DK300375A - Boreverktoj - Google Patents

Boreverktoj

Info

Publication number
DK300375A
DK300375A DK300375A DK300375A DK300375A DK 300375 A DK300375 A DK 300375A DK 300375 A DK300375 A DK 300375A DK 300375 A DK300375 A DK 300375A DK 300375 A DK300375 A DK 300375A
Authority
DK
Denmark
Prior art keywords
drilling tools
drilling
tools
Prior art date
Application number
DK300375A
Other languages
Danish (da)
English (en)
Inventor
Y Castel
Original Assignee
Inst Francais Du Petrole
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 Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Publication of DK300375A publication Critical patent/DK300375A/da

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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/08—Roller bits
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
DK300375A 1974-07-11 1975-07-02 Boreverktoj DK300375A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7424458A FR2277968A1 (fr) 1974-07-11 1974-07-11 Outil de forage perfectionne

Publications (1)

Publication Number Publication Date
DK300375A true DK300375A (da) 1976-01-12

Family

ID=9141252

Family Applications (1)

Application Number Title Priority Date Filing Date
DK300375A DK300375A (da) 1974-07-11 1975-07-02 Boreverktoj

Country Status (9)

Country Link
JP (1) JPS595757B2 (de)
CA (1) CA1026315A (de)
DE (1) DE2529380C2 (de)
DK (1) DK300375A (de)
FR (1) FR2277968A1 (de)
GB (1) GB1477069A (de)
IT (1) IT1039685B (de)
NO (1) NO752475L (de)
SE (1) SE412621B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022285A (en) * 1976-03-11 1977-05-10 Frank Donald D Drill bit with suction and method of dry drilling with liquid column
FR2378938A1 (fr) * 1977-01-28 1978-08-25 Inst Francais Du Petrole Outil de forage a jet d'aspiration
US4126194A (en) * 1977-07-11 1978-11-21 Smith International, Inc. Rock bit with extended pickup tube
FR2442954A1 (fr) * 1977-11-21 1980-06-27 Inst Francais Du Petrole Outil de forage perfectionne a jet d'aspiration
FR2417002A1 (fr) * 1978-02-13 1979-09-07 Inst Francais Du Petrole Dispositif de stabilisation a lames comportant au moins un espace a effet venturi et utilisable notamment en combinaison avec un outil de forage
FR2421271A2 (fr) * 1978-03-30 1979-10-26 Inst Francais Du Petrole Outil de forage a jet d'aspiration
US4189014A (en) * 1978-08-14 1980-02-19 Smith International, Inc. Enhanced cross-flow with two jet drilling
US4293048A (en) * 1980-01-25 1981-10-06 Smith International, Inc. Jet dual bit
US4512420A (en) * 1980-07-17 1985-04-23 Gill Industries, Inc. Downhole vortex generator
CA2009987A1 (en) * 1990-02-14 1991-08-14 Kenneth M. White Journal bearing type rock bit
WO2008055349A1 (en) * 2006-11-08 2008-05-15 Nd Downhole Technology Ltd. Reverse nozzle drill bit
US9260922B2 (en) * 2012-03-29 2016-02-16 Varel International, Ind., L.P. Roller cone drill bit with cuttings evacuator
CA2974075A1 (en) 2016-08-09 2018-02-09 Varel International Ind., L.P. Durable rock bit for blast hole drilling
US11180959B2 (en) 2019-03-19 2021-11-23 Saudi Arabian Oil Company Wellbore drill bit
CN113732341A (zh) * 2021-08-27 2021-12-03 盐城加美机电科技有限公司 一种使用环形重钻的钻孔机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1256694A (en) * 1916-12-26 1918-02-19 Hughes Tool Co Rotary boring-drill.
US1236983A (en) * 1917-04-21 1917-08-14 Clarence Edward Reed Roller boring-drill.
US1289179A (en) * 1918-07-30 1918-12-31 Howard R Hughes Rotary boring-drill.
US1582332A (en) * 1923-12-08 1926-04-27 William V Seifert Roller-bits drilling tool
US1778966A (en) * 1927-09-06 1930-10-21 Reed Roller Bit Co Roller bit
US1736840A (en) * 1927-09-15 1929-11-26 Hughes Tool Co Shroud for well drills
US2946565A (en) * 1953-06-16 1960-07-26 Jersey Prod Res Co Combination drilling and testing process
US3070182A (en) * 1961-09-21 1962-12-25 John F Runte Self-cleaning fluid circulating drill bit
US3420324A (en) * 1966-04-15 1969-01-07 Herbert J Vesper Air rotary drill bit
US3416617A (en) * 1966-08-22 1968-12-17 Walker Neer Mfg Company Inc Drill bit
US3416618A (en) * 1966-10-28 1968-12-17 Dresser Ind Shrouded bit
US3439757A (en) * 1968-03-12 1969-04-22 Wayland D Elenburg Drilling apparatus

Also Published As

Publication number Publication date
FR2277968B1 (de) 1978-03-24
JPS595757B2 (ja) 1984-02-07
NO752475L (de) 1976-01-13
SE412621B (sv) 1980-03-10
CA1026315A (en) 1978-02-14
DE2529380A1 (de) 1976-01-22
FR2277968A1 (fr) 1976-02-06
GB1477069A (en) 1977-06-22
SE7507170L (sv) 1976-01-12
JPS5137001A (de) 1976-03-29
IT1039685B (it) 1979-12-10
DE2529380C2 (de) 1984-05-30

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