We do not have sufficient number of years, or installations, to answer the compression fittings reliability question ourselves, or any other reliability issues for that matter. However, on the other hand, we don't have any data on problems with it either.
The EUB recently released Directive 056, which basically says that they will accept routine applications, without pressure, sour gas content or location restrictions, for the use of Fiberspar continuous length composite pipe in fresh water, salt water, mulitphase crude oil and LVP product services....
If it's good enough for the EUB, who am I to disagree?
The only disadvantage that I see so far is that they only go up to 4".
By the way, have you heard about BP in Prudhoe Bay? They have had a second leak now. The leaks were due to corrosion. I think Fiberspar would have less problem than steel for that. There is a lot of upside. But of course, if you are the first to suggest Fiberspar, you have a LOT of downside if something goes wrong.
"Do not worry about your problems with mathematics, I assure you mine are far greater."
Albert Einstein
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