IN-SITU DETECTION AND ANALYSIS OF COAL BED METHANE FORMATIONS WITH OPTICAL INSTRUMENTS AND METHODS AND APPARATUS TO FACILITATE METHANE PRODUCTION AND ANALYSIS - Patent 1558914

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EP 1 558 914 A2

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(88)	Date of publication A3:
	21.05.2004

(43)	Date of publication:
	03.08.2005 Bulletin 2005/31

(21)	Application number: 03742220.1

(22)	Date of filing: 26.06.2003

(51)	International Patent Classification (IPC)⁷: G01N 21/00

(86)	International application number:
	PCT/US2003/020116

(87)	International publication number:
	WO 2004/003506 (08.01.2004 Gazette 2004/02)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

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Priority:

26.06.2002 US 391430 P

(71)	Applicant: Well-Dog, Inc.
	Laramie, WY 82072 (US)

(72)	Inventors:
	POPE, John, M. Laramie, WY 82072 (US) COX, Rick, L. Laramie, WY 82070 (US) VAN LIEU, Neil, R. Fort Collins, CO 80525 (US) BUTTRY, Daniel, A. Laramie, WY 82070 (US)

(74)	Representative: KUHNEN & WACKER
	Patent- und RechtsanwaltsbüroPrinz-Ludwig-Strasse 40A 85354 Freising 85354 Freising (DE)

(54)	IN-SITU DETECTION AND ANALYSIS OF COAL BED METHANE FORMATIONS WITH OPTICAL INSTRUMENTS AND METHODS AND APPARATUS TO FACILITATE METHANE PRODUCTION AND ANALYSIS