PR350-234508-R01 Technology Transfer Fitness-for-Service Standard API 579-1 ASME FFS-1 Author(s)Yong-Yi Wang, Jiawei Wang, Dan JiaAuthoring InstitutionCenter for Reliable Energy Systems, LLCRelease Date October 27, 2025 This project is intended to facilitate the technology transfer from PRCI research results and ... More Info
PR214-233810-R01 Revised PRCI Pipeline and Facility Threat Categories Author(s)Stuart GuestAuthoring InstitutionBMT Canada Ltd.Release Date October 22, 2025 This report describes the update to Pipeline Research Council International (PRCI) threat ... More Info
PR719-243812-Z01 Addendum to API 1163 Performance Validation Guidelines Crack and Dent Author(s)Jason SkowAuthoring InstitutionIntegral EngineeringRelease Date October 21, 2025 The addendum summarizes additions to the Microsoft Excel Spreadsheet ... More Info
PR350-234508-R01 Technology Transfer Fitness-for-Service Standard API 579-1 ASME FFS-1 Author(s) Yong-Yi Wang, Jiawei Wang, Dan Jia Research Contractor Center for Reliable Energy Systems, LLC Release DateOctober 27, 2025 This project is intended to facilitate the technology transfer from PRCI research results and other published work to the fitness-for-service (FFS) standard API 579-1/ASME FFS-1. The covered PRCI research results include: (1) crack/flaw interaction rules and (2) fatigue crack growth rates as ... More Info
PR214-233810-R01 Revised PRCI Pipeline and Facility Threat Categories Author(s) Stuart Guest Research Contractor BMT Canada Ltd. Release DateOctober 22, 2025 This report describes the update to Pipeline Research Council International (PRCI) threat categories, originally described in L51885 and L52317 for primarily onshore gas pipelines. The update was completed by reviewing threat categories published in Australia, Canada, Europe, and the USA. PRCI ... More Info
PR719-243812-Z01 Addendum to API 1163 Performance Validation Guidelines Crack and Dent Author(s) Jason Skow Research Contractor Integral Engineering Release DateOctober 21, 2025 The addendum summarizes additions to the Microsoft Excel Spreadsheet tool developed in project number IM-1-06 for the practical implementation of the measurement performance validation methodology outlined in the API RP 1163 2021 Edition (API 1163-2021). The addendum ... More Info
Free download for members HERE. PR244-21701-R01 Advancement of Through-tubing Inspection for Underground Gas Storage Wells Author(s) Mark Stephens Research Contractor CFER Release DateOctober 10, 2025 Maintaining the integrity of well casing in underground gas storage (UGS) wells is a significant challenge for operators, as undetected corrosion can lead to safety risks and operational failures. Existing inspection technologies, particularly through-tubing (TT) inspection tools, offer practical ... More Info
PR244-231111-R01 Implementing Fiber Optic Technology for Underground Gas Storage Well Monitoring Author(s) Gang Tao, Christopher Apps, Lu Sun Research Contractor C-FER Technologies Release DateOctober 10, 2025 Conventional well integrity inspection requires frequent well entry, which not only introduces additional well integrity risks due to the invasive nature of the workover activities but also adds significant cost to the inspection process. Taking active underground gas storage (UGS) wells out of ... More Info
Free download for members HERE. PR186-233809-R01 Hydrogen Cracking Integrity Management Evaluation Author(s) John Godfrey, Tom Bubenik, John Beavers, Tara McMahan Research Contractor DNV USA (contractor) Release DateOctober 2, 2025 This report describes what is understood by the pipeline industry concerning the hydrogen cracking mechanisms of hydrogen blistering and hydrogen embrittlement. Based upon the industry’s understanding and case studies reviewed, in-line inspection (ILI) strategies for two hydrogen-related ... More Info
Free download for members HERE. PR771-242005-R01 Selective Catalytic Reduction Best Practices Author(s) Dan Ott Research Contractor Environex, Inc. Release DateOctober 1, 2025 This document serves as a guide to best practices and lessons learned when installing Selective Catalytic Reduction (SCR) systems to gas compressors. The information is relevant to both reciprocating and turbine compressors both as new construction and retrofit. Gas ... More Info
Free download for members HERE. PR214-234504-R01 Post-Heating and Interpass Control as Alternative to Delayed Nondestructive Examination Author(s) Stuart Guest, Vlado Semiga Research Contractor BMT Canada Ltd. Release DateSeptember 25, 2025 This report describes the work undertaken to numerically model the hydrogen diffusion in in-service fillet welds across a wide variety of pipe attributes, welding conditions, and thermal conditions. The document includes recommendations for post-welding nondestructive examination (NDE) delay times ... More Info
Free download for members HERE. PR310-233903-R01 Internal and External Leak Detection Technology Test Facility Feasibility Assessment Author(s) Nolan Gajeski Research Contractor Baker Engineering & Risk Release DateSeptember 23, 2025 This report describes and documents the feasibility of constructing and maintaining a leak detection facility at various testing facilities currently in operation. It also documents the industry’s current leak detection capabilities, as well as gaps in the current test facilities’ ... More Info
