CA2703207A1 - Drill-string shock absorbers - Google Patents
Drill-string shock absorbers Download PDFInfo
- Publication number
- CA2703207A1 CA2703207A1 CA2703207A CA2703207A CA2703207A1 CA 2703207 A1 CA2703207 A1 CA 2703207A1 CA 2703207 A CA2703207 A CA 2703207A CA 2703207 A CA2703207 A CA 2703207A CA 2703207 A1 CA2703207 A1 CA 2703207A1
- Authority
- CA
- Canada
- Prior art keywords
- flange
- housing member
- string
- drill
- shock
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
Abstract
Implementations of the present invention relate generally to methods, systems, and apparatus for absorbing vibration and shock impulses created during drilling operations.
In particular, implementations of the present invention include drill-string shock absorbers adapted to absorb longitudinal forces produced during a drilling operation. For example, drill-string shock absorbers in accordance with at least one implementation of the present invention include a generally cylindrical housing having a first end and a second end coupled together by a radially interlocking joint. Such a configuration can reduce mechanical failure and increase the operating life of the shock absorber by transmitting torsional forces directly between the ends of the housing and reducing stresses from being transferred to fastening means securing the first and second ends of the cylindrical housing together.
In particular, implementations of the present invention include drill-string shock absorbers adapted to absorb longitudinal forces produced during a drilling operation. For example, drill-string shock absorbers in accordance with at least one implementation of the present invention include a generally cylindrical housing having a first end and a second end coupled together by a radially interlocking joint. Such a configuration can reduce mechanical failure and increase the operating life of the shock absorber by transmitting torsional forces directly between the ends of the housing and reducing stresses from being transferred to fastening means securing the first and second ends of the cylindrical housing together.
Claims (21)
1. An apparatus for reducing vibration and shock created in a drill string during a drilling operation, comprising:
a generally cylindrical housing including a first end and a second end coupled together by a radially interlocking joint formed by abutting surfaces of said first end and said second end; and a shock absorbing assembly disposed within said generally cylindrical housing adapted to absorb and dissipate shock impulses.
a generally cylindrical housing including a first end and a second end coupled together by a radially interlocking joint formed by abutting surfaces of said first end and said second end; and a shock absorbing assembly disposed within said generally cylindrical housing adapted to absorb and dissipate shock impulses.
2. The apparatus of claim 1, wherein said abutting surfaces form at least a portion of an outer radial wall surrounding and enclosing said shock absorbing assembly.
3. The apparatus of claim 1, further comprising at least one protrusion extending longitudinally from said first end of said generally cylindrical housing into at least one recess extending longitudinally into said second end of said generally cylindrical housing.
4. The apparatus of claim 3, further comprising at least one protrusion extending longitudinally from said second end of said generally cylindrical housing into at least one recess extending longitudinally into said first end of said generally cylindrical housing.
5. The apparatus of claim 1, wherein said shock absorbing assembly comprises a piston disposed between two resilient discs.
6. The apparatus of claim 5, wherein said piston comprising a radially extending flange positioned between said resilient discs, said flange being adapted to transmit force to said resilient discs.
7. A drill-string shock absorber, comprising:
a first housing member adapted to be coupled to a rotary drive;
a second housing member adapted to be coupled to a drill string;
a shock absorbing assembly longitudinally disposed between said first housing member and said second housing member;
a plurality of fasteners extending from said second housing member through said shock absorbing assembly and into said first housing member; and a plurality of radially interlocking members formed by abutting surfaces of said first housing member and said second housing member, said radially interlocking members adapted to transmit torque directly from said first housing member to said second housing member and reduce stress experienced by said plurality of fasteners.
a first housing member adapted to be coupled to a rotary drive;
a second housing member adapted to be coupled to a drill string;
a shock absorbing assembly longitudinally disposed between said first housing member and said second housing member;
a plurality of fasteners extending from said second housing member through said shock absorbing assembly and into said first housing member; and a plurality of radially interlocking members formed by abutting surfaces of said first housing member and said second housing member, said radially interlocking members adapted to transmit torque directly from said first housing member to said second housing member and reduce stress experienced by said plurality of fasteners.
