Porosity measurement of shale core plugs without chemical cleaning

JH Chen, S Althaus, M Boudjatit - … Technology Conference, 26–28 …, 2021 - library.seg.org
Organic-rich shale samples extracted from the subsurface always contain some liquid, such
as water or hydrocarbon. In order to obtain accurate porosity measurements, the samples …

Maxwell parallel imaging

JF Villena, S Lefkimmiatis, A Polymeridis… - US Patent …, 2021 - Google Patents
A computer that determines coefficients in a representation of coil sensitivities and MR
information associated with a sample is described. During operation, the computer may …

Sparse representation of measurements

G Wang, MA Francavilla, T Witzel… - US Patent 11,614,508, 2023 - Google Patents
9,103,896 B2 8/20 15 Gross 9, 192322 B2 11/2015 Guo JP 2 () 13 () 2 Q4QQ 2/2 ()|| 3
9,513.359 B2 12/2016 Koch VV () W ()-2 ()| 4 () 47326 3/20) 14 9,514, 169 B2 12/2016 …

Model parameter determination using a predictive model

JH Kaditz, JF Villena, A Polymeridis - US Patent 11,748,642, 2023 - Google Patents
A system may measure, using a measurement device, a response associated with a sample
to an excitation. Then, the system may compute, using the measured response and the …

Determining geologic properties of a rock sample

SM Althaus, JH Chen, JD Broyles… - US Patent 12,117,407, 2024 - Google Patents
Techniques for determining a geologic property of a rock sample include (i) measuring a
mass of a processed rock sample that includes a solid matrix and a fluid entrained within the …

Method and system for determining gamma-ray measurements using a sensitivity map and controlled sampling motion

JH Chen, SM Althaus, H Zhang - US Patent 11,933,935, 2024 - Google Patents
A method may include obtaining, using a gamma-ray detector, first acquired gamma-ray
data regarding a first core sample. The first acquired gamma-ray data may correspond to …

Determination of estimated maximum recoverable (EMR) hydrocarbons in unconventional reservoirs

JH Chen, SM Althaus, H Zhang, LIU Hui-Hai… - US Patent …, 2023 - Google Patents
A method for determining maximum recoverable hydrocarbon (EMR) in a tight reservoir is
disclosed. The method includes determining, based on downhole logs, a total measure of …

Systems and methods for determining grain density of an untreated rock sample using a gas porosimeter and nuclear magnetic resonance

SM Althaus, JH Chen, M Boudjatit - US Patent 11,598,736, 2023 - Google Patents
Techniques for determining grain density of a rock sample include identifying an untreated
rock sample that includes a solid matrix and a fluid entrained within the solid matrix; …

Tensor field mapping with magnetostatic constraint

D Tayli, S Lefkimmiatis, A Polymeridis - US Patent 12,007,455, 2024 - Google Patents
A system may measure a response associated with a sample to an excitation. The system
may compute, using the measured response and the excitation as inputs to an inverse …

High pressure core chamber and experimental vessel

MC Krueger, SA Kelly, GE Michael… - US Patent …, 2024 - Google Patents
A high pressure core chamber for use in collecting pressurized core samples from a
reservoir is equipped with at least two high pressure access valves, allowing the core …