(19)
(11)
EP 1 969 441 A2
(12)
(88)
Date of publication A3:
11.10.2007
(43)
Date of publication:
17.09.2008
Bulletin 2008/38
(21)
Application number:
06831495.4
(22)
Date of filing:
29.12.2006
(51)
International Patent Classification (IPC):
G05D
11/13
(2006.01)
(86)
International application number:
PCT/GB2006/004944
(87)
International publication number:
WO 2007/077428
(
12.07.2007
Gazette 2007/28)
(84)
Designated Contracting States:
DE DK FR GB IT NL
(30)
Priority:
30.12.2005
US 323322
30.12.2005
US 323324
(71)
Applicant:
HALLIBURTON ENERGY SERVICES, INC.
Duncan, Oklahoma 73533 (US)
(72)
Inventors:
DYKSTRA, Jason, D.
Duncan, OK 73533 (US)
BORGSTADT, Justin, A.
Duncan, OK 73533 (US)
(74)
Representative:
Curtis, Philip Anthony
A A Thornton & Co Chemical 235 High Holborn
London WC1V 7LE
London WC1V 7LE (GB)
(54)
SYSTEMS AND METHODS FOR VOLUMETRICALLY CONTROLLING A MIXING APPARATUS