CN107100547A - A kind of drillstring vibrations couple downhole well tool with waterpower pulse - Google Patents
A kind of drillstring vibrations couple downhole well tool with waterpower pulse Download PDFInfo
- Publication number
- CN107100547A CN107100547A CN201710310133.2A CN201710310133A CN107100547A CN 107100547 A CN107100547 A CN 107100547A CN 201710310133 A CN201710310133 A CN 201710310133A CN 107100547 A CN107100547 A CN 107100547A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- outer barrel
- duct
- well tool
- plenum chamber
- 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
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- 210000003746 feather Anatomy 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 238000009825 accumulation Methods 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 4
- 230000035515 penetration Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 20
- 239000007788 liquid Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000033228 biological regulation Effects 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
-
- 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 invention discloses a kind of drillstring vibrations downhole well tool is coupled with waterpower pulse, including top connection, outer barrel, locking nut, mandrel and lower contact, feather key fit system is taken between outer barrel and mandrel, butterfly spring is set between outer barrel and mandrel, the upper end of mandrel is provided with supercharging flow dividing structure, main flow duct on supercharging flow dividing structure is connected with the fluid passage at mandrel center, shunting duct is provided with the periphery in main flow duct, the top of the outer barrel, annular plenum chamber is formed at supercharging shunting duct and the top of mandrel, shunting duct is connected with annular plenum chamber, annular plenum chamber passes through jet hole link main flow duct, when outer barrel and mandrel produce relative motion, the size of annular plenum chamber can be changed, and jet duct is periodically opened and closed.The present invention is coupled by waterpower pulse jet with the alternate load that drillstring vibrations are produced, and bottom rock is effectively peeled off into shaft bottom, while pulsing jet improves the cleansing power of landwaste, so as to improve rate of penetration.
Description
Technical field
Underground impact type drilling tool is coupled with waterpower pulse jet the present invention relates to a kind of drillstring vibrations, belongs to petroleum drilling
Well tool design technical field.
Background technology
The bit speed of deep ＆ ultra-deep well is improved, the exploration and exploitation for deep formation petroleum resources are most important,
During routine work, rely primarily on the cutting extruding and the extensional vibration of drill bit of drill bit to improve efficiency of breaking rock.Develop well
Lower booster pump, the design mode such as hydraulic pulse tool and spin drilling tool can effectively improve brill using drilling well liquid energy
Speed.Research shows, when shaft bottom drilling liquid pressure being brought up into 100MPa or so using underground pressurizing device, it is possible to achieve super-pressure
The purpose of jet or auxiliary rock, but it is this supercharging life tools problem can not effectively be solved always.Waterpower pulse
Instrument can improve drilling speed by changing the cross-sectional area of runner to modulate pulsing jet.But due to landwaste not in most cases
Shaft bottom can be washed from time and cause to repeat broken, or even bit balling can be caused, cause bit speed to decline.
The content of the invention
Based on above-mentioned technical problem, the present invention provides a kind of drillstring vibrations and couples downhole well tool with waterpower pulse, should
Drilling tool can realize the coupling of drillstring vibrations energy and pulsing jet, and shaft bottom landwaste can be effectively peeled off to shaft bottom, improve rock
The cleansing power of bits, improves rate of penetration.
The adopted technical solution is that：
A kind of drillstring vibrations couple downhole well tool, including top connection, outer barrel, locking nut, mandrel with waterpower pulse
And lower contact, the threaded upper ends of top connection and outer barrel connect, and mandrel is arranged on the inside of outer barrel, and cunning is taken between outer barrel and mandrel
Key fit system, is formed with toroidal cavity between outer barrel and mandrel, and accumulation of energy reset element is set in toroidal cavity, outer barrel
Lower end is threadedly coupled with locking nut, and the lower end of mandrel is connected with lower contact, and the upper end of mandrel is provided with supercharging flow dividing structure,
Main flow duct is provided with supercharging flow dividing structure, main flow duct is connected with the fluid passage at mandrel center, in main flow duct
Periphery is provided with shunting duct, and the top of the outer barrel, supercharging shunt duct and the top of mandrel and be collectively forming annular plenum chamber,
Shunting duct is connected with annular plenum chamber, is additionally provided with jet duct on the supercharging flow dividing structure, annular plenum chamber is by penetrating
Hole link main flow duct is flowed, when outer barrel and mandrel generation relative motion, the size of annular plenum chamber can be changed, and to penetrate
Discharge orifice road is periodically opened and closed.
It is preferred that, feather key is arranged on mandrel, and the featherway being engaged with feather key, core are vertically provided with the inside of outer barrel
Axle can be moved up and down relative to outer barrel, outer barrel can be rotated with moving mandrel.
It is preferred that, the upper end of the feather key forms mandrel and appeared on the stage terrace, and lower end forms mandrel leave from office terrace, the featherway
Top form outer barrel and appear on the stage terrace, the accumulation of energy reset element is connected to that mandrel appears on the stage terrace and outer barrel is appeared on the stage between terrace,
The mandrel leave from office terrace cooperates with locking nut.
It is preferred that, it is provided with sliding seal between outer barrel upper end and mandrel upper end.
It is preferred that, the accumulation of energy reset element is butterfly spring, hydraulic spring grease cup or common spring.
It is preferred that, the supercharging flow dividing structure is fixed between top connection and outer barrel.
The method have the benefit that：
The drilling fluid continuously sprayed in conventional drilling is modulated to pulsing jet by the present invention, can improve hydraulic energy using effect
Rate, and be coupled with drillstring vibrations, shaft bottom landwaste can be effectively peeled off to shaft bottom, the cleansing power of landwaste is improved, machinery is improved
Drilling speed, reduces drilling cost, improves drilling engineering economic benefit.And overall structure of the present invention is simple, it is easy to assemble, with good
Good stability and reliability；The transfer of drillstring vibrations energy is realized, and it is effectively utilized, drillstring vibrations are reduced
The harm of generation, can effectively extend the service life of drilling tool, reduce the use cost of drilling tool, reduce the risk of drilling process.
Brief description of the drawings
The invention will be further described with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is principle schematic diagram of the invention.
In figure：1- top connections, 2- shuntings duct, 3- jets duct, 4- outer barrels, 5- butterfly springs, 6- mandrels, 7- feather keys,
8- main flows duct, 9- locking nuts, 10- lower contacts, 11- supercharging flow dividing structures, 12- annular plenum chambers, 13- sliding seals,
14- outer barrels are appeared on the stage terrace, and 15- mandrels are appeared on the stage terrace, 16- mandrel leave from office terraces, 17- fluid passages.
Embodiment
With reference to accompanying drawing, a kind of drillstring vibrations couple downhole well tool with waterpower pulse, include the top connection of jointed rod
1st, outer barrel 4, locking nut 9, mandrel 6 and the lower contact 10 for connecting drill bit.Top connection 1, outer barrel 4, locking nut 9, mandrel 6 are successively
Install vertically.Top connection 1 is connected with the threaded upper ends of outer barrel 4, and mandrel 6 is arranged on the inside of outer barrel 4, outer barrel 4 and mandrel 6 it
Between take feather key fit system, to transmit top moment of torsion.Feather key 7 is arranged on mandrel 6, vertically arranged in the inner side of outer barrel 4
There is the featherway being engaged with feather key, mandrel 6 can be moved up and down relative to outer barrel 4, outer barrel 4 can be rotated with moving mandrel 6, by moment of torsion
It is transferred to mandrel 6.Toroidal cavity is formed between outer barrel 4 and mandrel 6, butterfly spring 5 is set in toroidal cavity, to slow
Rush vibration and the regulation vibration amplitude of upper drilling string.The top connection 1 of jointed rod by outer barrel 4 compression be installed on outer barrel 4 with
The disk spring 5 in annular space that mandrel 6 is constituted, by top load transfer to drill bit.The lower end of outer barrel 4 and locking nut 9
Threaded connection, locking nut 9 is made to prevent mandrel 6 from dropping and limiting drill string amplitude to 5 position limitation protections of disk spring
With.The lower end of mandrel 6 is connected with lower contact 10, and supercharging flow dividing structure 11 is provided with the upper end of mandrel 6, in supercharging flow dividing structure
Main flow duct 8 is provided with 11, main flow duct 8 is connected with the fluid passage 17 at mandrel center, is set on the periphery in main flow duct 8
There are several to shunt duct 2.The top on the top of the outer barrel 4, supercharging flow dividing structure 11 and mandrel 6 is collectively forming annular plenum
Chamber 12, shunting duct 2 is connected with annular plenum chamber 12, is additionally provided with jet duct 3 on the supercharging flow dividing structure 11, annular increases
Chamber 12 is pressed to connect main flow duct 8 by jet duct 3.With the vibrations of drill string, when outer barrel 4 and the generation relative motion of mandrel 6,
The size of annular plenum chamber 12 can be changed, and jet duct 3 is periodically opened and closed.
