Since 2006 , roughly 1,000 patents have been filed in the US relating to hydraulic engineering , with 40 % focused on technology , techniques or techniques aimed at creating or reinforcing fractures , related to Deloitte . The patent highlights the desire to reduce costs and improve efficiency in the industry .
Since 2006, roughly 1,000 patents have been filed in the US relating to hydraulic fracturing, with 40% centred on technology, tools or processes aimed at creating or reinforcing fractures, according to Deloitte. The study highlights the desire to reduce costs and improve efficiency in the industry.