Mealey's (January 2, 2020, 11:27 AM EST) -- CHEYENNE, Wyo. — A group of oil and gas exploration companies on Dec. 30 filed a brief in Wyoming federal court contending that it should dismiss an antitrust lawsuit filed against them because the landowners who filed the case fail to state a claim for monopolization of mineral rights related to hydraulic fracturing in local shale plays (Dennis A. Black, et al. v. Occidental Petroleum Corporation, et al., No. 19-243, D. Wyo.)....