Owner Halliburton Energy Services, Inc.

Inventors McMechan, David Eugene; Heath, Stanley J.; Walters, Harold G.; Saini, Rajesh K.; Sandres, Michael W.; Pauls, Richard W.; Bryant, Jason E.; Mundy, Jeffrey L.; Burns, Bobby J.; Welton, Thomas D.; Munoz Jr., Trinidad; Parkinson, Christina A.; Harris, Phillip C.; Beach, Sean R.

Agent Callinan

Pub. Number AU-A-2008288334

PCT Pub. Number WO2009/022106

Priority 11/891,511 10.08.07 US

Filing date 8 August 2008

Wipo publication date 19 February 2009

C09K 8/08 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/40 (2006.01) Compositions for drilling of boreholes or wells - Spacer compositions, e.g. compositions used to separate well-drilling from cementing masses

C09K 8/52 (2006.01) Compositions for drilling of boreholes or wells - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning

C09K 8/588 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/60 (2006.01) Compositions for drilling of boreholes or wells - Compositions for stimulating production by acting on the underground formation

C09K 8/68 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/72 (2006.01) Compositions for drilling of boreholes or wells