CN105909166A - Spiral double-stage compounding impacting device for drilling well speed raising and effect enhancing - Google Patents
Spiral double-stage compounding impacting device for drilling well speed raising and effect enhancing Download PDFInfo
- Publication number
- CN105909166A CN105909166A CN201610250089.6A CN201610250089A CN105909166A CN 105909166 A CN105909166 A CN 105909166A CN 201610250089 A CN201610250089 A CN 201610250089A CN 105909166 A CN105909166 A CN 105909166A
- Authority
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- China
- Prior art keywords
- valve body
- hammer
- spiral
- spring
- central canal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 30
- 230000000694 effects Effects 0.000 title abstract description 9
- 230000003116 impacting effect Effects 0.000 title abstract description 5
- 238000013329 compounding Methods 0.000 title abstract 3
- 230000002708 enhancing effect Effects 0.000 title abstract 2
- 239000011435 rock Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 22
- 238000007667 floating Methods 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 abstract 2
- 210000001503 joint Anatomy 0.000 abstract 1
- 230000009916 joint effect Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 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
- E21B1/00—Percussion drilling
-
- 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
- E21B4/02—Fluid rotary type drives
-
- 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
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)
- Earth Drilling (AREA)
Abstract
The invention relates to a spiral double-stage compounding impacting device for drilling well speed raising and effect enhancing in the fields of oil drilling, geological drilling and the like. The pressure of slurry can be converted into spiral impact of a center pipe. The spiral double-stage compounding impacting device has the technical scheme that an upper joint, an upper casing, a middle joint, a lower casing and a lower joint are sequentially matched through screw threads; a cavity is formed after the fixation; a valve body, a valve body spring, a driving hammer, a center pipe, a disc spring and an impact spray nozzle are sequentially arranged in the cavity from top to bottom; the driving hammer and an inner tube realize the axial positioning through an inner tube spring; through holes are uniformly formed in the peripheral direction; and a spiral bearing groove is formed in the outer surface of the center pipe. According to the tool, the driving hammer is driven to move in the axial direction through slurry pressure; the center pipe is subjected to axial impact; under the joint effects of the driving hammer, the disc spring and a spiral bearing, the center pipe drives the impact spray nozzle to generate the periodic spiral impact on the lower joint, and the impact acts on a lower part drilling tool; the rock breaking efficiency of a drill bit can be effectively improved; the drilling cost is reduced; and meanwhile, the occurrence of a stick-slip phenomenon is reduced.
Description
Technical field
The present invention relates to a kind of drilling speed potentiation for the field such as oil and gas well drilling, geological drilling with spiral
Twin-stage composite impact device.
Background technology
Conventional drilling mainly uses and utilizes rig gyroscope or bottom power drilling tool rotary drill bit to crush hole bed rock
The drilling method of stone, i.e. rotary drilling technology.And run into hard, broken rock and medium-hard when creep into
During coarse grain heterogeneity rock stratum, it may appear that drill bit efficiency of breaking rock is low, degradation problem under rate of penetration.
At present, rotary-percussive drilling is a kind of effective ways solving the problems referred to above, is to return common under normal circumstances
Turn the drilling tool top crept into plus an impacter, continuous print shock loading be delivered on drill bit, make drill bit with
Revolution cutting and impact two ways associating fractured rock.In general, outer hard, solid rock enbrittles greatly,
Anti-isostatic pressing strength is high, and the feature of resistance to shock loads ability, owing to rock is continuously applied by impacter
Shock loading, in addition to producing spliced body, also makes the crackle crack propagation of rock surface, and mechanical strength reduces, for
Rotary shear detritus creates condition advantageously.The method can improve efficiency of breaking rock, extends footage per round trip,
Reduce drilling cost.
In field of oil drilling, applying most is hydraulic impacting device and pneumatic hammer, and wherein hydraulic impacting device is widely used,
Time is longer, but there is series of problems, and as impacter structure is complicated, consumable accessory is more, block stamp stroke
Shorter, the life-span is the longest, and stability is the most high.Therefore, for solving the problem during existing impacter uses,
Devise a kind of drilling speed potentiation spiral two-stage composite impact device.
Summary of the invention
In order to solve the problem that existing hydraulic impacter using effect is undesirable and drill bit efficiency of breaking rock is the highest, the present invention carries
For a kind of drilling speed potentiation spiral two-stage composite impact device.The impacter of the present invention is with drilling fluid
(mud) is dynamic medium, utilizes high pressure liquid stream energy, and band moving valve also promotes driving hammer to move axially downward
Dynamic, make mud by inner core and drive the area of passage between hammer to change, thus during the pressure reduction that produces,
When driving hammer reaches capacity position, driving hammer and central canal primary collision, central canal is under the effect of impulsive force
With lower contact secondary collision, coordinate disc spring effect, produce the impact of periodic spiral and act on bottomhole,
Thus improve the efficiency of breaking rock of drill bit, also improve existing undesirable the asking of hydraulic impacter using effect simultaneously
Topic.
