FR2135053A1 - - Google Patents

Info

Publication number
FR2135053A1
FR2135053A1 FR7115966A FR7115966A FR2135053A1 FR 2135053 A1 FR2135053 A1 FR 2135053A1 FR 7115966 A FR7115966 A FR 7115966A FR 7115966 A FR7115966 A FR 7115966A FR 2135053 A1 FR2135053 A1 FR 2135053A1
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
FR7115966A
Other languages
French (fr)
Other versions
FR2135053B1 (ro
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.)
Total Compagnie Francaise des Petroles SA
Original Assignee
Compagnie Francaise des Petroles SA
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 Compagnie Francaise des Petroles SA filed Critical Compagnie Francaise des Petroles SA
Priority to FR7115966A priority Critical patent/FR2135053B1/fr
Priority to GB1928472A priority patent/GB1394115A/en
Priority to DE2220455A priority patent/DE2220455C3/de
Priority to CH629472A priority patent/CH552126A/fr
Priority to JP4358672A priority patent/JPS5318963B1/ja
Priority to US00249578A priority patent/US3768581A/en
Priority to RO7270774A priority patent/RO64710A/ro
Priority to CA141,244A priority patent/CA967945A/en
Priority to IT23835/72A priority patent/IT954958B/it
Publication of FR2135053A1 publication Critical patent/FR2135053A1/fr
Application granted granted Critical
Publication of FR2135053B1 publication Critical patent/FR2135053B1/fr
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
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • 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
    • 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
FR7115966A 1971-05-04 1971-05-04 Expired FR2135053B1 (ro)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7115966A FR2135053B1 (ro) 1971-05-04 1971-05-04
GB1928472A GB1394115A (en) 1971-05-04 1972-04-26 Rotary earth drilling tools
DE2220455A DE2220455C3 (de) 1971-05-04 1972-04-26 Bohrmeißel
CH629472A CH552126A (fr) 1971-05-04 1972-04-27 Outil de forage.
JP4358672A JPS5318963B1 (ro) 1971-05-04 1972-05-01
US00249578A US3768581A (en) 1971-05-04 1972-05-02 Frustro-conical drilling bit having radially tiered groups of teeth
RO7270774A RO64710A (fr) 1971-05-04 1972-05-03 Trepan de forage
CA141,244A CA967945A (en) 1971-05-04 1972-05-03 Outil de forage a tres haut rendement et de longue duree de vie
IT23835/72A IT954958B (it) 1971-05-04 1972-05-03 Utensile per perforazioni petroli fere ad altissimo rendimento e a lunga durata

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2135053A1 true FR2135053A1 (ro) 1972-12-15
FR2135053B1 FR2135053B1 (ro) 1974-08-19

Family

ID=9076363

Family Applications (1)

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

Country Status (9)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372311A1 (fr) * 1976-11-26 1978-06-23 Christensen Inc Trepan de forage
FR2530722A1 (fr) * 1982-07-20 1984-01-27 Sumitomo Metal Mining Co Trepan de forage a molettes avec couteau central
FR2538442A1 (fr) * 1982-12-23 1984-06-29 Charbonnages De France Taillant pour foration rotative assistee par jet

Families Citing this family (14)

* 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
FR2385883A1 (fr) * 1977-03-31 1978-10-27 Petroles Cie Francaise Outil de forage a haut rendement a attaque rapide de la carotte
US4098363A (en) * 1977-04-25 1978-07-04 Christensen, Inc. Diamond drilling bit for soft and medium hard formations
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
FI103430B (fi) * 1994-10-05 1999-06-30 Valto Ilomaeki Poralaite ja menetelmä reiän poraamiseksi useaan erilaatuiseen maaperä än
US8327956B2 (en) * 2008-12-19 2012-12-11 Varel International, Ind., L.P. Multi-set PDC drill bit and method
CN102704853B (zh) * 2012-06-21 2015-07-15 四川深远石油钻井工具股份有限公司 钻进比压可控的模块切削齿
DE112014002733B4 (de) 2013-06-06 2022-09-08 Milwaukee Electric Tool Corporation Stufenbohrer
CN110678622B (zh) * 2017-05-05 2021-12-21 史密斯国际有限公司 阶梯式井下工具和使用方法
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE914723C (de) * 1949-02-03 1954-07-08 Wallram Hartmetall Bohrer fuer Gesteinsdrehbohrmaschinen
FR2029963A5 (ro) * 1969-03-19 1970-10-23 Petroles Cie Francaise

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (fr) * 1960-12-16 1962-01-27 Aquitaine Petrole Perfectionnements aux outils de forage à diamants
US3599736A (en) * 1970-05-18 1971-08-17 American Coldset Corp Rotary drill bit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE914723C (de) * 1949-02-03 1954-07-08 Wallram Hartmetall Bohrer fuer Gesteinsdrehbohrmaschinen
FR2029963A5 (ro) * 1969-03-19 1970-10-23 Petroles Cie Francaise

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372311A1 (fr) * 1976-11-26 1978-06-23 Christensen Inc Trepan de forage
FR2530722A1 (fr) * 1982-07-20 1984-01-27 Sumitomo Metal Mining Co Trepan de forage a molettes avec couteau central
FR2538442A1 (fr) * 1982-12-23 1984-06-29 Charbonnages De France Taillant pour foration rotative assistee par jet
EP0114016A1 (fr) * 1982-12-23 1984-07-25 Etablissement public dit: CHARBONNAGES DE FRANCE Taillant pour foration rotative assistée par jet
US4535853A (en) * 1982-12-23 1985-08-20 Charbonnages De France Drill bit for jet assisted rotary drilling

Also Published As

Publication number Publication date
CA967945A (en) 1975-05-20
GB1394115A (en) 1975-05-14
DE2220455B2 (de) 1973-09-13
IT954958B (it) 1973-09-15
US3768581A (en) 1973-10-30
FR2135053B1 (ro) 1974-08-19
DE2220455C3 (de) 1974-04-11
DE2220455A1 (de) 1972-11-16
RO64710A (fr) 1979-06-15
JPS5318963B1 (ro) 1978-06-17
CH552126A (fr) 1974-07-31

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