Foreword a. This recommended practice is under the jurisdiction of the API Committee on Standardization of Tubular Goods. b. The statements on corrosion of casing and tubing as given herein@ were developed with the cooperation of the Technical Products Committee on Corrosion of Oil and Gas Well Equipment@ National Association of Corrosion Engineers. c. Other specifications and recommended practices under the jurisdiction of the API Committee on Standardization of Tubular Goods.