FR2444168B1 - - Google Patents

Info

Publication number
FR2444168B1
FR2444168B1 FR7923248A FR7923248A FR2444168B1 FR 2444168 B1 FR2444168 B1 FR 2444168B1 FR 7923248 A FR7923248 A FR 7923248A FR 7923248 A FR7923248 A FR 7923248A FR 2444168 B1 FR2444168 B1 FR 2444168B1
Authority
FR
France
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
FR7923248A
Other languages
French (fr)
Other versions
FR2444168A1 (en
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.)
Norton Christensen Inc
Original Assignee
Christensen 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 Christensen Inc filed Critical Christensen Inc
Publication of FR2444168A1 publication Critical patent/FR2444168A1/en
Application granted granted Critical
Publication of FR2444168B1 publication Critical patent/FR2444168B1/fr
Granted 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
    • F01C1/10—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F01C1/101—Moineau-type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C11/00—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
    • F01C11/002—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type of similar working principle
FR7923248A 1978-09-20 1979-09-18 Direct cutting-bit drive for deep drilling tools - with working fluid forced between helicoidal surfaces of case and flexible rotor in opposed sections, minimising wear Granted FR2444168A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782840809 DE2840809C3 (en) 1978-09-20 1978-09-20 Chisel direct drive for deep drilling tools

Publications (2)

Publication Number Publication Date
FR2444168A1 FR2444168A1 (en) 1980-07-11
FR2444168B1 true FR2444168B1 (en) 1985-01-04

Family

ID=6049882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7923248A Granted FR2444168A1 (en) 1978-09-20 1979-09-18 Direct cutting-bit drive for deep drilling tools - with working fluid forced between helicoidal surfaces of case and flexible rotor in opposed sections, minimising wear

Country Status (3)

Country Link
BE (1) BE878860A (en)
DE (1) DE2840809C3 (en)
FR (1) FR2444168A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019308C2 (en) * 1980-05-21 1982-09-02 Christensen, Inc., 84115 Salt Lake City, Utah Chisel direct drive for deep drilling tools
WO1991009201A1 (en) * 1989-12-08 1991-06-27 Permsky Filial Vsesojuznogo Nauchno-Issledovatelskogo Instituta Burovoi Tekhniki Working organ of helical-type down-hole drive for hole drilling

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB425447A (en) * 1933-08-17 1935-03-14 Olof Verner Fixen Improvements in screw engines, pumps or meters
US2591488A (en) * 1946-11-08 1952-04-01 Smith Corp A O Balanced turbodrill
DE1053444B (en) * 1956-12-03 1959-03-26 Neyrpic Ets Drilling turbine with core excavation and fixed hollow shaft
FR1163276A (en) * 1956-12-03 1958-09-24 Neyrpic Ets Improvements to core drilling turbines
FR2044241A5 (en) * 1969-05-13 1971-02-19 Elf
US4011917A (en) * 1974-08-19 1977-03-15 Wladimir Tiraspolsky Process and universal downhole motor for driving a tool
US4047581A (en) * 1976-12-01 1977-09-13 Kobe, Inc. Multistage, downhole, turbo-powered intensifier for drilling petroleum wells
DE2720130C3 (en) * 1977-05-05 1980-03-06 Christensen, Inc., Salt Lake City, Utah (V.St.A.) Chisel direct drive for deep drilling tools

Also Published As

Publication number Publication date
DE2840809B2 (en) 1981-02-19
BE878860A (en) 1980-01-16
FR2444168A1 (en) 1980-07-11
DE2840809A1 (en) 1980-04-03
DE2840809C3 (en) 1981-10-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse