W. Va. Code § 22-8-1: Scope of article.

Every person, corporation or company now engaged, or which shall hereafter engage, in the business of transporting or storing petroleum, by means of pipeline or lines or storage by tanks, shall be subject to the provisions of this article and shall conduct such business in conformity herewith: Provided, That the provisions of this article shall be subject to all federal laws regulating interstate commerce on the same subject.