26 | 2016-02-18 | Yichang Wuhuan Rock Drilling Tools Co., Ltd | Down-the-Hole Impactor |
| CN106703686A (en) * | 2017-03-08 | 2017-05-24 | 中国石油天然气集团公司 | Pulsed-jet longitudinal impactor |
-
2018
- 2018-10-10 CN CN201811179645.0A patent/CN109025804B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201087695Y (en) * | 2007-10-16 | 2008-07-16 | 长沙黑金刚实业有限公司 | High wind pressure downhole air hammer |
| CN102953678A (en) * | 2011-08-23 | 2013-03-06 | 宜昌市五环钻机具有限责任公司 | Valveless single cylinder blind hole channel down-hole hammer |
| CN103821452A (en) * | 2014-03-11 | 2014-05-28 | 东北石油大学 | High-frequency low-amplitude axial impacter |
| AU2015101848A4 (en) * | 2014-12-26 | 2016-02-18 | Yichang Wuhuan Rock Drilling Tools Co., Ltd | Down-the-Hole Impactor |
| CN105239922A (en) * | 2015-10-08 | 2016-01-13 | 西南石油大学 | Local reciprocating type hydraulic-impact well drilling speed increasing tool |
| CN106703686A (en) * | 2017-03-08 | 2017-05-24 | 中国石油天然气集团公司 | Pulsed-jet longitudinal impactor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550696A (en) * | 2021-07-26 | 2021-10-26 | 中煤科工集团西安研究院有限公司 | Drill bit with axial rock breaking function |
| CN113550696B (en) * | 2021-07-26 | 2022-07-19 | 中煤科工集团西安研究院有限公司 | Drill bit with axial rock breaking function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109025804B (en) | 2019-12-20 |
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