8. The drill-string shock absorber of claim 7, -wherein said first housing member comprises a driving flange adapted to be coupled to the rotary drive and said second housing member comprises an output flange.
9. The drill-string shock absorber of claim 8, wherein said plurality of radially interlocking members formed by said abutting surfaces comprise an outer radial wall extending between said driving flange and said output flange.
10. The drill-string shock absorber of claim 8, further comprising a plurality of fastener sleeves extending between said driving flange and said output flange and through a plurality of holes formed in said shock absorbing assembly, wherein said plurality of fasteners are housed within said plurality of fastener sleeves.
11. The drill-string shock absorber of claim 7, wherein said plurality of radially interlocking members comprise a plurality of protrusions extending longitudinally from said second housing member into a plurality of recesses formed longitudinally into said first housing member.
12. A drill-string shock absorber, comprising:
a first flange comprising at least one engagement member extending longitudinally from an outer radial wall of said first flange;
a second flange comprising at least one recess extending longitudinally into an outer radial wall of said second flange, said at least one recess of said second flange being adapted to operatively engage said at least one engagement member of said first flange and to transmit torque directly from said first flange to said second flange;
a piston including a flange disposed between said first flange and said second flange;
at least a first shock absorbing member disposed between said first flange and said piston flange; and at least a second shock absorbing member disposed between said piston flange and said second flange.
a first flange comprising at least one engagement member extending longitudinally from an outer radial wall of said first flange;
a second flange comprising at least one recess extending longitudinally into an outer radial wall of said second flange, said at least one recess of said second flange being adapted to operatively engage said at least one engagement member of said first flange and to transmit torque directly from said first flange to said second flange;
a piston including a flange disposed between said first flange and said second flange;
at least a first shock absorbing member disposed between said first flange and said piston flange; and at least a second shock absorbing member disposed between said piston flange and said second flange.
13. The drill-string shock absorber of claim 12, further comprising a plurality of fasteners adapted to secure said first flange to said second flange.
14. The drill-string shock absorber of claim 13, wherein said at least one engagement member is adapted to operatively engage said at least one recess to reduce stress applied to said first flange from being transferred to said plurality of fasteners and transfer at least a portion of the torque applied to said first flange directly to said second flange.
15. The drill-string shock absorber of claim 13, wherein said plurality of fasteners extend through a plurality of holes formed in the piston flange, second shock absorbing member, and first shock absorbing member.
16. A drilling system comprising:
a tool string comprising a plurality of tubular members;
an earth-boring tool secured to a first end of said tool string;
a rotary drill head coupled to a second end of said tool string, said rotary drill head configured to rotate said tool string; and a shock absorber secured between said rotary drill head and said tool string, said shock absorber comprising:
a cylindrical housing including a first end and a second end coupled together by a radially interlocking joint formed by abutting surfaces of said first end and said second end; and a shock absorbing assembly disposed within said cylindrical housing adapted to absorb and dissipate shock impulses.
a tool string comprising a plurality of tubular members;
an earth-boring tool secured to a first end of said tool string;
a rotary drill head coupled to a second end of said tool string, said rotary drill head configured to rotate said tool string; and a shock absorber secured between said rotary drill head and said tool string, said shock absorber comprising:
a cylindrical housing including a first end and a second end coupled together by a radially interlocking joint formed by abutting surfaces of said first end and said second end; and a shock absorbing assembly disposed within said cylindrical housing adapted to absorb and dissipate shock impulses.
