Wellhead

Hi dear all,
I have a question regarding wellhead pressure test (integrity test). Is there any standard procedure for required test pressure and duration for: 
1- Between primary and secondary seal 
2- Between secondary seals
and also required pressure to energize elastomer seals.
I couldn't find procedure (e.g 80% of casing collapse pressure) in the API-6A. 
Appreciate if you help me. 
Warm Regards
4 Answer(s)

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