VALVE MODULE, SPECIALLY FOR UNDERSEA PETROLEUM WELLS - Patent 0232335

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EP 0 232 335 A1

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(43)	Date of publication:
	19.08.1987 Bulletin 1987/34

(21)	Application number: 86904753.0

(22)	Date of filing: 24.07.1986

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International Patent Classification (IPC):

E21B 34/ 04^{( . )}

(86)	International application number:
	PCT/BR1986/000012

(87)	International publication number:
	WO 1987/001159 (26.02.1987 Gazette 1987/05)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU

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Priority:

12.08.1985 BR 19650001116

(71)	Applicant: CBV INDUSTRIA MECANICA S.A.
	Rio de Janeiro, RJ (BR)

(72)	Inventors:
	MARTINS SOBRINHO, José, Aciel Rio de Janeiro, RJ (BR) BELLA PINTO, Mario, Ruben Meier, Rio de Janeiro, RJ (BR) MELLO FACHETTI, Nelito de Santa Tereza, Rio de Janeiro, RJ (BR)

(54)	VALVE MODULE, SPECIALLY FOR UNDERSEA PETROLEUM WELLS