The Online Membership Directory provides basic information about Attorneys licensed to practice in Texas. The State Bar of California has been both the State agency which regulates the practice of law and the professional association for attorneys since 1927.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 commentary. Enter Attorney Name or Bar Number Search. Include similar sounding names. For immediate enrollment, please log onto your My Bar Page at texasbar. Com and click Join Sections. Oil and gas rights expand downward in the property line. State Bar of Texas, Oil, Gas and Energy Law Section, 1980-Present; Houston Bar Association, Oil, Gas and Mineral Law Section, 1980-Present. Cedar Creek, Texas, United States.