Archive for the ‘Natural Gas Pipelines’ Category

New Pipeline Safety Bill

Tuesday, February 1st, 2011

California senators introduced a new bill on pipeline safety - The Strengthening Pipeline Safety and Enforcement Act of 2011.   A few key elements in the proposed legislature are: Double the number of federal pipeline safety inspectors. Deployment of electronic or remote-control valves capable of automatically shutting off the gas in a fire or other ...

NTSB Safety Recommendations Following San Bruno Incident

Friday, January 14th, 2011

NTSB has issued seven safety recommendations following the September, 2010 San Bruno incident in California. #1. To PHMSA: Inform pipeline operators about circumstances leading up-to and consequences of pipeline rupture at San Bruno and NTSB's recommendations. #2. To PG&E: Search records to identify all the gas transmission lines (in class 3 & 4 locations, ...

Natural Gas Pipelines: Is there a Safer Alternative?

Wednesday, July 14th, 2010

Natural gas pipelines have caused incidents leading to fatalities, injuries, and property damages. To be precise, there have been an average of 50 serious gas pipeline incidents every year in the U.S. between 1990-2009 (Source: http://primis.phmsa.dot.gov/comm/reports/safety/SerPSI.html?nocache=4823) resulting in more than 300 fatalities. Majority of the reported gas incidents have occurred on the gas ...

Preventing Pipeline Ruptures

Wednesday, October 21st, 2009

The major cause of natural gas pipeline rupture is not corrosion or material defect but external damage. External damage is the damage to pipeline during digging, pilling, ground work, etc. by heavy equipment such as anchor, bulldozer, excavator, or plough.  Moreover typically the external damage is from third party construction activities ...

How Likely will a Natural Gas Leak Ignite?

Wednesday, July 29th, 2009

Following the release of natural gas, it can be ignited resulting in fire which in turn can potentially result in an explosion. So how likely will a gas release ignite?If you are interested in the major failure modes for natural gas transmission pipelines reported, please refer to an earlier post ...

Primer on Pipeline Integrity Management

Monday, July 20th, 2009

A few weeks ago I met with Cesar de Leon who is a pipeline safety expert (http://www.pipelinesafetyconsultant.com) - he worked at the DOT Office of Pipeline Safety for over 23 years and currently resides in Boerne, Texas. Cesar was telling me about legal and technical issues arising in the ...

External Damage: The Number 1 Cause of Natural Gas Pipeline Incidents

Sunday, May 10th, 2009

I recently came across a report from European Gas Pipeline Incident Data Group (EGIG) titled "Safety Performance Determines The Acceptability of Cross Country Gas Transmission Systems". The paper presents incident data contributed by six European gas transmission operators over a 30-year period of 1970-2001. An incident within this failure database implies ...