Free download for members HERE. PR335-233813-R01 Prioritization Methodology for Hard Spot Manufacturing Anomalies Author(s)Tyson Manning, Thomas Prewitt, Scott Riccardella, Pete RiccardellaAuthoring InstitutionStructural Integrity Associates, Inc.Release Date May 7, 2025 This report describes a methodology for evaluating pipelines containing hard spot manufacturing ... More Info
Free download for members HERE. PR350-233804-R01 Comprehensive Review of SSWC Assessment Author(s)Yong-Yi Wang, Jiawei WangAuthoring InstitutionCenter for Reliable Energy Systems, LLCRelease Date April 16, 2025 Selective seam weld corrosion (SSWC) is a form of corrosion attack that preferentially occurs ... More Info
Free download for members HERE. PR-000-25BDL-001 Reciprocating Engine Exhaust Methane Slip Reduction - Compilation and Final Reports Author(s)Various AuthorsAuthoring InstitutionPipeline Research Council InternationalRelease Date April 15, 2025 The compilation report, prepared under CPS-14-09 included in the bundle, summarizes the research ... More Info
Free download for members HERE. PR335-233813-R01 Prioritization Methodology for Hard Spot Manufacturing Anomalies Author(s) Tyson Manning, Thomas Prewitt, Scott Riccardella, Pete Riccardella Research Contractor Structural Integrity Associates, Inc. Release DateMay 7, 2025 This report describes a methodology for evaluating pipelines containing hard spot manufacturing anomalies and prioritizing such anomalies identified from In-Line Inspection (ILI). It is reported here to evaluate and enhance ILI tool technology and analysis capability to reliably detect, size, and ... More Info
Free download for members HERE. PR350-233804-R01 Comprehensive Review of SSWC Assessment Author(s) Yong-Yi Wang, Jiawei Wang Research Contractor Center for Reliable Energy Systems, LLC Release DateApril 16, 2025 Selective seam weld corrosion (SSWC) is a form of corrosion attack that preferentially occurs along the weld bond line/fusion zone of linepipes. SSWC is an integrity threat mainly for vintage pipes, particularly those manufactured before 1970 using ERW (DC-ERW and LF-ERW) and flash welding. SSWC ... More Info
Free download for members HERE. PR-000-25BDL-001 Reciprocating Engine Exhaust Methane Slip Reduction - Compilation and Final Reports Author(s) Various Authors Research Contractor Pipeline Research Council International Release DateApril 15, 2025 The compilation report, prepared under CPS-14-09 included in the bundle, summarizes the research funded and supervised by the Compressor and Pump Station Technical Committee as part of the PCC Roadmap and GHG SRP. The CPS-17-08 Reciprocating Engine Exhaust Methane Slip Reduction project ... More Info
Free download for members HERE. PR179-23204-R01 Design and Testing of a Multi-Nozzle PCC on a GMV4 LB NG Engine Author(s) Greg Vieira, Daniel Olsen Research Contractor Colorado State University Release DateApril 9, 2025 Methane slip from large-bore, two-stroke, natural gas engines contribute significantly to green-house gas emissions. Optimizing the design and functionality of pre-combustion chambers is one potential solution to reducing these emissions. The objective of the study was to optimize a pre-combustion ... More Info
Free download for members HERE. PR457-22209-R01 Feasibility Study of the Premixing of PCC Fuel and Air to Reduce GHG Emissions Author(s) Troy Hrehor, Timothy Jacobs, Mark Patterson Research Contractor Texas A&M University Release DateApril 9, 2025 The large-bore, slow-speed, two-stroke natural gas engines that frequently power natural gas pipelines are the subjects of increasingly stringent emissions standards, particularly those targeting emissions of oxides of nitrogen (NOx) and greenhouse gases (GHGs) such as methane and carbon dioxide. ... More Info
Free download for members HERE. PR457-23203-R01 Investigation of Supersonic Prechamber Jets Author(s) Kyle Beurlot, Timothy Jacobs Research Contractor Texas A&M University Release DateApril 9, 2025 Lean-burning, large-bore two-stroke natural gas engines have long been essential elements of the North American natural gas pipeline system and will continue to play a crucial role in natural gas transportation for the foreseeable future. However, with increasing pressure to reduce emissions, ... More Info
Free download for members HERE. PR703-242003-R01 PCC Roadmap Compilation Report Author(s) Timothy Jacobs, Daniel Olsen Research Contractor Texas A&M University Release DateMarch 26, 2025 This report summarizes recent precombustion chamber research for lean burn two-stroke natural gas engines. Projects carried out under the existing precombustion chamber roadmap are described. The precombustion chamber roadmap is analyzed to assess the status and effectiveness of roadmap projects. ... More Info
Free download for members HERE. PR457-242002-R01 Hydrogen and Natural Gas Mixtures in 2 Stroke Engines for Methane Reductions Author(s) Kyle Beurlot, Timothy Jacobs Research Contractor Texas A&M University Release DateFebruary 26, 2025 Large-bore natural gas two-stroke engines with lean-burn technology have been integral to the North American pipeline network for many years and will remain crucial for future gas transportation. As research focuses on achieving lower lean ignition limits, pre-combustion chambers have gained ... More Info
Free download for members HERE. PR350-224502-R02 Managing Longitudinal Stresses from Uneven Support and Settlement Author(s) Dan Jia, Yong-Yi Wang, Dave Warman, Alex Wang Research Contractor Center for Reliable Energy Systems, LLC Release DateFebruary 10, 2025 High longitudinal stresses in pipelines can be a major contributor to failures of girth welds and circumferentially oriented flaws. These high stresses are frequently associated with construction and maintenance activities, such as excavation and backfill in new construction, pipe replacement, and ... More Info
