NO870917D0 - Skjoeteanordning for boreroer. - Google Patents

Skjoeteanordning for boreroer.

Info

Publication number: NO870917D0
Authority: NO; Norway
Prior art keywords: rolling equipment; rolling; equipment
Prior art date: 1986-03-10

Application number

NO870917A

Other languages

English (en)

Other versions

NO870917L (no

Inventor

Herve Righi

Georges Obrecht

Original Assignee

Alsthom 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.)

1986-03-10

Filing date

1987-03-05

Publication date

1987-03-05

1987-03-05 Application filed by Alsthom Sa filed Critical Alsthom Sa

1987-03-05 Publication of NO870917D0 publication Critical patent/NO870917D0/no

1987-09-11 Publication of NO870917L publication Critical patent/NO870917L/no

Links

238000005096 rolling process Methods 0.000 title 1

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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/06—Releasing-joints, e.g. safety joints
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S285/00—Pipe joints or couplings
- Y10S285/922—Safety and quick release for drill pipes

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)

NO870917A 1986-03-10 1987-03-05 Skjteanordning for borerr. NO870917L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8603377A FR2595404B1 (fr)	1986-03-10	1986-03-10	Raccord pour forage

Publications (2)

Publication Number	Publication Date
NO870917D0 true NO870917D0 (no)	1987-03-05
NO870917L NO870917L (no)	1987-09-11

Family

ID=9332950

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO870917A NO870917L (no)	1986-03-10	1987-03-05	Skjteanordning for borerr.

Country Status (6)

Country	Link
US (1)	US4728124A (no)
EP (1)	EP0236915A1 (no)
JP (1)	JPS62220690A (no)
BR (1)	BR8701085A (no)
FR (1)	FR2595404B1 (no)
NO (1)	NO870917L (no)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS63268895A (ja) *	1987-04-08	1988-11-07	インコ、リミテッド	ドリル刃と衝撃ハンマ、および刃保持リング
US5141014A (en) *	1991-05-28	1992-08-25	M. Carder Industries, Inc.	Breakaway coupling
US5158142A (en) *	1991-06-27	1992-10-27	Schlumberger Technology Corporation	Apparatus for releasing a pipe string from an object stuck downhole by continuously applying tension to said apparatus
GB2317629B (en)	1996-09-27	2001-03-28	Red Baron	Safety joint
EG21606A (en) *	1997-02-25	2001-12-31	Shell Int Research	Drill string tool
US6311790B1 (en)	2000-05-23	2001-11-06	The Charles Machines Works, Inc.	Removable boring head with tapered shank connector
GB0101014D0 (en) *	2001-01-15	2001-02-28	Neyrfor Weir Ltd	Improved downhole tool
GB2380746B (en) *	2001-10-09	2006-02-15	Smith International	Wellbore recovery operation
US20120306196A1 (en) *	2011-06-01	2012-12-06	Smith International, Inc.	Anti-back off device for down hole tools and drive systems
US9869138B2 (en) *	2014-08-20	2018-01-16	Schlumberger Technology Corporation	Methods and apparatus for releasably connecting a cable with a tool
CN112031670B (zh) *	2020-08-21	2022-01-28	中煤科工集团西安研究院有限公司	一种具有防掉钻功能的矿用钻杆
CN112227975B (zh) *	2020-09-29	2022-03-15	中煤科工集团西安研究院有限公司	一种仿动物筋-骨结构的双连接钻杆
CN113700441B (zh) *	2021-11-01	2021-12-31	中煤科工集团西安研究院有限公司	一种具有断裂自锁功能的矿用钻杆公接头及钻杆

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1839690A (en) *	1929-06-17	1932-01-05	Malinowski Chester	Twist-off safety coupling
US3387863A (en) *	1966-09-12	1968-06-11	Dresser Ind	Safety joint
US3499664A (en) *	1968-07-29	1970-03-10	Bruns Tool Co	Releasing collar
US3842914A (en) *	1973-05-14	1974-10-22	Hydril Co	Safety joint method and apparatus
US4139059A (en) *	1977-12-12	1979-02-13	W-K-M Wellhead Systems, Inc.	Well casing hanger assembly
US4459060A (en) *	1981-10-13	1984-07-10	Patterson Bert D	Safety shear tool for fiberglass sucker rod
US4473125A (en) *	1982-11-17	1984-09-25	Fansteel Inc.	Insert for drill bits and drill stabilizers
US4484633A (en) *	1983-04-11	1984-11-27	Halliburton Company	Safety joint

1986
- 1986-03-10 FR FR8603377A patent/FR2595404B1/fr not_active Expired
1987
- 1987-03-04 EP EP87103013A patent/EP0236915A1/fr not_active Ceased
- 1987-03-05 NO NO870917A patent/NO870917L/no unknown
- 1987-03-10 US US07/024,279 patent/US4728124A/en not_active Expired - Fee Related
- 1987-03-10 JP JP62055126A patent/JPS62220690A/ja active Pending
- 1987-03-10 BR BR8701085A patent/BR8701085A/pt unknown

Also Published As

Publication number	Publication date
FR2595404B1 (fr)	1988-07-08
US4728124A (en)	1988-03-01
NO870917L (no)	1987-09-11
EP0236915A1 (fr)	1987-09-16
FR2595404A1 (fr)	1987-09-11
JPS62220690A (ja)	1987-09-28
BR8701085A (pt)	1987-12-29

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