Inventor
WELLINGTON SCOTT L
US23 patents
Patents
23 patentsUS5409071AApr 25, 1995
Method to cement a wellbore
SHELL OIL CO318 citations99
US4827761AMay 9, 1989
Sample holder
SHELL OIL CO334 citations99
US4663711AMay 5, 1987
Method of analyzing fluid saturation using computerized axial tomography
SHELL OIL CO297 citations99
US4635197AJan 6, 1987
High resolution tomographic imaging method
SHELL OIL CO323 citations99
US4613754ASep 23, 1986
Tomographic calibration apparatus
SHELL OIL CO345 citations99
US4583242AApr 15, 1986
Apparatus for positioning a sample in a computerized axial tomographic scanner
SHELL OIL CO309 citations99
US4571491AFeb 18, 1986
Method of imaging the atomic number of a sample
SHELL OIL CO374 citations99
US4542648ASep 24, 1985
Method of correlating a core sample with its original position in a borehole
SHELL OIL CO324 citations99
US4540882ASep 10, 1985
Method of determining drilling fluid invasion
SHELL OIL CO324 citations99
US5411089AMay 2, 1995
Heat injection process
SHELL OIL CO327 citations97
US4884455ADec 5, 1989
Method for analysis of failure of material employing imaging
SHELL OIL CO301 citations97
US4856341AAug 15, 1989
Apparatus for analysis of failure of material
SHELL OIL CO310 citations97
US4380266AApr 19, 1983
Reservoir-tailored CO2 -aided oil recovery process
SHELL OIL CO67 citations96
US5031697AJul 16, 1991
Method for troubleshooting gas-lift wells
SHELL OIL CO47 citations95
US4972704ANov 27, 1990
Method for troubleshooting gas-lift wells
SHELL OIL CO48 citations95
US5311943AMay 17, 1994
Blends of propoxy and ethoxy surfactants
SHELL OIL CO21 citations92
US5212093AMay 18, 1993
Method to determine drift and residual oil saturation
SHELL OIL CO23 citations92
US4218327AAug 19, 1980
Stabilizing the viscosity of an aqueous solution of polysaccharide polymer
SHELL OIL CO40 citations92
US4502538AMar 5, 1985
Polyalkoxy sulfonate, CO2 and brine drive process for oil recovery
SHELL OIL CO53 citations89
US5063772ANov 12, 1991
Method for troubleshooting gas-lift wells
SHELL OIL CO20 citations81
US4782898ANov 8, 1988
Determining residual oil saturation using carbon 14 labeled carbon dioxide
SHELL OIL CO18 citations74
US4722394AFeb 2, 1988
Determining residual oil saturation by radioactively analyzing injected CO2 and base-generating tracer-providing solution
SHELL OIL CO13 citations74
US4119491AOct 10, 1978
Enzyme-filtration clarification of xanthan gum polymer solution
SHELL OIL CO20 citations74