Inventor · disambiguated record
Don Siems
Also filed as: SIEMS DON · SIEMS DON R
10 granted patents·439 citations·filing 1985–2007
93Inventor score
Technology areasC09K
Top patents by PatentIndex Score
10 records- 0197US7645723B2Method of drilling using invert emulsion drilling fluidsHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Jan 12, 2010·63 cites·60 claims
- 0296US7462580B2Flat rheology drilling fluidsHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Dec 9, 2008·45 cites·74 claims
- 0395US7534743B2Invert drilling fluids and methods of drilling boreholesHALLIBURTON ENERGY SERV INC·Filed 2006·Granted May 19, 2009·32 cites·57 claims
- 0495US7488704B2Invert drilling fluids for use in drilling in subterranean formationsHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Feb 10, 2009·34 cites·52 claims
- 0594US7696131B2Diesel oil-based invert emulsion drilling fluids and methods of drilling boreholesHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Apr 13, 2010·67 cites·24 claims
- 0694US7547663B2Invert drilling fluids and methods of drilling boreholesHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Jun 16, 2009·28 cites·67 claims
- 0794US6887832B2Method of formulating and using a drilling mud with fragile gelsHALLIBURTON ENERGY SERVICE S I·Filed 2002·Granted May 3, 2005·86 cites·150 claims
- 0890US7278485B2Method of formulating and using a drilling mud with fragile gelsHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Oct 9, 2007·44 cites·40 claims
- 0987US7456135B2Methods of drilling using flat rheology drilling fluidsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Nov 25, 2008·27 cites·324 claims
- 1046US4615740ALiquid polymer containing compositions for thickening aqueous mediumsNL INDUSTRIES INC·Filed 1985·Granted Oct 7, 1986·13 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →