AU1997170A - Springloaded adapter for drill rods and core barrel - Google Patents

Springloaded adapter for drill rods and core barrel

Info

Publication number
AU1997170A
AU1997170A AU19971/70A AU1997170A AU1997170A AU 1997170 A AU1997170 A AU 1997170A AU 19971/70 A AU19971/70 A AU 19971/70A AU 1997170 A AU1997170 A AU 1997170A AU 1997170 A AU1997170 A AU 1997170A
Authority
AU
Australia
Prior art keywords
springloaded
adapter
core barrel
drill rods
drill
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.)
Expired
Application number
AU19971/70A
Inventor
P. FLETCHER and WILLIAM L. ACKER ERNEST
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.)
Acker Drill Co Inc
Original Assignee
Acker Drill Co 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 Acker Drill Co Inc filed Critical Acker Drill Co Inc
Priority to AU19971/70A priority Critical patent/AU1997170A/en
Publication of AU1997170A publication Critical patent/AU1997170A/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
    • 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
    • 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
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
AU19971/70A 1970-09-15 1970-09-15 Springloaded adapter for drill rods and core barrel Expired AU1997170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU19971/70A AU1997170A (en) 1970-09-15 1970-09-15 Springloaded adapter for drill rods and core barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU19971/70A AU1997170A (en) 1970-09-15 1970-09-15 Springloaded adapter for drill rods and core barrel

Publications (1)

Publication Number Publication Date
AU1997170A true AU1997170A (en) 1972-03-16

Family

ID=3709331

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19971/70A Expired AU1997170A (en) 1970-09-15 1970-09-15 Springloaded adapter for drill rods and core barrel

Country Status (1)

Country Link
AU (1) AU1997170A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU582161B2 (en) * 1984-06-01 1989-03-16 Bralorne Resources Limited Floating cushion sub

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU582161B2 (en) * 1984-06-01 1989-03-16 Bralorne Resources Limited Floating cushion sub

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