Free download for members HERE. PR015-242001-R01 Gas Turbine Driven Centrifugal Compressor Roadmap Author(s) Francesco Di Sabatino Research Contractor Southwest Research Institute Release DateJanuary 14, 2025 This report outlines the proposed roadmap projects across a variety of research topics from emissions to reliability to system monitoring of gas turbine-driven gas compressions stations. The background and the scope of work of each proposed project are presented. More Info
Free download for members HERE. PR676-233801-R01 The State of the Art Pipeline Risk Assessment for Crack Management Author(s) Jason Skow Research Contractor Integral Engineering Release DateJanuary 8, 2025 Pipeline Research Council International Inc. (PRCI)’s Crack Management SRP has identified that circumferential cracking is a challenge for pipeline operating companies. The objective of this work was to create a framework to identify, assess and mitigate the risk due to circumferential ... More Info
Free download for members HERE. PR000-22605-Z03 Standardized Method for Calculating Lost and Unaccounted Author(s) Gary Choquette, Terrence Grimley Research Contractor Pipeline Research Council International, Grimley Measurement Consulting LLC Release DateJanuary 7, 2025 This report describes the various methods for calculating lost and unaccounted for gas and liquid in measurement accounting systems used in transportation via pipelines. A recommendation is made for a standardized approach. The approach is suitable for entire pipeline systems as well as ... More Info
Free download for members HERE. PR229-203604-Z01 Pipeline CP Monitoring Using Real Time Current Measurement Author(s) Dale Lindemuth Research Contractor Corrpro Companies, Inc. Release DateDecember 28, 2024 The combined deliverables provide tools for incorporating real time pipe current measurements into a remote monitoring protocol to help in an integrated external corrosion management plan for cathodically protected pipelines. The use of continuous remotely collected pipe current measurements ... More Info
Free download for members HERE. PR015-23206-R01 Centrifugal Compressor Station Efficiency Optimization Author(s) Kelsi Katcher, Abhay Patil, Reese Roddy, Subhra Shankha Koley Research Contractor Southwest Research Institute Release DateNovember 20, 2024 The Compressor & Pump Station Technical Committee of Pipeline Research Council International (PRCI) has identified a need to reduce fuel and energy consumption at centrifugal compressor stations by improving the operating efficiency of centrifugal compressors at off-design conditions. It is ... More Info
Free download for members HERE. PR352-23601-R01 Literature Review of USM OEM Diagnostics and Evaluate Certain Abnormal Flow Conditions Author(s) Rick Rans Research Contractor RANSolutions Ltd. Release DateNovember 12, 2024 This report describes the ultrasonic meter manufactures’ diagnostic ratios used to quantify operating changes and describes any major differences in how the meter design affects these ratios. These comparisons are summarized in a simple comparison table along with a table of manufacturer ... More Info
Free download for members HERE. PR179-22206-R01 Prechamber Air and Fuel Premixing Proof of Concept Author(s) Greg Vieira, Daniel Olsen Research Contractor Colorado State University Release DateOctober 30, 2024 This study investigates the feasibility of injecting a premixed air and fuel charge into the precombustion chamber (PCC) of a Cooper-Bessemer GMV-4TF 2-stroke lean-burn natural gas engine. The primary ob-jectives are to enhance combustion stability, reduce emissions, and address the challenges ... More Info
Free download for members HERE. PR244-231500-R01A Pipeline Risk Management Roadmap - Public Author(s) Riski Adianto Research Contractor C-FER Technologies Release DateOctober 22, 2024 Risk management has been recognized as an essential decision-making tool in the pipeline industry over the past decade. However, there are still knowledge and process gaps that prevent broader implementation by industry stakeholders. The work described herein generated a gap analysis on risk ... More Info
Free download for members HERE. PR179-21205-R01 Methane Abatement from LB NG 2-Stroke Cycle Engines Through In-Cylinder Modifications Author(s) Greg Vieira, Titilope Banji, Rachel Lorenzen, Daniel Olsen Research Contractor Colorado State University Release DateOctober 21, 2024 There are over 7000 of large bore integral compressor engines distributed along the interstate and intrastate natural gas pipelines in the United States for gas compression. Methane emissions from large bore engines stem primarily from poor combustion efficiency. This study aims to improve the ... More Info
Free download for members HERE. PR676-233801-R02 Pipeline Reliability Thresholds Author(s) Jason Skow Research Contractor Integral Engineering Release DateOctober 8, 2024 Pipeline Research Council International Inc. (PRCI)’s Crack Management SRP has identified that circumferential cracking is a challenge for pipeline operating companies. The objective of PRCI NDE-4-24 was to create a framework to identify, assess and mitigate the risk due to circumferential ... More Info
Free download for members HERE. PR214-213800-R01 Evaluation of API RP 1183 Dent Fatigue Analyses using In-Service Dents Data Author(s) Sanjay Tiku, Arnav Rana, Binoy John Research Contractor BMT Canada Ltd. Release DateOctober 3, 2024 The objective of this project is to validate the existing mechanical damage (MD) assessment and management tools based on in-service field dents data provided by pipeline operators. The data provided included in-line inspection (ILI), dent geometry data, operating pressure history data and ... More Info