API Spec 11D1 Addendum 1 Addendum 1 to Packers and Bridge Plugs, Fourth Edition Amendment by American Petroleum Institute, 04/01/2022
API RP 17Y Recommended Practice for Design, Testing, and Qualification of Subsea Chemical Injection Delivery Systems, First Edition standard by American Petroleum Institute, 04/01/2022
API RP 16ST Addendum 1 Addendum 1 (2022) to Coiled Tubing Well Control Equipment Systems, Second Edition, Includes Amendment by American Petroleum Institute, 02/01/2022
API Spec 19G1 Addendum 1 Addendum to Side-pocket Mandrels, Second Edition Amendment by American Petroleum Institute, 10/01/2021