17. The drilling system of claim 16, wherein said tools string comprises a down-the-hole hammer.
18. The drilling system of claim 16, wherein said rotary drill head comprises a double-head rotary drill system.
19. A method of absorbing vibration and shock impulses during a drilling operation, comprising:
coupling a portion of a tool string to a shock absorber secured to a rotary drill head, said shock absorber comprising:
a first housing member including an outer radial wall, said outer radial wall including one or more engagement members extending longitudinally therefrom;
a second housing member including an outer radial wall, said outer radial wall including one or more recesses extending longitudinally therein; and a shock absorbing assembly disposed between said first housing member and said second housing member;
rotating said rotary drill head to cause said one or more engagement members to operatively engage said one or more recesses and thereby transmit torque directly from said first housing member to said second housing member.
coupling a portion of a tool string to a shock absorber secured to a rotary drill head, said shock absorber comprising:
a first housing member including an outer radial wall, said outer radial wall including one or more engagement members extending longitudinally therefrom;
a second housing member including an outer radial wall, said outer radial wall including one or more recesses extending longitudinally therein; and a shock absorbing assembly disposed between said first housing member and said second housing member;
rotating said rotary drill head to cause said one or more engagement members to operatively engage said one or more recesses and thereby transmit torque directly from said first housing member to said second housing member.
20. The method of claim 19, further comprising rotating said rotary drill head to cause said one or more engagement members to operatively engage said one or more recesses and thereby reduce stress transmitted to a plurality of fasteners securing said first housing member, said shock absorbing assembly, and said second housing member together.
21. The method of claim 19, further comprising coupling a down-the-hole hammer to said second housing member.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US98170807P | 2007-10-22 | 2007-10-22 | |
| US60/981,708 | 2007-10-22 | ||
| US12/253,082 US7779932B2 (en) | 2007-10-22 | 2008-10-16 | Drill-string shock absorbers |
| US12/253,082 | 2008-10-16 | ||
| PCT/US2008/080692 WO2009055412A2 (en) | 2007-10-22 | 2008-10-22 | Drill-string shock absorbers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2703207A1 true CA2703207A1 (en) | 2009-04-30 |
| CA2703207C CA2703207C (en) | 2012-12-04 |
Family
ID=40562328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2703207A Expired - Fee Related CA2703207C (en) | 2007-10-22 | 2008-10-22 | Drill-string shock absorbers |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7779932B2 (en) |
| EP (1) | EP2212509A4 (en) |
| CN (1) | CN101827996B (en) |
| AU (1) | AU2008316961B2 (en) |
| CA (1) | CA2703207C (en) |
| CL (1) | CL2008003108A1 (en) |
| TW (1) | TWI354055B (en) |
| WO (1) | WO2009055412A2 (en) |
| ZA (1) | ZA201002176B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2009243911B2 (en) * | 2008-05-05 | 2010-11-25 | Montrae Mining Pty Ltd | Drilling apparatus |
| NO333681B1 (en) * | 2009-01-08 | 2013-08-12 | Aker Subsea As | Underwater auxiliary compensator |
| CN102140892B (en) * | 2011-01-24 | 2014-11-05 | 中国电建集团中南勘测设计研究院有限公司 | Elastic drill rod joint used for directional drilling |
| AU2013206845A1 (en) * | 2012-01-03 | 2014-07-24 | Corry Rubber Corporation | Drill chuck isolator |
| NO344886B1 (en) | 2012-02-28 | 2020-06-15 | Smart Stabilizer Systems Ltd | TORQUE CONTROL DEVICE FOR A DOWNHOLE DRILLING ASSEMBLY. |
| CN103147696B (en) * | 2013-03-19 | 2014-12-17 | 长安大学 | Drill stem protector for absorbing drill stem impact shock |
| RU2625682C1 (en) | 2013-07-09 | 2017-07-18 | Халлибертон Энерджи Сервисез, Инк. | Reduction method of the torsional vibration in the borehole and corresponding device |
| WO2015084345A1 (en) * | 2013-12-04 | 2015-06-11 | Halliburton Energy Services, Inc. | Vibration damper |
| NL2014075B1 (en) | 2014-12-30 | 2016-10-12 | High Five Solutions B V | Method for anchoring and/or founding an object to the ground. |
| WO2024031147A1 (en) * | 2022-08-11 | 2024-02-15 | Todd Haines | An accessory for a drill bit |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3746330A (en) * | 1971-10-28 | 1973-07-17 | W Taciuk | Drill stem shock absorber |
| US3947009A (en) * | 1974-12-23 | 1976-03-30 | Bucyrus-Erie Company | Drill shock absorber |
| US4571215A (en) * | 1983-06-08 | 1986-02-18 | Boroloy Industries International, Inc. | Vibration dampener apparatus |
| US4844181A (en) * | 1988-08-19 | 1989-07-04 | Grey Bassinger | Floating sub |
| EP0436046A1 (en) * | 1990-01-02 | 1991-07-10 | Geologoprouchvatelno Predpriatie | Shock absorbing means for a core drillstring at the drilling site |
| US5372548A (en) * | 1990-03-23 | 1994-12-13 | Wohlfeld; William I. | Longitudinal and rotary shock absorber for rotary and percussion drill bits |
| US5476421A (en) * | 1990-08-22 | 1995-12-19 | Duramax, Inc. | Shock absorbing assembly |
| US5377772A (en) * | 1993-04-27 | 1995-01-03 | Gien; Bernard L. | Drill string shock absorbers |
| US5588916A (en) | 1994-02-17 | 1996-12-31 | Duramax, Inc. | Torque control device for rotary mine drilling machine |
| CA2216498C (en) | 1997-09-25 | 2002-11-26 | Foremost Industries Inc. | Floating cushion sub |
| CN2583347Y (en) * | 2002-11-13 | 2003-10-29 | 王双全 | Telescopic shock absorber for socker rod pump |
| CN2597654Y (en) * | 2003-01-23 | 2004-01-07 | 郭涛景 | Rotary vibration damper for sucker rod |
| CN2911171Y (en) * | 2005-12-09 | 2007-06-13 | 四川石油管理局川东开发公司 | Tubing string dampener |
| CN2883651Y (en) * | 2006-01-06 | 2007-03-28 | 长江大学 | Multiple spline keys driving drill collar shock absorber |
| CN2886059Y (en) * | 2006-04-14 | 2007-04-04 | 胜利油田固茂石油工程有限责任公司 | Pipe string buffer |
| CN101012741A (en) * | 2007-01-22 | 2007-08-08 | 大庆油田有限责任公司 | Method for lowing energy-consumption and increasing output by changing elasticity modulus of pumping rod and special apparatus |
-
2008
- 2008-10-16 US US12/253,082 patent/US7779932B2/en not_active Expired - Fee Related
- 2008-10-21 CL CL2008003108A patent/CL2008003108A1/en unknown
- 2008-10-22 AU AU2008316961A patent/AU2008316961B2/en not_active Ceased
- 2008-10-22 WO PCT/US2008/080692 patent/WO2009055412A2/en active Application Filing
- 2008-10-22 CA CA2703207A patent/CA2703207C/en not_active Expired - Fee Related
- 2008-10-22 EP EP08841974.2A patent/EP2212509A4/en not_active Withdrawn
- 2008-10-22 CN CN2008801122668A patent/CN101827996B/en not_active Expired - Fee Related
- 2008-10-22 TW TW097140512A patent/TWI354055B/en not_active IP Right Cessation
-
2010
- 2010-03-26 ZA ZA2010/02176A patent/ZA201002176B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU2008316961B2 (en) | 2011-05-26 |
| TWI354055B (en) | 2011-12-11 |
| WO2009055412A2 (en) | 2009-04-30 |
| US7779932B2 (en) | 2010-08-24 |
| CN101827996B (en) | 2013-04-24 |
| AU2008316961A1 (en) | 2009-04-30 |
| EP2212509A4 (en) | 2016-02-10 |
| EP2212509A2 (en) | 2010-08-04 |
| TW200928074A (en) | 2009-07-01 |
| US20090101412A1 (en) | 2009-04-23 |
| CA2703207C (en) | 2012-12-04 |
| ZA201002176B (en) | 2011-05-25 |
| CL2008003108A1 (en) | 2009-07-03 |
| CN101827996A (en) | 2010-09-08 |
| WO2009055412A3 (en) | 2009-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20161024 |