Results 1 to 10 of about 165,701 (208)

Effects of Initial pH and Carbonate Rock Dosage on Bio-Oxidation and Secondary Iron Mineral Synthesis [PDF]

open access: yesToxics, 2023
The effect of pH is a key factor in biomineralization mediated by Acidithiobacillus ferrooxidans to promote the transformation of Fe into secondary iron minerals.
Yuran Fu   +6 more
doaj   +2 more sources

Rock Physics Modeling and Seismic Interpretation to Estimate Shally Cemented Zone in Carbonate Reservoir Rock [PDF]

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2016
Carbonate rock are important hydrocarbon reservoir rocks with complex texture and petrophysical properties (porosity and permeability). These complexities make the prediction reservoir characteristics (e.g.
Handoyo Handoyo   +2 more
doaj   +2 more sources

Terrestrial algae: pioneer organisms of carbonate rock solutional weathering in South China karst [PDF]

open access: yesFrontiers in Microbiology
The formation of soil in karst ecosystem has always been a scientific problem of great concern to human beings. Algae can grow on the exposed and non-nutrition carbonate surface, inducing and accelerating weathering of rock substrates, thus promoting ...
Ni Yan   +10 more
doaj   +2 more sources

Digital carbonate rock physics [PDF]

open access: yesSolid Earth, 2016
Modern estimation of rock properties combines imaging with advanced numerical simulations, an approach known as digital rock physics (DRP). In this paper we suggest a specific segmentation procedure of X-ray micro-computed tomography data with two ...
E. H. Saenger   +6 more
doaj   +5 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   +3 more sources

Rock Typing Approaches for Effective Complex Carbonate Reservoir Characterization

open access: yesEnergies, 2023
For highly heterogeneous complex carbonate reef reservoirs, rock typing with respect to depositional conditions, secondary processes, and permeability and porosity relationships is a useful tool to improve reservoir characterization, modeling, prediction
Sergey Krivoshchekov   +5 more
doaj   +3 more sources

Study on Multi-Scale Coral Reef Pore Structure Identification and Characterization

open access: yesApplied Sciences, 2022
In order to more accurately realize the automatic identification and quantitative characterization of coral reef multi-scale pore structure, this paper has carried out such research.
Jinchao Wang   +3 more
doaj   +1 more source

Carbonate Resources in Viet Nam: Exploiting, Processing and Using

open access: yesIraqi Geological Journal, 2023
Vietnam has a carbonate rock distribution area of about 60,000 km2, accounting for nearly 20% of the territory's area. Carbonate rocks in Vietnam are located in many different stratigraphy, their ages from Pre Cambrian to Triassic.
Le Tuan, Do Thanh, Tran Trang
doaj   +1 more source

Using characteristics of pressure-temperature induced permeability variation of typical carbonate rock to determine its performance as reservoir or cap rock

open access: yesJournal of Natural Gas Geoscience, 2021
The current research on carbonate rock often focuses on the storage space for oil and gas, and exploration of carbonate rock in petroliferous basins also mainly searches for high-quality reservoir rock for hydrocarbons.
Tong Lin   +4 more
doaj   +1 more source

Identification and characterization of microfractures in carbonate samples

open access: yesPetroleum Exploration and Development, 2022
Based on the rock typing method of pore geometry and structure (PGS), rock samples from carbonate reservoir A and carbonate reservoir B were classified using data of routine and special core analysis and thin section images, and microfractures in the ...
Pudji PERMADI   +3 more
doaj   +1 more source

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