I have faced similar situation whereby in my case it is a wellhead conductor that has a pinhole, corroded, and gas coming out. So, this conductor is connected to C annulus on the wellhead from which indicated 7.9 psi (with gas continuously flowing out of the pinhole). I was planning to plug it...
I am currently preparing for a leak sealing job on SCSSSV control line and wellhead cavity. Part of the assessment in evaluating the severity of leak in wellhead cavity and control line is to find the leak rate. I am struggling to understand how this leak rate should be measured. Some reference...