ATA247289A - DRILLING DEVICE - Google Patents

DRILLING DEVICE

Info

Publication number
ATA247289A
ATA247289A AT247289A AT247289A ATA247289A AT A247289 A ATA247289 A AT A247289A AT 247289 A AT247289 A AT 247289A AT 247289 A AT247289 A AT 247289A AT A247289 A ATA247289 A AT A247289A
Authority
AT
Austria
Prior art keywords
drilling device
drilling
Prior art date
Application number
AT247289A
Other languages
German (de)
Other versions
AT393537B (en
Inventor
Robert Dipl Ing Ecker
Johannes Dipl Ing Lintermann
Original Assignee
E & Pk Ingbuero
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 E & Pk Ingbuero filed Critical E & Pk Ingbuero
Priority to AT247289A priority Critical patent/AT393537B/en
Publication of ATA247289A publication Critical patent/ATA247289A/en
Application granted granted Critical
Publication of AT393537B publication Critical patent/AT393537B/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
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
AT247289A 1989-10-25 1989-10-25 Drill AT393537B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT247289A AT393537B (en) 1989-10-25 1989-10-25 Drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT247289A AT393537B (en) 1989-10-25 1989-10-25 Drill

Publications (2)

Publication Number Publication Date
ATA247289A true ATA247289A (en) 1991-04-15
AT393537B AT393537B (en) 1991-11-11

Family

ID=3534969

Family Applications (1)

Application Number Title Priority Date Filing Date
AT247289A AT393537B (en) 1989-10-25 1989-10-25 Drill

Country Status (1)

Country Link
AT (1) AT393537B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU459854B2 (en) * 1971-03-12 1975-04-10 The Titan Manufacturing Company Proprietary Limited Improvements in rock bolting equipment
SE417742B (en) * 1979-02-22 1981-04-06 Linden Alimak Ab DEVICE FOR BULT DRILLING DEVICE
HU182182B (en) * 1980-07-02 1983-12-28 Koezponti Banyaszati Fejleszte Pressure limiting valve particularly for hydraulic props
DE3612762C2 (en) * 1986-04-16 1994-06-23 E & Pk Ingbuero Telescopic drill
DE3816433C1 (en) * 1988-05-13 1989-06-01 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal, De Resetting control for hydraulic self-advancing support

Also Published As

Publication number Publication date
AT393537B (en) 1991-11-11

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee