Results 31 to 40 of about 1,052,081 (397)

Long-time evolution of sequestered CO$_2$ in porous media [PDF]

open access: yes, 2014
CO$_2$ sequestration in subsurface reservoirs is important for limiting atmospheric CO$_2$ concentrations. However, a complete physical picture able to predict the structure developing within the porous medium is lacking.
Cohen, Yossi, Rothman, Daniel H.
core   +2 more sources

Time-Dependent Physicochemical Changes of Carbonate Surfaces from SmartWater (Diluted Seawater) Flooding Processes for Improved Oil Recovery. [PDF]

open access: yes, 2018
Over the past few decades, field- and laboratory-scale studies have shown enhancements in oil recovery when reservoirs, which contain high-salinity formation water (FW), are waterflooded with modified-salinity salt water (widely referred to as the low ...
Alotaibi, Mohammed B   +12 more
core   +3 more sources

Comparison of γ-ray spectrometry and ICP-MS methods for measuring radioactive heat-producing elements of rocks: a case study on borehole samples from the Sichuan Basin, China [PDF]

open access: yes, 2017
We compared the consistency of γ-ray spectrometry and inductively coupled plasma mass spectrometry by analyzing measurement results of the radioactive heat-producing elements U, Th, and K from borehole samples.
Hu, Shengbiao   +3 more
core   +1 more source

Effects of rock tablet lithology difference on estimation of rock dissolution rate and carbon flux

open access: yesCarsologica Sinica, 2022
Under the control of subtropical humid monsoon climate, karstification is very strong in the karst area of southern China. At the same time, a lot of researches indicate that the carbon sink formed by karstification in southern China may be an important ...
Xiaoqin ZHANG   +5 more
doaj   +1 more source

Constraining hydrocarbon migration and accumulation by two-dimensional numerical simulation: Ordovician carbonate reservoirs of the Daniudi Area, Ordos Basin

open access: yesEnergy Exploration & Exploitation, 2023
The various types of reservoir space in carbonate reservoirs make the process of hydrocarbon migration and accumulation very complex. How to quantitatively characterize the characteristics of hydrocarbon migration and accumulation in carbonate reservoirs
Jingdong Liu   +4 more
doaj   +1 more source

Worldwide distribution of continental rock lithology: Implications for the atmospheric/soil CO2 uptake by continental weathering and alkalinity river transport to the oceans [PDF]

open access: yes, 2003
The silicate rock weathering followed by the formation of carbonate rocks in the ocean, transfers CO2 from the atmosphere to the lithosphere. This CO2 uptake plays a major role in the regulation of atmospheric CO2 concentrations at the geologic ...
Amiotte Suchet, Philippe   +2 more
core   +2 more sources

Dolomite genesis and reservoir-cap rock assemblage in carbonate-evaporite paragenesis system

open access: yesPetroleum Exploration and Development, 2019
Regarding to the problem on the reservoir-cap rock assemblage evaluation in the carbonate-evaporite paragenesis system, this study examined the dolomite and reservoirs genesis and the characteristics of reservoir-cap rock assemblage.
Anping HU   +6 more
doaj   +1 more source

Orbital frequencies in the carbonate sedimentary record: distorted by diagenesis? [PDF]

open access: yes, 2004
The most important archive of Earth’s climate change through geologic history is the sedimentary rock record. Rhythmic sedimentary alternations are usually interpreted as a consequence of periodic variations in the orbital parameters of the Earth.
Bornholdt, Stefan   +2 more
core   +1 more source

Depositional model of clastic and carbonate rocks in a continental rift basin: a case study of the Paleogene Shahejie Formation in the Cangdong Depression, Bohai Bay Basin

open access: yesGeomechanics and Geophysics for Geo-Energy and Geo-Resources, 2023
The study of a clastic and carbonate rock depositional model in a continental rift basin is helpful to better understand the sedimentary processes active in continental rift basins.
Shaoze Zhao   +8 more
doaj   +1 more source

CO2-Water-Rock Interactions in Carbonate Formations at the Tazhong Uplift, Tarim Basin, China

open access: yesMinerals, 2022
The effects of CO2-water-rock interactions on the injectivity and safety of CO2 geological storage have drawn wide attention. The geochemical reaction mechanisms in carbonate formations after CO2 injection are still controversial.
Kaisar Ahmat   +4 more
semanticscholar   +1 more source

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