CA1178944A - Rallonge pour outil de foration - Google Patents

Rallonge pour outil de foration

Info

Publication number
CA1178944A
CA1178944A CA000400710A CA400710A CA1178944A CA 1178944 A CA1178944 A CA 1178944A CA 000400710 A CA000400710 A CA 000400710A CA 400710 A CA400710 A CA 400710A CA 1178944 A CA1178944 A CA 1178944A
Authority
CA
Canada
Prior art keywords
coupling
sleeve
rod
coupling rod
screw
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
CA000400710A
Other languages
English (en)
Inventor
Gosta C. Gustafsson
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.)
Fagersta AB
Original Assignee
Fagersta AB
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 Fagersta AB filed Critical Fagersta AB
Application granted granted Critical
Publication of CA1178944A publication Critical patent/CA1178944A/fr
Expired 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
CA000400710A 1981-04-24 1982-04-08 Rallonge pour outil de foration Expired CA1178944A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8102626A SE426089B (sv) 1981-04-24 1981-04-24 Skarvforband vid bergborrutrustning
SE81.02626-2 1981-04-24

Publications (1)

Publication Number Publication Date
CA1178944A true CA1178944A (fr) 1984-12-04

Family

ID=20343676

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000400710A Expired CA1178944A (fr) 1981-04-24 1982-04-08 Rallonge pour outil de foration

Country Status (9)

Country Link
EP (1) EP0077336B1 (fr)
AU (1) AU547091B2 (fr)
CA (1) CA1178944A (fr)
DE (1) DE3264233D1 (fr)
FI (1) FI77303C (fr)
IE (1) IE52613B1 (fr)
SE (1) SE426089B (fr)
WO (1) WO1982003653A1 (fr)
ZA (1) ZA822203B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553171B1 (fr) * 1983-10-03 1988-04-08 Dril Quip Inc Appareil et procede pour raccorder notamment des elements cylindriques tels que des tubes
SE8600199L (sv) * 1986-01-17 1987-07-18 Loevab Loef Och Oestlund Ab Borrverktyg
US5622820A (en) * 1988-03-10 1997-04-22 City Of Hope Method for amplification and detection of RNA and DNA sequences
SE522221C2 (sv) 2001-10-12 2004-01-27 Sandvik Ab Gängförband för slående bergborrning
JP4954542B2 (ja) 2005-12-09 2012-06-20 三菱マテリアル株式会社 掘削ロッド、掘削ビット及び掘削工具
KR20090018055A (ko) * 2006-05-17 2009-02-19 산드빅 인터렉츄얼 프로퍼티 에이비 탑 해머식 착암공구, 드릴봉 및 커플링 슬리브

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2122757A (en) * 1935-07-05 1938-07-05 Hughes Tool Co Drill stem coupling
SE401232B (sv) * 1970-05-04 1978-04-24 Sandvik Ab Gengad forbindning for slagborrstenger

Also Published As

Publication number Publication date
SE8102626L (sv) 1982-10-25
FI77303C (fi) 1989-02-10
IE52613B1 (en) 1987-12-23
FI824324L (fi) 1982-12-16
DE3264233D1 (en) 1985-08-01
AU8275682A (en) 1982-11-04
AU547091B2 (en) 1985-10-03
IE820955L (en) 1982-10-24
FI77303B (fi) 1988-10-31
WO1982003653A1 (fr) 1982-10-28
EP0077336B1 (fr) 1985-06-19
FI824324A0 (fi) 1982-12-16
EP0077336A1 (fr) 1983-04-27
SE426089B (sv) 1982-12-06
ZA822203B (en) 1983-02-23

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry