Objective The western slope of the Okinawa trough has been considered to experience important methane seep activities.Abundant terrigenous sediments supply and
Objective The Tonghua region in the east of the Songliao Basin is a high-risk and blank area of petroleum exploration.The unrevealed key problems including the
Objective Nowadays,the governments and worldwide energy and environmental scientists have been focusing on CO_2enhanced coalbed methane recovery(CO_2-ECBM)to re
Objective The hydraulic fracturing is still an effective technology for the exploitation of coalbed methane(CBM).However,after the hydraulic fracturing operatio
Objective Dim spots are those gas reservoirs located in relative deeper target strata in which seismic reflection energy remarkably goes down or disappear,and a