AU8207891A - Drilling method and drill bit equipment - Google Patents

Drilling method and drill bit equipment

Info

Publication number
AU8207891A
AU8207891A AU82078/91A AU8207891A AU8207891A AU 8207891 A AU8207891 A AU 8207891A AU 82078/91 A AU82078/91 A AU 82078/91A AU 8207891 A AU8207891 A AU 8207891A AU 8207891 A AU8207891 A AU 8207891A
Authority
AU
Australia
Prior art keywords
drill bit
drilling method
bit equipment
equipment
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
AU82078/91A
Inventor
Tarmo Lehtonen
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 AU8207891A publication Critical patent/AU8207891A/en
Abandoned legal-status Critical Current

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
    • E21B12/00—Accessories for drilling tools
    • E21B12/04—Drill bit protectors
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/003—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by analysing drilling variables or conditions
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/006—Measuring wall stresses in the borehole
AU82078/91A 1990-07-18 1991-07-18 Drilling method and drill bit equipment Abandoned AU8207891A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI903615A FI87390C (en) 1990-07-18 1990-07-18 Drilling procedure and drill bit apparatus
FI903615 1990-07-18

Publications (1)

Publication Number Publication Date
AU8207891A true AU8207891A (en) 1992-02-18

Family

ID=8530817

Family Applications (1)

Application Number Title Priority Date Filing Date
AU82078/91A Abandoned AU8207891A (en) 1990-07-18 1991-07-18 Drilling method and drill bit equipment

Country Status (3)

Country Link
AU (1) AU8207891A (en)
FI (1) FI87390C (en)
WO (1) WO1992001857A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644672A (en) * 1951-01-29 1953-07-07 Ted C Mathews Diamond bit protector
US2723836A (en) * 1954-09-24 1955-11-15 Bit Guides Inc Core bit protector
CH560312A5 (en) * 1972-09-15 1975-03-27 Lorenz Howard Ira Drill bit protective sheath - for rock drills

Also Published As

Publication number Publication date
FI903615A (en) 1992-01-19
FI903615A0 (en) 1990-07-18
FI87390C (en) 1992-12-28
FI87390B (en) 1992-09-15
WO1992001857A1 (en) 1992-02-06

Similar Documents

Publication Publication Date Title
AU655474B2 (en) Rock drill bit and method of making same
AU684506B2 (en) Drill bit and other downhole tools
AU682075B2 (en) Logging while drilling methods and apparatus
GB2284224B (en) Drill bit
AU8292191A (en) Drill cuttings disposal method and system
AU3830393A (en) Improved anti-whirl drill bit
AU9036291A (en) Method for treating drill cuttings during oil and gas drilling
EP0539118A3 (en) Method of logging while drilling
AU3404495A (en) Fixed-cutter drill bit assembly and method
SG52437A1 (en) Earth boring bit
AU1540495A (en) Drilling bit assembly and apparatus
EG19653A (en) Low friction subterranean drill bit and related method
AU9130091A (en) Drill bit
GB9417429D0 (en) Off-shore drilling apparatus
AU4909890A (en) Drill bit
ZA904380B (en) Rock drilling bit
NO306570B1 (en) Compressed-air drill tools and method for rotating the drill bit
AU8512891A (en) Method of drilling holes in rock
GB9121051D0 (en) Drill bit
AU8207891A (en) Drilling method and drill bit equipment
GB2242464B (en) Drill bit
GB2301386B (en) Drill bit
AU1682892A (en) Method of hole drilling
GB9317234D0 (en) Drill bit
ZA923569B (en) Drill bit or trepan