API Publ 3855 WITS - Wellsite Information Transfer Specification standard by American Petroleum Institute, 07/01/1991
API Std 527 (R2007) Seat Tightness of Pressure Relief Valves standard by American Petroleum Institute, 07/01/1991
API RP 17C Recommended Practice on TFL (Through Flowline) Systems standard by American Petroleum Institute, 07/01/1991
API DR 141 Global Emissions of Carbon Dioxide from Petroleum Sources standard by American Petroleum Institute, 07/01/1991
API MPMS Chapter 6.7 (R2018) Metering Assemblies: Metering Viscous Hydrocarbons, Second Edition Handbook / Manual / Guide by American Petroleum Institute, 05/01/1991
API MPMS Chapter 6.1 (R2012) Metering Assemblies: Lease Automatic Custody Transfer (LACT) Systems Handbook / Manual / Guide by American Petroleum Institute, 05/01/1991
API MPMS Chapter 6.6 (R2017) Metering Assemblies: Pipeline Metering Systems Handbook / Manual / Guide by American Petroleum Institute, 05/01/1991
API MPMS Chapter 6.5 (R2018) Metering Assemblies: Metering Systems for Loading and Unloading Marine Bulk Carriers Handbook / Manual / Guide by American Petroleum Institute, 05/01/1991
API MPMS Chapter 14.4 (R2012) Natural Gas Fluids Measurement: Converting Mass of Natural Gas Liquids and Vapors to Equivalent Liquid Volumes Handbook / Manual / Guide by American Petroleum Institute, 04/01/1991
API RP 1107 [ Withdrawn ] Pipeline Maintenance Welding Practices standard by American Petroleum Institute, 04/01/1991
API MPMS Chapter 14.6 (R2012) Natural Gas Fluids Measurement: Continuous Density Measurement Handbook / Manual / Guide by American Petroleum Institute, 04/01/1991
API RP 1124 (R1995) [ Withdrawn ] Ship, Barge, and Terminal Hydrocarbon Vapor Collection Manifolds standard by American Petroleum Institute, 03/01/1991