The us energy information administration explains that " he use of horizontal drilling in conjunction with hydraulic fracturing has greatly expanded the ability of producers to produce natural gas from low permeability geologic formations , particularly shale formations . "

美国能源信息署（eia）解释道：“水平钻井技术结合水力压裂法的使用，已大大提高了从低渗透地质构造（特别是页岩）开采天然气的能力。”