A core logging, machine learning and geostatistical modeling interactive approach for subsurface imaging of lenticular geobodies in a clastic depositional system, SE …

U Ashraf, H Zhang, A Anees, HN Mangi, M Ali… - Natural Resources …, 2021 - Springer
Facies models are essential tools for imaging subsurface geobodies and for reducing
exploration and development risks efficiently. The Lower Goru Formation is one of the …

Machine learning-A novel approach of well logs similarity based on synchronization measures to predict shear sonic logs

M Ali, R Jiang, H Ma, H Pan, K Abbas, U Ashraf… - Journal of Petroleum …, 2021 - Elsevier
This study proposes a novel approach to predict missing shear sonic log responses more
precisely and accurately using similarity patterns of various wells with similar geophysical …

Controls on reservoir heterogeneity of a shallow-marine reservoir in Sawan Gas Field, SE Pakistan: Implications for reservoir quality prediction using acoustic …

U Ashraf, H Zhang, A Anees, M Ali, X Zhang… - Water, 2020 - mdpi.com
The precise characterization of reservoir parameters is vital for future development and
prospect evaluation of oil and gas fields. C-sand and B-sand intervals of the Lower Goru …

Hydrocarbon potential assessment of carbonate-bearing sediments in a meyal oil field, Pakistan: Insights from logging data using machine learning and quanti elan …

J Ali, U Ashraf, A Anees, S Peng, MU Umar… - ACS …, 2022 - ACS Publications
The Meyal oil field (MOF) is among the most important contributors to Pakistan's oil and gas
industry. Northern Pakistan's Potwar Basin is located in the foreland and thrust bands of the …

Evaluation of the geothermal parameters to decipher the thermal structure of the upper crust of the Longmenshan fault zone derived from borehole data

J Ullah, M Luo, U Ashraf, H Pan, A Anees, D Li, M Ali… - Geothermics, 2022 - Elsevier
Abstract The Wenchuan earthquake Fault Scientific Drilling venture (WFSD) offers an
interesting possibility for examining the faulting and thermal system of the Yingxiu-Beichuan …

Seismic driven reservoir classification using advanced machine learning algorithms: A case study from the lower Ranikot/Khadro sandstone gas reservoir, Kirthar fold …

U Manzoor, M Ehsan, AE Radwan, M Hussain… - Geoenergy Science and …, 2023 - Elsevier
Reservoir characterization of thin sand bed reservoirs has been a challenge for petroleum
explorers across the globe. In this study, we have studied the heterogeneous Paleocene …

Sand-ratio distribution in an unconventional tight sandstone reservoir of Hangjinqi area, Ordos Basin: Acoustic impedance inversion-based reservoir quality prediction

A Anees, H Zhang, U Ashraf, R Wang… - Frontiers in Earth …, 2022 - frontiersin.org
Future gas field development and prospect assessment depend on accurate reservoir
parameter characterization. The understanding of the tight sand distribution of the Shanxi …

Estimation of porosity and facies distribution through seismic inversion in an unconventional tight sandstone reservoir of Hangjinqi area, Ordos basin

U Ashraf, A Anees, W Shi, R Wang, M Ali… - Frontiers in Earth …, 2022 - frontiersin.org
Precision porosity and facies determinations are critical in reducing drilling uncertainty and
increasing hydrocarbon recoveries from heterogeneous sources. The porosity and facies …

Source rock geochemical assessment and estimation of TOC using well logs and geochemical data of Talhar Shale, Southern Indus Basin, Pakistan

H Khalil Khan, M Ehsan, A Ali, MA Amer… - Frontiers in Earth …, 2022 - frontiersin.org
Assessment of organic carbon content (TOC) by geophysical logs has been a challenging
task in the formation evaluation of shale gas. This research is conducted to estimate the …

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) …