Method of determining CEC and other properties from multi-frequency dielectric measurements
Techniques involve inverting a dielectric dispersion model based on the geometrical and
electrochemical effects that affect dielectric dispersion in fluid-saturated rocks and other …
electrochemical effects that affect dielectric dispersion in fluid-saturated rocks and other …
Coherent interpretation of wideband electromagnetic measurements in the millihertz to gigahertz frequency range
Electromagnetic (EM) formation evaluation currently relies on low-frequency resistivity and
high-frequency dielectric measurements that are typically not interpreted jointly. In …
high-frequency dielectric measurements that are typically not interpreted jointly. In …
Monitoring hydrocarbon reservoirs using induced polarization effect
AF Marsala, MS Zhdanov, V Burtman - US Patent 9,983,328, 2018 - Google Patents
Some examples of monitoring hydrocarbon reservoirs using induced polarization effect
includes inducing polarization in a subterranean zone using an induced polarization fluid …
includes inducing polarization in a subterranean zone using an induced polarization fluid …
Monitoring hydrocarbon reservoirs using induced polarization effect
AF Marsala, MS Zhdanov, V Burtman - US Patent 10,267,943, 2019 - Google Patents
Some examples of monitoring hydrocarbon reservoirs using induced polarization effect
includes inducing polarization in a subterranean zone using an induced polarization fluid …
includes inducing polarization in a subterranean zone using an induced polarization fluid …
Evaluation of formation utilizing wideband electromagnetic measurements
Methods and systems are provided for investigating a rock sample, in which wideband
electromagnetic response data are obtained and processed by inversion in order to …
electromagnetic response data are obtained and processed by inversion in order to …
Determining formation wettability from dielectric measurements
N Seleznev, TM Habashy - US Patent 9,291,050, 2016 - Google Patents
Formation wettability is quantifiably estimated from measurements of dielectric constant and
conductivity. In particular, wettability state of formation rock in a subterranean environment is …
conductivity. In particular, wettability state of formation rock in a subterranean environment is …
Well detection using induced magnetic fields
PF Williams - US Patent 9,529,111, 2016 - Google Patents
A well detection system includes a signal generator module and a detector module. Signal
generator module is coupled to a well structure, and causes the well structure to emit a …
generator module is coupled to a well structure, and causes the well structure to emit a …
Monitoring hydrocarbon reservoirs using induced polarization effect
AF Marsala, MS Zhdanov, V Burtman - US Patent 10,156,654, 2018 - Google Patents
Some examples of monitoring hydrocarbon reservoirs using induced polarization effect
includes inducing polarization in a subterranean zone using an induced polarization fluid …
includes inducing polarization in a subterranean zone using an induced polarization fluid …
Method of determining subterranean formation parameters
M Badri, P Ligneul, JM Donadille - US Patent 8,538,700, 2013 - Google Patents
A method for assigning a wettability or related parameter to a subvolume of formation
located between two or more boreholes is described. The method includes the steps of …
located between two or more boreholes is described. The method includes the steps of …
Real-time inversion of array dielectric downhole measurements with advanced search for initial values to eliminate non-uniqueness
Y Zhang, A Mezzatesta - US Patent 10,732,315, 2020 - Google Patents
Methods and apparatus for evaluating a volume of an earth formation carried out using
complex dielectric measurements. Methods include making measurements of complex …
complex dielectric measurements. Methods include making measurements of complex …