For immediate enrollment, please log onto your My Bar Page at texasbar. Com and click Join Sections.To join a section, visit My Bar Page and join online, or download the application. In Texas, attorneys can become board certified in the specialty practice area of Oil, Gas, and Mineral Law. A. Describing the Interest Being Conveyed. 4. 1. So in Texas, the owner owns all the minerals subject to the rule of capture and subject to the police power (i.e. And to the Texas Board of Legal. Specialization in Bankruptcy, Civil. Timothy Cook's practice is focused primarily on commercial and construction litigation. Timothy graduated summa cum laude from South Texas College of Law.