Geoscientists now identify coal layers using conventional well logs. Coal layer identification is the main technical difficulty in coalbed methane exploration and development. This research uses ...

Ultrasound-based irradiation of rock formations has attracted considerable attention as a technique for enhancing heavy-oil ...

The complex pore structure of carbonate rocks often results in scattered data in the relationship between formation resistivity factor (FRF) and porosity, posing significant challenges for accurate ...

A stepped stone formation resting on the seafloor near Yonaguni Island in the Ryukyu chain has fueled one of geology’s most ...