AU3922578A - Drill bit - Google Patents

Drill bit

Info

Publication number
AU3922578A
AU3922578A AU39225/78A AU3922578A AU3922578A AU 3922578 A AU3922578 A AU 3922578A AU 39225/78 A AU39225/78 A AU 39225/78A AU 3922578 A AU3922578 A AU 3922578A AU 3922578 A AU3922578 A AU 3922578A
Authority
AU
Australia
Prior art keywords
drill bit
drill
bit
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
Application number
AU39225/78A
Other versions
AU521975B2 (en
Inventor
Charles Emmerich Kenneth
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.)
Nansteel Inc
Original Assignee
Nansteel Inc
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 Nansteel Inc filed Critical Nansteel Inc
Priority to AU39225/78A priority Critical patent/AU521975B2/en
Publication of AU3922578A publication Critical patent/AU3922578A/en
Application granted granted Critical
Publication of AU521975B2 publication Critical patent/AU521975B2/en
Expired 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
    • 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
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • 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
    • 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts
    • 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
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
AU39225/78A 1978-08-24 1978-08-24 Drill bit Expired AU521975B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU39225/78A AU521975B2 (en) 1978-08-24 1978-08-24 Drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU39225/78A AU521975B2 (en) 1978-08-24 1978-08-24 Drill bit

Publications (2)

Publication Number Publication Date
AU3922578A true AU3922578A (en) 1980-02-28
AU521975B2 AU521975B2 (en) 1982-05-13

Family

ID=3726226

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39225/78A Expired AU521975B2 (en) 1978-08-24 1978-08-24 Drill bit

Country Status (1)

Country Link
AU (1) AU521975B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU567313B2 (en) * 1982-12-17 1987-11-19 Vereinigte Edelstahlwerke A.G. (Vew) Drilling machine
CN117536618A (en) * 2024-01-10 2024-02-09 贵州桥梁建设集团有限责任公司 Hydraulic auxiliary splitting equipment for rock breaking

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU567313B2 (en) * 1982-12-17 1987-11-19 Vereinigte Edelstahlwerke A.G. (Vew) Drilling machine
CN117536618A (en) * 2024-01-10 2024-02-09 贵州桥梁建设集团有限责任公司 Hydraulic auxiliary splitting equipment for rock breaking
CN117536618B (en) * 2024-01-10 2024-03-12 贵州桥梁建设集团有限责任公司 Hydraulic auxiliary splitting equipment for rock breaking

Also Published As

Publication number Publication date
AU521975B2 (en) 1982-05-13

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