CN105909166B - Drilling speed synergy spiral two-stage composite impact device - Google Patents
Drilling speed synergy spiral two-stage composite impact device Download PDFInfo
- Publication number
- CN105909166B CN105909166B CN201610250089.6A CN201610250089A CN105909166B CN 105909166 B CN105909166 B CN 105909166B CN 201610250089 A CN201610250089 A CN 201610250089A CN 105909166 B CN105909166 B CN 105909166B
- Authority
- CN
- China
- Prior art keywords
- central tube
- valve body
- inner cylinder
- driving hammer
- spring
- 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.)
- Expired - Fee Related
Links
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
- E21B1/00—Percussion drilling
-
- 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
- E21B4/02—Fluid rotary type drives
-
- 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
- E21B4/06—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 present invention relates to a kind of drilling speed synergy spiral two-stage composite impact device for fields such as oil drilling, geological drillings.It can be converted to the pressure energy of mud the spiral impact of central tube.Its technical scheme is：Top connection, upper shell, center tap, lower house and lower contact pass sequentially through screw thread cooperation, and cavity is internally formed after fixing, and cavity is valve body, valve body spring successively from top to bottom, drives hammer, central tube, disc spring, impact to touch mouth；Driving hammer and inner cylinder are circumferentially equipped with through hole by inner cylinder spring axially position；Center tube outer surface is provided with screw bearing groove.The instrument drives driving hammer to be axially moved by mud pressure, and axial impact is produced to central tube；Under the collective effect of driving hammer, disc spring and screw bearing, central tube drives impulse nozzle to produce periodic spiral impact to lower contact, and acts on lower drilling tool, can effectively improve the efficiency of breaking rock of drill bit, drilling cost is reduced, while reducing the generation of stick-slip phenomenon.
Description
Technical field
The present invention relates to a kind of drilling speed synergy for fields such as oil and gas well drilling, geological drillings with spirally
Twin-stage composite impact device.
Background technology
Conventional drilling mainly uses using rig gyrator or bottom power drilling tool rotary drill bit to crush bottom hole rock
The drilling method of stone, i.e. rotary drilling technology.And when drilling runs into hard, broken rock and medium-hard coarse grain heterogeneity
During rock stratum, it may appear that drill bit efficiency of breaking rock is low, the problems such as rate of penetration declines.
At present, rotary-percussive drilling is a kind of effective ways solved the above problems, is returned in common under normal circumstances
Turn the drilling tool top of drilling plus an impactor, continuous shock loading is delivered on drill bit, makes drill bit to turn round cutting
With impact two ways joint fractured rock.In general, outer hard, solid rock big, the anti-isostatic pressing strength that enbrittles is high, and resists
It is the characteristics of shock loading ability, external except shearing is produced because impactor continuously applies shock loading to rock, also
Make the crackle crack propagation of rock surface, mechanical strength reduction is that rotary shear detritus creates condition advantageously.This side
Method can improve efficiency of breaking rock, extend footage per round trip, reduce drilling cost.
In field of oil drilling, using it is most be hydraulic impacting device and pneumatic hammer, wherein hydraulic impacting device is widely used,
Time is longer, but there is a series of problems, and such as impactor is complicated, and consumable accessory is more, and block stamp stroke is shorter, and the life-span is not
Long, stability is not high.Therefore, for during the existing impactor use of solution the problem of, devise a kind of drilling speed synergy
With spiral two-stage composite impact device.
The content of the invention
The problem of in order to solve undesirable existing hydraulic impacter using effect and not high drill bit efficiency of breaking rock, the present invention is carried
For a kind of drilling speed synergy spiral two-stage composite impact device.The present invention impactor be with drilling fluid (mud)
Dynamic medium, using high pressure liquid stream energy, band moving valve simultaneously promotes driving hammer axially downward, make mud by inner cylinder with
Area of passage between driving hammer changes, thus during the pressure difference that produces, when drive hammer reach capacity position when, driving
Hammer with central tube primary collision, central tube in the presence of impulsive force with lower contact secondary collision, coordinate disc spring effect, produce week
The spiral impact of phase property is acted on bottomhole, so that the efficiency of breaking rock of drill bit is improved, while also improving existing punching of surging
Hit the problem of device using effect is undesirable.
The technical scheme is that：A kind of drilling speed synergy spiral two-stage composite impact device, by top connection, valve
Body, valve body spring, upper shell, inner cylinder, driving hammer, inner cylinder spring, central tube, activity floating plug, floating plug sealing ring, center tap, under
Housing, lower casing body sealing ring, lock sleeve, upper bush, disc spring, lower sleeve, sealed nozzle circle, impulse nozzle, lower contact, support set
With lower contact sealing ring composition, it is characterised in that：Top connection, upper shell, center tap, lower house and lower contact pass sequentially through screw thread
Connection, is internally formed cavity after fixing, cavity is valve body, valve body spring, driving hammer, central tube, disc spring, punching successively from top to bottom
Hit and touch mouth；Valve body upper end is coordinated provided with circumferential 3 uniform flowing water through holes, lower end with driving hammer upper end using gap；Driving hammer
Provided with the equidistant circumferential 6 uniform flowing water through holes of 4 rows；Valve body spring is positioned between the shoulder of valve body and driving hammer；Inner cylinder
Provided with the uniform deep hole of 6 end faces, the equidistant circumferential annular dead slot of 4 rows, inwall and the driving of inner cylinder are hammered gap into shape and coordinated；Inner cylinder bullet
Spring is positioned between the shoulder of inner cylinder and driving hammer；Center tube outer surface be respectively equipped with the circumferentially uniform linear bearing groove of 3 row and
Angle pedestal bearing groove, central tube top coordinates with driving hammer gap, and middle bench coordinates with disc spring, and bottom connects with impulse nozzle screw thread
Connect；Movable floating plug is located between central tube and center tap；Lock sleeve outer surface is connected provided with rectangular thread with lower contact, and inside is set
There is the equidistant circumferentially distributed semicircle bearing groove of four rows, 3 balls are closed per deploying；Lock sleeve be followed successively by downwards upper bush, disc spring,
Lower sleeve；Provided with circumferential 3 uniform row screw bearings inside upper bush, each column can coordinate 4 balls；Disc spring be located at upper bush,
Between the shoulder of lower sleeve；Lower sleeve lower surface and lower contact upper surface axially position；It is provided between movable floating plug and central tube
Floating plug sealing ring；Lower casing body sealing ring is provided between lower house and central tube；It is close provided with nozzle between impulse nozzle and lower contact
Seal；Support set and lower contact sealing ring are provided between lower house and lower contact.
The beneficial effects of the invention are as follows：(1) pressure differential is produced using the through hole axial area change of inner cylinder and jump bit, it is real
Existing axial impact, and coordinate disc spring central tube is produced periodic reciprocating motion, the supply of auxiliary energy is reduced, is improved
Capacity usage ratio；(2) in central tube reciprocatory movement, axial and circumferential compound motion is produced in the presence of screw bearing,
And repeat impact is carried out to lower drilling tool, the efficiency of breaking rock of drill bit can be improved, while reducing the generation of stick-slip phenomenon；(3) and its
He uses cooperatively instrument, can effectively control and increase the rate of penetration of drill bit, extends the service life of drilling tool；(4) float and live
Fill in the drilling fluid for sealing upper shell leakage and balance influence of the vibration of helicoid hydraulic motor to drilling liquid pressure.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view in A-A faces in Fig. 1 of the present invention；
Fig. 3 is the sectional view in B-B faces in Fig. 1 of the present invention；
Fig. 4 is the sectional view in C-C faces in Fig. 1 of the present invention；
Fig. 5 is the graphics of inner cylinder in Fig. 1 of the present invention；
Fig. 6 is the graphics of central tube 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 bodies, 3. valve body springs, 4. upper shells, 5. inner cylinders, 6. driving hammers, 7. inner cylinder springs,
8. central tube, 9. movable floating plugs, 10. floating plug sealing rings, 11. center taps, 12. lower houses, 13. lower casing body sealing rings, 14. lockings
