CN108678673A - Novel hydropower vibrator - Google Patents
Novel hydropower vibrator Download PDFInfo
- Publication number
- CN108678673A CN108678673A CN201810726433.3A CN201810726433A CN108678673A CN 108678673 A CN108678673 A CN 108678673A CN 201810726433 A CN201810726433 A CN 201810726433A CN 108678673 A CN108678673 A CN 108678673A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- casing
- outside
- setting
- piston
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
-
- 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
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention relates to downhole tool technical fields, it is a kind of novel hydropower vibrator, it includes main shaft, upper casing, setting of casing, inner sleeve, piston and lower contact, main shaft upper outside is equipped with limited ring groove, main shaft and upper casing are by together with key connection, upper sleeve upper end is equipped with the upper land being located in limited ring groove, upper land upper end is against limited ring groove upper end, it is fixedly installed togather with setting of casing upper end inside on the outside of upper lower end, setting of casing lower end is fixedly installed togather with lower contact, outside is installed with the limiting device below upper casing in the middle part of main shaft, main shaft lower outside is equipped with outer groove.Structure of the invention is reasonable and compact, easy to use, is connected by spline and transmits torque；Disc spring, which is compressed, by pressurization stores energy；It is released energy by being depressured disc spring reset, has the characteristics that efficient, reliable and antifriction.
Description
Technical field
The present invention relates to downhole tool technical fields, are a kind of novel hydropower vibrators.
Background technology
As the long displacement horizontal well in oil drilling is increasing, frictional resistance is big, pressurization is difficult, tool-face is difficult to control etc.
Problem is outstanding day by day, drastically influences horizontal well drilling speed.Hydroscillator is a kind of New well drilling vibrating drag reduction tool,
Horizontal Well Drilling need to coordinate vibrator to realize the axial vibration of drill string into pressure oscillation is provided in the process, will be between drilling tool and the borehole wall
Stiction be converted into kinetic force of friction, reduce the frictional resistance between drilling tool and the borehole wall, bit pressure be effectively provided, reduce shaft bottom thing
Therefore.Since long displacement horizontal well drag and torque is big, drags serious problem of pressing, existing vibrator that can not effectively realize that antifriction is dropped
Resistance.
Invention content
The present invention provides a kind of novel hydropower vibrators, overcome the deficiency of the above-mentioned prior art, can effectively solve
Long displacement horizontal well drag and torque is big and drags pressure serious problems.
The technical scheme is that realized by following measures：A kind of novel hydropower vibrator, including main shaft, on
Casing, setting of casing, inner sleeve, piston and lower contact, main shaft upper outside are equipped with limited ring groove, and main shaft and upper casing are connected by key
It being connected together, upper sleeve upper end is equipped with the upper land being located in limited ring groove, and upper land upper end is against limited ring groove upper end, on
It is fixedly installed togather with setting of casing upper end inside on the outside of lower end, setting of casing lower end is fixedly installed togather with lower contact；
Outside is installed with the limiting device below upper casing in the middle part of main shaft, and main shaft lower outside is equipped with outer groove, under corresponding
The main shaft lower outside of position is set with the inner sleeve that upper end is against on lower end face between casing and main shaft, under inner sleeve
End inside is equipped with the interior land being located in outer groove, and the main shaft lower outside of position is set between corresponding setting of casing and main shaft
End is against the spring on interior land lower face, and the main shaft lower outside of position is set with positioned at bullet between corresponding setting of casing and main shaft
Piston below spring, corresponding piston lower position main shaft lower end outside are installed with adjusting apparatus.
Here is the further optimization and/or improvements to foregoing invention technical solution：
Above-mentioned limiting device can be split snap ring, and split snap ring includes two opening opposite semicircle rings, is equipped on the inside of split snap ring
The keyway to match with main shaft, main shaft middle part outside are installed with split snap ring.
Above-mentioned adjusting apparatus can be adjusting nut, and adjusting nut is connected through a screw thread with main shaft lower end and is fixedly mounted on one
It rises.
Above-mentioned spring can be disc spring.
Above-mentioned upper land can be equipped at least one O-ring seals between limited ring groove；It is equipped between piston and setting of casing
At least one O-ring seals.
Together with above-mentioned main shaft can be keyed with upper casing by spline；On the outside of upper lower end and on the inside of setting of casing upper end
It is connected through a screw thread and is fixedly installed togather；It is connected through a screw thread fixed installation on the outside of setting of casing lower end inside and lower contact upper end
Together；Main shaft lower outside, which is connected through a screw thread, is installed with piston.
