Free download for members HERE. PR405-213601-R04 Validation of Digital Twins for Monitoring, Optimization, and Compliance of CP Systems Author(s)Christophe Baete, Keith ParkerAuthoring InstitutionElsyca Inc.Release Date March 2, 2023 The digital twin used in this research is a mechanistic (or deterministic) computer model that ... More Info
PR-000-23COMP-R01 Stress Corrosion Cracking Susceptibility Author(s)Various AuthorsAuthoring InstitutionPipeline Research Council InternationalRelease Date February 21, 2023 The PRCI Technical Committees have carried out many research projects related to evaluating the ... More Info
Free download for members HERE. PR-186-214508-R01 In-Service Welding onto Ethylene Pipelines Author(s)Matt BoringAuthoring InstitutionDNV Inc.Release Date February 2, 2023 Welding onto an operating pipeline, or in-service welding, for modification and repair has been ... More Info
Free download for members HERE. L41022 Flow of Natural Gas Through High-Pressure Transmission Lines Author(s) T.W. Johnson, W. B. Berwald Research Contractor U.S. Department of the Interior - Bureau of Mines Release DateFebruary 1, 1935 Numerous data on gas flow through pipe lines under many conditions of operation were obtained from carefully conducted tests, and these data, together with other available information, were analyzed carefully to obtain practical information for the use of operators in designing pipe lines and ... More Info
Free download for members HERE. L00070 Flow of Natural Gas through High-Pressure Transmission Lines Release DateFebruary 1, 1935 This document examines the data and formulas used to calculate the flow of natural gas through pipelines. Because of the lack of sufficient data, flow tests were made on 29 pipelines, covering a total of 757 miles. Comparisons were made between the coefficients of friction and the internal diameter ... More Info
Free download for members HERE. L41018 Back-Pressure Data On Natural-Gas Wells And Their Application To Production Practices Author(s) E.L. Rawlins, M.A. Schellhardt Research Contractor U.S. Department of the Interior - Bureau of Mines Release DateAugust 1, 1935 The Bureau of Mines has published two reports that describe a method of determining gas-well capacities from data observed when gas deliveries are measured at high back pressures. Interpretations of the pressure data obtained when a well is allowed to flow against high back pressures reveal not ... More Info
Free download for members HERE. L41020 Gas Hydrates and Their Relation to the Operation of Natural-Gas Pipe Lines Release DateJuly 1, 1946 It became generally recognized that "freezing" of natural gas pipeline was caused by the formation of gas hydrates, which are crystalline compounds formed by the chemical combination of natural gas and water and which form under pressure at temperatures considerably above the freezing point of ... More Info
Free download for members HERE. NG-10-R01 Welding Procedures on Base-Metal Cracking Adjacent to Girth Welds and Welded Connections Author(s) P. J. Rieppel, C. B. Voldrich, M. L. Kohn, R. N. Burnham, S.J. Dearring, C. B. Disbennett Research Contractor Battelle Release DateOctober 1, 1955 The objectives of this work were to investigate welding techniques that would insure against base—metal cracks in the heat-affected zones of girth welds. More Info
Free download for members HERE. ARF-B566-R01 Investigation of the Notch Toughness of Gas Line Pipe Steels Author(s) Author Unknown Research Contractor Armour Research of Illinois Institute of Technology Release DateAugust 2, 1956 Charpy V-notch impact tests of longitudinally welded line-pipe steels representative of the steel being used by the gas line-pipe industry. The tests were made on the steel of welded pipe specimens from 198 heats of steel submitted by six pipe manufacturers in sizes of pipe from 2O in. to 34 in. ... More Info
Free download for members HERE. NG-18-02-R01 Research on Conditions Affecting Crack Initiation in Line Pipe - Phase 2 Author(s) C. W, Bert, G. M. McClure, H. J. Grover Research Contractor Battelle Release DateAugust 31, 1958 Although steels behave in a ductile manner in a simple tensile test, they sometimes crack in a brittle fashion when subjected to fairly low service stresses. In order to understand and to control this brittle or cleavage fracture in line pipe, a research program was initiated. At first, the ... More Info
Free download for members HERE. L00200 Wear in Pipeline Engines and Compressors - Methods of Measurement Author(s) D.V. Kniebes Research Contractor Institute of Gas Technology Release DateMay 1, 1959 A two-year study of the wear history of 84 pipeline compressor engines in relation to the concentrations of metals in the lubricating oils from these engines has demonstrated the feasibility of using lubricating oil analyses as a means of detecting increased rate of wear of engine components prior ... More Info
Free download for members HERE. L00220 Measurements of Secondary Stresses in Pipelines L30 Author(s) Atterbury et al. Research Contractor Battelle Release DateSeptember 1, 1959 This report analyzes 15 pipeline locations to obtain the secondary stresses from pressure, thermal, and external loading. The purpose of this study was to examine the significance of these stresses in relation to the design and operation of pipelines.The results show that stresses imposed on pipe ... More Info
