New extraction techniques most notably hydraulic fracturing , or fracking , and horizontal drilling have unlocked huge hydrocarbon resources previously thought unrecoverable .
The ability to extract fossil fuels trapped in shale rock using advanced horizontal drilling , hydraulic fracturing and 3d seismic surveying is the most significant development in the energy industry for at least half a century .
Other countries , like france and bulgaria , have gone further and banned hydraulic fracking altogether because of environmental concerns , essentially stopping development in its tracks .
法国和保加利亚等国则更进一步,干脆以环保为由禁止采用水力压裂法,基本上叫停了页岩气的开发。
Thanks to new drilling techniques such as hydraulic fracturing , the united states is swimming in natural gas , and a glutted market has sent prices plummeting .
受益于新的开采技术,如水力压裂法,可以说美国人就像在天然气中游泳,饱和的市场导致价格跳水。
Us oil production has surged to a 10-year peak after companies tapped so-called shale reservoirs , using a technique called hydraulic fracturing or " fracking " .