Free download for members HERE. PR201-174510-R01 Removal and Repair of Hot Taps Author(s)Brent VyvialAuthoring InstitutionStress Engineering ServicesRelease Date February 11, 2019 Improper hot taps are an ever increasing threat to pipeline integrity. While industry and research ... More Info
Free download for members HERE. PR-309-15209-R01 Evaluation of NSCR Specific Models for Use in CEPM Author(s)Greg Beshouri, Bob Goffin Authoring InstitutionAdvanced Engine TechnologiesRelease Date January 27, 2019 This 2015 NSCR project continues NSCR research started in 2009 and continued in 2011 under ERLE ... More Info
Free download for members HERE. PR-575-183603-R01 Performance of External Profiling Inspection Author(s)Tyron KimbleAuthoring InstitutionSonomatic LimitedRelease Date January 24, 2019 Previous efforts have shown that the laser/light based NDE systems do generally provide ... More Info
Free download for members HERE. L00000 Effect of Pipe Roughness on Orifice Metering Accuracy 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. L00007 Steady Flow in Gas Pipelines Release DateJuly 1, 1970 This report presents the results of extended investigations into aspects of steady flow in gas pipelines. The essential problem under study was the accurate specification of flow behavior in operating pipelines. Coupled with the information of previously existing analytic theory and the results of ... More Info
Free download for members HERE. L00033 A Theoretical Model for Crack Propagation and Arrest in Pressurized Pipelines Research Contractor Battelle Release DateMarch 1, 1978 A theoretical basis for predicting the speed of axial crack propagation and conditions for crack arrest in pipelines was developed and based on a formulation that would be independent of full-scale pipe experiments. This capability would aid in designing pipe experiments and assist in specifying ... More Info
Free download for members HERE. L00035 Examination of the Properties of Quench and Tempered Fitting Research Contractor Battelle Release DateApril 17, 1978 The properties of a pipe fitting reported by the manufacturer normally are measured using test specimens prepared from trim material that is removed from the fitting after forming and that, subsequently, is welded to the fitting for heat treatment with the fitting.The goals of this ... More Info
Free download for members HERE. L00036 Line Pipe Coating Analysis Volume 1 Laboratory Studies and Results Research Contractor Battelle Release DateNovember 5, 1978 A research program has been successfully conducted to identify the factors that lead to failure in pipeline coatings. Numerous factors have been identified and are addressed in this report. Data have been organized to permit many of these specific findings to be immediately useful to ... More Info
Free download for members HERE. L00037 Line Pipe Coating Analysis Volume 2 Topical Report on Adhesion Research Contractor Battelle Release DateNovember 1, 1978 Several questions have been raised in the past regarding the adhesion of pipe coatings. These questions were: What is the nature of the adhesiveness between coating and substrate? How does this characteristic vary with material and with processing history? And what causes bond failure?The ... More Info
Free download for members HERE. L00038 Variations in Electrolytic-Cell Conditions in Hard-Spot Regions of Line Pipe Research Contractor Battelle Release DateMay 31, 1978 Hydrogen-stress cracking (HSC) has occurred in natural gas transmission pipelines only in localized hard regions in the pipe wall (hard spots) or in hard weld zones. A specific factor that results in the initiation of HSCs in some hard spots is the possible variation in localized electrolytic cell ... More Info
Free download for members HERE. L00039 Changes in Properties of an X60 Pipe as a Consequence of Applying a Thin-Film Epoxy-Resin Coating Research Contractor Battelle Release DateApril 17, 1978 In the application of thin-film epoxy coatings, pipe is heated up to 450 F for as long as 1 hour. To determine the effects, if any, this thermal treatment has on X60 pipe, the properties of two adjacent 3-foot long sections of 30-inch diameter X60 pipe were compared. One pipe had been epoxy coated ... 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. L00140 Phase Relations of Gas-Condensate Fluids-Test Results Apparatus and Techniques - Volumes 1 and 2 Release DateJanuary 1, 1970 This monograph consists essentially of two parts. One part reports the results of test, and the other presents correlations of data from the tests. The correlations are designed for computing significant properties of fluids, using data from relatively simple and inexpensive tests as guides. ... More Info
Free download for members HERE. L00200 Wear in Pipeline Engines and Compressors - Methods of Measurement 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. L00210 Noise Abatement Volume 1 - Physiological Psychological and Legal Aspects of Noise 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. L00220 Measurements of Secondary Stresses in Pipelines L30 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. L00230 Noise Abatement Volume II - Noise Suppression at Pressure Regulating and Metering Stations 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. L00250 Using Foaming Agents to Remove Liquids from Gas Wells 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. L00280 Noise Abatement Volume III - Blow-off Noise Suppression and Regulator Valve Noise Generation 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. 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
Free download for members HERE. L00310 Movement of Underground Water in Contact with Natural Gas Research Contractor University of Michigan Release DateFebruary 1, 1963 This research was initiated to bring together the knowledge required to predict water movement in gas storage operations. The goal was to develop calculation procedures, which could be utilized directly by engineers in charge of the operation of storage fields. Engineering studies of water drive ... More Info
Free download for members HERE. L00330 Noise Abatement Volume IV - Noise Measurement and Suppression at Gas Compressor Stations Research Contractor Southwest Research Institute Release DateApril 1, 1963 This report is divided into two parts. Part A contains field test procedures and measurement and analysis techniques for compressor station noise. The results of a field test program conducted at nine mainline compressor stations are also included. Part B discusses various techniques for ... More Info
Free download for members HERE. L00340 Manual for Determination of Supercompressibility Factors Release DateDecember 1, 1970 This manual is based on the findings of PAR Research Project NX-19 initiated by the Pipeline Research Committee in 1956 upon the recommendation of the Gas Measurement Committee. The initial purpose was to extend the range of the A.G.A. Supercompressibility Factor Tables published in 1955, 1956. ... More Info