The technical scheme is that a kind of drilling speed potentiation spiral two-stage composite impact device, by top connection,
Valve body, valve body spring, upper shell, inner core, driving hammer, inner core spring, central canal, movable floating plug, floating plug
Sealing ring, center tap, lower house, lower house sealing ring, lock sleeve, upper bush, disc spring, lower sleeve, spray
Mouth sealing ring, impulse nozzle, lower contact, support set and lower contact sealing ring composition, it is characterised in that: above connect
Head, upper shell, center tap, lower house and lower contact pass sequentially through threaded, are internally formed cavity after fixing,
Cavity is valve body, valve body spring the most successively, drives hammer, central canal, disc spring, impact to touch mouth；Valve body
Upper end is provided with 3 flowing water through holes that circumference is uniform, and lower end uses matched in clearance with driving hammer upper end；Driving hammer sets
There are 4 the most circumferential 6 the uniform flowing water through holes of row；Valve body spring be positioned over valve body and drive hammer shoulder it
Between；Inner core is provided with 6 uniform deep holes of end face, 4 rows equidistantly circumference annular dead slot, with upper shell screw thread even
Connect, hammer matched in clearance into shape with driving；Valve body spring is positioned between inner core and the shoulder driving hammer；Central canal appearance
Face is respectively equipped with the 3 row uniform linear bearing groove of circumference and angle pedestal bearing grooves, and its top hammers matched in clearance into shape with driving,
Middle bench coordinates with disc spring, threadeds with impulse nozzle in bottom；Movable floating plug is positioned at central canal and center tap
Between；Lock sleeve outer surface is provided with rectangular thread and is connected with lower contact, and it is the most circumferentially distributed that inside is provided with four rows
Semicircle bearing groove, every deploying close 3 balls；Lock sleeve is followed successively by downwards upper bush, disc spring, lower sleeve；
Being provided with 3 row screw bearings of circumference office cloth inside upper bush, each column can coordinate 4 balls；Disc spring is positioned at set
Cylinder, lower sleeve shoulder between；Lower sleeve lower surface axially positions with lower contact upper surface；Movable floating plug with in
Floating plug sealing ring it is provided with between heart pipe；Lower house sealing ring it is provided with between lower house and central canal；Impulse nozzle with
Sealed nozzle circle it is provided with between lower contact；Support set and lower contact sealing ring it is provided with between lower house and lower contact.
The invention has the beneficial effects as follows: (1) utilizes the through hole axial area change of inner core and jump bit to produce pressure differential,
Realize axial impact, and coordinate disc spring to make central canal produce periodically reciprocating motion, decrease auxiliary energy
Supply, improves capacity usage ratio；(2), in central canal reciprocatory movement, produce under the effect of screw bearing
Raw axial and circumferential compound motion, and lower drilling tool is carried out repeat impact, the efficiency of breaking rock of drill bit can be improved,
Reduce the generation of stick-slip phenomenon simultaneously；(3) with other instruments with the use of, it is possible to effectively control and increase drill bit
Rate of penetration, extend drilling tool service life；(4) floating piston is for sealing the drilling fluid that upper shell is revealed
The vibration with the balance helicoid hydraulic motor impact on drilling liquid pressure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view in A-A face in Fig. 1 of the present invention；
Fig. 3 is the sectional view in B-B face in Fig. 1 of the present invention；
Fig. 4 is the sectional view in C-C face in Fig. 1 of the present invention；
Fig. 5 is the graphics of inner core in Fig. 1 of the present invention；
Fig. 6 is the graphics of central canal in Fig. 1 of the present invention；
Fig. 7 is the graphics of lock sleeve in Fig. 1 of the present invention；
Fig. 8 is the graphics of upper bush in Fig. 1 of the present invention；
In figure: 1. top connection, 2. valve body, 3. valve body spring, 4. upper shell, 5. inner core, 6. drive hammer, 7. in
Cylinder spring, 8. central canal, 9. movable floating plug, 10. floating plug sealing ring, 11. center taps, 12. lower houses,
