FR2065500A1 - - Google Patents

Info

Publication number
FR2065500A1
FR2065500A1 FR7037741A FR7037741A FR2065500A1 FR 2065500 A1 FR2065500 A1 FR 2065500A1 FR 7037741 A FR7037741 A FR 7037741A FR 7037741 A FR7037741 A FR 7037741A FR 2065500 A1 FR2065500 A1 FR 2065500A1
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.)
Granted
Application number
FR7037741A
Other languages
French (fr)
Other versions
FR2065500B1 (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.)
Sunoco Inc
Original Assignee
Sun Oil Co
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 Sun Oil Co filed Critical Sun Oil Co
Publication of FR2065500A1 publication Critical patent/FR2065500A1/fr
Application granted granted Critical
Publication of FR2065500B1 publication Critical patent/FR2065500B1/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
FR7037741A 1969-10-24 1970-10-20 Expired FR2065500B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86908369A 1969-10-24 1969-10-24

Publications (2)

Publication Number Publication Date
FR2065500A1 true FR2065500A1 (en) 1971-07-30
FR2065500B1 FR2065500B1 (en) 1975-01-10

Family

ID=25352891

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7037741A Expired FR2065500B1 (en) 1969-10-24 1970-10-20

Country Status (6)

Country Link
US (1) US3618682A (en)
AT (1) AT303646B (en)
CA (1) CA948182A (en)
DE (1) DE2052168A1 (en)
FR (1) FR2065500B1 (en)
GB (1) GB1281252A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189014A (en) * 1978-08-14 1980-02-19 Smith International, Inc. Enhanced cross-flow with two jet drilling
NO810916L (en) * 1980-03-24 1981-09-25 Reed Rock Bit Co DRILL CORON WITH ROLLER CUTTERS.
US4989680A (en) * 1980-03-24 1991-02-05 Camco International Inc. Drill bit having improved hydraulic action for directing drilling fluid
EP0449415A3 (en) * 1990-03-30 1991-11-27 Camco International Inc. Outwardly mounted nozzles for rotary drill bits
US5096005A (en) * 1990-03-30 1992-03-17 Camco International Inc. Hydraulic action for rotary drill bits
GB9507703D0 (en) * 1995-04-13 1995-05-31 Camco Int Flow channels

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2108955A (en) * 1936-06-02 1938-02-22 John A Zublin Fluid passage for drilling tools

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704204A (en) * 1951-07-02 1955-03-15 Pierce W Koontz Drill bit for drilling over-size hole
US2776115A (en) * 1953-10-29 1957-01-01 Jr Edward B Williams Drill bit
US2911196A (en) * 1957-05-03 1959-11-03 American Coldset Corp Diamond drill bit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2108955A (en) * 1936-06-02 1938-02-22 John A Zublin Fluid passage for drilling tools

Also Published As

Publication number Publication date
DE2052168A1 (en) 1971-05-06
AT303646B (en) 1972-12-11
GB1281252A (en) 1972-07-12
FR2065500B1 (en) 1975-01-10
CA948182A (en) 1974-05-28
US3618682A (en) 1971-11-09

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Legal Events

Date Code Title Description
ST Notification of lapse