API 14 C /ISO 10418 FSV in flow lines
API 14 C /ISO 10418 FSV in flow lines
(OP)
Gents,
In API 14C /ISO 10418 tehre is a figure that shows a number of typical wellheads. (see attached drawings).
http://files.engineering.com/getfile.aspx?folder=e...
Does anybody here know if an alternative configuration where the FSC is moved downstream the branching of to production and test manifolds (one on each branc of course) would be in compliance with the tsandard?
Best regards, Morten
In API 14C /ISO 10418 tehre is a figure that shows a number of typical wellheads. (see attached drawings).
http://files.engineering.com/getfile.aspx?folder=e...
Does anybody here know if an alternative configuration where the FSC is moved downstream the branching of to production and test manifolds (one on each branc of course) would be in compliance with the tsandard?
Best regards, Morten





RE: API 14 C /ISO 10418 FSV in flow lines
Please correct me if i am wrong. The purpose of the check valve there is to avoid back flow when you have a leak on your flowline. Flowlines are prone to leaking, since they are located at the upstream side of the process due to errosion (multiphase flow at high rate) and corrosion (higher Pressure and temperature = higher corrosion rate).
In case a leak occurs, we want to limit the inventory feeding into the leak from the downstream side of the process, the FSV will do this. Putting them at each branch will not defeat the purpose of this (thus i do not see this as in compliance), as long as the distance is not too long from the flowline (the longer the distance to the check valve, the more inventory will feed into the leak). The only other disadvantage that i could think of if you put them on all branch is cost. You will have more check valve to procure and install, this also means additional maintenance task.
RE: API 14 C /ISO 10418 FSV in flow lines
RE: API 14 C /ISO 10418 FSV in flow lines
My motto: Learn something new every day
Also: There's usually a good reason why everyone does it that way