Global shale gas production
According to estimates, unconventional natural gas production accounted for 15% of global natural gas production in 2010, most of which came from North America. Of the...
unconventional resources
Unconventional natural gas reserves
Unconventional resources are stored underground in impervious rock formations such as coal seams, sandstones and shale. As mentioned earlier, three unconventional resources include shale gas, which...