EP0298663A3 - Outil de coupe pour fond de puits - Google Patents

Outil de coupe pour fond de puits Download PDF

Info

Publication number: EP0298663A3
Authority: EP; European Patent Office
Prior art keywords: arm; cutting tool; extended position; downhole cutting; upper body
Prior art date: 1987-07-08
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP88305962A

Other languages

German (de)

English (en)

Other versions

EP0298663A2 (fr

Inventor

Thomas Doig

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.)

Tri State Oil Tool UK Ltd

Original Assignee

Tri State Oil Tool UK Ltd

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.)

1987-07-08

Filing date

1988-06-29

Publication date

1990-01-03

1988-06-29 Application filed by Tri State Oil Tool UK Ltd filed Critical Tri State Oil Tool UK Ltd

1989-01-11 Publication of EP0298663A2 publication Critical patent/EP0298663A2/fr

1990-01-03 Publication of EP0298663A3 publication Critical patent/EP0298663A3/fr

Status Withdrawn legal-status Critical Current

Links

238000005553 drilling Methods 0.000 abstract 1
230000013011 mating Effects 0.000 abstract 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
- E21B37/04—Scrapers specially adapted therefor operated by fluid pressure, e.g. free-piston scrapers

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Mechanical Engineering (AREA)
Earth Drilling (AREA)

EP88305962A 1987-07-08 1988-06-29 Outil de coupe pour fond de puits Withdrawn EP0298663A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB878716040A GB8716040D0 (en)	1987-07-08	1987-07-08	Underreamer for descaling
GB8716040		1987-07-08

Publications (2)

Publication Number	Publication Date
EP0298663A2 EP0298663A2 (fr)	1989-01-11
EP0298663A3 true EP0298663A3 (fr)	1990-01-03

Family

ID=10620289

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88305962A Withdrawn EP0298663A3 (fr)	1987-07-08	1988-06-29	Outil de coupe pour fond de puits

Country Status (3)

Country	Link
EP (1)	EP0298663A3 (fr)
GB (1)	GB8716040D0 (fr)
NO (1)	NO883016L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5735359A (en) *	1996-06-10	1998-04-07	Weatherford/Lamb, Inc.	Wellbore cutting tool
NO310311B1 (no) *	1999-06-24	2001-06-18	Thor Bjoernstad	Underrömmer
AU2001240792A1 (en) *	2000-03-10	2001-09-17	Nortech Systems Limited	Clean out tool
CA2940729C (fr)	2014-03-11	2022-03-15	Qinterra Technologies As	Outil permettant un nettoyage interne d'une colonne de production ou d'un tubage
CN104653154B (zh) *	2015-02-25	2017-06-13	中国石油天然气股份有限公司	通井刮削一体化工具
CN110500062B (zh) *	2018-05-17	2021-11-02	中国石油天然气股份有限公司	一种旋转定径规

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2756968A (en) *	1954-04-12	1956-07-31	Grant Oil Tool Company	Expansible well scraper
US2823901A (en) *	1955-11-07	1958-02-18	Kammerer Jr Archer W	Expansible rotary drilling tools
US3196960A (en) *	1963-03-19	1965-07-27	Lamphere Jean K	Fluid pressure expansible drill bits
US4565252A (en) *	1984-03-08	1986-01-21	Lor, Inc.	Borehole operating tool with fluid circulation through arms

1987
- 1987-07-08 GB GB878716040A patent/GB8716040D0/en active Pending
1988
- 1988-06-29 EP EP88305962A patent/EP0298663A3/fr not_active Withdrawn
- 1988-07-06 NO NO88883016A patent/NO883016L/no unknown

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2756968A (en) *	1954-04-12	1956-07-31	Grant Oil Tool Company	Expansible well scraper
US2823901A (en) *	1955-11-07	1958-02-18	Kammerer Jr Archer W	Expansible rotary drilling tools
US3196960A (en) *	1963-03-19	1965-07-27	Lamphere Jean K	Fluid pressure expansible drill bits
US4565252A (en) *	1984-03-08	1986-01-21	Lor, Inc.	Borehole operating tool with fluid circulation through arms

Also Published As

Publication number	Publication date
NO883016L (no)	1989-01-09
NO883016D0 (no)	1988-07-06
EP0298663A2 (fr)	1989-01-11
GB8716040D0 (en)	1987-08-12

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Legal Events

Date	Code	Title	Description
1988-11-26	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1989-01-11	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE
1989-03-29	RBV	Designated contracting states (corrected)	Designated state(s): DE FR GB IT
1989-11-15	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-01-03	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1990-08-29	17P	Request for examination filed	Effective date: 19900703
1990-11-28	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: TRI-STATE OIL TOOL (UK), A DIVISION OF BAKER HUGHE
1991-10-30	17Q	First examination report despatched	Effective date: 19910917
1992-08-10	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1992-09-30	18D	Application deemed to be withdrawn	Effective date: 19920328