GS

George Leo Stegemeier

Shell Oil Compny: 104 patents #6 of 4,423Top 1%
University Of Texas System: 10 patents #205 of 6,559Top 4%
📍 Houston, TX: #42 of 21,073 inventorsTop 1%
🗺 Texas: #337 of 125,132 inventorsTop 1%
Overall (All Time): #10,731 of 4,157,543Top 1%
116
Patents All Time

Issued Patents All Time

Showing 26–50 of 116 patents

Patent #TitleCo-InventorsDate
7036583 In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation Eric Pierre de Rouffignac, Harold J. Vinegar, Scott Lee Wellington, Ilya Emil Berchenko, Etuan Zhang +3 more 2006-05-02
7032660 In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation Harold J. Vinegar, Dannie Antoine Aymond, Jr., Kevin Albert Maher, Billy John McKinzie, II, Bruce Donald Palfreyman +3 more 2006-04-25
7017661 Production of synthesis gas from a coal formation Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas, Ilya Emil Berchenko +5 more 2006-03-28
7004251 In situ thermal processing and remediation of an oil shale formation John Ward, Eric Pierre de Rouffignac, Ajay Madhav Madgavkar, Kevin Albert Maher, Bruce Donald Palfreyman +3 more 2006-02-28
7004678 Soil remediation with heated soil Harold J. Vinegar, Ralph S. Baker, John M Bierschenk 2006-02-28
6997255 In situ thermal processing of a hydrocarbon containing formation in a reducing environment Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, IIya Emil Berchenko, Etuan Zhang +3 more 2006-02-14
6994169 In situ thermal processing of an oil shale formation with a selected property Etuan Zhang, Ilya Emil Berchenko, Eric Pierre de Rouffignac, Thomas David Fowler, Kevin Albert Maher +4 more 2006-02-07
6994161 In situ thermal processing of a coal formation with a selected moisture content Kevin Albert Maher, Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas +4 more 2006-02-07
6994168 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, Kevin Albert Maher +4 more 2006-02-07
6994160 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, Etuan Zhang +3 more 2006-02-07
6991031 In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas, Ilya Emil Berchenko +4 more 2006-01-31
6991033 In situ thermal processing while controlling pressure in an oil shale formation Scott Lee Wellington, Ilya Emil Berchenko, Eric Pierre de Rouffignac, Thomas David Fowler, Robert Charles Ryan +3 more 2006-01-31
6991032 In situ thermal processing of an oil shale formation using a pattern of heat sources Ilya Emil Berchenko, Eric Pierre de Rouffignac, Thomas David Fowler, John Michael Karanikas, Robert Charles Ryan +4 more 2006-01-31
6981553 Controlled downhole chemical injection Harold J. Vinegar, Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl, Jr., John Michele Hirsch 2006-01-03
6973967 Situ thermal processing of a coal formation using pressure and/or temperature control Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, Ilya Emil Berchenko, Etuan Zhang +2 more 2005-12-13
6966372 In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, Etuan Zhang +3 more 2005-11-22
6962466 Soil remediation of mercury contamination Harold J. Vinegar 2005-11-08
6959761 In situ thermal processing of a coal formation with a selected ratio of heat sources to production wells Ilya Emil Berchenko, Harold J. Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas +3 more 2005-11-01
6953087 Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation Eric Pierre de Rouffignac, Harold J. Vinegar, Scott Lee Wellington, Ilya Emil Berchenko, Etuan Zhang +3 more 2005-10-11
6951436 Thermally enhanced soil decontamination method Harold J. Vinegar, Eric Pierre de Rouffignac 2005-10-04
6948563 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, Kevin Albert Maher +4 more 2005-09-27
6923257 In situ thermal processing of an oil shale formation to produce a condensate Scott Lee Wellington, Ilya Emil Berchenko, Eric Pierre de Rouffignac, Thomas David Fowler, John Michael Karanikas +4 more 2005-08-02
6923258 In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content Scott Lee Wellington, Harold J. Vinegar, Eric Pierre de Rouffignac, Ilya Emil Berchenko, Etuan Zhang +3 more 2005-08-02
6918442 In situ thermal processing of an oil shale formation in a reducing environment Scott Lee Wellington, Ilya Emil Berchenko, Eric Pierre de Rouffignac, Thomas David Fowler, Robert Charles Ryan +3 more 2005-07-19
6918443 In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range Scott Lee Wellington, Ilya Emil Berchenko, Eric Pierre de Rouffignac, Thomas David Fowler, Robert Charles Ryan +3 more 2005-07-19