Results 11 to 20 of about 30,243 (255)

Impacts of Mixed-Wettability on Brine Drainage and Supercritical CO2 Storage Efficiency in a 2.5-D Heterogeneous Micromodel [PDF]

open access: yes, 2020
Geological carbon storage (GCS) involves unstable drainage processes, the formation of patterns in a morphologically unstable interface between two fluids in a porous medium during drainage.
Chang, C   +4 more
core   +5 more sources

Study on the Microscopic Pore Structures of Coal Measure Reservoirs in the Shanxi Formation, Eastern Ordos Basin

open access: yesFrontiers in Earth Science, 2022
The Carboniferous-Permian coal measures in China contain abundant natural gas resources. Shale, coal and tight sandstone reservoirs are developed in coal measures, and the quantitative characterization of the pore structures of different types of ...
Jiao Pengfei   +6 more
doaj   +1 more source

Relating pore fabric geometry to acoustic and permeability anisotropy in Crab Orchard Sandstone: A laboratory study using magnetic ferrofluid [PDF]

open access: yes, 2003
Pore fabric anisotropy is a common feature of many sedimentary rocks. In this paper we report results from a comparative study on the anisotropy of a porous sandstone (Crab Orchard) using anisotropy of magnetic susceptibility (AMS), acoustic wave ...
Benson, PM, Meredith, PG, Platzman, ES
core   +4 more sources

Modeling Method to Characterize the Pore Structure of Fractured Tight Reservoirs

open access: yesApplied Sciences, 2022
The study of unconventional reservoirs has gained increasing attention with the deepening of exploration and development especially in deep-buried tight sandstone reservoirs.
You Zhou, Guangzhi Zhang, Junzhou Liu
doaj   +1 more source

Response laws of rock electrical property and saturation evaluation method of tight sandstone

open access: yesPetroleum Exploration and Development, 2020
To solve the problem that the law of rock electrical response under low and medium water saturation in tight sandstone reservoirs is not clear, an experimental method of high-speed centrifugal displacement rock electricity and nuclear magnetic resonance ...
Xia LI   +4 more
doaj   +1 more source

Micro-scale pore-throat distributions in tight sandstone reservoirs and its constrain to movable fluid

open access: yesShiyou shiyan dizhi, 2021
To understand the constrains of multi-scale microscopic pore-throat distributions to the movable fluid in tight sandstone reservoirs, high-pressure mercury injection and nuclear magnetic resonance (NMR) were employed to obtain the distribution ...
Hongli ZHONG   +4 more
doaj   +1 more source

Implications of heterogeneous fracture distribution on reservoir quality; an analogue from the Torridon Group sandstone, Moine Thrust Belt, NW Scotland [PDF]

open access: yes, 2017
This research was funded by a NERC CASE studentship (NERC code NE/I018166/1) in partnership with Midland Valley. Midland Valley's Move software was used for cross section construction and strain modelling.
Bond, Clare E.   +3 more
core   +1 more source

Pore Structure Differentiation between Deltaic and Epicontinental Tight Sandstones of the Upper Paleozoic in the Eastern Linxing Area, Ordos Basin, China

open access: yesGeofluids, 2021
Research on tight gas reservoirs in the eastern margin of the Ordos Basin, China, has recently become a hot spot. This paper mainly studies the reservoir characteristics of tight sandstone in the north-central area close to the provenance in eastern ...
Jimei Deng   +6 more
doaj   +1 more source

Formation condition of deep gas reservoirs in tight sandstones in Kuqa Foreland Basin

open access: yesPetroleum Research, 2018
Due to the high expense of deep oil and gas exploration, prediction of gas-bearing properties before drilling is crucial for deep gas reservoir of tight sandstone. Deep tight sandstone gas fields in Kuqa Foreland Basin are characterized by high abundance,
Xuesong Lu   +6 more
doaj   +1 more source

Analysis of pore size distribution and fractal dimension in tight sandstone with mercury intrusion porosimetry

open access: yesResults in Physics, 2019
The pore size distribution (PSD) and fractal dimension of tight sandstone are studied with mercury intrusion porosimetry (MIP). Four different fractal models are used to calculate fractal dimensions from mercury intrusion capillary pressure (MICP) and ...
Fuyong Wang   +3 more
doaj   +1 more source

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