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Title: Reconditioning Of High-Pressure Gas Transmission Lines At Natural Gas Pipeline Company Of America
Author: Ronald L. Brown
Source: American Gas Association 1990
Year Published: 1990
Abstract: Maintaining pipelines as the safest mode of transportation has been no accident. But, as our pipelines become older and older, we cannot slack off in our efforts, even though budget monies become tighter and tighter. There are two approaches a pipehne company can take. One is the Band-Aid Approach, which is letting well enough alone until there is a leak or failure and then fixing only the specific problem. The second approach is having an ongoing maintenance and rehabilitation program to identify future problem areas and rehabilitate those areas before problems arise. Natural decided long ago that, in the short term, the Band-Air Approach might be cheaper, but, in the long run, having an ongoing rehabilitation program would be more cost-effective. This program may save us from spending hundreds of millions of dollars in the future to replace an entire pipeline or having our deliverability severely curtailed by a pipeline failure in the winter months. In the 1970s, Natural estabHshed a hydrostatic testing program for existing pipehnes. By the 1980s, we had tested almost all of the pipelines that had not been hydrostatically tested at the time of installation. In the 1980s, Natural embarked on a program to replace and/or retire critical sections of its original Dresser-coupled line, which had been installed 50 years earlier. And as we enter the 1990s, Natural has established itself as a leader in rehabilitating high-pressure gas pipelines.

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