Kerry A. Kilburn - Oil and Gas Law; Acquisition and Financing of Producing Properties; Bankruptcy; Litigation; Environmental Law.  Not certified by the Texas Board of Legal Specialization. Michael D. Jones - Board Certified; Civil Trial Law and Oil, Gas and Mineral Law, Texas Board of Legal Specialization. Lee S. Gill - Board Certified; Oil, Gas and Mineral Law, Texas Board of Legal Specialization. K. Ray Campbell - Board Certified; Oil Gas and Mineral Law, Texas Board of Legal Specialization.