CN106050177B - A kind of anti-sticking slider power churn drilling tools - Google Patents
A kind of anti-sticking slider power churn drilling tools Download PDFInfo
- Publication number
- CN106050177B CN106050177B CN201610430466.4A CN201610430466A CN106050177B CN 106050177 B CN106050177 B CN 106050177B CN 201610430466 A CN201610430466 A CN 201610430466A CN 106050177 B CN106050177 B CN 106050177B
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- China
- Prior art keywords
- housing
- screwed connection
- inner cavity
- transmission shaft
- helical
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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
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
Abstract
The present invention relates to the anti-sticking slider power churn drilling tools that elevating mechanism drilling speed and wellbore quality are used in a kind of drilling engineering.It solves the problems, such as that stick-slip phenomenon causes significant damage to drilling tool and well bore in drilling process.Its technical solution is：Output shaft lower end and drill bit screwed connection；Outer housing upper end and the screwed connection of top connection lower end, outer housing lower end and the screwed connection of transmission housing upper end；Dynamic valve collar outer circle and dynamic valve base cavity lower step hole interference fit, quiet valve collar outer circle and transmission shaft inner cavity upper step hole interference fit；Helical rotor lower end and the screwed connection of dynamic valve seat upper end；Transmission shaft merging transmission housing inner cavity, the outer all directions in transmission shaft middle part and all directions clearance fit in the middle part of transmission housing inner cavity；Shaped spiral housing lower end and the screwed connection of output shaft upper end；Helical axis upper end and the screwed connection of transmission shaft lower end, the spline gaps cooperation of the spline and shaped spiral housing of helical axis.The present invention generates high frequency circumferential reciprocally swinging a little, can prevent stick-slip phenomenon from generating, improve rate of penetration.
Description
Technical field
The present invention relates to the anti-sticking slider power impact drills that elevating mechanism drilling speed and wellbore quality are used in a kind of drilling engineering
Tool.
Background technology
In oil and gas industry, drilling engineering, which is that technology is difficult, input is big, obtains high risk operation, while being also oil-gas reservoir
Essential link in development process, and various accidents are usually induced in drilling process because of complex working condition.Drilling process
In it occur frequently that stick-slip phenomenon, so-called stick-slip phenomenon refer in drilling process, drill bit is blocked in a certain position and cannot be rotated, and
Drill string above drill bit may reverse several circles under torque effect, after the torque of drill string accumulation is sufficiently large, drill bit wink
Between quickly rotate, drill string accumulation torque discharge suddenly.This process of stick-slip effect, which occurs, to cause drill string acutely to shake, and break
The stability of bad drilling process greatly reduces rate of penetration and wellbore quality, and also can be to downhole logging instruments and drill bit
Huge injury is brought, the service life of downhole tool is seriously affected.
Overcome the stick-slip phenomenon in drilling process that can greatly improve drilling efficiency, increase rate of penetration, it is possibility to have effect
Extend the service life of drilling tool.The drilling tool for being used for anti-stick-slip both at home and abroad at present is a kind of circumferential reciprocally swinging of generation
Torsion impact device has certain effect to anti-stick-slip, can play the role of drilling speed, but its is complicated, vulnerable part
It is more, it is unfavorable for the long-time service of tool.Based on above-mentioned technical background, the present invention provides a kind of anti-sticking slider power churn drilling tools.
Invention content
The purpose of the present invention is：Significant damage is caused to ask drilling tool and well bore to solve stick-slip phenomenon in drilling process
Topic, provides a kind of anti-sticking slider power churn drilling tools.
In order to achieve the above object, the present invention uses following technical scheme：A kind of anti-sticking slider power churn drilling tools, is by upper
It is connector, helical rotor, outer housing, dynamic valve seat, thrust bearing, dynamic valve collar, Bearing housing, quiet valve collar, transmission housing, upper anti-lost
Cap, transmission shaft, it is lower it is anti-cap off, shaped spiral housing, helical axis, disc spring and output shaft are constituted；Its structure feature is：Top connection and top
Drill string screwed connection, output shaft lower end and drill bit screwed connection；Outer housing upper end and the screwed connection of top connection lower end, under outer housing
End and the screwed connection of transmission housing upper end；Transmission housing lower end and it is upper it is anti-cap off screwed connection, setting in the middle part of transmission housing inner cavity
For interior all directions；It is set as outer all directions in the middle part of transmission shaft, inner cavity top is set as stepped hole；Dynamic valve base cavity lower part is set as step
Hole, dynamic valve seat lower part outer circle are set as step, circumferential in the middle part of dynamic valve seat to be uniformly arranged two inclined hole connection interior or exterior spaces；Dynamic valve collar
Inner cavity is set as eccentric orfice, and quiet valve collar inner cavity is set as eccentric orfice, moves the eccentricity of valve collar eccentric orfice and quiet valve collar eccentric orfice
Eccentricity is equal；Dynamic valve collar outer circle and dynamic valve base cavity lower step hole are interference fitted, in quiet valve collar outer circle and transmission shaft inner cavity
Portion's stepped hole interference fit；Thrust bearing is mounted on dynamic valve seat lower part outer circle step, and Bearing housing is inserted in dynamic valve seat outer circle, axis
Pressure-bearing set upper side inner edge and thrust bearing contacts, Bearing housing lower end and the screwed connection of transmission shaft upper end；It is set outside helical rotor
It is equipped with the multi-head spiral wing, helical rotor lower end and the screwed connection of dynamic valve seat upper end；Transmission shaft is placed in transmission housing inner cavity, transmission shaft
All directions and all directions clearance fit in the middle part of transmission housing inner cavity outside middle part；Shaped spiral housing inner cavity is set as spline, the spiral of spline
Angle is 15 °~25 °, and spline, the helical angle of helical axis spline and the helical angle one of shaped spiral housing spline are set as in the middle part of helical axis
It causes；Shaped spiral housing upper end and lower anti-cap off screwed connection, shaped spiral housing lower end and the screwed connection of output shaft upper end；Helical axis upper end
With the screwed connection of transmission shaft lower end, helical axis is placed in shaped spiral housing inner cavity, the spline of helical axis and the spline gaps of shaped spiral housing
Cooperation；Disc spring is mounted in the outer circle of helical axis lower part, and disc spring is in compressive state.
The beneficial effects of the invention are as follows：(1) present invention is driven using drilling fluid moves valve collar rotation, makes valve collar and quiet valve collar
Relative rotation changes drilling fluid area of passage, generates periodical surge pressure, to push transmission shaft periodically flexible；(2) originally
Invention output shaft can generate periodical high-frequency circumferential reciprocally swinging a little while normal rotation；(3) output shaft generates
Circuit oscillation can effectively prevent the generation of stick-slip phenomenon to high frequency a little, improve rate of penetration.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of anti-sticking slider power churn drilling tools disc spring Pre strained state of the present invention；
Fig. 2 is a kind of structural schematic diagram of anti-sticking slider power churn drilling tools disc spring depth-compression state of the present invention；
Fig. 3 is the sectional view in the sections Figure 1A-A；
Fig. 4 is the sectional view of Figure 1B-B-section；
Fig. 5 is a kind of schematic three dimensional views of anti-sticking slider power churn drilling tools helical rotor of the present invention；
Fig. 6 is a kind of schematic three dimensional views of anti-sticking slider power churn drilling tools shaped spiral housing of the present invention；
Fig. 7 is a kind of schematic three dimensional views of anti-sticking slider power churn drilling tools helical axis of the present invention；
In figure：1. top connection, 2. helical rotors, 3. outer housings, 4. dynamic valve seats, 5. thrust bearings, 6. dynamic valve collars, 7. bearings
Pressing sleeve 8. quiet valve collars, 9. transmission housing, is prevented on 10. capping off, 11. transmission shafts, prevents for 12. time capping off, 13. shaped spiral housings, 14. spiral shells
Spin axis, 15. disc springs, 16. output shafts.
Specific implementation mode
As depicted in figs. 1 and 2, a kind of anti-sticking slider power churn drilling tools of the present invention is by top connection 1, helical rotor 2, outer
Shell 3, thrust bearing 5, dynamic valve collar 6, Bearing housing 7, quiet valve collar 8, transmission housing 9, upper anti-caps off 10, transmission shaft at dynamic valve seat 4
11, lower anti-12, shaped spiral housing 13, helical axis 14, disc spring 15 and the output shaft 16 of capping off is constituted；Its structure feature is：1 He of top connection
Upper drilling string screwed connection, 16 lower end of output shaft and drill bit screwed connection；The 1 lower end screwed connection of 3 upper end of outer housing and top connection,
The 9 upper end screwed connection of 3 lower end of outer housing and transmission housing；9 lower end of transmission housing and upper anti-cap off 10 screwed connections, transmission housing
It is set as interior all directions in the middle part of 9 inner cavities；11 middle part of transmission shaft is set as outer all directions, and inner cavity top is set as stepped hole；In dynamic valve seat 4
Chamber lower part is set as stepped hole, and dynamic 4 lower part outer circle of valve seat is set as step, and 4 middle part of dynamic valve seat is circumferential to be uniformly arranged two inclined holes
It is connected to interior or exterior space；Dynamic 6 inner cavity of valve collar is set as eccentric orfice, and 8 inner cavity of quiet valve collar is set as eccentric orfice, moves 6 eccentric orfice of valve collar
The eccentricity of 8 eccentric orfice of eccentricity and quiet valve collar is equal；Dynamic 6 outer circle of valve collar and 4 inner cavity lower step hole of dynamic valve seat interference fit,
8 outer circle of quiet valve collar and 11 inner cavity upper step hole of transmission shaft interference fit；Thrust bearing 5 is mounted on round platform outside dynamic 4 lower part of valve seat
On rank, Bearing housing 7 is inserted in 4 outer circle of dynamic valve seat, and 7 upper end inner edge of Bearing housing and thrust bearing 5 contact, 7 lower end of Bearing housing
With 11 upper end screwed connection of transmission shaft；As shown in figure 5, the multi-head spiral wing is provided with outside helical rotor 2, the helical angle of screw wing
It is 40 °~50 °, the 4 upper end screwed connection of 2 lower end of helical rotor and dynamic valve seat；As shown in figure 3, transmission shaft 11 is placed in transmission housing 9
Inner cavity, the outer all directions in 11 middle part of transmission shaft and all directions clearance fit in the middle part of 9 inner cavity of transmission housing；13 upper end of shaped spiral housing and lower anti-
Cap off 12 screwed connections, the 16 upper end screwed connection of 13 lower end of shaped spiral housing and output shaft；Under 14 upper end of helical axis and transmission shaft 11
Screwed connection, helical axis 14 is held to be placed in 13 inner cavity of shaped spiral housing, the spline of helical axis 14 and the spline gaps of shaped spiral housing 13 are matched
It closes；Disc spring 15 is mounted in 14 lower part outer circle of helical axis, and disc spring 15 is in compressive state.
As shown in Fig. 4, Fig. 6 and Fig. 7,13 inner cavity of shaped spiral housing is set as spline, and the helical angle of 13 spline of shaped spiral housing is
15 °~25 °, 14 middle part of helical axis is set as spline, the helical angle of 13 spline of helical angle and shaped spiral housing of 14 spline of helical axis
Unanimously.
A kind of operation principle of anti-sticking slider power churn drilling tools of the present invention is：The tripping in present invention applies bit pressure extremely to shaft bottom
It is more than 15 preload pressure of disc spring, turn on pump circulating fluid；Drilling fluid pushes helical rotor 2 to rotate, to make valve collar 6 and quiet valve
Ring 8 generates relative motion, and drilling fluid area of passage periodically-varied generates periodical surge pressure；When surge pressure increases,
Drilling fluid pushes transmission shaft 11 and helical axis 14 axially to move down, and compresses disc spring 15, and helical axis 14 drives shaped spiral housing 13 and output
Axis 16 rotates in a circumferential direction certain angle；When surge pressure reduces, under the effect of 15 elastic force of disc spring, 14 axis of transmission shaft 11 and helical axis
To moving up, helical axis 14 drives shaped spiral housing 13 and output shaft 16 to reversely rotate certain angle；It is thusly-formed 16 period of output shaft
Property reciprocally swinging, to make drill bit generate periodical high-frequency micro-swinging, overcome the generation of stick-slip phenomenon.
