DE69103007D1 - DOUBLE CORE TUBE FOR DEFLECTED HOLES. - Google Patents

DOUBLE CORE TUBE FOR DEFLECTED HOLES.

Info

Publication number
DE69103007D1
DE69103007D1 DE69103007T DE69103007T DE69103007D1 DE 69103007 D1 DE69103007 D1 DE 69103007D1 DE 69103007 T DE69103007 T DE 69103007T DE 69103007 T DE69103007 T DE 69103007T DE 69103007 D1 DE69103007 D1 DE 69103007D1
Authority
DE
Germany
Prior art keywords
core tube
double core
deflected
holes
deflected holes
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 - Fee Related
Application number
DE69103007T
Other languages
German (de)
Other versions
DE69103007T2 (en
Inventor
Staffan Paues
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.)
Diamant Boart Stratabit SA
Original Assignee
Diamant Boart Stratabit 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 Diamant Boart Stratabit SA filed Critical Diamant Boart Stratabit SA
Publication of DE69103007D1 publication Critical patent/DE69103007D1/en
Application granted granted Critical
Publication of DE69103007T2 publication Critical patent/DE69103007T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
    • E21B25/10—Formed core retaining or severing 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
DE69103007T 1990-05-31 1991-05-30 DOUBLE CORE TUBE FOR DEFLECTED HOLES. Expired - Fee Related DE69103007T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9000560A BE1004330A3 (en) 1990-05-31 1990-05-31 Dual core drilling devie.
PCT/BE1991/000032 WO1991019075A2 (en) 1990-05-31 1991-05-30 Double-tube core drill for inclined drilling

Publications (2)

Publication Number Publication Date
DE69103007D1 true DE69103007D1 (en) 1994-08-25
DE69103007T2 DE69103007T2 (en) 1995-03-09

Family

ID=3884811

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69103007T Expired - Fee Related DE69103007T2 (en) 1990-05-31 1991-05-30 DOUBLE CORE TUBE FOR DEFLECTED HOLES.

Country Status (6)

Country Link
EP (1) EP0531336B1 (en)
BE (1) BE1004330A3 (en)
CA (1) CA2083827A1 (en)
DE (1) DE69103007T2 (en)
RU (1) RU2086749C1 (en)
WO (1) WO1991019075A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230390A (en) * 1992-03-06 1993-07-27 Baker Hughes Incorporated Self-contained closure mechanism for a core barrel inner tube assembly
BE1011502A3 (en) 1997-10-17 1999-10-05 Dresser Ind Core.
US8708066B2 (en) 2007-08-30 2014-04-29 Schlumberger Technology Corporation Dual BHA drilling system
RU2482274C2 (en) * 2008-10-31 2013-05-20 Шлюмбергер Текнолоджи Б.В. Integrated system of core drilling
RU2515647C1 (en) * 2012-11-08 2014-05-20 Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук Method of well configuring
WO2017023369A1 (en) 2015-07-31 2017-02-09 Halliburton Energy Services, Inc. Coring inner barrel connections for core of rock protection
CN107762436A (en) * 2017-11-17 2018-03-06 中交第航务工程勘察设计院有限公司 Novel double-tube core barrel
CN109025875A (en) * 2018-08-13 2018-12-18 中国地质科学院勘探技术研究所 A kind of built-in steel-ball type hydraulic differential mechanism
CN111894502B (en) * 2020-07-28 2023-03-10 四川大学 Method for coring tunnel with gas as fluid medium
CN114482873B (en) * 2022-02-23 2022-09-23 临沂金正阳管业有限公司 Seamless steel pipe for precision core drill rod

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1565430A (en) * 1922-04-10 1925-12-15 Frank A Edson Drill
US2128914A (en) * 1936-02-04 1938-09-06 Cameron Iron Works Inc Core barrel mounting
US2490512A (en) * 1946-03-12 1949-12-06 Carroll L Deely Core barrel
US2555580A (en) * 1947-11-14 1951-06-05 Carroll L Deely Core barrel
US2791398A (en) * 1955-01-17 1957-05-07 Exxon Research Engineering Co Core signalling device
US2789790A (en) * 1956-06-13 1957-04-23 Ii John H Kirby Core drilling apparatus
FR1474299A (en) * 1966-03-22 1967-03-24 Huber Corp J M Core drill bit
US3605920A (en) * 1969-12-30 1971-09-20 Texaco Inc Core drilling apparatus with means to indicate amount of core in barrel
US3986555A (en) * 1975-04-10 1976-10-19 Dresser Industries, Inc. Apparatus for providing a packaged core
BE844368A (en) * 1976-07-20 1976-11-16 CABLE TYPE CORE TANKER
DE2919007C2 (en) * 1979-05-11 1982-07-22 Christensen, Inc., 84115 Salt Lake City, Utah Core drilling equipment for rock boreholes
SE425420B (en) * 1980-10-10 1982-09-27 Craelius Ab DEVICE FOR NUCLEAR DRILLING INDICATING DOWN THE NUCLEAR PIPE
US4638872A (en) * 1985-04-01 1987-01-27 Diamond Oil Well Drilling Company Core monitoring device
EP0248615A3 (en) * 1986-06-04 1988-11-30 Diamond Products Limited Oreco Improvements in drilling apparatus
BE1000474A3 (en) * 1987-04-14 1988-12-20 Diamant Boart Sa Device for sealing a core mounted in a survey of equipment.

Also Published As

Publication number Publication date
BE1004330A3 (en) 1992-11-03
WO1991019075A3 (en) 1992-01-09
EP0531336A1 (en) 1993-03-17
WO1991019075A2 (en) 1991-12-12
RU2086749C1 (en) 1997-08-10
EP0531336B1 (en) 1994-07-20
CA2083827A1 (en) 1991-12-01
DE69103007T2 (en) 1995-03-09

Similar Documents

Publication Publication Date Title
DE69102982T2 (en) Endotracheal tube.
DE69104932T2 (en) Hollow block for a retaining wall.
FI913919A (en) TIDOMRAODESFILTRERING FOER NMR FASGRUPPAVBILDNING.
FI905162A0 (en) FOERFARANDE OCH ANORDNING FOER ATT HYDRAULISKT STARTA EN FRIKOLVSMOTOR.
DE69104215T2 (en) Probe.
DE69109268T2 (en) COMPOSED TRACHEAL TUBE.
FI910134A (en) STRUCTURE FOER ATT STOEDA ETT PAPPERSBAND.
FI915849A0 (en) AVSLUTNINGSANORDNING FOER OPTISK FIBER.
DE59003707D1 (en) Bait for houseflies.
DE69009402D1 (en) One-tank arrangement for X-ray tube.
FI915621A0 (en) BELAEGGNINGSKOMPOSITION FOER FIBER.
DE69103007D1 (en) DOUBLE CORE TUBE FOR DEFLECTED HOLES.
DE59104463D1 (en) Rotatable chuck for glass tubes.
FI840611A (en) DIAGNOSTIC AEMNE, FOERFARANDE FOER FRAMSTAELLNING DAERAV OCH ANVAENDNING DAERAV I DIAGNOSTISKA METODER.
DE69008856T2 (en) CHANNEL STRUCTURE FOR PIPES.
DE59105649D1 (en) Tester.
FI906176A (en) AOTERANVAENDBART MEKANISKT KONTAKTDON FOER OPTISKA FIBER.
DE69109015D1 (en) Connection unit for hollow wall.
FR2659309B1 (en) TEXTILE COIL TUBE.
DE59009023D1 (en) Bobbin.
DE59106798D1 (en) Carriers for cultivators.
DE69101774D1 (en) Indicator.
FI911681A (en) HYDROXYLAMIN FOERENINGAR.
FI902956A0 (en) STEGLOEST REGLERBAR ANORDNING AVSEDD TILL FORMSTOMME FOER CYLINDRISKA FORMER.
IT9018003U1 (en) SELF-LOCKING - A. R. B.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee