Results 1 to 10 of about 1,598 (100)

The formation mechanism of authigenic chlorite in tight sandstone and its effect on tight oil adsorption during hydrocarbon filling

open access: yesOil & Gas Science and Technology, 2021
Authigenic chlorite, which is frequently found in sandstone, has a controlling effect on the reservoirs in which tight oil is adsorbed during hydrocarbon filling. In this study, the content, occurrence state, timing, mechanism and influence of authigenic
Zhou Qianshan   +8 more
doaj   +1 more source

Preparation of NWF-g-DMC@Al2O3 adsorbent by preradiation grafting-embedding and its application for removal of chlorite

open access: yesFushe yanjiu yu fushe gongyi xuebao, 2023
Chlorite and other disinfection byproducts have been listed as carcinogens by the International Center for Research on Cancer. The effective treatment of chlorite is imperative for the drinking water purification process.
RAO Lu   +5 more
doaj   +1 more source

A literature review on thermodynamic sorption models of radionuclides with some selected granitic minerals

open access: yesFrontiers in Nuclear Engineering, 2023
The literature for radionuclide sorption on four common granitic minerals have been surveyed. Mainly, such studies were modelling using Thermodynamic Sorption Models were investigated. Although the studies give a far from concerted results, they agree on
Stellan Holgersson, Pawan Kumar
doaj   +1 more source

REEVALUATION OF KAOLINITE OCCURRENCE IN SOME TORRIFLUVENTS IRAQI SOIL [PDF]

open access: yesمجلة الأنبار للعلوم الزراعية, 2021
Clay fraction of Torrifluvents Iraqi soils contained different clay mineral groups. Usually, samples with limited number of clay minerals, can be defined mainly by x-ray diffraction analysis.
R. Al-Tamimi
doaj   +1 more source

Role of authigenic clay minerals in preserving primary porosity and permeability of the sandstone hydrocarbon reservoirs [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2019
Among different diagenetic alterations, quartz cements are the foremost porosity and permeability destroying cement in deeply buried (>2 km) sandstones.
Masoumeh Kordi
doaj   +1 more source

Mineral chemistry and geothermometry of chlorite in Dalayon Area (East of Dorud- Sanandaj-Sirjan Zone) [PDF]

open access: yesپترولوژی, 2023
The main aim of this paper is to identify the formation environment and the physicochemical conditions of chlorite minerals in Dalayon area by their mineralogical and geochemical features (Ciesielczuk, 2002).
SeyedVahid Shahrokhi
doaj   +1 more source

Experimental diagenesis using present-day submarine turbidite sands

open access: yesFrontiers in Earth Science, 2022
Hydrothermal-reactor experiments were conducted to investigate the potential formation of chlorite and microquartz grain coatings on detrital quartz and feldspar grains, and to understand their role in inhibiting the formation of quartz and feldspar ...
Abdulwahab Muhammad Bello   +6 more
doaj   +1 more source

Formation mechanism of authigenic chlorite in tight sandstone and its influence on tight oil adsorption, Triassic Ordos Basin, China

open access: yesEnergy Exploration & Exploitation, 2020
In this study, the formation mechanism of authigenic chlorite in tight reservoirs and its influence on the adsorption capacity to tight oil have been analyzed.
Qianshan Zhou   +5 more
doaj   +1 more source

Insights into the structural evolution of the pre-Variscan rocks of the Eastern Pyrenees from La Molina quartz veins; constraints on chlorite and fluid inclusion thermometry

open access: yesGeologica Acta, 2020
Quartz veins hosted in the infra and overlying series to the (Sardic) Upper Ordovician Unconformity provide new insights into the structural and thermal evolution of the pre-Variscan rocks of the Eastern Pyrenees.
E. González-Esvertit   +3 more
doaj   +1 more source

Safety and efficacy of natural mixtures of talc (steatite) and chlorite (E 560) as a feed additive for all animal species

open access: yesEFSA Journal, 2018
The additive is a natural mixture of talc and chlorite (NTMC) that contains at least 75% of talc and chlorite as main components. The additive is intended for use as a technological additive (functional groups: (i) anticaking agents) in premixtures and ...
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)   +25 more
doaj   +1 more source

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