It's hard to remember that only around three decades ago in the world of pigging (almost considered an 'art' in those days, not the 'science' which it has become) the question of high resolution versus low resolution was one of the main issues being wrestled with in the early developments of the inspection industry, and the difficulties presented by unpiggable pipelines were only just beginning to be acknowledged. The intervening years have, of course, seen massive advances in this industry. But surprisingly, some matters remain sources of concern, and some problems have not come any closer to solutions than they were in the days of typewriters. The inspection industry is not in the latter category: superb high-technology solutions have been developed using some of the most advanced and reliable technology in existence, paralleling the aerospace industry, and featuring detailed assessments down to millimetric sizes. Inspection data interpretation has also advanced to the stage where it's no longer a black art. Survey results can be examined and analyzed on a client's own PC or laptop, the thought of which was almost unheard of only a decade ago.
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