Set, 15. upper bushes, 16. disc springs, 17. lower houses, 18. sealed nozzle circles, 19. impulse nozzles, 20. lower contacts, 21. support sets,
22. lower contact sealing ring.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Referring to accompanying drawing 1, a kind of drilling speed synergy spiral two-stage composite impact device, by top connection 1, valve body 2, valve body
Spring 3, upper shell 4, inner cylinder 5, driving hammer 6, inner cylinder spring 7, central tube 8, movable floating plug 9, floating plug sealing ring 10, center tap
11st, lower house 12, lower casing body sealing ring 13, lock sleeve 14, upper bush 15, disc spring 16, lower sleeve 17, sealed nozzle circle 18, punching
Nozzle 19, lower contact 20, support set 21 and lower contact sealing ring 22 is hit to constitute, it is characterised in that：Top connection 1, upper shell 4, in
Joint 11, lower house 12 and lower contact 20 pass sequentially through threaded connection, it is fixed after be internally formed cavity, cavity is from top to bottom successively
It is valve body 2, valve body spring 3, drives hammer 6, central tube 8, disc spring 16, impact to touch mouth 19；The upper end of valve body 2 is provided with circumferentially uniform 3
Individual flowing water through hole, lower end is coordinated with driving 6 upper ends of hammer using gap；Driving hammer 6 is provided with the equidistant circumferential 6 uniform streams of 4 rows
Water through hole；Valve body spring 3 is positioned between the shoulder of valve body 2 and driving hammer 6；Inner cylinder 5 is deep provided with the uniform semicircle of 6 end faces
Hole, the equidistant circumferential annular dead slot of 4 rows, inwall and the driving of inner cylinder 5 are hammered 6 gaps into shape and coordinated；Inner cylinder spring 7 is positioned over the He of inner cylinder 5
Between the shoulder of driving hammer 6；The outer surface of central tube 8 is respectively equipped with the circumferentially uniform linear bearing groove and angle pedestal bearing groove of 3 row, center
The top of pipe 8 coordinates with 6 gaps of driving hammer, and middle bench coordinates with disc spring 16, and bottom is threadedly coupled with impulse nozzle 19；Movable floating
Plug 9 is located between central tube 8 and center tap 11；The surface of lock sleeve 14 is connected provided with rectangular thread with lower contact 12, and inside is provided with
The equidistant circumferentially distributed semicircle bearing groove of four rows, 3 balls are closed per deploying；Lock sleeve 14 is followed successively by upper bush 15, dish downwards
Spring 16, lower sleeve 17；The inside of upper bush 15 can coordinate 4 balls provided with circumferential 3 uniform row screw bearings, each column；Disc spring 16
Between upper bush 15, the shoulder of lower sleeve 17；The upper surface of lower sleeve 17 and the upper surface axially position of lower contact 20；In addition,
Floating plug sealing ring 10 is provided between movable floating plug 9 and central tube 8；Lower casing body sealing ring is provided between lower house 12 and central tube 8
13；Sealed nozzle circle 18 is provided between impulse nozzle 19 and lower contact 20；Between lower house 12 and lower contact 20 support set 21 and
Lower contact sealing ring 22.
During operation, mud by the channel pressings valve body 2 of top connection 1 and spring 3, into the cavity of top connection 1 in flow into valve body 2
After through hole, into driving hammer 6.With increasing for mud, mud pressure increase, valve body 2 and valve body spring 3 promote driving to hammer into shape together
6 down move, and driving 6 through holes of hammer gradually increase with the through hole area of passage of inner cylinder 5, and pressure difference is gradually reduced.When area of passage is maximum
When, driving hammer 6 is collided with central tube 8, and the connection impulse nozzle 19 of central tube 8 is moved down, with the secondary collision of lower contact 20.In dish
In the presence of spring 16, central tube 8 is up moved, and drives jump bit 6 up to move；Driving 6 through holes of hammer and the through hole excessively stream of inner cylinder 5
Area gradually increases small, and pressure difference gradually subtracts greatly, under the collective effect of valve body spring 3, inner cylinder spring 7 and mud, and driving hammer 6 reaches
After extreme position, down move, now period of motion completion, the periodic motion of action, and so on property before repeating afterwards,
Produce the impact of the stabilization of certain frequency and size.
