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Open access Aug 2026

Fluid Types and Geologic Models for Karst Reservoir Development Within the Penglaiba–Lower Yingshan Formations, Ordovician, Northern Tarim Basin

The Ordovician strata in Northern Tarim host extensively developed carbonate karst reservoirs that contain abundant hydrocarbon resources. However, owing to extreme burial depths, pronounced heterogeneity, and limited seismic resolution within the Tarim Basin, the diagenetic fluid types and their specific influences on...

Jun Peng, Jin-Gang Xia, Qin-Qi Xu et al. · 0 citations
Open access Sep 2026

Structural control on groundwater hydrogeochemistry and recharge processes in the semi-arid Chemora Plain (northeastern Algeria): Insights from hydrochemistry, stable isotopes and multivariate statistics

Understanding the factors controlling groundwater mineralization is essential for the sustainable management of water resources in semi-arid environments. This study investigates the hydrogeochemical functioning of the Chemora Plain aquifer (northeastern Algeria), where a Cretaceous structural ridge divides the alluvia...

Amina Tahar Khelkhal, Nafaa Brinis · 0 citations
Open access 2026

Influence of Structural and Tectonic Factors on the Hydrogeochemical Zonation of the Lower-Middle Cambrian Litvintsevskaya Suite Aquifer

Groundwaters of the Lower–Middle Cambrian Litvintsevskaya suite aquifer within the study area, located in the northeastern part of the Upper Lena artesian basin, are used for water supply in reservoir pressure maintenance systems during oil field development. The relevance of the study is driven by the need to understa...

Yu.O. Rusakova, A. L. Khramtsova · 0 citations
Open access Aug 2026

Hydrogeophysical assessment of groundwater and saltwater–freshwater interface in a quaternary– neogene coastal aquifer, Kilwa Kisiwani island, southeast Tanzania

This study aims to identify and explore new potential sites of groundwater resources using geophysical methods, and to demarcate the depth to the saltwater-freshwater interface. Kilwa Kisiwani Island is geologically covered mostly by Neogene and Quaternary alluvial sediments, sand and gravel. The geophysical techniques...

Simon R Melchioly · 0 citations
Open access Sep 2026

Controls of Tectonic, Sedimentary and Paleoenvironmental Factors on Source Rock Formation of the Lower Wenchang Formation, Pearl River Mouth Basin

The Kaiping–Baiyun Western Sag in the Pearl River Mouth Basin is a key area for deepwater petroleum exploration in China. However, due to complex tectonic changes and limited well coverage, the differential formation mechanisms and multi‐scale controlling factors of source rocks in rift basins remain unclarified. Thi...

Xin-Wei Qiu, Zhong-Tao Zhang, Jing Guo et al. · 0 citations
Open access Sep 2026

Hydrogeochemical dynamics of a potential talik aquifer beneath the Kuuguluk River, Salluit, Nunavik (Québec, Canada)

Guaranteeing year-round access to safe, sustainable drinking water is a major challenge for many northern communities in Canada. This study offers the first hydrochemical and isotopic analysis of the Kuuguluk River and its river talik, in Salluit, Nunavik (Québec, Canada), based on water samples collected during a...

B. Faucher, N. Benoît, P. Gammon et al. · 0 citations

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