METHODS OF CEMENTING IN SUBTERRANEAN ZONES PENETRATED BY WELL BORES USING BIODEGRADABLE DISPERSANTS

Details for Australian Patent Application No. 2003304123 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

Inventors BRENNEIS, Chad, D.; CROMWELL, Roger, S.; CHATTERJI, Jiten

Pub. Number AU-A-2003304123

PCT Number PCT/GB2003/0051

PCT Pub. Number WO2004/101953

Priority 10/439,491 16.05.03 US

Filing date 25 November 2003

Wipo publication date 3 December 2004

International Classifications

E21B 033/13 Sealing or packing boreholes or wells - Methods or devices for cementing, for plugging holes, crevices, or the like

E21B 033/138 Sealing or packing boreholes or wells - Plastering the borehole wall

C04B 024/14 Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers

C04B 024/16 Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers

Event Publications

6 January 2005 Complete Application Filed

  Priority application(s): 10/439,491 16.05.03 US

13 January 2005 Application Open to Public Inspection

  Published as AU-A-2003304123

2 February 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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