METHOD AND APPARATUS FOR DISCONNECTING AND RETRIEVING MULTIPLE RISERS ATTACHED TO A FLOATING VESSEL - Patent 0941200

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EP 0 941 200 A1

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(43)	Date of publication:
	15.09.1999 Bulletin 1999/37

(21)	Application number: 97948358.0

(22)	Date of filing: 14.11.1997

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International Patent Classification (IPC):

B63B 21/ 50^{( . )}
B63B 22/ 04^{( . )}
E21B 17/ 01^{( . )}
E21B 43/ 01^{( . )}

B63B 22/ 02^{( . )}
B63B 27/ 34^{( . )}
E21B 19/ 00^{( . )}

(86)	International application number:
	PCT/US1997/021061

(87)	International publication number:
	WO 1998/024686 (11.06.1998 Gazette 1998/23)

(84)	Designated Contracting States:
	DK GB MC NL

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Priority:

08.12.1996 US 19960033668P

(71)	Applicant: FMC CORPORATION
	Chicago Illinois 60601 (US)

(72)	Inventors:
	BOATMAN, Terry, L. Houston, TX 77041 (US) KELM, Ron, L. Houston, TX 77055 (US) SALYER, Brent, A. Cypress, TX 77429 (US) McCOLLUM, Jerry, L. Hempstead, TX 77445 (US) ETHERIDGE, Charles, O. Spring, TX 77388 (US)

(74)	Representative: Hanna, Peter William Derek, et al
	Tomkins & Co., 5 Dartmouth Road Dublin 6 Dublin 6 (IE)

(54)	METHOD AND APPARATUS FOR DISCONNECTING AND RETRIEVING MULTIPLE RISERS ATTACHED TO A FLOATING VESSEL