Downhole removal of particulates from produced fluids

(19)

(11)

EP 1 431 512 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	16.03.2005 Bulletin 2005/11

(43)	Date of publication A2:
	23.06.2004 Bulletin 2004/26

(21)	Application number: 03257827.0

(22)	Date of filing: 12.12.2003

(51)	International Patent Classification (IPC)⁷: E21B 43/10, E21B 43/08, E21B 43/02

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

(30)

Priority:

17.12.2002 US 322319

(71)	Applicant: Halliburton Energy Services, Inc.
	Duncan, Oklahoma 73533 (US)

(72)	Inventors:
	Nguyen, Philip D. Duncan, Oklahoma 73533 (US) Barton, Johnny A. Marlow, Oklahoma 73055 (US)

(74)	Representative: Wain, Christopher Paul et al
	A.A. Thornton & Co. 235 High Holborn London WC1V 7LE London WC1V 7LE (GB)

(54)	Downhole removal of particulates from produced fluids

(57) Particulate matter is removed from produced fluids downhole by providing a solid permeable composition (25) downhole through which the fluids are passed. Expandable well screens (28) may also be used in association with the composition (25).

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