Back when I did on shore cementing, when the final string was completed the well was closed off.
I have asked others numerous times over the weeks about the use of nitrogen injected cement on a high pressure gas wells with no response until earlier today..."it is common".
17 posted on 05/11/2010 7:44:00 PM PDT by Deaf Smith
(When a Texan takes his chances, you know chances will be taken that's for sure.)