Claims (3)
1. a kind of drilling speed synergy spiral two-stage composite impact device, by top connection (1), valve body (2), valve body spring (3),
Upper shell (4), inner cylinder (5), driving hammer (6), inner cylinder spring (7), central tube (8), movable floating plug (9), floating plug sealing ring (10),
Center tap (11), lower house (12), lower casing body 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) and lower contact sealing ring (22) composition,
It is characterized in that：Top connection (1), upper shell (4), center tap (11), lower house (12) and lower contact (20) pass sequentially through screw thread
Connection, is internally formed cavity after fixing, cavity is valve body (2), valve body spring (3), driving hammer (6), center successively from top to bottom
Manage (8), disc spring (16), impulse nozzle (19)；Hammered into shape provided with circumferential 3 uniform flowing water through holes, lower end with driving valve body (2) upper end
(6) upper end is coordinated using gap；Driving hammer (6) is provided with the equidistant circumferential 6 uniform flowing water through holes of 4 rows；Valve body spring (3) is put
Between the shoulder for being placed in valve body (2) and driving hammer (6)；Inner cylinder (5) is provided with the uniform semicircle deep hole of 6 end faces, and 4 rows are equidistantly all
To annular dead slot, inwall and driving hammer (6) gap of inner cylinder (5) coordinate；Inner cylinder spring (7) is positioned over inner cylinder (5) and driving hammer
(6) between shoulder；Central tube (8) outer surface is respectively equipped with the circumferentially uniform linear bearing groove and angle pedestal bearing groove of 3 row, central tube
(8) top coordinates with driving hammer (6) gap, and middle bench coordinates with disc spring (16), and bottom is threadedly coupled with impulse nozzle (19)；
Movable floating plug (9) is located between central tube (8) and center tap (11)；Lock sleeve (14) outer surface is provided with rectangular thread and lower contact
(20) connect, inside closes 3 balls per deploying provided with the equidistant circumferentially distributed semicircle bearing groove of four rows；Lock sleeve (14) to
Under be followed successively by upper bush (15), disc spring (16), lower sleeve (17)；Provided with circumferential 3 uniform row helical axis inside upper bush (15)
Hold, each column can coordinate 4 balls；Disc spring (16) is located between upper bush (15), the shoulder of lower sleeve (17)；Under lower sleeve (17)
End face and lower contact (20) upper surface axially position；In addition, being provided with floating plug sealing ring between movable floating plug (9) and central tube (8)
(10)；Lower casing body sealing ring (13) is provided between lower house (12) and central tube (8)；Impulse nozzle (19) and lower contact (20) it
Between be provided with sealed nozzle circle (18)；Support set (21) and lower contact sealing ring are provided between lower house (12) and lower contact (20)
(22)。
2. a kind of drilling speed synergy spiral two-stage composite impact device according to claim 1, it is characterised in that：Institute
The driving hammer (6) stated travels forward under the driving of mud pressure, and when pressure is smaller, mud enters from the through hole of valve body (2)
Driving hammer (6)；When pressure is larger, mud promotes driving hammer (6) it is connected with inner cylinder (5), and mud leads to from inner cylinder (5)
Driving hammer (6) through hole is flowed into hole.
3. a kind of drilling speed synergy spiral two-stage composite impact device according to claim 1, it is characterised in that：Institute
Threaded engagement is formed between the central tube (8) and lock sleeve (14), upper bush (15) stated, spiral impact can be achieved in central tube (8),
Act on bottom drill tool, so as to 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 CN105909166A (en) | 2016-08-31 |
| CN105909166B true 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) |
Families Citing this family (9)
| 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 |
| CN106939763B (en) * | 2017-05-04 | 2019-01-04 | 西南石油大学 | A kind of unconventional tight stratum percussion tool |
| CN106948753B (en) * | 2017-05-08 | 2018-12-21 | 西南石油大学 | A kind of pulsed drilling fluid hammer |
| CN107420055B (en) * | 2017-08-16 | 2023-06-30 | 中国石油天然气集团公司 | Drilling bypass circulation tool |
| 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 |
| CN107664015B (en) * | 2017-11-07 | 2023-06-30 | 西南石油大学 | Screw type double-acting accelerating tool |
| EP3566817B1 (en) * | 2018-05-11 | 2022-08-17 | Sandvik Mining and Construction Oy | Tool bushing, tool bushing arrangement, breaking hammer and mounting method |
| CN108798502A (en) * | 2018-07-03 | 2018-11-13 | 西南石油大学 | Screw composite impact device |
| CN108756732B (en) * | 2018-08-02 | 2023-11-14 | 西南石油大学 | Circumferential impactor based on screw and spring |
Family Cites Families (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 |
| JP2784454B2 (en) * | 1990-04-07 | 1998-08-06 | 株式会社カノボーリング | Boring equipment |
| JP3888492B2 (en) * | 1997-12-19 | 2007-03-07 | 古河機械金属株式会社 | Impact device |
-
2016
- 2016-04-21 CN CN201610250089.6A patent/CN105909166B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909166A (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105909166B (en) | Drilling speed synergy spiral two-stage composite impact device | |
| CN106050129B (en) | A kind of drilling tool that rotary impact is realized using turbine | |
| CN103244052B (en) | Hydraulic hammer rod type impact drilling tool | |
| CN102587832B (en) | Pressure resistant tool for reducing frictional resistance of horizontal well section | |
| CN102191915B (en) | Resonant pulse vibrating drilling device | |
| CN105239922A (en) | Local reciprocating type hydraulic-impact well drilling speed increasing tool | |
| CN104533283B (en) | One surge circumference torsional impact generator | |
| CN203701951U (en) | Torsion impact generator | |
| CN202990851U (en) | Screw type high-frequency percussion drilling tool | |
| CN105569563A (en) | Rotary drilling rig bit capable of impact drilling | |
| CN106639943A (en) | High-frequency torsion-restoration axial vibration impacting tool | |
| CN101581196B (en) | Impacting helicoid hydraulic motor and transmission shaft assembly | |
| CN111173443A (en) | Double-liquid-drive rotary percussion drilling impactor and double-liquid-drive rotary percussion drilling method | |
| CN205743711U (en) | Surge and push away multiple shock oscillator | |
| CN201031614Y (en) | Hydraulic impacter for well drilling | |
| CN201443299U (en) | Screw drill transmission shaft assembly with impact function | |
| CN104329019B (en) | High-frequency drilling impactor | |
| CN205259935U (en) | Drill bit is dug soon to impacted style | |
| CN208203155U (en) | The reciprocating absorbing tool of external spring | |
| CN104563859A (en) | Hydro-hammer | |
| CN107246238B (en) | Integrated impact downhole power drilling tool | |
| CN203685022U (en) | Liquid-operated impactor | |
| CN105756597A (en) | Jar | |
| CN108301787A (en) | The reciprocating absorbing tool of external spring | |
| CN201016271Y (en) | Pneumatic hammer for well drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tian Jialin Inventor after: Du Fan Inventor after: Zhou Tao Inventor after: Cai Xudong Inventor after: Zhu Zhi Inventor after: Yang Zhi Inventor after: Yang Lin Inventor after: Liu Gang Inventor after: Yuan Changfu Inventor after: Wu Bo Inventor after: Yang Yinglin Inventor after: Hu Shuhui Inventor before: Tian Jialin Inventor before: Du Fan Inventor before: Zhou Tao Inventor before: Cai Xudong Inventor before: Yang Zhi Inventor before: Yang Lin Inventor before: Wu Chunming Inventor before: Liu Gang Inventor before: Yuan Changfu Inventor before: Wu Bo Inventor before: Yang Yinglin Inventor before: Hu Shuhui |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20180421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |