Wilson E. Speir Attorney General of Texas — Opinion. December 21, 1978 JOHN L. HILL, Attorney General of Texas Honorable Wilson E. Speir Director Texas Department of Public Safety 5805 N. Lamar Blvd. Austin, Texas 78773 Re: Whether certain materials constitute oil field equipment for purposes of article 911b, section 1(i), V.T.C.S. Dear Mr. Speir: […]