RC

Roger S. Cromwell

HS Halliburton Energy Services: 86 patents #45 of 4,711Top 1%
HA Halliburton: 3 patents #227 of 857Top 30%
HS Halliburton Energy Serives: 1 patents #5 of 40Top 15%
📍 Walters, OK: #1 of 8 inventorsTop 15%
🗺 Oklahoma: #35 of 12,736 inventorsTop 1%
Overall (All Time): #18,066 of 4,157,543Top 1%
90
Patents All Time

Issued Patents All Time

Showing 76–90 of 90 patents

Patent #TitleCo-InventorsDate
6006836 Methods of sealing plugs in well bores Jiten Chatterji, David D. Onan, Patty L. Onan, Bobby J. King 1999-12-28
6006835 Methods for sealing subterranean zones using foamed resin David D. Onan, Jiten Chatterji 1999-12-28
5969006 Remedial well bore sealing methods David D. Onan, Jiten Chatterji, Bobby J. King, Patty L. Onan 1999-10-19
5968879 Polymeric well completion and remedial compositions and methods David D. Onan, Jiten Chatterji 1999-10-19
5957204 Method of sealing conduits in lateral well bores Jiten Chatterji, David D. Onan, Bobby J. King 1999-09-28
5945387 Polymeric well completion and remedial compositions and methods Jiten Chatterji, David D. Onan 1999-08-31
5911282 Well drilling fluids containing epoxy sealants and methods David D. Onan, Jiten Chatterji, Bobby J. King, Patty L. Onan 1999-06-15
5897699 Foamed well cement compositions, additives and methods Jiten Chatterji, David D. Onan, Bobby J. King 1999-04-27
5875846 Methods of modifying subterranean strata properties Jiten Chatterji, David D. Onan, Patty L. Onan, Bobby J. King 1999-03-02
5875845 Methods and compositions for sealing pipe strings in well bores Jiten Chatterji, David D. Onan 1999-03-02
5875844 Methods of sealing pipe strings in well bores Jiten Chatterji, David D. Onan, Bobby J. King, Patty L. Onan 1999-03-02
5873413 Methods of modifying subterranean strata properties Jiten Chatterji, David D. Onan, Bobby J. King, Patty L. Onan 1999-02-23
5389706 Well cement compositions having improved properties and methods James F. Heathman 1995-02-14
5293938 Well completion and remedial methods utilizing cement-ladened rubber David D. Onan, Garland W. Davis, Wendell D. Riley 1994-03-15
5159980 Well completion and remedial methods utilizing rubber latex compositions David D. Onan, Garland W. Davis 1992-11-03