FI972010A0 - Arrangements and arrangements - Google Patents

Arrangements and arrangements

Info

Publication number
FI972010A0
FI972010A0 FI972010A FI972010A FI972010A0 FI 972010 A0 FI972010 A0 FI 972010A0 FI 972010 A FI972010 A FI 972010A FI 972010 A FI972010 A FI 972010A FI 972010 A0 FI972010 A0 FI 972010A0
Authority
FI
Finland
Prior art keywords
arrangements
Prior art date
Application number
FI972010A
Other languages
Finnish (fi)
Inventor
Risto Wisakanto
Pekka Salmi
Harri Kangasala Sjoeholm
Original Assignee
Risto Wisakanto
Pekka Salmi
Sjoeholm Harri
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 Risto Wisakanto, Pekka Salmi, Sjoeholm Harri filed Critical Risto Wisakanto
Priority to FI972010A priority Critical patent/FI972010A0/en
Publication of FI972010A0 publication Critical patent/FI972010A0/en
Priority to PCT/FI1998/000387 priority patent/WO1998051900A1/en
Priority to EP98920553A priority patent/EP0981678A1/en
Priority to AU73371/98A priority patent/AU7337198A/en

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
    • 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 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
    • 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
    • E21B17/18—Pipes provided with plural fluid passages
    • 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
    • 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
FI972010A 1997-05-13 1997-05-13 Arrangements and arrangements FI972010A0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
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
EP98920553A EP0981678A1 (en) 1997-05-13 1998-05-06 Arrangement in a drilling apparatus
AU73371/98A AU7337198A (en) 1997-05-13 1998-05-06 Arrangement in a drilling apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI972010A FI972010A0 (en) 1997-05-13 1997-05-13 Arrangements and arrangements

Publications (1)

Publication Number Publication Date
FI972010A0 true FI972010A0 (en) 1997-05-13

Family

ID=8548831

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972010A FI972010A0 (en) 1997-05-13 1997-05-13 Arrangements and arrangements

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
FI103688B1 (en) * 1994-09-16 1999-08-13 Winrock Tech Ltd Oy The drill rod
WO1996020330A1 (en) * 1994-12-23 1996-07-04 Oy Winrock Technology Ltd Drilling apparatus

Also Published As

Publication number Publication date
WO1998051900A1 (en) 1998-11-19
EP0981678A1 (en) 2000-03-01
AU7337198A (en) 1998-12-08

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Legal Events

Date Code Title Description
FD Application lapsed