Category API Standards

Comprehensive Technical Guide to Testing Protocols and Compliance for Oil Spill Dispersant Environmental Impact Assessment 1. Scope and Purpose of API Publ 4262-1990 API Publication 4262-1990 provides a standardized laboratory protocol for evaluating the acute and sublethal effects of oil…

Comprehensive Overview of the American Petroleum Institute’s Technical Publication on Oxygenated Fuel Blends 1. Scope and Purpose of API Publ 4261‑2001 API Publication 4261, second edition (2001), provides a comprehensive technical assessment of alcohols and ethers when used as blending…

A comprehensive review of solids control, equipment design, and operational best practices for drilling fluid systems Scope and Background API Publ 31101-1993, titled Drilling Fluids Processing: A Review of the Technology and Literature, is a seminal publication by the American…

Technical Guide to the API Standard for Reid Vapor Pressure (RVP) Testing API Publication 2558 (1993, reaffirmed 2001) provides a standardized method for measuring the vapor pressure of petroleum products under controlled laboratory conditions. Known as the Reid Vapor Pressure…

A comprehensive review of the publication’s guidelines for buried pipeline design, installation, and operational integrity API Publ 2566-2004, issued by the American Petroleum Institute, provides state-of-the-art guidance for the design, installation, and operation of buried pipelines. As a publication (not…

| Seal Type | Tank Type | Emission Factor (lb/yr-ft diameter) | Performance Level | |—|—|—|—| | Primary, Mechanical Shoe | External FR | X | Moderate | | Primary, Liquid-mounted Resilient | External FR | X | Good |…

Evaluating the Structural Effects of Ovality on Buckling Resistance and Allowable Pressure in Cylindrical Shells 1. Purpose and Scope of API Publ 2524 API Publication 2524, formally titled “Effect of Out-of-Roundness on Pressure Vessels,” was first issued in August 1992…

Scope and Purpose API Publication 2517, first issued in 1989 and amended by the 1994 Addendum, provides a standardized methodology for estimating evaporation losses from external floating-roof tanks storing volatile liquids. The document supersedes earlier API bulletins and remains a…

* FAQ: ` Q:…A:… `. | Variable | Symbol | Unit | Description | |—|—|—|—| | Vapor Pressure | P | psia | True vapor pressure of the stock liquid at the storage temperature | | Molecular Weight | M…

Understanding the Methodology for Estimating Hydrocarbon Vapor Emissions from Fixed-Roof Storage Tanks Scope and Purpose of API Publication 2514A API Publication 2514A, originally issued in 1981 and reaffirmed in 1987, provides a standardized methodology for estimating hydrocarbon evaporation losses from…