Results 201 to 210 of about 9,505,035 (271)
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, 2021
Complex geochemical reactions can occur during the water and CO2 flooding for improved oil recovery, influencing the reservoir porosity and permeability, especially for low-permeability reservoirs.
G. Cui +5 more
semanticscholar +1 more source
Complex geochemical reactions can occur during the water and CO2 flooding for improved oil recovery, influencing the reservoir porosity and permeability, especially for low-permeability reservoirs.
G. Cui +5 more
semanticscholar +1 more source
NMR Relaxation and Petrophysical Properties
AIP Conference Proceedings, 2011NMR relaxation is routinely used in the field of geosciences to give basic petrophysical properties such as porosity, pore size distribution, saturation etc. In this tutorial, we focus on the pore size distribution deduced from NMR. We recall the basic principle used in the interpretation of the NMR signal and compare the results with other standard ...
Marc Fleury +4 more
openaire +2 more sources
Studying petrophysical properties of micritic limestones using machine learning methods
, 2021It is important in geophysical applications to relate the compressional and shear ultrasonic wave velocities of micritic limestone to its porosity, volume fraction and density of micrite grains as well as the effective confining pressure.
T. Nguyen‐Sy +5 more
semanticscholar +1 more source
Journal of Petroleum Science and Engineering, 2020
Studying the lower limits of petrophysical properties is important to evaluate the exploration and development potentials of tight oil reservoirs. At present, the evaluation criteria are based on a large number of cores and logging data, and rules are ...
Dingye Zheng +2 more
exaly +2 more sources
Studying the lower limits of petrophysical properties is important to evaluate the exploration and development potentials of tight oil reservoirs. At present, the evaluation criteria are based on a large number of cores and logging data, and rules are ...
Dingye Zheng +2 more
exaly +2 more sources
Acoustic and Petrophysical Properties of Sea-floor Bedrocks
Offshore Technology Conference, 1996Abstract There are few published velocity and attenuation data for sea floor bedrocks at appropriate confining pressures (1 MPa to 10 MPa). Velocities and attenuations measured at such low pressures are affectedmainly by open microcracks, However, as the pressure is increased and the microcracks are closed, the ...
Solomon Assefa, Jeremy Sothcott
openaire +1 more source
, 2020
Geological conditions on the eastern margin of the Ordos Basin are complex, and the amount of oil and gas exploration is low. In this paper, taking the S block in the eastern Ordos Basin as an example, we investigated the petrophysical properties ...
Shuai Yin, Li Dong, Xia Yang, Ruyue Wang
semanticscholar +1 more source
Geological conditions on the eastern margin of the Ordos Basin are complex, and the amount of oil and gas exploration is low. In this paper, taking the S block in the eastern Ordos Basin as an example, we investigated the petrophysical properties ...
Shuai Yin, Li Dong, Xia Yang, Ruyue Wang
semanticscholar +1 more source
Engineering Geology, 2017 International audienceLede stone is an important historical stone in Belgium, with many ceased and disappeared historical quarries. Owing to its geological nature, this stone exhibits considerable variation in petrophysical properties.
Tim De Kock +2 more
exaly +2 more sources
Petrophysical properties prediction from prestack seismic data using convolutional neural networks
, 2020We have built convolutional neural networks (CNNs) to obtain petrophysical properties in the depth domain from prestack seismic data in the time domain. We compare two workflows — end-to-end and cascaded CNNs.
Vishal Das, T. Mukerji
semanticscholar +1 more source
Determination of Petrophysical Properties by Stereological Techniques
Society of Petroleum Engineers Journal, 1977SPEJ Forum articles are limited to 1,500 words including 250 words for each table and figure, or. a maximum of two pages in SPEJ. A Forum article may present preliminary results or conclusions of an investigation that the author wishes to publish before completing a full study; it may impart general technical information that does not warrant ...
Candelario Perez-Rosales +1 more
openaire +1 more source
Journal of Geophysical Research: Solid Earth, 2020
Permeability and bound water saturation (Swb) are key parameters reflecting the petrophysical properties of porous rocks. Nuclear magnetic resonance (NMR) has proved to be effective in investigating the properties of porous media. However, estimating Swb
G. Jin, R. Xie, Lizhi Xiao
semanticscholar +1 more source
Permeability and bound water saturation (Swb) are key parameters reflecting the petrophysical properties of porous rocks. Nuclear magnetic resonance (NMR) has proved to be effective in investigating the properties of porous media. However, estimating Swb
G. Jin, R. Xie, Lizhi Xiao
semanticscholar +1 more source