13. lower house sealing rings, 14. lock sleeves, 15. upper bushes, 16. disc springs, 17. lower houses, 18. nozzles
Sealing ring, 19. impulse nozzles, 20. lower contacts, 21. support sets, 22. lower contact sealing rings.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
See accompanying drawing 1, a kind of drilling speed potentiation spiral two-stage composite impact device, by top connection 1, valve body 2,
Valve body spring 3, upper shell 4, inner core 5, drive hammer 6, inner core spring 7, central canal 8, movable floating plug 9,
Floating plug sealing ring 10, center tap 11, lower house 12, lower house sealing ring 13, lock sleeve 14, upper bush
15, disc spring 16, lower sleeve 17, sealed nozzle circle 18, impulse nozzle 19, lower contact 20, support set 21
Form with lower contact sealing ring 22, it is characterised in that: top connection 1, upper shell 4, center tap 11, lower casing
Body 12 and lower contact 20 pass sequentially through threaded, are internally formed cavity after fixing, and cavity is the most successively
It is valve body 2, valve body spring 3, drives hammer 6, central canal 8, disc spring 16, impact to touch mouth 20；On valve body 2
End is provided with 3 flowing water through holes that circumference is uniform, and lower end uses matched in clearance with driving hammer 6 upper end；Drive hammer 6
It is provided with 4 the most circumferential 6 the uniform flowing water through holes of row；Valve body spring 3 is positioned over valve body 2 and drives hammer 6
Shoulder between；Inner core 5 is provided with 6 uniform semicircle deep holes of end face, 4 rows equidistantly circumference annular dead slot,
6 matched in clearance are hammered into shape with driving；Valve body spring 7 is positioned between inner core 5 and the shoulder driving hammer 6；Central canal
8 outer surfaces are respectively equipped with the 3 row uniform linear bearing groove of circumference and angle pedestal bearing grooves, between its top and driving hammer 6
Gap coordinates, and middle bench coordinates with disc spring 16, threadeds with impulse nozzle 19 in bottom；Movable floating plug 9
Between central canal 8 and center tap 11；Lock sleeve 14 surface is provided with rectangular thread and is connected with lower contact 12,
Inside is provided with the semicircle bearing groove that four rows are the most circumferentially distributed, and 3 balls are closed in every deploying；Lock sleeve 14 to
Under be followed successively by upper bush 15, disc spring 16, lower sleeve 17；Internal 3 row being provided with circumference office cloth of upper bush 15
Screw bearing, each column can coordinate 4 balls；Disc spring 16 be positioned at upper bush 15, lower sleeve 17 shoulder it
Between；Lower sleeve 17 upper surface axially positions with lower contact 20 upper surface；It addition, movable floating plug 9 and central canal
Floating plug sealing ring 10 it is provided with between 8；Lower house sealing ring 13 it is provided with between lower house 12 and central canal 8；Punching
Hit and between nozzle 19 and lower contact 20, be provided with sealed nozzle circle 18；Prop up between lower house 12 and lower contact 20
Support set 21 and lower contact sealing ring 22.
During operation, mud passes through top connection 1 channel pressings valve body 2 and spring 3, flows in entering top connection 1 cavity
After valve body 2 through hole, enter and drive hammer 6.Along with increasing of mud, mud pressure increases, valve body 2 and valve body
Spring 3 promotes driving hammer 6 down to move together, drives hammer 6 through holes gradually to increase with inner core 5 through hole area of passage
Greatly, pressure reduction is gradually reduced.When area of passage maximum, hammer 6 is driven to collide with central canal 8, central canal 8
Connect impulse nozzle 19 to move down, with lower contact 20 secondary collision.Under the effect of disc spring 16, center
Pipe 8 up moves, and drives jump bit 6 up to move；Drive hammer 6 through holes and inner core 5 through hole area of passage
Gradually increasing little, pressure reduction gradually subtracts greatly, under the common effect of valve body spring 3, inner core spring 7 and mud, drives
Dynamic hammer 6 reaches capacity behind position, down moves, and now the period of motion completes, the action before repeating afterwards,
The periodic movement of property and so forth, produces certain frequency and the stable impulsive force of size.
Claims (3)
1. a drilling speed potentiation spiral two-stage composite impact device, by top connection (1), valve body (2), valve body spring (3),
Upper shell (4), inner core (5), drive hammer (6), inner core spring (7), central canal (8), movable floating plug (9), floating plug close
Seal (10), center tap (11), lower house (12), lower house sealing ring (13), lock sleeve (14), upper bush (15),
Disc spring (16), lower sleeve (17), sealed nozzle circle (18), impulse nozzle (19), lower contact (20), support set (21)
Form with lower contact sealing ring (22), it is characterised in that: top connection (1), upper shell (4), center tap (11), lower house
And lower contact (20) passes sequentially through threaded (12), fixing after be internally formed cavity, cavity is valve body the most successively
(2), mouth (20) is touched in valve body spring (3), driving hammer (6), central canal (8), disc spring (16), impact；On valve body (2)
End is provided with 3 flowing water through holes that circumference is uniform, and lower end uses matched in clearance with driving hammer (6) upper end；Hammer (6) is driven to be provided with
4 the most circumferential 6 the uniform flowing water through holes of row；Valve body spring (3) is positioned over valve body (2) and drives the shoulder of hammer (6)
Between；Inner core (5) is provided with 6 uniform semicircle deep holes of end face, 4 rows equidistantly circumference annular dead slot, hammers (6) into shape with driving
Matched in clearance；Valve body spring (7) is positioned between inner core (5) and the shoulder driving hammer (6)；Central canal (8) outer surface
Being respectively equipped with the 3 row uniform linear bearing groove of circumference and angle pedestal bearing grooves, its top hammers (6) matched in clearance, middle bench into shape with driving
Coordinating with disc spring (16), threadeds with impulse nozzle (19) in bottom；Movable floating plug (9) be positioned at central canal (8) and in
Between joint (11)；Lock sleeve (14) outer surface is provided with rectangular thread and is connected with lower contact (12), and inside is provided with four rows etc.
The semicircle bearing groove that spacing is circumferentially distributed, 3 balls are closed in every deploying；Lock sleeve (14) is followed successively by downwards upper bush (15), dish
Spring (16), lower sleeve (17)；The internal 3 row screw bearings being provided with circumference office cloth of upper bush (15), each column can coordinate 4
Ball；Disc spring (16) is positioned between the shoulder of upper bush (15), lower sleeve (17)；Lower sleeve (17) lower surface with under connect
Head (20) upper surface axially positions；It addition, be provided with floating plug sealing ring (10) between movable floating plug (9) and central canal (8)；
Lower house sealing ring (13) it is provided with between lower house (12) and central canal (8)；Impulse nozzle (19) and lower contact (20)
Between be provided with sealed nozzle circle (18)；It is provided with support set (21) between lower house (12) and lower contact (20) and lower contact is close
Seal (22).
A kind of drilling speed potentiation spiral two-stage composite impact device the most according to claim 1, it is characterised in that: described
Driving hammer (6) to travel forward under the driving of mud pressure, when pressure is less, mud enters from the through hole of valve body (2) and drives
Dynamic hammer (6)；When pressure is bigger, mud promotes and drives hammer (6) to make it connect with inner core (5), and mud is from inner core (5)
Through hole flows into and drives hammer (6) through hole.
A kind of drilling speed potentiation spiral two-stage composite impact device the most according to claim 1, it is characterised in that: described
Forming threaded engagement between central canal (8) and lock sleeve (14), upper bush (15), central canal (8) can realize spiral impact,
Act on bottom drill tool, thus improve drill bit efficiency of breaking rock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250089.6A CN105909166B (en) | 2016-04-21 | 2016-04-21 | Drilling speed synergy spiral two-stage composite impact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250089.6A CN105909166B (en) | 2016-04-21 | 2016-04-21 | Drilling speed synergy spiral two-stage composite impact device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909166A true CN105909166A (en) | 2016-08-31 |
| CN105909166B CN105909166B (en) | 2017-11-03 |
Family
ID=56747699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610250089.6A Expired - Fee Related CN105909166B (en) | 2016-04-21 | 2016-04-21 | Drilling speed synergy spiral two-stage composite impact device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909166B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703699A (en) * | 2016-12-21 | 2017-05-24 | 西南石油大学 | Vibrator capable of providing secondary impact through pressure pulse |
| CN106939763A (en) * | 2017-05-04 | 2017-07-11 | 西南石油大学 | A kind of unconventional tight stratum percussion tool |
| CN106948753A (en) * | 2017-05-08 | 2017-07-14 | 西南石油大学 | A kind of pulsed drilling fluid hammer |
| CN107420055A (en) * | 2017-08-16 | 2017-12-01 | 中国石油天然气集团公司 | Drilling well bypasses circulation tool |
| CN107664015A (en) * | 2017-11-07 | 2018-02-06 | 西南石油大学 | Screw double acting speed-raising instrument |
| CN107816316A (en) * | 2017-09-13 | 2018-03-20 | 西南石油大学 | A kind of underground of double pressure chamber effects puies forward effect instrument and its method |
| CN108756732A (en) * | 2018-08-02 | 2018-11-06 | 西南石油大学 | Circumferential impactor based on screw rod and spring |
| CN108798502A (en) * | 2018-07-03 | 2018-11-13 | 西南石油大学 | Screw composite impact device |
| CN110468898A (en) * | 2018-05-11 | 2019-11-19 | 山特维克矿山工程机械有限公司 | Tooling sleeve, quartering hammer and installation method |
| CN110725646A (en) * | 2018-07-17 | 2020-01-24 | 中石化石油工程技术服务有限公司 | Jet type three-dimensional composite impactor |
| CN113756723A (en) * | 2020-06-01 | 2021-12-07 | 中国石油天然气集团有限公司 | Rock debris impact compression tool |
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| CN85202387U (en) * | 1985-06-07 | 1986-04-02 | 地质矿产部石油钻井研究所 | Fluid operated hammer for the use of oil rotary drilling |
| CN85107194A (en) * | 1985-09-26 | 1987-04-08 | 河北省保定地区行政公署水利局 | Supercharger drives the drilling method of hole hammer |
| JPH03290589A (en) * | 1990-04-07 | 1991-12-20 | Kanobooring:Kk | Boring device |
| JPH11182170A (en) * | 1997-12-19 | 1999-07-06 | Furukawa Co Ltd | Shock device |
-
2016
- 2016-04-21 CN CN201610250089.6A patent/CN105909166B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202387U (en) * | 1985-06-07 | 1986-04-02 | 地质矿产部石油钻井研究所 | Fluid operated hammer for the use of oil rotary drilling |
| CN85107194A (en) * | 1985-09-26 | 1987-04-08 | 河北省保定地区行政公署水利局 | Supercharger drives the drilling method of hole hammer |
| JPH03290589A (en) * | 1990-04-07 | 1991-12-20 | Kanobooring:Kk | Boring device |
| JPH11182170A (en) * | 1997-12-19 | 1999-07-06 | Furukawa Co Ltd | Shock device |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703699B (en) * | 2016-12-21 | 2018-06-22 | 西南石油大学 | Pressure pulse realizes the oscillator of secondary pulse |
| CN106703699A (en) * | 2016-12-21 | 2017-05-24 | 西南石油大学 | Vibrator capable of providing secondary impact through pressure pulse |
| CN106939763A (en) * | 2017-05-04 | 2017-07-11 | 西南石油大学 | A kind of unconventional tight stratum percussion tool |
| CN106948753A (en) * | 2017-05-08 | 2017-07-14 | 西南石油大学 | A kind of pulsed drilling fluid hammer |
| CN107420055A (en) * | 2017-08-16 | 2017-12-01 | 中国石油天然气集团公司 | Drilling well bypasses circulation tool |
| CN107420055B (en) * | 2017-08-16 | 2023-06-30 | 中国石油天然气集团公司 | Drilling bypass circulation tool |
| CN107816316A (en) * | 2017-09-13 | 2018-03-20 | 西南石油大学 | A kind of underground of double pressure chamber effects puies forward effect instrument and its method |
| CN107816316B (en) * | 2017-09-13 | 2019-10-29 | 西南石油大学 | A kind of underground of double pressure chambers effect proposes effect tool and its method |
| CN107664015A (en) * | 2017-11-07 | 2018-02-06 | 西南石油大学 | Screw double acting speed-raising instrument |
| CN107664015B (en) * | 2017-11-07 | 2023-06-30 | 西南石油大学 | Screw type double-acting accelerating tool |
| CN110468898B (en) * | 2018-05-11 | 2022-09-06 | 山特维克矿山工程机械有限公司 | Tool bushing, breaking hammer and mounting method |
| CN110468898A (en) * | 2018-05-11 | 2019-11-19 | 山特维克矿山工程机械有限公司 | Tooling sleeve, quartering hammer and installation method |
| US11478914B2 (en) | 2018-05-11 | 2022-10-25 | Sandvik Mining And Construction Oy | Tool bushing, breaking hammer and mounting method |
| CN108798502A (en) * | 2018-07-03 | 2018-11-13 | 西南石油大学 | Screw composite impact device |
| CN110725646A (en) * | 2018-07-17 | 2020-01-24 | 中石化石油工程技术服务有限公司 | Jet type three-dimensional composite impactor |
| CN108756732A (en) * | 2018-08-02 | 2018-11-06 | 西南石油大学 | Circumferential impactor based on screw rod and spring |
| CN108756732B (en) * | 2018-08-02 | 2023-11-14 | 西南石油大学 | Circumferential impactor based on screw and spring |
| CN113756723A (en) * | 2020-06-01 | 2021-12-07 | 中国石油天然气集团有限公司 | Rock debris impact compression tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909166B (en) | 2017-11-03 |
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