Free download for members HERE. L00210 Noise Abatement Volume 1 - Physiological Psychological and Legal Aspects of Noise Author(s) James Sharp, Glenn Damewood, Cecil Sparks, Miles Hanchett Research Contractor Southwest Research Institute Release DateSeptember 1, 1959 In an effort to better understand the detrimental effects of noise on worker productivity and general well-being, this report presents data gathered in the following three areas: (1) physiological and psychological effects of sound on man; (2) a nationwide survey of legislation concerning ... More Info
Free download for members HERE. L00230 Noise Abatement Volume II - Noise Suppression at Pressure Regulating and Metering Stations Author(s) James Sharp, Glen Damewood, Cecil Sparks, Miles Hanchett Research Contractor Southwest Research Institute Release DateJanuary 1, 1960 The five sections of this report focus on defining the nature of noise emitted from pipe carrying high-velocity flow and prescribing methods for suppression or elimination of such noise. The contents of each section are as follows:Section I - sources of noise, means of propagation, and acceptable ... More Info
Free download for members HERE. L00000 Effect of Pipe Roughness on Orifice Metering Accuracy Author(s) Howard Bean, J.W. Murdock Research Contractor American Gas Association (AGA) Release DateFebruary 1, 1960 This report describes research done to determine the effect of pipe roughness on orifice meter accuracy. This report specifically analyzes a four-inch diameter tube. Results of the study conclude that tubes of this size can be honed without affecting their accuracy. As an overall conclusion from ... More Info
Free download for members HERE. L00250 Using Foaming Agents to Remove Liquids from Gas Wells Author(s) Dunning, Eakin, Walker Release DateAugust 1, 1960 The chemical stimulation of gas production from natural reservoirs and underground storage projects is rapidly expanding. Such stimulative methods commonly use energy available in the reservoir to perform operations that previously were done mechanically with external energy. Therefore, chemical ... More Info
Free download for members HERE. PR-918-4-R01 The Sampling and Testing of Defective or Failed Pipe Vol 2 - Test Procedures Author(s) Miles T. Hanchett Research Contractor Southwest Research Institute Release DateSeptember 30, 1960 Describes methods to produce test samples from piping components. More Info
Free download for members HERE. L41012 Effect of Methyltrichlorosilane on Permeability of Sandstone Cores To Gas and Water Release DateOctober 1, 1960 The primary purpose of this study was to determine the feasibility of using silane to retard the influx of water into natural-gas storage wells and to determine the necessary requirements for achieving this result. The success or failure of silane treatment as a remedial measure depends on its ... More Info
Free download for members HERE. L00280 Noise Abatement Volume III - Blow-off Noise Suppression and Regulator Valve Noise Generation Author(s) Glenn Damewood, Cecil Sparks, Miles Hanchett, Morton Brown Research Contractor Southwest Research Institute Release DateJanuary 1, 1961 The first section of this report contains techniques for designing silencers to suppress the noise produced during high pressure gas blow-offs. Both complex analytical techniques and simplified design charts are presented; the charts allow users to design silencers based desired noise reduction, ... More Info
Free download for members HERE. PR-15-NQ15-R02 The Use of Short Run Tracer Detection Techniques for Pulsative Flow Measurement Author(s) Cecil Sparks, Graydon Buss, J. Wachel Research Contractor Southwest Research Institute Release DateJanuary 1, 1961 Describes the development and use of a tracer method to be used as a flow verification method. The method focused on cold air injection and hot wire detection, although some later work was done on infrared absorption techniques. Of specific interest in this document is how these techniques perform ... More Info
Free download for members HERE. PR-15-NQ15-R01 Investigation on the Response of Orifice Meters to Pulsating Compressible Flow Author(s) Cecil Sparks Research Contractor Southwest Research Institute Release DateJanuary 1, 1962 Evaluates the effects of orifice flow measurement errors in the presence of pulsating flows, specifically square root error. The work includes the development of an extended error theory, a series of tests was conducted at Southwest Research Institute to test the adequacy of this theory. 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 DateMarch 26, 1962 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. L00290 Research on the Properties of Line Pipe Research Contractor Battelle Release DateMay 1, 1962 The general objective of the PRC Line Pipe Research program from 1953 to 1962 has been to obtain the highest quality pipe possible within economic limits. The results of research conducted during this nine year period was presented to at an industry seminar in March 1961. This report provides ... More Info