Review and analysis of supervised machine learning algorithms for hazardous events in drilling operations

AU Osarogiagbon, F Khan, R Venkatesan… - Process Safety and …, 2021 - Elsevier
Results of bibliometric analysis and a detailed review are reported on the use of supervised
machine learning to study hazardous drilling events. The bibliometric analysis attempts to …

A review on the applications of image logs in structural analysis and sedimentary characterization

J Lai, G Wang, S Wang, J Cao, M Li, X Pang… - Marine and Petroleum …, 2018 - Elsevier
Image logs provide important information on lithology, sedimentary textures, paleoflow
directions, fractures and in situ stress analysis. Lacking of criteria used for establishing the …

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 …

Fracture detection in oil-based drilling mud using a combination of borehole image and sonic logs

J Lai, G Wang, Z Fan, Z Wang, J Chen, Z Zhou… - Marine and Petroleum …, 2017 - Elsevier
Abstract The deeply buried (5.5–7.1 km) Lower Cretaceous Bashijiqike sandstones are
important fractured reservoirs in the Kuqa depression. In these high temperature-high …

[HTML][HTML] Application of geophysical well logs in solving geologic issues: Past, present and future prospect

J Lai, Y Su, L **ao, F Zhao, T Bai, Y Li, H Li, Y Huang… - Geoscience …, 2024 - Elsevier
Geophysical well logs are widely used in geological fields, however, there are considerable
incompatibilities existing in solving geological issues using well log data. This review …

Fracture responses of conventional logs in tight-oil sandstones: A case study of the Upper Triassic Yanchang Formation in southwest Ordos Basin, China

W Lyu, L Zeng, Z Liu, G Liu, K Zu - AAPG bulletin, 2016 - pubs.geoscienceworld.org
Fractures are the main fluid-flow pathways in tight-oil sandstones, and they have a
significant influence on tight-oil distribution, exploration, and development. Cores and image …

Reservoir heterogeneity and fracture parameter determination using electrical image logs and petrophysical data (a case study, carbonate Asmari Formation, Zagros …

G Aghli, R Moussavi-Harami, R Mohammadian - Petroleum Science, 2020 - Springer
Assessment of reservoir and fracture parameters is necessary to optimize oil production,
especially in heterogeneous reservoirs. Core and image logs are regarded as two of the …

[HTML][HTML] Fracture identification and evaluation using conventional logs in tight sandstones: A case study in the Ordos Basin, China

S Dong, L Zeng, W Lyu, D **a, G Liu, Y Wu, X Du - Energy Geoscience, 2020 - Elsevier
Fractures are of great significance to tight oil and gas development. Fracture identification
using conventional well logs is a feasible way to locate the underground fractures in tight …

Characteristics of stratum movement induced by downward longwall mining activities in middle-distance multi-seam

G Cheng, T Yang, H Liu, L Wei, Y Zhao, Y Liu… - International Journal of …, 2020 - Elsevier
With the development of mining depth, multi-seam mining activities is becoming more and
more frequent. Correspondingly, the study on stratum movement characteristics induced by …