FR2581697B1 - BICONE WITH PERCUTANT MONOLAME - Google Patents

BICONE WITH PERCUTANT MONOLAME

Info

Publication number
FR2581697B1
FR2581697B1 FR8507265A FR8507265A FR2581697B1 FR 2581697 B1 FR2581697 B1 FR 2581697B1 FR 8507265 A FR8507265 A FR 8507265A FR 8507265 A FR8507265 A FR 8507265A FR 2581697 B1 FR2581697 B1 FR 2581697B1
Authority
FR
France
Prior art keywords
percutant
monolame
bicone
percutant monolame
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
FR8507265A
Other languages
French (fr)
Other versions
FR2581697A1 (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.)
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
Priority to FR8507265A priority Critical patent/FR2581697B1/en
Publication of FR2581697A1 publication Critical patent/FR2581697A1/en
Application granted granted Critical
Publication of FR2581697B1 publication Critical patent/FR2581697B1/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/06Down-hole impacting means, e.g. hammers
    • E21B4/10Down-hole impacting means, e.g. hammers continuous unidirectional rotary motion of shaft or drilling pipe effecting consecutive impacts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • E21B10/40Percussion drill bits with leading portion
FR8507265A 1985-05-10 1985-05-10 BICONE WITH PERCUTANT MONOLAME Expired FR2581697B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8507265A FR2581697B1 (en) 1985-05-10 1985-05-10 BICONE WITH PERCUTANT MONOLAME

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8507265A FR2581697B1 (en) 1985-05-10 1985-05-10 BICONE WITH PERCUTANT MONOLAME

Publications (2)

Publication Number Publication Date
FR2581697A1 FR2581697A1 (en) 1986-11-14
FR2581697B1 true FR2581697B1 (en) 1987-07-24

Family

ID=9319243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8507265A Expired FR2581697B1 (en) 1985-05-10 1985-05-10 BICONE WITH PERCUTANT MONOLAME

Country Status (1)

Country Link
FR (1) FR2581697B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2301317C2 (en) 2001-09-20 2007-06-20 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Method and device for geological bed drilling

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1526748A (en) * 1923-10-10 1925-02-17 Charles H Herman Rotary drilling apparatus
US2350364A (en) * 1941-03-17 1944-06-06 James W Menhall Deep well drilling apparatus
US2725215A (en) * 1953-05-05 1955-11-29 Donald B Macneir Rotary rock drilling tool
US2859941A (en) * 1956-02-06 1958-11-11 Martin B Carroll Combination rotary and impact drill
US3250337A (en) * 1963-10-29 1966-05-10 Max J Demo Rotary shock wave drill bit
US3807512A (en) * 1972-12-29 1974-04-30 Texaco Inc Percussion-rotary drilling mechanism with mud drive turbine

Also Published As

Publication number Publication date
FR2581697A1 (en) 1986-11-14

Similar Documents

Publication Publication Date Title
DK32285A (en) A DIESELAGGREAT
FR2576297B1 (en) UNIVERSAL GALOCHE WITH IMPERDABLE ELEMENTS
DE3665304D1 (en) OBELMYCIN A
ATA155686A (en) GIESSPFANENKOPF
BR8506438A (en) PESTICIDE-RELATED IMPROVEMENTS
FR2588644B1 (en) SOLAR COOKER WITH IMPROVED CONVENIENCE
IT1197123B (en) DOWN
AT386920B (en) MAISHAECKSLER
ES554971A0 (en) IMPROVEMENTS IN A CLUTCH
FR2581697B1 (en) BICONE WITH PERCUTANT MONOLAME
DK605286A (en) FUEL BRICKETS
ATA122686A (en) CHAINLOCK
KR850007376U (en) Gripper
KR860007760U (en) A can with a straw
ATA243485A (en) CRANKSET
SE8503781D0 (en) A NOVEL MORPHOLINOENANTIOMER
KR860010563U (en) Jicheolgi with counter
ATA173385A (en) STIEGENLIFT
ATA257585A (en) RU-DERUEBUNGSGERAET
KR880000984Y1 (en) A ballpen with a comb
ES287821Y (en) A CAVERNOTOME
MA20478A1 (en) A MULTIDILATOMETER
IT8550807V0 (en) MULTIPLE GIRASPIINO WITH SELF-CONDUCT
ES284889Y (en) A BICYCLE-SKATE SET
IT8434606V0 (en) A B C

Legal Events

Date Code Title Description
ST Notification of lapse