As the further design to the present invention, the upper end of the feather key 7 forms mandrel and appeared on the stage terrace 15, and lower end forms core
Axle leave from office terrace 16, the top of the featherway forms outer barrel and appeared on the stage terrace 14, and the butterfly spring 5 is connected to mandrel top bar
Face 15 and outer barrel are appeared on the stage between terrace 14, and the mandrel leave from office terrace 16 cooperates with locking nut 9, is shaken to limit drill string
Dynamic maximum displacement, position limitation protection is played to butterfly spring 5.The supercharging flow dividing structure 11 is fixed on top connection 1 and outer barrel 4
Between.Part drilling fluid enters in annular plenum chamber 12 through shunting duct 2, when drill string up-down vibration, and compression flows through annular increasing
Drilling fluid in chamber 12 is pressed, is allowed to be pressurized, drillstring vibrations energy is converted into liquid pressure energy, and will be pressed by the top of mandrel 6
Power is transferred to drill bit.
Further, sliding seal 13 is provided between the upper end of outer barrel 4 and the upper end of mandrel 6, to realize
Without leakage relative motion between mandrel 6 and outer barrel 4.
The present invention the course of work approximately as：
When top connection 1 pumps with the periodicity of drill string, set by compressing between outer barrel 4 and mandrel 6
Disk spring 5 produce surge pressure, and it is transferred to drill bit.Simultaneously outer barrel 4 and mandrel 6 with the periodicity of drill string above and below
Move back and forth and produce relative motion, the annular plenum chamber 12 of the supercharging compression mandrel 6 of flow dividing structure 11 upper end makes annular plenum chamber 12
Interior drilling liquid pressure increase, and the upper surface of mandrel 6 is acted on, boost pressure is transferred to drill bit by mandrel 6.Simultaneously because
The periodicity back and forth movement of drill string so that jet duct 3 is periodically opened and closed, the drilling fluid compressed in annular plenum chamber 12 leads to
Cross jet duct 3 and form pulsing jet.Coupled by waterpower pulse jet with the alternate load that drillstring vibrations are produced, realize pulse
Jet and drillstring vibrations energy coupling, so as to which shaft bottom landwaste is effectively peeled off into shaft bottom, improves the cleansing power of landwaste, carry
High rate of penetration.
The relevant technology contents do not addressed in aforesaid way are taken or used for reference prior art and can be achieved.
It should be noted that under the teaching of this specification, any equivalent substitute side that those skilled in the art are made
Formula, or obvious variant, all should be within protection scope of the present invention.
Claims (6)
1. a kind of drillstring vibrations couple downhole well tool with waterpower pulse, it is characterised in that：Including top connection, outer barrel, locking
The threaded upper ends connection of nut, mandrel and lower contact, top connection and outer barrel, mandrel is arranged on the inside of outer barrel, outer barrel and mandrel
Between take feather key fit system, toroidal cavity is formed between outer barrel and mandrel, in toroidal cavity set accumulation of energy reset
Element, the lower end of outer barrel is threadedly coupled with locking nut, and the lower end of mandrel is connected with lower contact, and the upper end of mandrel is provided with increasing
Flow dividing structure is pressed, main flow duct is provided with supercharging flow dividing structure, main flow duct is connected with the fluid passage at mandrel center,
The periphery in main flow duct is provided with shunting duct, and the top of the outer barrel, supercharging shunt duct and the top of mandrel and be collectively forming
Annular plenum chamber, shunting duct is connected with annular plenum chamber, is additionally provided with jet duct on the supercharging flow dividing structure, annular increases
Press chamber by jet hole link main flow duct, when outer barrel and mandrel generation relative motion, the big of annular plenum chamber can be changed
It is small, and jet duct is periodically opened and closed.
2. a kind of drillstring vibrations according to claim 1 couple downhole well tool with waterpower pulse, it is characterised in that：It is sliding
Key is arranged on mandrel, and the featherway being engaged with feather key is vertically provided with the inside of outer barrel, and mandrel can be relative on outer barrel
Lower movement, outer barrel can be rotated with moving mandrel.
3. a kind of drillstring vibrations according to claim 2 couple downhole well tool with waterpower pulse, it is characterised in that：Institute
The upper end for stating feather key forms mandrel and appeared on the stage terrace, and lower end forms mandrel leave from office terrace, and the top of the featherway is formed on outer barrel
Step surface, the accumulation of energy reset element is connected to that mandrel appears on the stage terrace and outer barrel is appeared on the stage between terrace, the mandrel leave from office terrace
Cooperated with locking nut.
4. a kind of drillstring vibrations according to claim 1 couple downhole well tool with waterpower pulse, it is characterised in that：
Sliding seal is provided between outer barrel upper end and mandrel upper end.
5. a kind of drillstring vibrations according to claim 1 couple downhole well tool with waterpower pulse, it is characterised in that：Institute
Accumulation of energy reset element is stated for butterfly spring, hydraulic spring grease cup or common spring.