Claims (2)
1. a kind of anti-sticking slider power churn drilling tools is by top connection (1), helical rotor (2), outer housing (3), dynamic valve seat (4), pushes away
Power bearing (5), Bearing housing (7), quiet valve collar (8), transmission housing (9), upper anti-caps off (10), transmission shaft at dynamic valve collar (6)
(11), lower anti-(12), shaped spiral housing (13), helical axis (14), disc spring (15) and the output shaft (16) of capping off is constituted；Its feature exists
In：Top connection (1) and upper drilling string screwed connection, output shaft (16) lower end and drill bit screwed connection；Outer housing (3) upper end and upper
Connector (1) lower end screwed connection, outer housing (3) lower end and transmission housing (9) upper end screwed connection；Transmission housing (9) lower end and
It is upper to prevent capping off (10) screwed connection, it is set as interior all directions in the middle part of transmission housing (9) inner cavity；Outer eight are set as in the middle part of transmission shaft (11)
Side, inner cavity top is set as stepped hole；Dynamic valve seat (4) inner cavity lower part is set as stepped hole, and dynamic valve seat (4) lower part outer circle is set as
Step, dynamic valve seat (4) middle part is circumferential to be uniformly arranged two inclined holes connection interior or exterior spaces；Dynamic valve collar (6) inner cavity is set as eccentric orfice,
Quiet valve collar (8) inner cavity is set as eccentric orfice, moves the eccentricity phase of the eccentricity and quiet valve collar (8) eccentric orfice of valve collar (6) eccentric orfice
Deng；Dynamic valve collar (6) outer circle and dynamic valve seat (4) inner cavity lower step hole interference fit, quiet valve collar (8) outer circle and transmission shaft (11) are interior
Chamber upper step hole is interference fitted；Thrust bearing (5) is mounted on dynamic valve seat (4) lower part outer circle step, and Bearing housing (7) is inserted in
Dynamic valve seat (4) outer circle, Bearing housing (7) upper end inner edge and thrust bearing (5) contact, Bearing housing (7) lower end and transmission shaft
(11) upper end screwed connection；The multi-head spiral wing is provided with outside helical rotor (2), the helical angle of screw wing is 40 °~50 °, spiral shell
Gyrator (2) lower end and dynamic valve seat (4) upper end screwed connection；Transmission shaft (11) is placed in transmission housing (9) inner cavity, transmission shaft (11)
All directions and all directions clearance fit in the middle part of transmission housing (9) inner cavity outside middle part；It shaped spiral housing (13) upper end and lower anti-caps off (12)
Screwed connection, shaped spiral housing (13) lower end and output shaft (16) upper end screwed connection；Helical axis (14) upper end and transmission shaft (11)
Lower end screwed connection, helical axis (14) are placed in shaped spiral housing (13) inner cavity, the spline of helical axis (14) and shaped spiral housing (13)
Spline gaps coordinate；Disc spring (15) is mounted in the outer circle of helical axis (14) lower part, and disc spring (15) is in compressive state；Described in tripping in
Anti-sticking slider power churn drilling tools applies bit pressure to disc spring (15) preload pressure or more, turn on pump circulating fluid, drilling fluid to shaft bottom
Helical rotor (2) is pushed to rotate, to make valve collar (6) and quiet valve collar (8) generate relative motion, drilling fluid area of passage period
It sexually revises, generates periodical surge pressure, when surge pressure increases, drilling fluid pushes transmission shaft (11) and helical axis (14) axis
To moving down, disc spring (15) is further compressed, helical axis (14) driving shaped spiral housing (13) and output shaft (16) rotate in a circumferential direction centainly
Angle, when surge pressure reduces, under the effect of disc spring (15) elastic force, transmission shaft (11) and helical axis (14) axially move up, spiral shell
Spin axis (14) drives shaped spiral housing (13) and output shaft (16) reversely rotates certain angle, output shaft (16) periodic reverse pendulum
Dynamic, driving drill bit generates periodical high-frequency micro-swinging.
2. anti-sticking slider power churn drilling tools according to claim 1, it is characterized in that：Shaped spiral housing (13) the inner cavity setting
Helical angle for spline, spline is 15 °~25 °, and spline, the helical angle of helical axis (14) spline are set as in the middle part of helical axis (14)
It is consistent with the helical angle of shaped spiral housing (13) spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430466.4A CN106050177B (en) | 2016-06-16 | 2016-06-16 | A kind of anti-sticking slider power churn drilling tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430466.4A CN106050177B (en) | 2016-06-16 | 2016-06-16 | A kind of anti-sticking slider power churn drilling tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106050177A CN106050177A (en) | 2016-10-26 |
| CN106050177B true CN106050177B (en) | 2018-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610430466.4A Expired - Fee Related CN106050177B (en) | 2016-06-16 | 2016-06-16 | A kind of anti-sticking slider power churn drilling tools |
Country Status (1)
| Country | Link |
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| CN (1) | CN106050177B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106894755B (en) * | 2017-05-08 | 2019-01-01 | 西南石油大学 | A kind of waterpower pulse formula is spun helicoid hydraulic motor |
| CN107152254B (en) * | 2017-07-04 | 2019-03-05 | 西南石油大学 | A kind of continuous week pendulum jarring tool |
| CN107542405A (en) * | 2017-09-28 | 2018-01-05 | 山西风雷钻具有限公司 | Waterpower pulse helicoid hydraulic motor |
| CN108386142A (en) * | 2018-03-20 | 2018-08-10 | 西南石油大学 | A kind of punching torsion coupling drag reduction antifriction tool |
| CN114541996B (en) * | 2020-11-25 | 2023-08-22 | 中国石油天然气股份有限公司 | Axial sliding sleeve type downhole hydraulic pulse excitation tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5669458A (en) * | 1996-03-01 | 1997-09-23 | Anders; Edward O. | Rotary jar |
| CN201778652U (en) * | 2010-09-20 | 2011-03-30 | 西南石油大学 | Low-amplitude and high-frequency torsional pulse generator |
| CN104314471A (en) * | 2014-09-29 | 2015-01-28 | 中国石油大学(华东) | Underground torsion impact stimulation device based on drill string vibration |
| CN104499941A (en) * | 2014-12-11 | 2015-04-08 | 中国石油大学(华东) | Device for converting longitudinal vibration of drill stem into torsional impact of drill bit |
| CN105569577A (en) * | 2016-03-21 | 2016-05-11 | 西南石油大学 | Viscous motion preventing instrument capable of realizing friction reduction, drag reduction, energy saving and synergy |
| CN105625958A (en) * | 2016-01-07 | 2016-06-01 | 西南石油大学 | Hydraulic pulse type pressurizing drilling column feeding tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2545866B (en) * | 2014-10-21 | 2019-02-13 | Nov Downhole Eurasia Ltd | Downhole vibration assembly and method of using same |
-
2016
- 2016-06-16 CN CN201610430466.4A patent/CN106050177B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5669458A (en) * | 1996-03-01 | 1997-09-23 | Anders; Edward O. | Rotary jar |
| CN201778652U (en) * | 2010-09-20 | 2011-03-30 | 西南石油大学 | Low-amplitude and high-frequency torsional pulse generator |
| CN104314471A (en) * | 2014-09-29 | 2015-01-28 | 中国石油大学(华东) | Underground torsion impact stimulation device based on drill string vibration |
| CN104499941A (en) * | 2014-12-11 | 2015-04-08 | 中国石油大学(华东) | Device for converting longitudinal vibration of drill stem into torsional impact of drill bit |
| CN105625958A (en) * | 2016-01-07 | 2016-06-01 | 西南石油大学 | Hydraulic pulse type pressurizing drilling column feeding tool |
| CN105569577A (en) * | 2016-03-21 | 2016-05-11 | 西南石油大学 | Viscous motion preventing instrument capable of realizing friction reduction, drag reduction, energy saving and synergy |
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| CN106050177A (en) | 2016-10-26 |
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