The American Gas Association, founded in 1918, represents more than 200 local energy companies that deliver natural gas throughout the United States. There are more than 71 million residential, commercial and industrial natural gas customers in the U.S., of which 92% – more than 65 million customers – receive their gas from AGA members. Today, natural gas meets almost one-fourth of the United States' energy needs.

This article explains a test methodology that could determine the design life of heat fusion fittings and joints at end user field conditions of operating stress, operating temperature and desired design life. The methodology is useful not only for design life based on internal pressure, which is the primary load, but also to determine the effects of secondary loads, such as bending, rock impingement, squeeze-off and deflection.

Management systems are created to detail activities that an organization or its business units must implement to manage safety through the mitigation of business risk. Business risks are specific to each business unit and may include:

The Keystone XL is intended to transport oil from Canada to U.S. refiners on the Gulf of Mexico. The administration’s decision to delay approval for the construction of TransCanada’s proposed pipeline was based, in part, on concerns over the safety and reliability of oil pipelines. In announcing his decision, President Barack Obama called for a full assessment of “the pipeline’s impact, especially the health and safety of the American people.”

Crestwood Midstream Partners increased its sizable holdings in the Bakken Shale with the acquisition of Arrow Midstream Holdings. The move, a continuation of its liquids-focused strategy, will allow Crestwood to service about 18% of current Bakken crude oil production.

Conventional oil production in Western Canada has experienced a resurgence in the past few years due largely to new drilling and completion methods, according to a report from the independent Canadian Energy Research Group (CERI).

The Keystone XL pipeline would cause “no material impact” on greenhouse gas (GHG) emissions in the U.S., according to a new IHS study.

Fracking in the Marcellus Shale has markedly increased the supply of natural gas produced in the Appalachian Basin, which is typically of higher quality than gas produced from the Gulf. This increased supply has resulted in a shift in the historical pattern of gas flow.

DNV’s latest revision to Offshore Standard for Submarine Pipeline Systems, DNV-OS-F101, will be the pilot for a new approach to rule development, competence management, communication and application.

Doug Evans, outgoing president of IPLOCA and CEO of Gulf Interstate Engineering, welcomed 651 delegates to Washington, DC for the 47th annual convention of the International Pipeline and Offshore Contractors Association. Contractors and suppliers to pipeline construction companies gathered in the nation’s capital for five days of technical presentations, meetings, social events and tours.

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