METHOD OF TREATING OIL-CONTAMINATED DRILL MUDS OR CUTTINGS PRIOR TO REUSE OR DISPOSAL

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EP 0 065 532 A1

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(43)	Date of publication:
	01.12.1982 Bulletin 1982/48

(21)	Application number: 81903108.0

(22)	Date of filing: 20.11.1981

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International Patent Classification (IPC):

B03B 9/ 02^{( . )}
E21B 41/ 00^{( . )}

(86)	International application number:
	PCT/GB1981/000252

(87)	International publication number:
	WO 1982/001737 (27.05.1982 Gazette 1982/14)

(84)	Designated Contracting States:
	DE FR GB NL SE

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Priority:

21.11.1980 GB 19800037377

(71)	Applicant: HARPSOUND LIMITED
	Buckinghamshire (GB)

(72)	Inventor:
	MOIR, James Alex Surrey (GB)

(54)	METHOD OF TREATING OIL-CONTAMINATED DRILL MUDS OR CUTTINGS PRIOR TO REUSE OR DISPOSAL