Inventor · disambiguated record
William S. Halliday
Also filed as: HALLIDAY WILLIAM S
13 granted patents·2 pending applications·573 citations·filing 1985–2013
94Inventor score
Top patents by PatentIndex Score
15 records- 0193US6790812B2Acid soluble, high fluid loss pill for lost circulationBAKER HUGHES INC·Filed 2001·Granted Sep 14, 2004·129 cites·94 claims
- 0291US6635604B1Low molecular weight water soluble organic compounds as crystallization point suppressants in brinesBAKER HUGHES INC·Filed 2000·Granted Oct 21, 2003·59 cites·81 claims
- 0390US7271131B2Fluid loss control and sealing agent for drilling depleted sand formationsBAKER HUGHES INC·Filed 2003·Granted Sep 18, 2007·61 cites·12 claims
- 0481US5605879AOlefin isomers as lubricants, rate of penetration enhancers, and spotting fluid additives for water-based drilling fluidsBAKER HUGHES INC·Filed 1995·Granted Feb 25, 1997·46 cites·26 claims
- 0581US4664818ADrilling mud additiveNEWPARK DRILLING FLUID INC·Filed 1985·Granted May 12, 1987·58 cites·2 claims
- 0680US5851958AOlefins and lubricants, rate of penetration enhancers, and spotting fluid additives for water-based drilling fluidsFiled 1997·Granted Dec 22, 1998·45 cites·30 claims
- 0778US6080704AGlycols as gas hydrate inhibitors in drilling, drill-in, and completion fluidsFiled 1997·Granted Jun 27, 2000·52 cites·23 claims
- 0872US5837655APurified paraffins as lubricants, rate of penetration enhancers, and spotting fluid additives for water-based drilling fluidsFiled 1996·Granted Nov 17, 1998·62 cites·25 claims
- 0968US6165945ABlends of glycol derivatives as gas hydrate inhibitors in water base drilling, drill-in, and completion fluidsBAKER HUGHES INC·Filed 1998·Granted Dec 26, 2000·27 cites·7 claims
- 1067US7393813B2Water-based drilling fluids using latex additivesBAKER HUGHES INC·Filed 2003·Granted Jul 1, 2008·8 cites·20 claims
- 1161US7087555B2Drilling fluids comprising sized graphite particlesBAKER HUGHES INC·Filed 2004·Granted Aug 8, 2006·8 cites·20 claims
- 1251US5671810AComposition and method for relief of differential sticking during drillingBAKER HUGHES INC·Filed 1995·Granted Sep 30, 1997·18 cites·11 claims
- 1348US7977281B2Methods for minimizing the amount of graphite particles used during drilling operationsBAKER HUGHES INC·Filed 2009·Granted Jul 12, 2011·0 cites·12 claims
- 1441US2014158360A1Drag reducing agents for oil- and synthetic-based fluidsBAKER HUGHES INC·Filed 2013·Application pending·0 cites
- 1539US2006122070A1Drilling fluid systems comprising sized graphite particlesBAKER HUGHES INC·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →