(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