CH552126A - DRILLING TOOL. - Google Patents

DRILLING TOOL.

Info

Publication number
CH552126A
CH552126A CH629472A CH629472A CH552126A CH 552126 A CH552126 A CH 552126A CH 629472 A CH629472 A CH 629472A CH 629472 A CH629472 A CH 629472A CH 552126 A CH552126 A CH 552126A
Authority
CH
Switzerland
Prior art keywords
drilling tool
drilling
tool
Prior art date
Application number
CH629472A
Other languages
French (fr)
Original Assignee
Petroles Cie Francaise
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 Petroles Cie Francaise filed Critical Petroles Cie Francaise
Publication of CH552126A publication Critical patent/CH552126A/en

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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CH629472A 1971-05-04 1972-04-27 DRILLING TOOL. CH552126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7115966A FR2135053B1 (en) 1971-05-04 1971-05-04

Publications (1)

Publication Number Publication Date
CH552126A true CH552126A (en) 1974-07-31

Family

ID=9076363

Family Applications (1)

Application Number Title Priority Date Filing Date
CH629472A CH552126A (en) 1971-05-04 1972-04-27 DRILLING TOOL.

Country Status (9)

Country Link
US (1) US3768581A (en)
JP (1) JPS5318963B1 (en)
CA (1) CA967945A (en)
CH (1) CH552126A (en)
DE (1) DE2220455C3 (en)
FR (1) FR2135053B1 (en)
GB (1) GB1394115A (en)
IT (1) IT954958B (en)
RO (1) RO64710A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871488A (en) * 1974-02-13 1975-03-18 Daniel R Sabre Rock drilling
US4073354A (en) * 1976-11-26 1978-02-14 Christensen, Inc. Earth-boring drill bits
FR2385883A1 (en) * 1977-03-31 1978-10-27 Petroles Cie Francaise HIGH-PERFORMANCE QUICK-ATTACK CARROT DRILLING TOOL
US4098363A (en) * 1977-04-25 1978-07-04 Christensen, Inc. Diamond drilling bit for soft and medium hard formations
GB2123881B (en) * 1982-07-20 1985-11-13 Sumitomo Metal Mining Co Well drilling bit
FR2538442B1 (en) * 1982-12-23 1986-02-28 Charbonnages De France SIZE FOR ROTARY JET ASSISTED BY JET
US5373900A (en) 1988-04-15 1994-12-20 Baker Hughes Incorporated Downhole milling tool
US4719979A (en) * 1986-03-24 1988-01-19 Smith International, Inc. Expendable diamond drag bit
US4813500A (en) * 1987-10-19 1989-03-21 Smith International, Inc. Expendable diamond drag bit
US5025873A (en) * 1989-09-29 1991-06-25 Baker Hughes Incorporated Self-renewing multi-element cutting structure for rotary drag bit
FI103430B1 (en) * 1994-10-05 1999-06-30 Valto Ilomaeki Drilling unit and method for drilling a hole in several different soils
US8327956B2 (en) * 2008-12-19 2012-12-11 Varel International, Ind., L.P. Multi-set PDC drill bit and method
CN102704853B (en) * 2012-06-21 2015-07-15 四川深远石油钻井工具股份有限公司 Modular cutting tooth with controllable drilling specific pressure
DE112014002733B4 (en) 2013-06-06 2022-09-08 Milwaukee Electric Tool Corporation step drill
CN110678622B (en) * 2017-05-05 2021-12-21 史密斯国际有限公司 Stepped downhole tool and method of use
US11273501B2 (en) 2018-04-26 2022-03-15 Milwaukee Electric Tool Corporation Step drill bit
US20210363831A1 (en) * 2020-05-07 2021-11-25 Kenneth Layton STARR System and Method for A Drill Bit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE914723C (en) * 1949-02-03 1954-07-08 Wallram Hartmetall Drills for rock drilling machines
US2607562A (en) * 1951-03-19 1952-08-19 Phipps Orville Self-piloted rotary drill bit
US2894726A (en) * 1956-04-10 1959-07-14 Earl M Weaver Drilling bit
US3127945A (en) * 1960-03-02 1964-04-07 Jersey Prod Res Co Drag bit
US3135341A (en) * 1960-10-04 1964-06-02 Christensen Diamond Prod Co Diamond drill bits
FR1282700A (en) * 1960-12-16 1962-01-27 Aquitaine Petrole Diamond Drilling Tool Improvements
FR2029963A5 (en) * 1969-03-19 1970-10-23 Petroles Cie Francaise
US3599736A (en) * 1970-05-18 1971-08-17 American Coldset Corp Rotary drill bit

Also Published As

Publication number Publication date
DE2220455C3 (en) 1974-04-11
JPS5318963B1 (en) 1978-06-17
IT954958B (en) 1973-09-15
RO64710A (en) 1979-06-15
US3768581A (en) 1973-10-30
FR2135053A1 (en) 1972-12-15
FR2135053B1 (en) 1974-08-19
DE2220455A1 (en) 1972-11-16
DE2220455B2 (en) 1973-09-13
CA967945A (en) 1975-05-20
GB1394115A (en) 1975-05-14

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Legal Events

Date Code Title Description
PFA Name/firm changed

Owner name: TOTAL COMPAGNIE FRANCAISE DES PETROLES, SOCIETE AN

PL Patent ceased