Mealey's (May 9, 2016, 7:32 AM EDT) -- OKLAHOMA CITY — A federal judge in Oklahoma on April 26 ruled that a company that made flow equipment and wellheads that ruptured at a hydraulic fracturing site was required to respond to some of the fracking company’s requests for production of documents and interrogatories related to the equipment that failed (Chesapeake Appalachia LLC, et al. v. Cameron International Corporation, No. 13-1118, W.D. Okla.; 2016 U.S. Dist. LEXIS 55147)....