Shale gas has become an increasingly important source of natural gas in the United States since the start of this century, and interest has spread to potential gas shales in the rest of the world.
Gas serpih telah menjadi semakin penting sebagai sumber gas alam di Amerika serikat sejak awal abad 21, dan ketertarikan telah menyebar di negara-negara potensial gas serpih di seluruh dunia.