Tex. Natural Resources Code § 111.137

On its own initiative without complaint, and after proper notice and hearing, as provided by law the commission may authorize or require by order any common carrier owning or operating pipelines in this state or owning, operating, or managing crude petroleum storage tanks or facilities for the public for hire, to extend or enlarge those pipelines or storage facilities if the extension or enlargement is found to be reasonable and required in the public interest and the expense involved will not impair the ability of the common carrier or public utility to perform its duty to the public.