AU5115800A - An underreamer and a method of using the underreamer - Google Patents

An underreamer and a method of using the underreamer

Info

Publication number: AU5115800A
Authority: AU; Australia
Prior art keywords: underreamer
Prior art date: 1999-06-24
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.): Abandoned

Application number

AU51158/00A

Other languages

English (en)

Inventor

Thor Bjornstad

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.)

Individual

Original Assignee

Individual

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.)

1999-06-24

Filing date

2000-06-16

Publication date

2001-01-31

2000-06-16 Application filed by Individual filed Critical Individual

2001-01-31 Publication of AU5115800A publication Critical patent/AU5115800A/en

Status Abandoned legal-status Critical Current

Links

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
- 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
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

Engineering & Computer Science (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (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)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Glass Compositions (AREA)
Earth Drilling (AREA)

AU51158/00A 1999-06-24 2000-06-16 An underreamer and a method of using the underreamer Abandoned AU5115800A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
NO19993137A NO310311B1 (no)	1999-06-24	1999-06-24	Underrömmer
NO19993137		1999-06-24
PCT/NO2000/000209 WO2001000961A1 (en)	1999-06-24	2000-06-16	An underreamer and a method of using the underreamer

Publications (1)

Publication Number	Publication Date
AU5115800A true AU5115800A (en)	2001-01-31

Family

ID=19903497

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU51158/00A Abandoned AU5115800A (en)	1999-06-24	2000-06-16	An underreamer and a method of using the underreamer

Country Status (3)

Country	Link
AU (1)	AU5115800A (no)
NO (1)	NO310311B1 (no)
WO (1)	WO2001000961A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10053567B4 (de) *	2000-10-27	2004-05-06	Tracto-Technik Gmbh	Bohrwerkzeug und Vorrichtung zum Erzeugen einer Umfangsbohrung
US6439323B1 (en) *	2000-11-30	2002-08-27	Westerngeco L.L.C.	Seismic shothole reaming module
WO2008156520A1 (en)	2007-06-13	2008-12-24	Exxonmobil Upstream Research Company	Methods and apparatus for controlling cutting ribbons during a drilling operation
EP2770157A1 (de) *	2013-02-26	2014-08-27	Bauer Spezialtiefbau GmbH	Bohrwerkzeug und Verfahren zum Erdbohren
GB201816969D0 (en) *	2018-10-18	2018-12-05	Lee Paul Bernard	Downhole reamer apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1062841A (en) *	1912-09-06	1913-05-27	Charles C Mitchel	Reamer.
US1720950A (en) *	1927-12-22	1929-07-16	Grant John	Underreamer
US4339008A (en) *	1980-06-09	1982-07-13	D. B. D. Drilling, Inc.	Well notching tool
GB8716040D0 (en) *	1987-07-08	1987-08-12	Tri State Oil Tool Uk	Underreamer for descaling

1999
- 1999-06-24 NO NO19993137A patent/NO310311B1/no not_active IP Right Cessation
2000
- 2000-06-16 WO PCT/NO2000/000209 patent/WO2001000961A1/en active Application Filing
- 2000-06-16 AU AU51158/00A patent/AU5115800A/en not_active Abandoned

Also Published As

Publication number	Publication date
NO310311B1 (no)	2001-06-18
NO993137L (no)	2000-12-27
NO993137D0 (no)	1999-06-24
WO2001000961A1 (en)	2001-01-04

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Legal Events

Date	Code	Title	Description
2002-04-18	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase