(April 20, 2016, 1:18 PM EDT) -- OKLAHOMA CITY — An association representing a hydraulic fracturing company on April 19 filed a brief in Oklahoma federal court contending that it has standing to bring its case against Secretary of the Interior Sally Jewell in relation to her department’s approval of fracking permits (Osage Producers Association v. Sally Jewell v. David P. Hayes, No. 15-469, N.D. Okla.)....