NL7311343A - - Google Patents

Info

Publication number
NL7311343A
NL7311343A NL7311343A NL7311343A NL7311343A NL 7311343 A NL7311343 A NL 7311343A NL 7311343 A NL7311343 A NL 7311343A NL 7311343 A NL7311343 A NL 7311343A NL 7311343 A NL7311343 A NL 7311343A
Authority
NL
Netherlands
Application number
NL7311343A
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 filed Critical
Publication of NL7311343A publication Critical patent/NL7311343A/xx

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)
NL7311343A 1972-08-18 1973-08-17 NL7311343A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7311343A true NL7311343A (enrdf_load_stackoverflow) 1974-02-20

Family

ID=9103303

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7311343A NL7311343A (enrdf_load_stackoverflow) 1972-08-18 1973-08-17

Country Status (7)

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

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
DE3271141D1 (en) * 1981-08-07 1986-06-19 Cledisc Int Bv Drilling device
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
US7299887B2 (en) * 2002-04-23 2007-11-27 Kingdream Public Ltd. Co. Roller bit with a journal pin offset from the central axis thereof
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
US2911196A (en) * 1957-05-03 1959-11-03 American Coldset Corp Diamond drill bit
US2877988A (en) * 1957-05-03 1959-03-17 American Coldset Corp Drill bit with driven auxiliary 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
DE2341796A1 (de) 1974-03-07
DE2341796B2 (de) 1974-08-22
GB1430603A (en) 1976-03-31
IT994619B (it) 1975-10-20
CA994750A (en) 1976-08-10
FR2196428A1 (enrdf_load_stackoverflow) 1974-03-15
FR2196428B1 (enrdf_load_stackoverflow) 1974-10-25
US3861477A (en) 1975-01-21

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Legal Events

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