Inventor
ONAN DAVID D
US41 patents
⚠️ This page may combine multiple inventors who share the name “ONAN DAVID D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERV INC
24 patentsUS6098711AAug 8, 2000
Compositions and methods for sealing pipe in well bores
HALLIBURTON ENERGY SERV INC205 citations99
US6059035AMay 9, 2000
Subterranean zone sealing methods and compositions
HALLIBURTON ENERGY SERV INC143 citations99
US6012524AJan 11, 2000
Remedial well bore sealing methods and compositions
HALLIBURTON ENERGY SERV INC188 citations99
US6006835ADec 28, 1999
Methods for sealing subterranean zones using foamed resin
HALLIBURTON ENERGY SERV INC114 citations99
US5969006AOct 19, 1999
Remedial well bore sealing methods
HALLIBURTON ENERGY SERV INC136 citations99
US5957204ASep 28, 1999
Method of sealing conduits in lateral well bores
HALLIBURTON ENERGY SERV INC102 citations99
US5945387AAug 31, 1999
Polymeric well completion and remedial compositions and methods
HALLIBURTON ENERGY SERV INC190 citations99
US5911282AJun 15, 1999
Well drilling fluids containing epoxy sealants and methods
HALLIBURTON ENERGY SERV INC154 citations99
US5897699AApr 27, 1999
Foamed well cement compositions, additives and methods
HALLIBURTON ENERGY SERV INC340 citations99
US5875846AMar 2, 1999
Methods of modifying subterranean strata properties
HALLIBURTON ENERGY SERV INC144 citations99
US5875844AMar 2, 1999
Methods of sealing pipe strings in well bores
HALLIBURTON ENERGY SERV INC239 citations99
US5875845AMar 2, 1999
Methods and compositions for sealing pipe strings in well bores
HALLIBURTON ENERGY SERV INC219 citations99
US5873413AFeb 23, 1999
Methods of modifying subterranean strata properties
HALLIBURTON ENERGY SERV INC204 citations99
US5820670AOct 13, 1998
Resilient well cement compositions and methods
HALLIBURTON ENERGY SERV INC235 citations99
US5779787AJul 14, 1998
Well cement compositions containing rubber particles and methods of cementing subterranean zones
HALLIBURTON ENERGY SERV INC165 citations99
US6279652B1Aug 28, 2001
Heat insulation compositions and methods
HALLIBURTON ENERGY SERV INC122 citations98
US6068055AMay 30, 2000
Well sealing compositions and methods
HALLIBURTON ENERGY SERV INC99 citations98
US6069117AMay 30, 2000
Foamed resin compositions for sealing subterranean zones
HALLIBURTON ENERGY SERV INC87 citations98
US6059036AMay 9, 2000
Methods and compositions for sealing subterranean zones
HALLIBURTON ENERGY SERV INC140 citations98
US6055874AMay 2, 2000
Apparatus and method for simulating well bore conditions
HALLIBURTON ENERGY SERV INC91 citations98
US6006836ADec 28, 1999
Methods of sealing plugs in well bores
HALLIBURTON ENERGY SERV INC102 citations98
US6231664B1May 15, 2001
Well sealing compositions and methods
HALLIBURTON ENERGY SERV INC75 citations96
US5968879AOct 19, 1999
Polymeric well completion and remedial compositions and methods
HALLIBURTON ENERGY SERV INC42 citations93
US5869750AFeb 9, 1999
Method, system and device for testing two-phase compressible compositions having gas under pressure
HALLIBURTON ENERGY SERV INC77 citations93
HALLIBURTON CO
17 patentsUS5795924AAug 18, 1998
Resilient well cement compositions and methods
HALLIBURTON CO142 citations99
US5688844ANov 18, 1997
Resilient well cement compositions and methods
HALLIBURTON CO239 citations99
US5327968AJul 12, 1994
Utilizing drilling fluid in well cementing operations
HALLIBURTON CO150 citations99
US5295543AMar 22, 1994
Converting drilling fluids to cementitious compositions
HALLIBURTON CO165 citations99
US5711383AJan 27, 1998
Cementitious well drilling fluids and methods
HALLIBURTON CO225 citations98
US5501277AMar 26, 1996
Combating lost circulation during the drilling of wells
HALLIBURTON CO123 citations98
US5398758AMar 21, 1995
Utilizing drilling fluid in well cementing operations
HALLIBURTON CO151 citations98
US5383521AJan 24, 1995
Fly ash cementing compositions and methods
HALLIBURTON CO222 citations98
US5293938AMar 15, 1994
Well completion and remedial methods utilizing cement-ladened rubber
HALLIBURTON CO201 citations98
US5159980ANov 3, 1992
Well completion and remedial methods utilizing rubber latex compositions
HALLIBURTON CO178 citations98
US5791380AAug 11, 1998
Methods of forming insulated pipeline bundles
HALLIBURTON CO57 citations96
US5738463AApr 14, 1998
Elastomeric grouting of subsurface conduits
HALLIBURTON CO58 citations96
US5696059ADec 9, 1997
Methods of preventing well cement stress failure
HALLIBURTON CO105 citations96
US5355954AOct 18, 1994
Utilizing drilling fluid in well cementing operations
HALLIBURTON CO77 citations96
US5332041AJul 26, 1994
Set-activated cementitious compositions and methods
HALLIBURTON CO43 citations92
US5483986AJan 16, 1996
Method of displacing liquids through pipes
HALLIBURTON CO29 citations89
US5346011ASep 13, 1994
Methods of displacing liquids through pipes
HALLIBURTON CO37 citations89