Inventor
DONALDSON R ASHLEY
US7 patents
Patents
7 patentsUS6543545B1Apr 8, 2003
Expandable sand control device and specialized completion system and method
HALLIBURTON ENERGY SERV INC319 citations98
US7048048B2May 23, 2006
Expandable sand control screen and method for use of same
HALLIBURTON ENERGY SERV INC95 citations97
US6766862B2Jul 27, 2004
Expandable sand control device and specialized completion system and method
HALLIBURTON ENERGY SERV INC84 citations97
US7108083B2Sep 19, 2006
Apparatus and method for completing an interval of a wellbore while drilling
HALLIBURTON ENERGY SERV INC108 citations95
US7222672B2May 29, 2007
Wellbore fluids containing additives for removing a filter cake and methods of using the same
HALLIBURTON ENERGY SERV INC22 citations92
US6562764B1May 13, 2003
Invert well service fluid and method
HALLIBURTON ENERGY SERV INC43 citations88
US7939474B2May 10, 2011
Wellbore fluids containing additives for removing a filter cake and methods of using the same
HALLIBURTON ENERGY SERV INC6 citations73