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 …

Application of unconventional seismic attributes and unsupervised machine learning for the identification of fault and fracture network

U Ashraf, H Zhang, A Anees, H Nasir Mangi, M Ali… - Applied Sciences, 2020 - mdpi.com
The identification of small scale faults (SSFs) and fractures provides an improved
understanding of geologic structural features and can be exploited for future drilling …

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 …

Unsupervised machine learning and multi-seismic attributes for fault and fracture network interpretation in the Kerry Field, Taranaki Basin, New Zealand

A Ismail, AA Radwan, M Leila… - … and Geophysics for Geo …, 2023 - Springer
Unsupervised machine learning using an unsupervised vector quantization neural network
(UVQ-NN) integrated with meta-geometrical attributes as a novel computation process as …

Sweet spots prediction through fracture genesis using multi-scale geological and geophysical data in the karst reservoirs of Cambrian Longwangmiao Carbonate …

R Jiang, L Zhao, A Xu, U Ashraf, J Yin, H Song… - Journal of Petroleum …, 2022 - Springer
Fractures play a vital role in reservoir transformation, but the distribution of faults and
fractures is difficult to obtain by observing cores, which ultimately limits the effective …

Quantitative characterization of shallow marine sediments in tight gas fields of middle indus basin: a rational approach of multiple rock physics diagnostic models

M Ali, U Ashraf, P Zhu, H Ma, R Jiang, G Lei, J Ullah… - Processes, 2023 - mdpi.com
For the successful discovery and development of tight sand gas reserves, it is necessary to
locate sand with certain features. These features must largely include a significant …

Contemporary earthquake hazards in the West‐northwest Himalaya: A statistical perspective through natural times

S Pasari, Y Sharma - Seismological Research Letters, 2020 - pubs.geoscienceworld.org
Himalayan earthquakes have deep societal and economic impact. In this article, we
implement a surrogate method of nowcasting (Rundle et al., 2016) to determine the current …

Knowledge-based machine learning for mineral classification in a complex tectonic regime of Yingxiu-Beichuan fault zone, Sichuan basin

J Ullah, H Li, U Ashraf, P Heping, M Ali, M Ehsan… - Geoenergy Science and …, 2023 - Elsevier
The present study aims to better understand the mineralogy and thermal structure of the
Yingxiu-Beichuan fault zone (YBFZ), Sichuan basin, China, which was lacking previously …

New evidence for Late Cretaceous plume-related seamounts in the Middle East sector of the Neo-Tethys: Constraints from geochemistry, petrology, and mineral …

E Barbero, F Zaccarini, M Delavari, A Dolati, E Saccani… - Lithos, 2021 - Elsevier
Abstract The Durkan Complex in the Makran Accretionary Prism (SE Iran) has been
interpreted either as a continental margin succession or a Late Cretaceous tectonically …

Paleoenvironmental and bio-sequence stratigraphic analysis of the cretaceous pelagic carbonates of eastern tethys, sulaiman range, Pakistan

S Ullah, IU Jan, M Hanif, K Latif, M Mohibullah… - Minerals, 2022 - mdpi.com
The Cretaceous pelagic carbonate succession, ie, Goru Formation was studied in the
Chutair Section, Sulaiman Range, representing part of the eastern Tethys for the …