CN107100541B - A kind of impact type drilling tool by generating bit pressure disturbance - Google Patents
A kind of impact type drilling tool by generating bit pressure disturbance Download PDFInfo
- Publication number
- CN107100541B CN107100541B CN201710310105.0A CN201710310105A CN107100541B CN 107100541 B CN107100541 B CN 107100541B CN 201710310105 A CN201710310105 A CN 201710310105A CN 107100541 B CN107100541 B CN 107100541B
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- drive shaft
- lower drive
- drilling tool
- ontology
- tool ontology
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- 238000005553 drilling Methods 0.000 title claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 210000003746 feather Anatomy 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 13
- 238000009825 accumulation Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
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- 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
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The impact type drilling tool that the invention discloses a kind of by generating bit pressure disturbance, including top connection, ontology and lower drive shaft, the connection of the upper end of top connection and ontology, lower drive shaft is mounted on the center of ontology, feather key fit system is taken between ontology and lower drive shaft, toroidal cavity is formed between ontology and lower drive shaft, disk spring is provided in toroidal cavity, it is sequentially installed with baffle in the top connection, impeller base and upper oscillating body, impeller is provided in impeller base, in baffle, the flow channel for liquids for being provided centrally with perforation of impeller base and upper oscillating body, the upper end of lower drive shaft is provided with anti-skidding tripping, the lower end of the top connection, the upper end of ontology, the pressurization annular space of connection flow channel for liquids is formed between upper oscillating body and anti-skidding tripping.The present invention generates disturbance bit pressure by wheel rotation or drillstring vibrations, while matching with the rotation of drill bit itself, generates failure by shear effect to stratum, can effectively improve the efficiency of breaking rock of drill bit.
Description
Technical field
The impact type drilling tool that the present invention relates to a kind of by generating bit pressure disturbance belongs to oil drilling tool design skill
Art field.
Background technique
Traditional drilling mode mainly uses simple rotation mode broken rock, faces oil-gas exploration and development and sends out to deep formation
The trend of exhibition leads to drill bit since drillstring vibrations are violent or Deep Well Drill String bending can not apply high mechanical bit pressure by drill collar
Efficiency of breaking rock is low, affects drilling construction progress and drilling cost.There are following several for current drilling well percussion drilling speed-raising tool
A problem: (1) service life is difficult to match with bit life；Due to the limitation of the performance of material itself, existing percussion tool is in Gao Chong
It hits since the metal impact between block stamp and anvil body connects solution under power, is easy fatigue failure；(2) tool construction is complicated；To obtain Gao Chong
Function is hit, drilling speed tool design is complicated, and manufacturing cost rises, stability decline.(3) tool stratum matching is not high；Due to
Different types of rock needs to apply on drill bit the load of different characteristic, it is difficult to meet the adaptability to multiple and different stratum,
It is unfavorable for the popularization and use of tool.
Summary of the invention
Based on above-mentioned technical problem, the present invention, which provides, leads to a kind of impact type drilling tool by generating bit pressure disturbance.
The adopted technical solution is that:
A kind of impact type drilling tool by generating bit pressure disturbance, including top connection, drilling tool ontology and underdrive
The lower end of axis, top connection is connect with the threaded upper ends of drilling tool ontology, and lower drive shaft is mounted on the center of drilling tool ontology,
Feather key fit system is taken between drilling tool ontology and lower drive shaft, is formed between drilling tool ontology and lower drive shaft
Toroidal cavity, is provided with accumulation of energy reset element in toroidal cavity, is sequentially installed with baffle, impeller base in the top connection
With upper oscillating body, impeller is provided in impeller base, is connected through a screw thread inside upper oscillating body and top connection, in baffle, impeller
The flow channel for liquids for being provided centrally with perforation of seat and upper oscillating body is provided with anti-skidding tripping in the upper end of lower drive shaft, described anti-
Slip button is provided centrally with duct, and flow channel for liquids is connected to by duct with the fluid channel at lower drive shaft center, it is described on connect
The increasing being connected to flow channel for liquids is formed between the lower end of head, the upper end of drilling tool ontology, upper oscillating body and anti-skidding tripping
Annular space is pressed, the bottom end of drilling tool ontology is provided with locking nut, the lower end of lower drive shaft is provided with lower contact.
Preferably, the anti-slip button bit is provided with pressure-bearing level in the lower section of flow channel for liquids at the top of anti-skidding tripping
Face.
Preferably, feather key is arranged on lower drive shaft, is vertically provided on the inside of drilling tool ontology and matches with feather key
The featherway of conjunction, lower drive shaft can be moved up and down relative to drilling tool ontology, drilling tool ontology can drive lower drive shaft to turn
It is dynamic.
Preferably, the upper end of the feather key forms lower drive shaft and appears on the stage terrace, and lower end forms lower drive shaft leave from office terrace, institute
The top for stating featherway forms drilling tool ontology and appears on the stage terrace, and the accumulation of energy reset element is connected to lower drive shaft and appears on the stage terrace
It appears on the stage between terrace with drilling tool ontology, the lower drive shaft leave from office terrace and locking nut cooperate.
Preferably, the accumulation of energy reset element is butterfly spring.
The method have the benefit that:
Drilling tool of the present invention by drill bit apply a periodically variable impact force appropriate, while with drill bit sheet
The rotation of body matches, and generates failure by shear effect to stratum, can effectively improve the efficiency of breaking rock of drill bit.
The present invention flows through impeller by drilling fluid and generates surge pressure, while drillstring vibrations compression disk spring presses fluctuation
Power is transferred to drill bit, and pulse-type disturbance bit pressure is further added by the basis of drill bit has bit pressure, and drill bit can be made to act in stress disturbance
Lower broken rock.Favorable factor is converted by the drillstring vibrations for being unfavorable for drillng operation, effectively improves the broken rock rate of hardpan, is dropped
Low drilling cost improves the overall economic efficiency of drilling well.
Compared with prior art, the configuration of the present invention is simple can provide periodically variable disturbance to drill bit in deep-well
Bit pressure, the metal covering between no block stamp and anvil body impact firmly, and frequency of impact and amplitude can be by adjusting impeller blade number, blade and sheet
Body space and displacement size form the shock loading reply different type rock of different characteristic, can be realized with certain frequency
The catalase of periodic shock power and turning effort, and then rate of penetration is improved, drillng operation cost is greatly lowered, improves
Drilling engineering economic benefit.
Detailed description of the invention
The invention will be further described with specific embodiment with reference to the accompanying drawing:
Fig. 1 is principle schematic diagram of the invention.
In figure: 1. top connections, 2. baffles, 3. impeller bases, 4. impellers, oscillating body on 5., 6. anti-skidding trippings, 7. dish-shaped bullets
Spring, 8. lower drive shafts, 9. feather keys, 10. locking nuts, 11. drilling tool ontologies, 12. lower contacts, 13. flow channel for liquids, 14. holes
Road, 15. fluid channels.
Specific embodiment
In conjunction with attached drawing, a kind of underground impact type drilling tool disturbed by generating bit pressure, including axially successively pacify
Top connection 1, drilling tool ontology 11 and the lower drive shaft 8 of dress, top connection 1 with drill string to connect, the lower end of top connection 1 and brill
The threaded upper ends of well tool body 11 connect, and lower drive shaft 8 is mounted on the center of drilling tool ontology 11, drilling tool ontology 11
Feather key fit system is taken between lower drive shaft 8, to transmit torque.Feather key 9 is arranged on lower drive shaft 8, in spudder
The inside of tool ontology 11 is vertically provided with the featherway matched with feather key, and lower drive shaft 8 can be relative to drilling tool ontology 11
It moves up and down, drilling tool ontology 11 can drive lower drive shaft 8 to rotate.The shape between drilling tool ontology 11 and lower drive shaft 8
At there is toroidal cavity, disk spring 7 is provided in toroidal cavity, to buffer the vibratory impulse of upper drilling string, and by top
Bit pressure is transferred to drill bit by compressing disk spring.Butterfly spring 7 can play transmitting top bit pressure and adjust drill string amplitude
Effect.It is sequentially installed with baffle 2, impeller base 3 and upper oscillating body 5 in the inside of top connection 1, is provided with impeller in impeller base 3
4, it is connected through a screw thread inside upper oscillating body 5 and top connection 1, baffle 2 and impeller base 3 are fixed on top connection 1 and upper oscillating body 5
Between.In the flow channel for liquids 13 for being provided centrally with perforation of baffle 2, impeller base 3 and upper oscillating body 5, in the upper of lower drive shaft 8
End is threaded with anti-skidding tripping 6, and the anti-skidding tripping 6 is provided centrally with duct 14, flow channel for liquids 13 by duct 14 with
The fluid channel 15 at lower drive shaft center is connected to.The anti-skidding tripping 6 is located at the lower section of flow channel for liquids 13, in anti-skidding tripping 6
Top is provided with pressure-bearing horizontal plane.Anti-skidding tripping 6 can be used to limit the axial displacement of drilling tool ontology 11 also to protect dish
Spring 7.It is formed between the lower end of the top connection 1, the upper end of drilling tool ontology 11, upper oscillating body 5 and anti-skidding tripping 6
The pressurization annular space being connected to flow channel for liquids.The bottom end of drilling tool ontology 11 is provided with locking nut 10, in underdrive
The lower end of axis 8 is provided with lower contact 12, and lower contact 12 with drill bit to connect.
As to further design of the invention, the upper end of the feather key 9 forms lower drive shaft and appears on the stage terrace, and lower end is formed
Lower drive shaft leave from office terrace, the top of the featherway form drilling tool ontology and appear on the stage terrace, and the disk spring 7 is connected to
Between lower drive shaft appears on the stage terrace and drilling tool ontology is appeared on the stage terrace.The lower drive shaft leave from office terrace and 10 phase of locking nut
Mutually cooperation, to prevent lower drive shaft 8 from falling.Locking nut 10 can also limit the axial displacement of drilling tool ontology 11 to protect
Protect disk spring 7.
Further, impeller 4 and impeller base 3 are detachable, the size and number of blade interchangeable of impeller 4, to adjust
Generate the frequency of pressure change.When drilling fluid flows through impeller 4, its rotation is pushed, generates in 3 inside diameter of impeller base and periodically becomes
Change to change cross section of fluid channel product, and then generate periodic pressure change, and act on 6 upper end pressure-bearing horizontal planes of anti-skidding tripping,
And then drill bit is transferred to by lower drive shaft 8.
The course of work of the invention approximately as:
When top connection 1 is of reciprocating vibration with drill string, the upper compression of oscillating body 5 is by 1 lower end of top connection, drilling tool ontology 11
Drilling fluid in the pressurization annular space of 6 composition of upper end, upper oscillating body 5 and anti-skidding tripping, is allowed to be pressurized, and then pass through spudder
Tool ontology 11 compresses disk spring 7 and top bit pressure is transferred to drill bit through lower drive shaft 8.When drilling fluid flows through inside top connection 1
When impeller 4, impeller 4 is pushed to rotate, so that 5 inner runner section of impeller base product is generated cyclically-varying, lower drive shaft 8 is by the wave of generation
Dynamic pressure is transferred to drill bit, and can change the frequency and vibration of surge pressure by adjusting 4 size of impeller and impeller blade number
Dynamic amplitude；The surge pressure and drillstring vibrations generated by impeller 4 is compressed the drilling fluid in pressurization annular space by upper oscillating body 5
The pressure of generation acts on drill bit simultaneously, shields to drill bit, in conjunction with the rotation of drill bit itself, can be improved in deep-well and bore
Pressure, and then rate of penetration is improved, the efficiency of breaking rock of drill bit is effectively improved, drillng operation cost is greatly lowered, improves spudder
Journey economic benefit.
On the whole, the present invention is to flow through the drilling fluid promotion wheel rotation of impeller 4, changes cross section of fluid channel product, generates week
The pressure oscillation of phase property variation.Drillstring vibrations amplitude is amplified by disk spring 7, while compressing the brill in pressurization annular space
Well liquid is allowed to be pressurized, make top period change it is hydraulic it is soft act on drill bit, shield to drill bit.The present invention, which has, to be mentioned
The characteristics of bit pressure improves rate of penetration in turn in high deep-well, reduces drilling cost, improves drilling engineering economic benefit.
The related technology contents that do not address in aforesaid way are taken or are used for reference prior art and can be realized.
It should be noted that under the introduction of this specification, any equivalent substitute side that those skilled in the art are made
Formula or obvious variant, should all be within protection scope of the present invention.
Claims (1)
1. a kind of impact type drilling tool by generating bit pressure disturbance, it is characterised in that: including top connection, drilling tool ontology
And lower drive shaft, the lower end of top connection are connect with the threaded upper ends of drilling tool ontology, lower drive shaft is mounted on drilling tool sheet
Feather key fit system is taken at the center of body between drilling tool ontology and lower drive shaft, in drilling tool ontology and lower drive shaft
Between be formed with toroidal cavity, accumulation of energy reset element is provided in toroidal cavity, is sequentially installed with leads in the top connection
Fluid, impeller base and upper oscillating body are provided with impeller in impeller base, are connected through a screw thread inside upper oscillating body and top connection,
The flow channel for liquids for being provided centrally with perforation of baffle, impeller base and upper oscillating body is provided with anti-skidding in the upper end of lower drive shaft
Tripping, the anti-skidding tripping are provided centrally with duct, and flow channel for liquids is connected by the fluid channel at duct and lower drive shaft center
It is logical, it is formed between the lower end of the top connection, the upper end of drilling tool ontology, upper oscillating body and anti-skidding tripping and liquid flow
The pressurization annular space of road connection, is provided with locking nut in the bottom end of drilling tool ontology, is arranged in the lower end of lower drive shaft
There is lower contact；
The anti-slip button bit is provided with pressure-bearing horizontal plane in the lower section of flow channel for liquids at the top of anti-skidding tripping；
Feather key is arranged on lower drive shaft, and the featherway matched with feather key is vertically provided on the inside of drilling tool ontology,
Lower drive shaft can be moved up and down relative to drilling tool ontology, drilling tool ontology can drive lower drive shaft to rotate；
The upper end of the feather key forms lower drive shaft and appears on the stage terrace, and lower end forms lower drive shaft leave from office terrace, the featherway
Top forms drilling tool ontology and appears on the stage terrace, and the accumulation of energy reset element is connected to lower drive shaft and appears on the stage terrace and drilling tool
Ontology is appeared on the stage between terrace, and the lower drive shaft leave from office terrace and locking nut cooperate；
The accumulation of energy reset element is butterfly spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310105.0A CN107100541B (en) | 2017-05-05 | 2017-05-05 | A kind of impact type drilling tool by generating bit pressure disturbance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310105.0A CN107100541B (en) | 2017-05-05 | 2017-05-05 | A kind of impact type drilling tool by generating bit pressure disturbance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107100541A CN107100541A (en) | 2017-08-29 |
| CN107100541B true CN107100541B (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710310105.0A Active CN107100541B (en) | 2017-05-05 | 2017-05-05 | A kind of impact type drilling tool by generating bit pressure disturbance |
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| Country | Link |
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| CN (1) | CN107100541B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288548B (en) * | 2017-08-07 | 2019-06-25 | 中国石油大学(华东) | Adaptive torque balancing drill |
| CN107605404B (en) | 2017-10-17 | 2019-02-05 | 中国石油大学(华东) | One kind can produce waterpower pulse and the double-acting drilling speed device of impact vibration |
| CN109930987A (en) * | 2017-12-19 | 2019-06-25 | 中石化石油工程技术服务有限公司 | A kind of mechanical liquid type rock crushing tool, the drill string of multi-load coupling |
| CN108301787A (en) * | 2018-02-07 | 2018-07-20 | 中国石油集团西部钻探工程有限公司 | The reciprocating absorbing tool of external spring |
| CN108643824B (en) * | 2018-04-17 | 2020-01-03 | 王勇 | Hydraulic vibration-damping impact drilling tool |
| CN109736699B (en) * | 2019-03-10 | 2024-06-28 | 东营华来智能科技有限公司 | Drilling speed-increasing dynamic compactor |
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|---|---|---|---|---|
| RU2455447C1 (en) * | 2010-12-24 | 2012-07-10 | Евгений Васильевич Лаптев | Two-shaft hydraulic positive displacement motor |
| CN104265160A (en) * | 2014-07-28 | 2015-01-07 | 东北石油大学 | Hydraulic oscillation axial impactor |
| CN105422005A (en) * | 2015-11-12 | 2016-03-23 | 中国石油大学(北京) | Well drilling method and device through hydraulic power and disc spring coupling driving and axial vibration |
| CN205154008U (en) * | 2015-10-28 | 2016-04-13 | 中威***际能源服务有限公司 | Dish spring formula drilling tool that spins |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160194917A1 (en) * | 2013-08-14 | 2016-07-07 | COT Acquisition, LLC | Axial Oscillation Device |
-
2017
- 2017-05-05 CN CN201710310105.0A patent/CN107100541B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2455447C1 (en) * | 2010-12-24 | 2012-07-10 | Евгений Васильевич Лаптев | Two-shaft hydraulic positive displacement motor |
| CN104265160A (en) * | 2014-07-28 | 2015-01-07 | 东北石油大学 | Hydraulic oscillation axial impactor |
| CN205154008U (en) * | 2015-10-28 | 2016-04-13 | 中威***际能源服务有限公司 | Dish spring formula drilling tool that spins |
| CN105422005A (en) * | 2015-11-12 | 2016-03-23 | 中国石油大学(北京) | Well drilling method and device through hydraulic power and disc spring coupling driving and axial vibration |
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| Publication number | Publication date |
|---|---|
| CN107100541A (en) | 2017-08-29 |
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