6. a kind of drillstring vibrations according to claim 1 couple downhole well tool with waterpower pulse, it is characterised in that：Institute
Supercharging flow dividing structure is stated to be fixed between top connection and outer barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310133.2A CN107100547B (en) | 2017-05-05 | 2017-05-05 | A kind of drillstring vibrations couple downhole well tool with waterpower pulse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310133.2A CN107100547B (en) | 2017-05-05 | 2017-05-05 | A kind of drillstring vibrations couple downhole well tool with waterpower pulse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107100547A true CN107100547A (en) | 2017-08-29 |
| CN107100547B CN107100547B (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710310133.2A Active CN107100547B (en) | 2017-05-05 | 2017-05-05 | A kind of drillstring vibrations couple downhole well tool with waterpower pulse |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605404A (en) * | 2017-10-17 | 2018-01-19 | 中国石油大学(华东) | One kind can produce waterpower pulse and the double-acting drilling speed device of impact shock |
| 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 |
| CN109736699A (en) * | 2019-03-10 | 2019-05-10 | 张成功 | A kind of drilling well speedup power tamping machine |
| CN112227957A (en) * | 2020-09-15 | 2021-01-15 | 长江大学 | Self-adaptation turbine guide shoe instrument that can bore |
| CN112377133A (en) * | 2020-11-20 | 2021-02-19 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
| CN112681994A (en) * | 2021-03-22 | 2021-04-20 | 成都迪普金刚石钻头有限责任公司 | Low-pressure-consumption high-amplitude hydraulic pulse device and method |
| CN113027329A (en) * | 2021-04-30 | 2021-06-25 | 四川天源宏创科技有限公司 | Torque pulse and pressure pulse double-acting tool |
| CN113323614A (en) * | 2021-08-02 | 2021-08-31 | 中国石油集团川庆钻探工程有限公司 | Hydraulic upper-impact impactor for coiled tubing and coiled tubing tool |
| CN114294001A (en) * | 2021-12-26 | 2022-04-08 | 中国平煤神马能源化工集团有限责任公司 | Ultrasonic vibration and ultrasonic high-voltage pulse jet comprehensive rock drilling device and using method |
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| CN105239929A (en) * | 2015-11-24 | 2016-01-13 | 西南石油大学 | Downhole tool for achieving efficient rock breaking through spin vibration |
| 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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| US6439318B1 (en) * | 1997-04-24 | 2002-08-27 | Andergauge Limited | Downhole apparatus |
| KR20080094510A (en) * | 2007-04-20 | 2008-10-23 | 인석신 | Water hammer apparatus |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2019076135A1 (en) * | 2017-10-17 | 2019-04-25 | 中国石油大学(华东) | Drilling speed-raising device capable of producing double actions of hydraulic pulse and impact vibration |
| US10718176B2 (en) | 2017-10-17 | 2020-07-21 | China University Of Petroleum (East China) | Drilling speed improvement device capable of producing both hydraulic pulse and impact vibration |
| CN107605404A (en) * | 2017-10-17 | 2018-01-19 | 中国石油大学(华东) | One kind can produce waterpower pulse and the double-acting drilling speed device of impact shock |
| 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 |
| CN109736699A (en) * | 2019-03-10 | 2019-05-10 | 张成功 | A kind of drilling well speedup power tamping machine |
| CN112227957A (en) * | 2020-09-15 | 2021-01-15 | 长江大学 | Self-adaptation turbine guide shoe instrument that can bore |
| CN112377133B (en) * | 2020-11-20 | 2021-11-23 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
| CN112377133A (en) * | 2020-11-20 | 2021-02-19 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
| CN112681994A (en) * | 2021-03-22 | 2021-04-20 | 成都迪普金刚石钻头有限责任公司 | Low-pressure-consumption high-amplitude hydraulic pulse device and method |
| CN112681994B (en) * | 2021-03-22 | 2021-07-13 | 成都迪普金刚石钻头有限责任公司 | Low-pressure-consumption high-amplitude hydraulic pulse device and method |
| CN113027329A (en) * | 2021-04-30 | 2021-06-25 | 四川天源宏创科技有限公司 | Torque pulse and pressure pulse double-acting tool |
| CN113027329B (en) * | 2021-04-30 | 2023-07-14 | 四川天源宏创科技有限公司 | Double-acting tool for torque pulse and pressure pulse |
| CN113323614A (en) * | 2021-08-02 | 2021-08-31 | 中国石油集团川庆钻探工程有限公司 | Hydraulic upper-impact impactor for coiled tubing and coiled tubing tool |
| CN113323614B (en) * | 2021-08-02 | 2021-10-19 | 中国石油集团川庆钻探工程有限公司 | Hydraulic upper-impact impactor for coiled tubing and coiled tubing tool |
| CN114294001A (en) * | 2021-12-26 | 2022-04-08 | 中国平煤神马能源化工集团有限责任公司 | Ultrasonic vibration and ultrasonic high-voltage pulse jet comprehensive rock drilling device and using method |
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