Groundwater budgeting of Nari and Gaj formations and groundwater mapping of Karachi, Pakistan

MT Sohail, A Hussan, M Ehsan, N Al-Ansari… - Applied Water …, 2022 - Springer
Groundwater depletion is an emerging problem worldwide due to changes in climate and an
increase in urbanization. Two significant water-bearing formations, the Oligocene-aged Nari …

Hydrocarbon source rock evaluation and quantification of organic richness from correlation of well logs and geochemical data: A case study from the sembar formation …

H Aziz, M Ehsan, A Ali, HK Khan, A Khan - Journal of Natural Gas Science …, 2020 - Elsevier
Abstract Sembar Formation of Cretaceous encountered in Khajari-01 and Miran-01 wells,
which are located in the Southern Indus Basin (SIB), Pakistan. Total organic carbon (TOC) …

Unveiling the diagenetic and mineralogical impact on the carbonate formation of the indus basin, Pakistan: implications for reservoir characterization and quality …

FH Memon, AH Tunio, KR Memon, AA Mahesar… - Minerals, 2023 - mdpi.com
The Chiltan formation is a potential hydrocarbon-producing reservoir in the Indus Basin,
Pakistan. However, its diagenetic alterations and heterogeneous behavior lead to significant …

Using digital cores and nuclear magnetic resonance to study pore-fracture structure and fluid mobility in tight volcanic rock reservoirs

M Du, Z Yang, E Jiang, J Lv, T Yang, W Wang… - Journal of Asian Earth …, 2024 - Elsevier
Pore-fracture structure characterization and fluid mobility analysis are key to the effective
development of tight reservoirs. However, it is difficult to accurately characterize the pore …

Cretaceous stratigraphic framework and sedimentary architecture, Pakistan: signatures of rift–drift tectonics and submarine volcanism along the western continental …

M Umar, AM Kassi, M Jamil, AK Kasi… - Geological Society …, 2025 - lyellcollection.org
The lithostratigraphy, biostratigraphy and depositional environments of the Cretaceous
successions in Pakistan were investigated to reveal the major geological events, including …

Unconventional Reservoir Characterization of Patala Formation, Upper Indus Basin, Pakistan

M Ehsan, R Chen, MAU Latif, K Abdelrahman, A Ali… - ACS …, 2024 - ACS Publications
Unconventional hydrocarbon exploration is needed in the current oil and gas crisis scenario.
Therefore, the development of conditions for unconventional hydrocarbon exploration is …

Use of outcrop as substitute for subsurface shale: Current understanding of similarities, discrepancies, and associated challenges

H Sharifigaliuk, SM Mahmood, M Ahmad… - Energy & …, 2021 - ACS Publications
Full coring in shale reservoirs is challenging, time consuming, and risky due to fragility.
Therefore, shale outcrop analogs are often used as an alternative to enhance the …

[HTML][HTML] The comparative study of shale pore structure between outcrop and core samples of Ziliujing Formation shale from the northeastern Sichuan Basin in China

W Wei, Z Gao, Z Jiang, L Duan - Energy Reports, 2022 - Elsevier
The pore structure controls the storage and migration of geofluids within shale and ultimately
determines its reservoir quality. Therefore, the characterization of shale pore structure has …

The Early Cretaceous Sembar Formation, Southern Indus Basin, Pakistan: Biomarkers and Trace Element Distributions to Investigate the Sedimentary …

W Naseem, I Ullah Jan, KA Mustahpa, MH Hakimi… - ACS …, 2024 - ACS Publications
The Early Cretaceous clay-rich facies of the Sembar Formation represent the most
significantly occurring organic-rich sediments in the Southern Indus Basin of Pakistan. In this …

Organic geochemistry indicates source-rock characteristics and hydrocarbon potential: A case study from Early Cretaceous Sembar Formation, southern Indus Basin …

A Ahmed, T Khan, S Jahandad, MH Hakimi… - Arabian Journal of …, 2020 - Springer
Shale samples from the Early Cretaceous Sembar Formation were selected from a well in
the southern Indus Basin, Pakistan, and were analyzed for geochemical parameters. The …