CA994750A - Drilling bits for boring holes and wells - Google Patents

Drilling bits for boring holes and wells

Info

Publication number
CA994750A
CA994750A CA179,089A CA179089A CA994750A CA 994750 A CA994750 A CA 994750A CA 179089 A CA179089 A CA 179089A CA 994750 A CA994750 A CA 994750A
Authority
CA
Canada
Prior art keywords
wells
boring holes
drilling bits
drilling
bits
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
CA179,089A
Other languages
English (en)
Other versions
CA179089S (en
Inventor
Robert Lazayres
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.)
Entreprise de Recherches et dActivites Petrolieres SA
Original Assignee
Entreprise de Recherches et dActivites Petrolieres 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 Entreprise de Recherches et dActivites Petrolieres SA filed Critical Entreprise de Recherches et dActivites Petrolieres SA
Application granted granted Critical
Publication of CA994750A publication Critical patent/CA994750A/en
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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • 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
    • E21B10/083—Roller bits with longitudinal axis, e.g. wobbling or nutating roller bit
    • 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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type

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)
  • Soil Working Implements (AREA)
CA179,089A 1972-08-18 1973-08-17 Drilling bits for boring holes and wells Expired CA994750A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7229537A FR2196428B1 (fr) 1972-08-18 1972-08-18

Publications (1)

Publication Number Publication Date
CA994750A true CA994750A (en) 1976-08-10

Family

ID=9103303

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,089A Expired CA994750A (en) 1972-08-18 1973-08-17 Drilling bits for boring holes and wells

Country Status (7)

Country Link
US (1) US3861477A (fr)
CA (1) CA994750A (fr)
DE (1) DE2341796C3 (fr)
FR (1) FR2196428B1 (fr)
GB (1) GB1430603A (fr)
IT (1) IT994619B (fr)
NL (1) NL7311343A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266621A (en) * 1977-06-22 1981-05-12 Christensen, Inc. Well casing window mill
EP0044817A3 (fr) * 1980-07-23 1982-08-25 René Treyvaud Trépan pour sondage
JPS58501240A (ja) * 1981-08-07 1983-07-28 クレデイスク　インタ−ナシヨナル　ベスロ−テン　ベノ−トスハツプ 掘削装置
JPS59192193A (ja) * 1983-04-14 1984-10-31 株式会社イセキ開発工機 シールド掘進装置
TR22640A (tr) * 1984-05-22 1988-01-29 Iseki Kaihatsu Koki Tuenel acmada kullanilmak uezere bir siperin sueruelmesine mahsus usul ve cihaz
JPH0718316B2 (ja) * 1988-06-22 1995-03-01 株式会社イセキ開発工機 穿孔方法および装置
SE470177B (sv) * 1992-03-23 1993-11-29 Radi Medical Systems Anordning för håltagning i hård vävnad och punktionsnål
US5402856A (en) * 1993-12-21 1995-04-04 Amoco Corporation Anti-whirl underreamer
WO2003091531A1 (fr) * 2002-04-23 2003-11-06 Kingdream Public Ltd. Co. Trepan a molettes avec broche de controle decalee par rapport a l'axe central de celui-ci
GB2415209B (en) * 2004-06-18 2008-12-24 Statoil Asa Rotary drilling apparatus
CN104499944B (zh) * 2014-11-26 2017-09-22 西安泾渭超硬材料有限公司 一种金刚石复合片扩孔器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511831A (en) * 1950-06-20 Drill bit
US1334632A (en) * 1917-06-15 1920-03-23 Rowland O Pickin Rotary rock-drill bit
US1906056A (en) * 1929-04-08 1933-04-25 George E Fentress Underreamer
US2667334A (en) * 1951-03-03 1954-01-26 Standard Oil Dev Co Full hole diamond bit
US2619325A (en) * 1952-01-02 1952-11-25 Arutunoff Armais Core disintegrating drilling tool
US2877988A (en) * 1957-05-03 1959-03-17 American Coldset Corp Drill bit with driven auxiliary bit
US2911196A (en) * 1957-05-03 1959-11-03 American Coldset Corp Diamond drill bit
FR1280063A (fr) * 1960-11-17 1961-12-29 Europ De Turboforage Soc Trépan à molettes
GB963670A (en) * 1962-03-01 1964-07-15 Skanska Cementgjuteriet Ab Improvements in or relating to deep drills
US3424258A (en) * 1966-11-16 1969-01-28 Japan Petroleum Dev Corp Rotary bit for use in rotary drilling
US3429390A (en) * 1967-05-19 1969-02-25 Supercussion Drills Inc Earth-drilling bits

Also Published As

Publication number Publication date
DE2341796C3 (de) 1975-04-17
DE2341796B2 (de) 1974-08-22
GB1430603A (en) 1976-03-31
FR2196428B1 (fr) 1974-10-25
US3861477A (en) 1975-01-21
NL7311343A (fr) 1974-02-20
FR2196428A1 (fr) 1974-03-15
DE2341796A1 (de) 1974-03-07
IT994619B (it) 1975-10-20

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