CA950266A - Rock drills - Google Patents

Rock drills

Info

Publication number
CA950266A
CA950266A CA116,779,A CA116779A CA950266A CA 950266 A CA950266 A CA 950266A CA 116779 A CA116779 A CA 116779A CA 950266 A CA950266 A CA 950266A
Authority
CA
Canada
Prior art keywords
rock drills
drills
rock
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
CA116,779,A
Other versions
CA116779S (en
Inventor
William Mayall
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
Application granted granted Critical
Publication of CA950266A publication Critical patent/CA950266A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/903—Well bit drive turbine
CA116,779,A 1970-06-30 1971-06-28 Rock drills Expired CA950266A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1244671A GB1358162A (en) 1970-06-30 1970-06-30 Hydraulic motors for rock drills
GB1244671 1971-04-30

Publications (1)

Publication Number Publication Date
CA950266A true CA950266A (en) 1974-07-02

Family

ID=26249027

Family Applications (1)

Application Number Title Priority Date Filing Date
CA116,779,A Expired CA950266A (en) 1970-06-30 1971-06-28 Rock drills

Country Status (8)

Country Link
US (1) US3749511A (en)
BE (1) BE769297A (en)
CA (1) CA950266A (en)
CH (1) CH541061A (en)
DE (1) DE2132634A1 (en)
FR (1) FR2100087A5 (en)
GB (1) GB1358162A (en)
NL (1) NL7108956A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30257E (en) * 1975-01-31 1980-04-22 Engineering Enterprises, Inc. Well drilling tool
US4019591A (en) * 1975-06-09 1977-04-26 Engineering Enterprises, Inc. Well drilling tool
CA1314864C (en) * 1989-04-14 1993-03-23 Computalog Gearhart Ltd. Compressive seal and pressure control arrangements for downhole tools
GB2292186A (en) * 1994-07-29 1996-02-14 John Richard Neville Roe Hinged vane motor
US6659200B1 (en) * 1999-12-20 2003-12-09 Halliburton Energy Services, Inc. Actuator assembly and method for actuating downhole assembly
US6568489B1 (en) * 2001-04-17 2003-05-27 Charles D. Hailey Apparatus and method for downhole lubrication replenishment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806672A (en) * 1954-09-01 1957-09-17 Borg Warner Turbine assembly
US3594106A (en) * 1969-05-09 1971-07-20 Empire Oil Tool Co Variable speed motor drill
US3630634A (en) * 1969-07-01 1971-12-28 William Mayall Rock-drilling apparatus

Also Published As

Publication number Publication date
NL7108956A (en) 1972-01-03
GB1358162A (en) 1974-06-26
FR2100087A5 (en) 1972-03-17
US3749511A (en) 1973-07-31
CH541061A (en) 1973-08-31
DE2132634A1 (en) 1972-01-05
BE769297A (en) 1971-12-30

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