Non aqueous gel for wellbore strenghthening

Details for Australian Patent Application No. 2007257777 (hide)

Owner M-I LLC

Inventors Ballard, David Antony

Agent Pizzeys

Pub. Number AU-B-2007257777

PCT Pub. Number WO2007/146865

Priority 60/804,349 09.06.06 US; 11/760,524 08.06.07 US

Filing date 11 June 2007

Wipo publication date 21 December 2007

Acceptance publication date 3 February 2011

International Classifications

C09K 8/502 (2006.01) Compositions for drilling of boreholes or wells

C07D 207/452 (2006.01) Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom

C08F 26/02 (2006.01) Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen

C09K 3/00 (2006.01) Materials not provided for elsewhere

C09K 8/512 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

8 January 2009 PCT application entered the National Phase

  PCT publication WO2007/146865 Priority application(s): WO2007/146865

3 February 2011 Application Accepted

  Published as AU-B-2007257777

2 June 2011 Standard Patent Sealed

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