AU3436000A - Method and apparatus for underground drilling - Google Patents

Method and apparatus for underground drilling

Info

Publication number: AU3436000A
Authority: AU; Australia
Prior art keywords: underground drilling; underground; drilling
Prior art date: 1999-03-16
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

AU34360/00A

Inventor

Risto Valisalo

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.)

RD Trenchless Ltd Oy

Original Assignee

RD Trenchless Ltd Oy

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.)

1999-03-16

Filing date

2000-03-16

Publication date

2000-10-04

2000-03-16 Application filed by RD Trenchless Ltd Oy filed Critical RD Trenchless Ltd Oy

2000-10-04 Publication of AU3436000A publication Critical patent/AU3436000A/en

Status Abandoned legal-status Critical Current

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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
- 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)
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)

AU34360/00A 1999-03-16 2000-03-16 Method and apparatus for underground drilling Abandoned AU3436000A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
FI990589		1999-03-16
FI990589A FI990589A7 (en)	1999-03-16	1999-03-16	Method and apparatus for underground drilling
PCT/FI2000/000212 WO2000055469A1 (en)	1999-03-16	2000-03-16	Method and apparatus for underground drilling

Publications (1)

Publication Number	Publication Date
AU3436000A true AU3436000A (en)	2000-10-04

Family

ID=8554213

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU34360/00A Abandoned AU3436000A (en)	1999-03-16	2000-03-16	Method and apparatus for underground drilling

Country Status (3)

Country	Link
AU (1)	AU3436000A (en)
FI (1)	FI990589A7 (en)
WO (1)	WO2000055469A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IES20050621A2 (en)	2005-09-20	2006-11-15	Minroc Techn Promotions Ltd	A percussion hammer for enlarging drilled holes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE759970A (en) *	1970-11-17	1971-06-07	Inst Gornogo Dela Sibirskogo O	PROCESS FOR ENLARGING HOLLOW THROUGH HOLES IN THE GROUND AND DEVICE FOR ITS IMPLEMENTATION
US3894402A (en) *	1974-07-19	1975-07-15	Martin D Cherrington	Apparatus and method for emplacing a conduit along an underground arcuate path
CH683016A5 (en) *	1990-12-24	1993-12-31	Terra Ag Tiefbautechnik	A method for expanding a wellbore and Expanding apparatus.
US5314267A (en) *	1992-08-27	1994-05-24	Mark Osadchuk	Horizontal pipeline boring apparatus and method
FI954309L (en) *	1995-09-14	1997-03-15	Rd Trenchless Ltd Oy	Drilling rig and drilling method

1999
- 1999-03-16 FI FI990589A patent/FI990589A7/en unknown
2000
- 2000-03-16 WO PCT/FI2000/000212 patent/WO2000055469A1/en not_active Ceased
- 2000-03-16 AU AU34360/00A patent/AU3436000A/en not_active Abandoned

Also Published As

Publication number	Publication date
FI990589L (en)	2000-09-17
WO2000055469A1 (en)	2000-09-21
FI990589A7 (en)	2000-09-17
FI990589A0 (en)	1999-03-16

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Legal Events

Date	Code	Title	Description
2002-02-28	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase