This 2021 Edition of the PRCI Pipeline Repair Manual is an updated version of the original manual that was published 1994 and updated in 2006. The 2021 Edition discusses response to anomaly or defect discovery, reviews repair methods, identifies…
New regulations and modifications to existing environmental regulations are currently underway. The natural gas industry has consistently attempted to mitigate the release of greenhouse gases into the atmosphere. Blowdown mitigation represents an…
Pipelines are by far the most important mode of petroleum transportation in the United States because of their remarkable efficiency and low transportation cost. Pipelines carry two-thirds of the energy consumed by our nation and are recognized as…
The two broad categories of fiber-reinforced composite liner repair and deposited weld metal repair technologies were reviewed and evaluated for potential application for internal repair of gas transmission pipelines. Both are used to some extent for…
In 2015, Kiefner and Associates, Inc. (Kiefner) completed the ENV-6-1 project "Field Validation of Surface Loading Stress Calculations for Buried Pipelines" in which Kiefner monitored three buried pipe test segments at the Berne Station in Ohio to…
The River- X Excel Allows an operator, to be able to assess what is the critical span length for each pipeline crossing. Thus, for example, if the river width is shorter than this length, management approaches could consider this in their…
Guidance to use when defining and identifying leak cause categories along with associated sub-categories for gas distribution operators. Data integrity is often compromised when there is no standard in defining leak categories and leak…
A feasibility study to examine the use of coupons for measuring the polarized potential of a pipe. This study was a 15-month effort (1992-1993) with the objective being to provide proof of concept for the ability of coupons installed near the pipe…
This report documents the intentions and founding principles of the ASME B3 l .8 Gas Transmission and Distribution Piping Systems Codes and the Pipeline Safety Regulations (Title 49 Code of Federal Regulations Part 192). Two meetings were held with…