API SPEC 17D (R2018) ERRATA 9

Design and Operation of Subsea Production Systems – Subsea Wellhead and Tree Equipment, Second Edition
Amendment by American Petroleum Institute, 07/01/2021

API Std 609

Butterfly Valves: Double-flanged, Lug- and Wafer-type, and Butt-welding Ends, Ninth Edition
standard by American Petroleum Institute, 04/01/2021

API TR 934-J

Inspection, Assessment, and Repair of Coke Drums and Peripheral Components in Delayed Coking Units
standard by American Petroleum Institute, 09/01/2021

API RP 934-A Errata 1

Errata for Materials and Fabrication of 2-1/4Cr-1Mo, 2 1/4Cr-1Mo-1/4V, 3Cr-1Mo, and 3Cr-1Mo-1/4V Steel Heavy Wall Pressure Vessels for High-temperature, High Pressure Hydrogen Service, Third Edition
Amendment by American Petroleum Institute, 09/01/2021

API RP 19D

Recommended Practice for Measuring Conductivity of Proppants
standard by American Petroleum Institute, 11/01/2021

API RP 5MT

Pipeline Inspection Documents for Material Traceability and Electronic Test Reports
standard by American Petroleum Institute, 09/01/2021

API MPMS Chapter 4.6

MPMS Chapter 4.6: Pulse Interpolation
Handbook / Manual / Guide by American Petroleum Institute, 10/01/2021

API Std 1163

In-line Inspection Systems Qualification Standard, Third Edition
standard by American Petroleum Institute, 09/01/2021

API RP 8B Addendum 2

Addendum to Inspections, Maintenance, Repair and Remanufacture of Hoisting Equipment, Eighth Edition
Amendment by American Petroleum Institute, 07/01/2021

API RP 751

Safe Operation of Hydrofluoric Acid Alkylation Units, Fifth Edition
standard by American Petroleum Institute, 08/01/2021