Owner Clearwater International, L.L.C.

Inventors Gatlin, Larry W.; Turk, Steve; Curr, Jack; Smith, Kevin

Agent Fraser Old & Sohn

Pub. Number AU-B-2005201874

Priority 10/839,734 05.05.04 US

Filing date 4 May 2005

Wipo publication date 24 November 2005

Acceptance publication date 18 March 2010

E21B 21/14 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

B01F 17/00 (2006.01) Use of substances as emulsifying, wetting, dispersing, or foam-producing agents

C02F 1/52 (2006.01) Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

C07C 43/13 (2006.01) Ethers

C07C 53/06 (2006.01) Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen

C07C 53/10 (2006.01) Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen

C07C 57/03 (2006.01) Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms

C07C 57/12 (2006.01) Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms

C07C 309/20 (2006.01) Sulfonic acids

C09K 8/38 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/532 (2006.01) Compositions for drilling of boreholes or wells

C11D 17/00 (2006.01) Detergent materials or soaps characterised by their shape or physical properties

E21B 21/01 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor