ZA931107B - Reversible bit bearing. - Google Patents
Reversible bit bearing.Info
- Publication number
- ZA931107B ZA931107B ZA931107A ZA931107A ZA931107B ZA 931107 B ZA931107 B ZA 931107B ZA 931107 A ZA931107 A ZA 931107A ZA 931107 A ZA931107 A ZA 931107A ZA 931107 B ZA931107 B ZA 931107B
- Authority
- ZA
- South Africa
- Prior art keywords
- bit bearing
- reversible bit
- reversible
- bearing
- bit
- Prior art date
Links
- 230000002441 reversible effect Effects 0.000 title 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
- 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
- E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
-
- 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/844,046 US5207283A (en) | 1992-03-02 | 1992-03-02 | Reversible bit bearing |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA931107B true ZA931107B (en) | 1993-09-22 |
Family
ID=25291658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA931107A ZA931107B (en) | 1992-03-02 | 1993-02-17 | Reversible bit bearing. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5207283A (de) |
EP (1) | EP0584330B1 (de) |
JP (1) | JPH06507458A (de) |
CN (1) | CN1076756A (de) |
AU (1) | AU660782B2 (de) |
CA (1) | CA2109302A1 (de) |
DE (1) | DE69302639T2 (de) |
WO (1) | WO1993018272A1 (de) |
ZA (1) | ZA931107B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9319223U1 (de) * | 1993-12-15 | 1994-02-24 | Walter, Hans-Philipp, 74251 Lehrensteinsfeld | Bohrhammer |
US5390749A (en) * | 1994-01-31 | 1995-02-21 | Ingersoll-Rand Company | Apparatus for positioning a split retaining ring in a down-hole percussive drill |
US5511628A (en) * | 1995-01-20 | 1996-04-30 | Holte; Ardis L. | Pneumatic drill with central evacuation outlet |
US5662180A (en) * | 1995-10-17 | 1997-09-02 | Dresser-Rand Company | Percussion drill assembly |
US5957220A (en) * | 1995-10-17 | 1999-09-28 | Dresser-Rand Company | Percussion drill assembly |
US5803192A (en) * | 1996-05-13 | 1998-09-08 | Holte; Ardis L. | Drill bit retainer for a down hole hammer assembly |
US5735358A (en) * | 1996-06-06 | 1998-04-07 | Ingersoll-Rand Company | Indexing percussive drilling bit |
CA2461985C (en) * | 2003-03-25 | 2011-01-04 | Bernard Lionel Gien | Down-the-hole drill assembly |
US7040417B2 (en) * | 2003-12-11 | 2006-05-09 | Cct Technologies, L.L.C. | Drilling systems |
US20110180330A1 (en) * | 2010-01-26 | 2011-07-28 | Conn Timothy W | Drilling assembly with underreaming bit and method of use |
US8439135B2 (en) | 2010-04-01 | 2013-05-14 | Center Rock Inc. | Down-the-hole drill hammer having an extendable drill bit assembly |
IES20100502A2 (en) * | 2010-08-12 | 2011-04-27 | Minroc Techn Promotions Ltd | An attachment for percussion drill tools |
IES20100666A2 (en) | 2010-10-15 | 2011-06-22 | Minroc Techn Promotions Ltd | A down-the-hole hammer |
CN102434095A (zh) * | 2011-12-30 | 2012-05-02 | 苏州新锐工程工具有限公司 | 高风压潜孔冲击器 |
US9593536B2 (en) * | 2014-05-09 | 2017-03-14 | Reelwell, AS | Casing drilling system and method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4084646A (en) * | 1976-02-19 | 1978-04-18 | Ingersoll-Rand Company | Fluid actuated impact tool |
US4025133A (en) * | 1976-05-24 | 1977-05-24 | Aerofall Mills Limited | Reversible pivoted bearing |
DE2736423A1 (de) * | 1976-09-03 | 1978-03-09 | Westinghouse Electric Corp | Axial-drucklager |
US4553857A (en) * | 1983-12-22 | 1985-11-19 | Ney Robert J | Reversible journal bearing uniflow lubrication system |
US4921056A (en) * | 1987-04-23 | 1990-05-01 | Ennis Melvyn S J | Hammer drills for making boreholes |
-
1992
- 1992-03-02 US US07/844,046 patent/US5207283A/en not_active Expired - Fee Related
-
1993
- 1993-02-16 DE DE69302639T patent/DE69302639T2/de not_active Expired - Fee Related
- 1993-02-16 EP EP93905971A patent/EP0584330B1/de not_active Expired - Lifetime
- 1993-02-16 WO PCT/US1993/001356 patent/WO1993018272A1/en active IP Right Grant
- 1993-02-16 JP JP5515694A patent/JPH06507458A/ja active Pending
- 1993-02-16 CA CA002109302A patent/CA2109302A1/en not_active Abandoned
- 1993-02-16 AU AU36682/93A patent/AU660782B2/en not_active Ceased
- 1993-02-17 ZA ZA931107A patent/ZA931107B/xx unknown
- 1993-03-01 CN CN93103479A patent/CN1076756A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH06507458A (ja) | 1994-08-25 |
DE69302639T2 (de) | 1996-12-05 |
DE69302639D1 (de) | 1996-06-20 |
AU3668293A (en) | 1993-10-05 |
US5207283A (en) | 1993-05-04 |
CN1076756A (zh) | 1993-09-29 |
EP0584330B1 (de) | 1996-05-15 |
CA2109302A1 (en) | 1993-09-03 |
EP0584330A1 (de) | 1994-03-02 |
WO1993018272A1 (en) | 1993-09-16 |
AU660782B2 (en) | 1995-07-06 |
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