BE795272A - Boorinrichting - Google Patents

Boorinrichting

Info

Publication number
BE795272A
BE795272A BE795272DA BE795272A BE 795272 A BE795272 A BE 795272A BE 795272D A BE795272D A BE 795272DA BE 795272 A BE795272 A BE 795272A
Authority
BE
Belgium
Prior art keywords
boorinrichting
Prior art date
Application number
Other languages
English (en)
Original Assignee
Stork Conrad Bv
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.)
Publication date
Publication of BE795272A publication Critical patent/BE795272A/fr

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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/18—Pipes provided with plural fluid passages
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
BE795272D 1972-05-16 Boorinrichting BE795272A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7206595A NL7206595A (fr) 1972-05-16 1972-05-16

Publications (1)

Publication Number Publication Date
BE795272A true BE795272A (fr) 1973-08-09

Family

ID=19816050

Family Applications (1)

Application Number Title Priority Date Filing Date
BE795272D BE795272A (fr) 1972-05-16 Boorinrichting

Country Status (4)

Country Link
US (1) US3830319A (fr)
BE (1) BE795272A (fr)
DE (1) DE2306462B2 (fr)
NL (1) NL7206595A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871486A (en) * 1973-08-29 1975-03-18 Bakerdrill Inc Continuous coring system and apparatus
US5713423A (en) * 1992-07-24 1998-02-03 The Charles Machine Works, Inc. Drill pipe
AT410356B (de) * 2000-05-17 2003-04-25 Voest Alpine Bergtechnik Einrichtung zum abdichten eines bohrloches und zum ausbringen von bohrklein bzw. gelöstem abbaumaterial
ES2295436T3 (es) * 2001-07-23 2008-04-16 Ruhrpumpen Gmbh Dispositivo de accionamiento para una barra de perforacion.
US7134514B2 (en) * 2003-11-13 2006-11-14 American Augers, Inc. Dual wall drill string assembly
NL1035635C2 (nl) * 2008-06-26 2009-12-29 Conrad Trading B V Inrichting voor het roterend boren van een buis in een onder water gelegen bodem.
CN103382817B (zh) * 2013-07-26 2016-01-20 中国矿业大学 一种煤矿底板锚固防堵钻杆
CN103410450A (zh) * 2013-08-13 2013-11-27 镇江安达煤矿专用设备有限公司 双管式钻杆
RU2544688C2 (ru) * 2014-03-28 2015-03-20 Олег Сергеевич Николаев Стыковочный узел многоканальных трубопроводов
WO2016011368A1 (fr) 2014-07-18 2016-01-21 Bly Ip Inc. Tige de forage présentant des parties faisant saillie vers l'intérieur

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657016A (en) * 1950-01-20 1953-10-27 Donovan B Grable Fluid circulation head for drill strings
US3208539A (en) * 1958-09-17 1965-09-28 Walker Neer Mfg Co Apparatus for drilling wells
US3077358A (en) * 1958-09-18 1963-02-12 Modiano Dr Ing Well-drilling pipe
US3096103A (en) * 1959-10-13 1963-07-02 Armco Steel Corp Dual passage rotary swivel
US3078931A (en) * 1960-12-08 1963-02-26 David G Moore Free corer
US3155179A (en) * 1961-08-04 1964-11-03 Kennecott Copper Corp Dual-tube drill string for sample drilling
US3338322A (en) * 1965-02-16 1967-08-29 Homer I Henderson Earth boring drill
US3473617A (en) * 1968-03-20 1969-10-21 Wayland D Elenburg Method and apparatus for drilling and coring
US3664441A (en) * 1970-06-01 1972-05-23 Carey Machine And Supply Co Concentric pipe drill string

Also Published As

Publication number Publication date
US3830319A (en) 1974-08-20
DE2365455A1 (de) 1975-01-30
DE2306462B2 (de) 1975-03-20
NL7206595A (fr) 1973-11-20
DE2306462A1 (de) 1974-01-10
DE2365455B2 (de) 1976-01-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CONRAD-STORK B.V.

Effective date: 19840209