HYDROJET DRILLING MEANS AND METHOD

(19)

(11)

EP 0 119 268 A1

(12)

(43)	Date of publication:
	26.09.1984 Bulletin 1984/39

(21)	Application number: 83903272.0

(22)	Date of filing: 19.09.1983

(51)

International Patent Classification (IPC):

E21B 7/ 06^{( . )}
E21B 10/ 60^{( . )}
E21B 43/ 29^{( . )}

E21B 7/ 18^{( . )}
E21B 21/ 08^{( . )}
E21B 44/ 00^{( . )}

(86)	International application number:
	PCT/US1983/001450

(87)	International publication number:
	WO 1984/001188 (29.03.1984 Gazette 1984/09)

(84)	Designated Contracting States:
	CH DE FR GB LI SE

(30)

Priority:

20.09.1982 US 19820419779

(71)	Applicant: SIEGEL, Gilbert
	Garden Grove CA 92640 (US)

(72)	Inventor:
	SIEGEL, Gilbert Garden Grove CA 92640 (US)

(54)	HYDROJET DRILLING MEANS AND METHOD