AU7337198A - Arrangement in a drilling apparatus - Google Patents

Arrangement in a drilling apparatus

Info

Publication number
AU7337198A
AU7337198A AU73371/98A AU7337198A AU7337198A AU 7337198 A AU7337198 A AU 7337198A AU 73371/98 A AU73371/98 A AU 73371/98A AU 7337198 A AU7337198 A AU 7337198A AU 7337198 A AU7337198 A AU 7337198A
Authority
AU
Australia
Prior art keywords
arrangement
drilling apparatus
drilling
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.)
Abandoned
Application number
AU73371/98A
Inventor
Pekka Salmi
Harri Sjoholm
Risto Wisakanto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU7337198A publication Critical patent/AU7337198A/en
Abandoned legal-status Critical Current

Links

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
    • 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
    • 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
    • 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
    • E21B17/18—Pipes provided with plural fluid passages
    • 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
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
AU73371/98A 1997-05-13 1998-05-06 Arrangement in a drilling apparatus Abandoned AU7337198A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI972010 1997-05-13
FI972010A FI972010A0 (en) 1997-05-13 1997-05-13 Arrangements and arrangements
PCT/FI1998/000387 WO1998051900A1 (en) 1997-05-13 1998-05-06 Arrangement in a drilling apparatus

Publications (1)

Publication Number Publication Date
AU7337198A true AU7337198A (en) 1998-12-08

Family

ID=8548831

Family Applications (1)

Application Number Title Priority Date Filing Date
AU73371/98A Abandoned AU7337198A (en) 1997-05-13 1998-05-06 Arrangement in a drilling apparatus

Country Status (4)

Country Link
EP (1) EP0981678A1 (en)
AU (1) AU7337198A (en)
FI (1) FI972010A0 (en)
WO (1) WO1998051900A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102425382B (en) * 2011-09-22 2014-06-25 中国石油大学(北京) Dynamic pressure lubrication drilling tool and drilling tool assembly with same
GB2515569A (en) * 2013-06-28 2014-12-31 Mincon Internat Multi-accumulator arrangement for hydraulic percussion mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828048A (en) * 1986-11-10 1989-05-09 Mayer James R Hydraulic Percussion tool
FI103688B (en) * 1994-09-16 1999-08-13 Atlas Copco Secoroc Ab The drill rod
WO1996020330A1 (en) * 1994-12-23 1996-07-04 Oy Winrock Technology Ltd Drilling apparatus

Also Published As

Publication number Publication date
EP0981678A1 (en) 2000-03-01
WO1998051900A1 (en) 1998-11-19
FI972010A0 (en) 1997-05-13

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase