METHOD AND SYSTEM FOR INCREASING OIL PRODUCTION FROM AN OIL WELL PRODUCING A MIXTURE OF OIL AND GAS - Patent 1171687

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EP 1 171 687 A1

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(43)	Date of publication:
	16.01.2002 Bulletin 2002/03

(21)	Application number: 99918136.5

(22)	Date of filing: 22.04.1999

(51)	International Patent Classification (IPC)⁷: E21B 43/40, E21B 43/38

(86)	International application number:
	PCT/GB9901/224

(87)	International publication number:
	WO 0065/197 (02.11.2000 Gazette 2000/44)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(71)	Applicant: ATLANTIC RICHFIELD COMPANY
	Plano, TX 75075 (US)

(72)	Inventors:
	BRADY, Jerry, L. Anchorage, AK 99516 (US) STEVENSON, Mark, D. Anchorage, AK 99518 (US) KLEIN, John, M. Anchorage, AK 99516 (US) CAWVEY, James, L. Anchorage, AK 99516 (US) HEARN, David, D. Anchorage, AK 99515 (US)

(74)	Representative: Ebner von Eschenbach, Jennifer et al
	Ladas & Parry, Dachauerstrasse 37 80335 München 80335 München (DE)

(54)	METHOD AND SYSTEM FOR INCREASING OIL PRODUCTION FROM AN OIL WELL PRODUCING A MIXTURE OF OIL AND GAS