A Technical Overview of API’s Bulletin on Strength Calculations for Oilfield Tubulars API Bull 5C2-1999, titled Bulletin on Performance Properties of Casing, Tubing, and Drill Pipe, is a key reference document issued by the American Petroleum Institute (API). It provides…

A Comprehensive Technical Guide to Testing Dimensional Stability of Oil-Well Cement Slurries Under Atmospheric Conditions In oil and gas well construction, the long-term integrity of the cement sheath is critical for zonal isolation and wellbore stability. Shrinkage or expansion of…

Technical Guide to Cement Dimensional Stability Testing for Well Integrity This article provides a technical overview of ANSI API RP 10B-5-2005 (2015), a recommended practice that establishes a standardized method for determining the shrinkage and total expansion of cement systems…

Guidelines for Integrity Management of Mooring Components in Offshore Floating Units API Bull 2U-2004 (Bulletin on In-Service Inspection of Mooring Hardware for Floating Production Systems) provides recommended practices for planning, executing, and documenting inspections of mooring components used in floating…

Scope, Technical Requirements, and Compliance Implications of the API Bulletin on Flat Plate Design Scope and Application API Bull 2V-2004 (2008), titled Bulletin on Design of Flat Plate Structures, provides supplementary design guidance for flat plate elements used in offshore…

Guidelines for Design, Testing, and Inspection of Mooring Chain Systems Scope and Purpose API Bull 2S-1995 (2001) is a technical bulletin issued by the American Petroleum Institute (API) that provides supplementary guidance on the application, testing, and inspection of offshore…

Design, Manufacturing, and Compliance Recommendations for Composite Tanks in Hydrocarbon Service Introduction and Scope API Bull 2TD-2006, titled Bulletin on Composite Tanks for Oil and Gas Production Facilities, provides essential guidelines for the specification, design, manufacture, installation, and testing of…

A Comprehensive Analysis of Interim Guidance for Environmental Loading Criteria Scope and Rationale of API Bull 2INT-MET-2007 API Bull 2INT-MET-2007, officially titled “Interim Guidance on the Use of Metocean Data for Offshore Structure Design,” was issued by the American Petroleum…

Technical Overview of the Errata and Its Role in Applying API RP 2A-WSD 1. Scope and Purpose API Bull 2INT-MET-2007 errata-2007 is an official bulletin issued by the American Petroleum Institute (API) that provides interim guidance for the use of…

A Comprehensive Analysis of Interim Guidance for Environmental Loading Criteria Scope and Rationale of API Bull 2INT-MET-2007 API Bull 2INT-MET-2007, officially titled “Interim Guidance on the Use of Metocean Data for Offshore Structure Design,” was issued by the American Petroleum…

Technical Overview of the Errata and Its Role in Applying API RP 2A-WSD 1. Scope and Purpose API Bull 2INT-MET-2007 errata-2007 is an official bulletin issued by the American Petroleum Institute (API) that provides interim guidance for the use of…

Essential Guidance for Structural Engineers in Offshore Design and Assessment Scope of API Bull 2INT-DG-2007 API Bull 2INT-DG-2007 (Bulletin on Dynamic Amplification Factors for Fixed Offshore Structures) provides industry-consensus guidance for determining dynamic amplification factors (DAFs) applicable to fixed steel…

Technical Overview and Compliance Recommendations for the API Bulletin on Assessing Existing Structures for Extreme Environmental Events Scope of API Bull 2INT-EX-2007 API Bull 2INT-EX-2007, titled Interim Guidance for the Assessment of Existing Structures for Extreme Events, is a bulletin…

Comprehensive Guide to Slurry Pumpability Testing Under Simulated Downhole Conditions Scope and Purpose ANSI API RP 10B-3-2004 (2015), officially titled “Recommended Practice on the Determination of Thickening Time of Oilwell Cements,” is a key document within the API 10B series…

API Bulletin 2HINS provides essential recommended practices for the in-service inspection of mooring components to ensure operational safety and structural integrity. Scope and Purpose of API Bull 2HINS-2009 API Bulletin 2HINS-2009 (Bull 2HINS) is a guidance document published by the…

Understanding the Historical Standard for Flange Spacing to Ensure Safe Access and Bolt Integrity in Refinery Piping Systems Scope and Purpose API Bulletin 2516, first issued in 1962 and reaffirmed in 2000, provides recommended minimum spacing between adjacent flanges and…

A technical deep dive into measuring static gel strength to mitigate gas migration in well cementing Static gel strength (SGS) is a critical property of oil-well cement slurries that directly influences the risk of gas migration after cement placement. The…