Article: Conversion Of Existing Crude Oil Pipelines Using Gel Pig Technology.

In recent years, there has been a dramatic increase in the number of crude oil pipelines in the United States that are being converted to either natural gas or finished product service. There are numerous scenarios which may have precipitated this activity.

As the crude oil production in a specific area declines, the volume of oil to be transported may no longer justify a particular crude oil pipeline, although natural gas may be available in commercial quantities. Some existing crude oil pipelines are no longer necessary, or may be conveniently situated to provide a link between natural gas producing areas and new gas markets. In many cases these existing crude ...

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