Free download for members HERE. PR445-243900-R01 Desktop Review and Gap Analysis of Remote and Continuous Scour Monitoring Technologies Author(s) Alexander McKenzie-Johnson, Bailey Theriault Research Contractor Geosyntec Consultants, Inc. - 616 Release DateSeptember 20, 2025 This report is the final report for the desktop assessment of technologies that may be suitable for use in scour monitoring for pipelines water crossings. The results of this project are intended to be used to assist the Pipeline Operators in selecting and implementing technologies and approaches ... More Info
Free download for members HERE. PR015-23603-R01 Remediation Options for Negative Installation Effects Author(s) Adam Hawley, Jake Nowlin Research Contractor Southwest Research Institute Release DateSeptember 5, 2025 This project evaluated different options to remediate the effects of velocity profile disturbances on the performance of ultrasonic flow meters. The project focused on practical and cost-effective remediation approaches that could be applied to existing installations with a default AGA-9 meter ... More Info
Free download for members HERE. PR461-21604-R01 Study of Rag Layer Formation in Different Types of Crude Oils Author(s) Natalia Montoya Sanchez, Heather Kaminsky, Kessmar Manahan Research Contractor The Northern Alberta Institute of Technology - Applied Research Centre for Oil Sands Sustainability Release DateJuly 28, 2025 Water-in-oil emulsions, known as rag layers, pose significant challenges during crude oil custody transfer operations by interfering with accurate volume measurements and composition analysis. This study investigates the formation of rag layers during sediment and water (S&W) centrifugation ... More Info
Free download for members HERE. PR676-233801-R09 Pipe Vulnerability Analysis Methodology Author(s) Kachi Ndubuaku Research Contractor Stantec Release DateJuly 1, 2025 Continuous buried pipelines are generally required to traverse long distances and as such, inevitably pass through unstable landforms which may impart critical levels of stress beyond the intrinsic capacity of the pipelines. The deformational response of buried pipelines subject to relative ground ... More Info
Free download for members HERE. PR179-242000-R01 Evaluating Grease Performance for In-Situ Valve Repairs Author(s) Colin Slunecka, Daniel Olsen, Rachel Lorenzen Research Contractor Colorado State University Release DateJune 30, 2025 This project explores the use of sealants for in-situ valve repair. An experimental apparatus was designed and fabricated for evaluating valve leak repair. A controlled leak was created on a 6” ball valve and the sealing capability of multiple sealants was evaluated. More Info
Free download for members HERE. PR676-233801-R03 Circumferential Crack Hazard POF Analysis Process Author(s) James Ferguson Research Contractor Stantec Release DateJune 30, 2025 Pipelines that traverse areas of active ground movement may be subject to Tensile Strain Demand (TSD) due to soil-pipe interaction. Independently, the pipe may have locations with reduced Tensile Strain Capacity (TSC) stemming from construction practices or due to pre-existing pipe wall defects, ... More Info
Free download for members HERE. PR350-214509-R01 Test Options for Enhanced Welding Procedure Qualification Author(s) Dan Jia, Yong-Yi Wang, Banglin Liu, Jiawei Wang, Xiaotong Chen Research Contractor Center for Reliable Energy Systems, LLC Release DateJune 30, 2025 There have been a number of notable girth weld failures in newly constructed pipelines in North America, Asia, and South America. The primary contributors to the North America incidents have been identified as (1) weld strength undermatching, (2) heat-affected zone softening, and (3) elevated ... More Info
Free download for members HERE. PR283-22205-R01 Field Validation of a Total Emissions Efficiency Factor Author(s) Cody Allen, Ivan Carlos Research Contractor Solar Turbines, Inc. (research contractor) Release DateJune 30, 2025 Continued interest in emissions factors and operational optimization have led to a combined fac-tor, called the Total Emissions Efficiency (TEE) Score. The TEE Score considers dry low emis-sions operation, power to fuel relationships and compressor recycle, distilled into a single Key Performance ... More Info
Free download for members HERE. PR186-234503-E01 Summary of Substantive Changes between API 1104 Twenty-first and Twenty-second Editions Author(s) Melissa Gould, Matt Boring, Bill Bruce Research Contractor DNV USA (contractor) Release DateJune 26, 2025 The application of requirements contained in many industry codes and standards requires some interpretation by the user and by the regulator who is called upon to enforce their use. There are often differences in the way requirements are interpreted because of unclear rationale behind the ... More Info
Free download for members HERE. PR445-233902-R01 Operating Range of Vibrating Wire Strain Gauge for Pipeline Monitoring Author(s) Ali Ebrahimi, Suraj Khadka Research Contractor Geosyntec Consultants Release DateMay 27, 2025 This report details the laboratory testing program conducted to assess the operating range of the spot-weldable vibrating wire (VW) strain gauges with a specific focus on most commonly used strain gauges for pipeline monitoring. These strain gauges are commonly used by the pipeline operators for ... More Info
Free download for members HERE. PR335-223809-R01 Evaluation of XRCT for Pipe Sample Flaw Characterization Author(s) David Stone Research Contractor Structural Integrity Associates, Inc. Release DateMay 22, 2025 This research report seeks to advance the industry’s knowledge and understanding of CT for pipeline applications. Multiple pipeline samples with various crack and crack-like features commonly found in gas transmission and hazardous liquid pipelines were examined with non-destructive ... More Info