Structure of the invention is reasonable and compact, easy to use, is connected by spline and transmits torque；Disc spring storage is compressed by pressurization
Deposit energy；It is released energy by being depressured disc spring reset, has the characteristics that efficient, reliable and antifriction.
Description of the drawings
Attached drawing 1 is the main view half section schematic of preferred embodiment.
Attached drawing 2 is partial enlargement structural representation of the attached drawing 1 at A.
Coding in attached drawing is respectively：1 is main shaft, and 2 be upper casing, and 3 be setting of casing, and 4 be inner sleeve, and 5 be piston, and 6 are
Lower contact, 7 be limited ring groove, and 8 be upper land, and 9 be outer groove, and 10 be interior land, and 11 be split snap ring, and 12 be adjusting nut,
13 be disc spring, and 14 be O-ring seals, and 15 be spline.
Specific implementation mode
The present invention is not limited by following embodiments, can be determined according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
In the present invention, for ease of description, the description of the relative position relation of each component is according to Figure of description 1
Butut mode be described, such as：The position relationship of front, rear, top, and bottom, left and right etc. is the cloth according to Figure of description 1
Figure direction determines.
With reference to embodiment and attached drawing, the invention will be further described：
As shown in attached drawing 1,2, the novel hydropower vibrator include main shaft 1, upper casing 2, setting of casing 3, inner sleeve 4, piston 5 and under
Connector 6,1 upper outside of main shaft be equipped with limited ring groove 7, main shaft 1 and upper casing 2 by key connection together with, 2 upper end of upper casing is set
There are the upper land 8 in limited ring groove 7,8 upper end of upper land to be against 7 upper end of limited ring groove, 2 lower end outside of upper casing is under
It is fixedly installed togather on the inside of 3 upper end of casing, 3 lower end of setting of casing is fixedly installed togather with lower contact 6；1 middle part outside of main shaft
It is installed with the limiting device for being located at 2 lower section of upper casing, 1 lower outside of main shaft is equipped with outer groove 9, corresponding setting of casing 3 and master
1 lower outside of main shaft of position is set with the inner sleeve 4 that upper end is against on 2 lower face of casing, 4 lower end of inner sleeve between axis 1
Inside is equipped with the interior land 10 being located in outer groove 9, and 1 lower outside of main shaft of position is set between corresponding setting of casing 3 and main shaft 1
There is upper end to be against the spring on 10 lower face of interior land, the 1 lower outside set of main shaft of position between corresponding setting of casing 3 and main shaft 1
Equipped with the piston 5 below spring, 5 lower position main shaft of corresponding piston, 1 lower end outside is installed with adjusting apparatus.Make
With in the process, upper end of the present invention is linked together with drill string, lower end of the present invention is linked together with hydroscillator, constructed
When operation, water conservancy oscillator generates pressure oscillation, acts on main shaft 1 and adjusting apparatus end face and piston 5, when pressure rise
Piston 5 and main shaft 1 is pushed to move upwards, to drive drill string to move up, since 4 upper end of inner sleeve is against 2 lower end of upper casing
On face, so spring stores energy after being compressed, when limit assembly upper end arrives to upper 2 lower face of casing, main shaft 1 stops upwards
It is mobile；When pressure decreases, spring, which releases energy, pushes piston 5 and main shaft 1 to move downward, until restore initial position, i.e., on
8 upper end of land is against 7 upper end of limited ring groove.The axially reciprocating of drill string can be realized by adjusting pressure.Knot of the present invention
Structure is reasonable and compact, easy to use, and torque can be transmitted by way of key connection；By pressurizeing, compressed spring stores energy；
It is released energy by being depressured spring reset, has the characteristics that efficient, reliable and antifriction.
Above-mentioned novel hydropower vibrator can be made further optimization and/or improvements according to actual needs：
As shown in attached drawing 1,2, limiting device is split snap ring 11, and split snap ring 11 includes two opening opposite semicircle rings, split
11 inside of snap ring is equipped with the keyway to match with main shaft 1, and 1 middle part outside of main shaft is installed with split snap ring 11.It was using
Upper casing 2 need to be up packed into, so using split snap ring 11, Neng Gou by Cheng Zhong when being carried out to the present invention from 1 lower part of main shaft
Split snap ring 11 is installed again after the loading main shaft 1 of upper casing 2 to limit it, split snap ring 11 is tied up by iron wire and realizes two semicircles
The clearance fit of split snap ring 11 and main shaft 1 is realized in the fixation of interannular.
As shown in attached drawing 1,2, adjusting apparatus is adjusting nut 12, and adjusting nut 12 is connected through a screw thread with 1 lower end of main shaft
It is fixedly installed togather.In use, by mounting and adjusting nut 12 be conveniently adjusted piston 5 position and spring it is pre-
Clamp force.
As shown in attached drawing 1,2, spring is disc spring 13.Using process, disc spring 13 has good buffering damping capaicty, by
It is acted in skin friction resistance, the effect for absorbing impact and dissipation energy is more notable.
As shown in attached drawing 1,2, at least one O-ring seals 14 are equipped between upper land 8 and limited ring groove 7；Piston 5 is under
At least one O-ring seals 14 are equipped between casing 3.Using process, O-ring seals 14 are installed in different location, ensure this
Leakproofness between practical internal each component.
As shown in attached drawing 1,2, main shaft 1 and upper casing 2 are by together with the key connection of spline 15；2 lower end outside of upper casing with
It is connected through a screw thread and is fixedly installed togather on the inside of 3 upper end of setting of casing；3 lower end inside of setting of casing leads to on the outside of 6 upper end of lower contact
Threaded connection is crossed to be fixedly installed togather；1 lower outside of main shaft, which is connected through a screw thread, is installed with piston 5.Using process,
Have the characteristics that transmission torque effect is good, contacting surface product is big and bearing capacity is high using 15 connecting key connection type of spline；Using spiral shell
Line connection is fixedly connected with mode, is easily installed and dismantles.
The above technical characteristic constitutes highly preferred embodiment of the present invention, is imitated with stronger adaptability and best implementation
Fruit can increase and decrease non-essential technical characteristic, to meet the needs of different situations according to actual needs.
Claims (10)
1. a kind of novel hydropower vibrator, it is characterised in that including main shaft, upper casing, setting of casing, inner sleeve, piston and under connect
Head, main shaft upper outside be equipped with limited ring groove, main shaft and upper casing by key connection together with, upper sleeve upper end be equipped be located at limit
Upper land in the annular groove of position, upper land upper end are against limited ring groove upper end, upper lower end outside and setting of casing upper end inside
It is fixedly installed togather, setting of casing lower end is fixedly installed togather with lower contact；Outside is installed with positioned at upper in the middle part of main shaft
Limiting device below casing, main shaft lower outside are equipped with outer groove, the main shaft lower part of position between corresponding setting of casing and main shaft
Outer sheath is against the inner sleeve on lower end face equipped with upper end, and inner sleeve lower end inside is equipped with the inner ring being located in outer groove
Platform, the main shaft lower outside of position is set with the spring that upper end is against on interior land lower face between corresponding setting of casing and main shaft,
The main shaft lower outside of position is set with the piston below spring between corresponding setting of casing and main shaft, corresponds to orientation under piston
It sets main shaft lower end outside and is installed with adjusting apparatus.
2. novel hydropower vibrator according to claim 1, it is characterised in that limiting device can be split snap ring, split card
Ring includes two opening opposite semicircle rings, is equipped with the keyway to match with main shaft on the inside of split snap ring, outside is fixed in the middle part of main shaft
Split snap ring is installed.
3. novel hydropower vibrator according to claim 1 or 2, it is characterised in that adjusting apparatus is adjusting nut, adjustment
Nut is connected through a screw thread with main shaft lower end and is fixedly installed togather.
4. novel hydropower vibrator according to claim 1 or 2, it is characterised in that spring is disc spring.
5. novel hydropower vibrator according to claim 3, it is characterised in that spring is disc spring.
6. the novel hydropower vibrator according to claims 1 or 2 or 5, it is characterised in that above between land and limited ring groove
Equipped at least one O-ring seals；At least one O-ring seals are equipped between piston and setting of casing.
7. novel hydropower vibrator according to claim 3, it is characterised in that upper to be equipped with extremely between land and limited ring groove
Few O-ring seals；At least one O-ring seals are equipped between piston and setting of casing.
8. novel hydropower vibrator according to claim 4, it is characterised in that upper to be equipped with extremely between land and limited ring groove
Few O-ring seals；At least one O-ring seals are equipped between piston and setting of casing.
9. according to the novel hydropower vibrator described in claims 1 or 2 or 5 or 7 or 8, it is characterised in that main shaft and upper casing are logical
Cross spline key connection together；It is connected through a screw thread and is fixedly installed togather with setting of casing upper end inside on the outside of upper lower end；
It is connected through a screw thread and is fixedly installed togather on the outside of setting of casing lower end inside and lower contact upper end；Main shaft lower outside passes through screw thread
It is connected and fixed and piston is installed.
10. novel hydropower vibrator according to claim 6, it is characterised in that main shaft and upper casing are keyed by spline
Together；It is connected through a screw thread and is fixedly installed togather with setting of casing upper end inside on the outside of upper lower end；In setting of casing lower end
It is connected through a screw thread and is fixedly installed togather on the outside of side and lower contact upper end；Main shaft lower outside is connected through a screw thread fixed installation
There is piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726433.3A CN108678673A (en) | 2018-07-04 | 2018-07-04 | Novel hydropower vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726433.3A CN108678673A (en) | 2018-07-04 | 2018-07-04 | Novel hydropower vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108678673A true CN108678673A (en) | 2018-10-19 |
Family
ID=63813239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810726433.3A Pending CN108678673A (en) | 2018-07-04 | 2018-07-04 | Novel hydropower vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108678673A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431568A (en) * | 2020-11-24 | 2021-03-02 | 中国石油大学(北京) | Bidirectional hydraulic oscillator |
| CN113770426A (en) * | 2021-09-09 | 2021-12-10 | 盐城工学院 | Self-excited vibration drilling cutter handle device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1562749A (en) * | 1976-08-02 | 1980-03-12 | Dresser Ind | Spring adjustment system for drill string tool |
| US6808455B1 (en) * | 2000-05-03 | 2004-10-26 | Michael Solorenko | Torsional shock absorber for a drill string |
| CN202883880U (en) * | 2012-09-28 | 2013-04-17 | 中国石油化工股份有限公司 | Drill column axial vibration anti-dragging tool driven by motor |
| CN106014317A (en) * | 2016-06-02 | 2016-10-12 | 西南石油大学 | Novel hydraulic oscillator with energy gathering and damping functions |
| CN205840768U (en) * | 2016-06-06 | 2016-12-28 | 西南石油大学 | Area change is utilized to realize the drilling tool of impact of collision |
| CN107654193A (en) * | 2017-11-21 | 2018-02-02 | 长江大学 | A kind of hydraulic control double acting hydraulic oscillation drilling tool |
| CN107780880A (en) * | 2017-11-21 | 2018-03-09 | 中国石油集团西部钻探工程有限公司 | The effective decompressor of lower tail |
| CN208416451U (en) * | 2018-07-04 | 2019-01-22 | 中国石油集团西部钻探工程有限公司 | Novel hydropower vibration excitor |
-
2018
- 2018-07-04 CN CN201810726433.3A patent/CN108678673A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1562749A (en) * | 1976-08-02 | 1980-03-12 | Dresser Ind | Spring adjustment system for drill string tool |
| US6808455B1 (en) * | 2000-05-03 | 2004-10-26 | Michael Solorenko | Torsional shock absorber for a drill string |
| CN202883880U (en) * | 2012-09-28 | 2013-04-17 | 中国石油化工股份有限公司 | Drill column axial vibration anti-dragging tool driven by motor |
| CN106014317A (en) * | 2016-06-02 | 2016-10-12 | 西南石油大学 | Novel hydraulic oscillator with energy gathering and damping functions |
| CN205840768U (en) * | 2016-06-06 | 2016-12-28 | 西南石油大学 | Area change is utilized to realize the drilling tool of impact of collision |
| CN107654193A (en) * | 2017-11-21 | 2018-02-02 | 长江大学 | A kind of hydraulic control double acting hydraulic oscillation drilling tool |
| CN107780880A (en) * | 2017-11-21 | 2018-03-09 | 中国石油集团西部钻探工程有限公司 | The effective decompressor of lower tail |
| CN208416451U (en) * | 2018-07-04 | 2019-01-22 | 中国石油集团西部钻探工程有限公司 | Novel hydropower vibration excitor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431568A (en) * | 2020-11-24 | 2021-03-02 | 中国石油大学(北京) | Bidirectional hydraulic oscillator |
| CN112431568B (en) * | 2020-11-24 | 2021-11-26 | 中国石油大学(北京) | Bidirectional hydraulic oscillator |
| CN113770426A (en) * | 2021-09-09 | 2021-12-10 | 盐城工学院 | Self-excited vibration drilling cutter handle device |
| CN113770426B (en) * | 2021-09-09 | 2023-12-15 | 盐城工学院 | Self-excitation vibration drilling tool handle device |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201105 Address after: 100120 Beijing Xicheng District six laying Kang Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 834000 directional well company 98, Youyi Road, Karamay District, Karamay, the Xinjiang Uygur Autonomous Region Applicant before: CNPC Xibu Drilling Engineering Co.,Ltd. |
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| TA01 | Transfer of patent application right |