Thermally induced annulus pressure
Pressure in an annulus generated by thermal expansion or contraction of trapped fluids
- Note: 1 to entry: On wells where there is no annulus access, sustained casing pressure can be present.
[SOURCE: API RP 90, modified]
Source: ISO 16530-1:2017, Petroleum and natural gas industries — Well integrity – Part 1: Life cycle governance, First Edition, March 2017. Global Standards