Cuadrilla extracted its first shale gas from its site in northwest England, it said on Friday, after it began fracking operations there just over two weeks ago. Cuadrilla said the gas flows were small but coming at such an early stage of the project were evidence of the potential of the site. “This is a good early indication of the gas potential that we have long talked about,” Cuadrilla Chief Executive Francis Egan said in an emailed statement. Fracking, or hydraulically fracturing, involves extracting gas from rocks by breaking them up with water and chemicals at high pressure. The practice, which started at the New Road site on Oct. 15 has been halted and restarted twice since then after small earth tremors were detected. Britain’s regulatory system calls […]