Free download for members HERE. PR-015-19603-R01 Practical Effects of Rough-Walled Pipe in Gas Metering Applications Author(s)Terry GrimleyAuthoring InstitutionSouthwest Research InstituteRelease Date August 3, 2020 The influence of upstream pipe roughness on the performance of multipath ultrasonic flow meters ... More Info
Free download for members HERE. PR-350-144502-R01 Assessment of Cracks Clusters with Intelligent Interaction Author(s)Bo WangAuthoring InstitutionCenter for Reliable Energy Systems, LLCRelease Date August 3, 2020 This project developed intelligent flaw interaction rules that can account more accurately the ... More Info
Free download for members HERE. PR-157-134-R03 Qualitative Analysis of Compressor Station Emissions other than Criteria Pollutants Author(s)C. Castaldini, L.R. WaterlandAuthoring InstitutionAcurex CorporationRelease Date July 24, 2020 Field testing and subsequent laboratory analyses to determine noncriteria pollutant emissions were ... More Info
Free download for members HERE. PR-015-19603-R01 Practical Effects of Rough-Walled Pipe in Gas Metering Applications Author(s) Terry Grimley Research Contractor Southwest Research Institute Release DateAugust 3, 2020 The influence of upstream pipe roughness on the performance of multipath ultrasonic flow meters was examined through a cursory literature review and an examination of experimental test data supplied by the natural gas industry. The results of these efforts were used to develop a recommendation for ... More Info
Free download for members HERE. PR-350-144502-R01 Assessment of Cracks Clusters with Intelligent Interaction Author(s) Bo Wang Research Contractor Center for Reliable Energy Systems, LLC Release DateAugust 3, 2020 This project developed intelligent flaw interaction rules that can account more accurately the impact of multiple cracks without being overly conservative. These rules use the principles of equivalent impact among multiple interacting cracks and represent the magnitude of the impact by a single ... More Info
Free download for members HERE. PR-157-134-R03 Qualitative Analysis of Compressor Station Emissions other than Criteria Pollutants Author(s) C. Castaldini, L.R. Waterland Research Contractor Acurex Corporation Release DateJuly 24, 2020 Field testing and subsequent laboratory analyses to determine noncriteria pollutant emissions were conducted on seven gas transmission pipeline sources. The sources tested were a two-stroke turbocharged engine, a two-stroke "Clean Burn" engine, a four-stroke naturally aspirated engine, a ... More Info
Free download for members HERE. PR-457-18204-R02 Variable Fuel Effects on Legacy Compressor Engines Phase V Engine Control Enhancement Author(s) Taylor Linker, Timothy Jacobs Research Contractor Texas A&M University Release DateJuly 23, 2020 Variations in natural gas composition not only change bulk properties like heating value and adiabatic flame temperature, but also affect the reactivity of the gas during combustion in legacy compressor engines. Gas blends with high amounts of non-methane hydrocarbons are more reactive and alter ... More Info
Free download for members HERE. PR-201-084504-R01 Long-Term Composite Repair Study - Burst Test Author(s) Colton Sheets Research Contractor Stress Engineering Services Release DateJuly 10, 2020 Stress Engineering Services, Inc. (SES) was contracted by Pipeline Research Council International, Inc. (PRCI) to perform a study examining the long-term performance of composite repairs used for pipeline applications. The project reported here (PRCI study MATR-3-4 Long-term Composite Repair ... More Info
Free download for members HERE. NG-18-13-R01 A Study of the Effect of Manufacturing Variables on the Properties of Line-Pipe Steels - 1964 Author(s) F. Boulger, w. Hansen Research Contractor Battelle Release DateJuly 10, 2020 The previous report on this project contained information on the effects of certain manufacturing variables on the strength and fracture toughness of laboratory line-pipe steel. Since the earlier report, additional steels and manufacturing variables have been investigated. This report presents the ... More Info
Free download for members HERE. NG-18-13-R02 A Study of the Effect of Manufacturing Variables on the Properties of Line-Pipe Steels - 1966 Author(s) F. Boulger, w. Hansen Research Contractor Battelle Release DateJuly 10, 2020 This is the third phase report on this project. Previous phase reports contained information on the effects of certain manufacturing variables on the strength and fracture toughness of line-pipe steels made in the laboratory. Since the previous reports, additional steels have been melted and ... More Info
Free download for members HERE. PR-003-ASCE-R01 Analysis of Strain-Gage Data on Simulated Uncased Pipeline Highway and Railroad Crossings Author(s) E.C. Rodabaugh, E.J. Mills, T.J. Atterbury, G. McClure Research Contractor Battelle Release DateJuly 10, 2020 In order to provide experimental data for evaluating the problem of uncased pipeline crossings, the Association of American Railways Laboratories conducted an extensive series of tests on 8- and lZ-in. uncased pipe in which representative external loads and internal pressures were applied both ... More Info
Free download for members HERE. PR-40-46-R01 Channeled Flow at the Pipe Surface in Gas Transmission Pipelines Author(s) Thomas D. Bath Research Contractor Midwest Research Institute Release DateJuly 10, 2020 Phase I of this research has been directed toward a non-experimental evaluation of the effect on pipeline flow efficiency that may be created by placing small vanes or fins on the surface of gas transmission pipelines, parallel to flow. More Info
