Inventor
GRAY DENNIS W
US32 patents
⚠️ This page may combine multiple inventors who share the name “GRAY DENNIS W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERV INC
31 patentsUS6554071B1Apr 29, 2003
Encapsulated chemicals for use in controlled time release applications and methods
HALLIBURTON ENERGY SERV INC400 citations99
US6527051B1Mar 4, 2003
Encapsulated chemicals for use in controlled time release applications and methods
HALLIBURTON ENERGY SERV INC508 citations99
US6444316B1Sep 3, 2002
Encapsulated chemicals for use in controlled time release applications and methods
HALLIBURTON ENERGY SERV INC237 citations99
US6367549B1Apr 9, 2002
Methods and ultra-low density sealing compositions for sealing pipe in well bores
HALLIBURTON ENERGY SERV INC153 citations99
US6209646B1Apr 3, 2001
Controlling the release of chemical additives in well treating fluids
HALLIBURTON ENERGY SERV INC464 citations99
US6797054B2Sep 28, 2004
Foamed well cement slurries, additives and methods
HALLIBURTON ENERGY SERV INC114 citations98
US6767867B2Jul 27, 2004
Methods of treating subterranean zones penetrated by well bores
HALLIBURTON ENERGY SERV INC131 citations98
US6547871B2Apr 15, 2003
Foamed well cement slurries, additives and methods
HALLIBURTON ENERGY SERV INC323 citations98
US6367550B1Apr 9, 2002
Foamed well cement slurries, additives and methods
HALLIBURTON ENERGY SERV INC313 citations98
US6055874AMay 2, 2000
Apparatus and method for simulating well bore conditions
HALLIBURTON ENERGY SERV INC91 citations98
US7285166B2Oct 23, 2007
Zeolite-containing cement composition
HALLIBURTON ENERGY SERV INC59 citations97
US6964302B2Nov 15, 2005
Zeolite-containing cement composition
HALLIBURTON ENERGY SERV INC76 citations97
US6227294B1May 8, 2001
Methods of cementing subterranean zones
HALLIBURTON ENERGY SERV INC142 citations97
US5972103AOct 26, 1999
Universal well cement additives and methods
HALLIBURTON ENERGY SERV INC114 citations97
US5968255AOct 19, 1999
Universal well cement additives and methods
HALLIBURTON ENERGY SERV INC120 citations97
US7244303B2Jul 17, 2007
Set retarder compositions, cement compositions, and associated methods
HALLIBURTON ENERGY SERV INC58 citations96
US7004256B1Feb 28, 2006
Set retarder compositions, cement compositions, and associated methods
HALLIBURTON ENERGY SERV INC54 citations96
US7128142B2Oct 31, 2006
Apparatus and methods for improved fluid displacement in subterranean formations
HALLIBURTON ENERGY SERV INC59 citations95
US6478868B1Nov 12, 2002
Early-enhanced strength cement compositions and methods
HALLIBURTON ENERGY SERV INC65 citations94
US6019835AFeb 1, 2000
Cement compositions and biodegradable dispersants therefor
HALLIBURTON ENERGY SERV INC77 citations94
US7143827B2Dec 5, 2006
Well completion spacer fluids containing fibers and methods
HALLIBURTON ENERGY SERV INC37 citations93
US7013975B2Mar 21, 2006
Foamed cement slurries, additives and methods
HALLIBURTON ENERGY SERV INC30 citations93
US7008477B2Mar 7, 2006
Foamed cement slurries, additives and methods
HALLIBURTON ENERGY SERV INC18 citations92
US6978835B1Dec 27, 2005
Methods of cementing in subterranean formations
HALLIBURTON ENERGY SERV INC43 citations92
US6951249B1Oct 4, 2005
Foamed cement slurries, additives and methods
HALLIBURTON ENERGY SERV INC30 citations92
US6843846B2Jan 18, 2005
Methods and compositions for cementing subterranean zones
HALLIBURTON ENERGY SERV INC31 citations92
US6591910B1Jul 15, 2003
Methods and compositions for cementing subterranean zones
HALLIBURTON ENERGY SERV INC37 citations92
US7255170B2Aug 14, 2007
Foamed cement compositions, additives, and associated methods
HALLIBURTON ENERGY SERV INC11 citations84
US7296927B2Nov 20, 2007
Laboratory apparatus and method for evaluating cement performance for a wellbore
HALLIBURTON ENERGY SERV INC14 citations83
US7128149B2Oct 31, 2006
Apparatus and methods for improved fluid displacement in subterranean formations
HALLIBURTON ENERGY SERV INC16 citations83
US6829922B2Dec 14, 2004
Evaluating foamed cement under pressure and temperature
HALLIBURTON ENERGY SERV INC15 citations81