NTL 2009-G01 - Casing Pressure - July 1, 2009

This Notice to Lessees and Operators (NTL) provides guidance on evaluating and managing wells that have casing pressure and supersedes the Letter to Lessees and Operators (LTL) titled Policy Concerning Sustained Casing Pressure, dated January 13, 1994, and NTL No. 2005-G09, Static Casing Pressure Less than 100 psig, effective June 1, 2005. The policy changes set forth in this NTL significantly reduce the paperwork burden concerning the reporting of casing pressure conditions, the number of departure requests, and the frequency of casing pressure diagnostic testing.