NG-18-901-R01 Experimental Data from American Gas Association Line Pipe Program Author(s) Unknown Author Research Contractor Battelle Release DateJuly 9, 2020 Compilation of both full-scale test results and laboratory fracture test data on line pipe from 16 heats of steel, 8 heats of X-52, 6 heats of X-60 columbium, 1 heat of X-60 vanadium, and I heat of X-90 quenched and tempered material. More Info
Free download for members HERE. NG-18-09-R01 A Study of the Effect of Manufacturing Variables on the Properties of Line-Pipe Steels Author(s) F. Boulger, w. Hansen Research Contractor Battelle Release DateJuly 9, 2020 Special laboratory steels representative of existing and new line-pipe steels have been made up in the Battelle laboratories with systematically varied chemistry, rolling temperatures, amount of cold work, etc., in order to investigate the effects of each variable on the strength and fracture ... More Info
Free download for members HERE. NG-18-07-R01 Yielding Model with Focus on Yield-Point Phenomena of Iron and Related BCC Materials Author(s) George Hahn Research Contractor Battelle Release DateJuly 9, 2020 The objective of the work was to devise a general but quantitative treatment of plastic flow - one that can be used to describe the response of steel just ahead of a fastmoving crack. A treatment based on the fundamental mechanism of flow was developed. As detailed in this report and in a ... More Info
Free download for members HERE. PR-685-184506-R02 - Additional Hydrotechnical Hazard Pipeline Integrity Author(s) Jeffrey Budzich Research Contractor Arcadis Release DateJuly 9, 2020 The purpose of this document is to identify and discuss hydrotechnical hazards and the threats they pose to an exposed pipeline in a watercourse. The discussion herein is intended to assist operators in identifying and assessing the hazards to facilitate safe operation of the pipeline. Although ... More Info
PR-171-419-R01 Pulsed Gas Metal Arc Welding Author(s) J.H. Nixon Research Contractor Cranfield Institute Release DateJuly 6, 2020 Describes the development of pulsed metal arc welding methods for pipeline welding. More Info
Free download for members HERE. PR-3-84-R02 Axial Compression of Line Pipe - Phase 2 Author(s) E. N. Kuznetsov, T. C. Johns Research Contractor Battelle Release DateJuly 1, 2020 Follow-on work for axial loading conditions to assess buckling characteristics of prefabricated prestressed pipe segments and to determine the effect of such design variables as support conditions, tolerance, and allowable design stress upon the ability of the pipeline to withstand precompression. More Info
Free download for members HERE. PR-312-18209-E02 GHG Reporting - Transmission Pipeline Blowdown Data Review and Emission Factor Trends Author(s) James McCarthy Research Contractor Innovative Environmental Solutions Release DateJune 26, 2020 PRCI reports have summarized GHGRP data and improved emissions factors based on the data. Pipeline blowdown emissions reporting was added to the GHGRP in 2016 and only one year of quality data (2017 reporting year) was available for the PRCI reports (versus 6 years of data compiled for ... More Info
Free download for members HERE. PR644-183602-R01 Cathodic Protection Design Considerations for Facilities with Congested Areas Author(s) Pavan Shukla, Andrew Nordquist, Roderick Fuentes Research Contractor Savannah River National Laboratory Release DateJune 26, 2020 The surface area method is often used to design cathodic protection (CP) systems for congested area facilities where at-grade and below-grade coated and uncoated metallic assets, which are electrically interconnected, exist. The surface area method provides an estimate of the protection ... More Info
Free download for members HERE. PR-387-11200-R01 All-Weld-Metal Strip Tensile Testing of Narrow Groove Pipeline Girth Welds Author(s) Dong-Yeob Park Research Contractor Natural Resources Canada, CanmetMATERIALS Release DateJune 25, 2020 The pipeline community needs to measure all-weld metal properties of narrow gap pipeline girth welds consistently and reliably. These measurements support characterization of material properties required for design and engineering assessment of pipelines, and provide input data for further ... More Info
Free download for members HERE. PR-366-173814-R02 Assessment of SCC with Advances in NDE including EMAT & IWEX Imaging Author(s) Bruce Nestleroth, Domenico Bellistri, Jeff Vinyard, Harvey Haines Research Contractor Applus RTD (Contractor), Kiefner and Associates, Inc., The ROSEN Group Release DateJune 23, 2020 In-line inspection (ILI) is often used to estimate failure pressure from anomalies as part of the integrity management of pipelines. The goal of this project is to improve failure pressure estimates of stress corrosion cracking (SCC) colonies by advancing field measurements and comparing ILI ... More Info
Free download for members HERE. PR-244-193800-R01 Quantification of ILI Sizing for Severe Anomalies Author(s) Smitha Koduru Research Contractor C-FER Technologies Release DateJune 16, 2020 PRCI research project, EC-4-6 Improving Corrosion ILI Sizing Models for Long Complex Corrosion Anomalies (Koduru 2018), performed by C-FER Technologies (1999) Inc. (“C-FER”), involved collecting in-ditch high-resolution laser scan records, identifying complex corrosion anomalies, and ... More Info