25, Houston, Texas MORE INFO REGISTER. Law students may join up to five free sections per year.Download the application. To enroll in paid sections online, log onto your My Bar Page at texasbar. Com and click Join Sections. For immediate enrollment, please log onto your My Bar Page at texasbar. The State Bar's oldest Section, the Oil, Gas and Energy Resources Law Section has more than 2,400 members. The only book of its kind devoted exclusively to Texas oil and gas law; combines the text of relevant laws, regulations, and rulings with expert comme. The University of Texas School of Law The Oil, Gas and Energy Resources Law Section of the State Bar of Texas (OGERL). Texas. Memberships. State Bar of Texas, Corporate Counsel Section, 2013-Present; State Bar of Texas, Oil, Gas and Energy Resources Law Section, 2013-Present.