Definition(s)
A-annulus
Designation of the annulus between production tubing and production casing.
[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
“A” annulus
Annulus between the production tubing and production casing.
Source: API RP 96, Deepwater Well Design and Construction, First Edition, March 2013. Global Standards
“A” annulus
The annulus designation between the production tubing and production casing.
Source: API RP 90, Annular Casing Pressure Management for Offshore Wells, Upstream Segment. First Edition, August 2006. Global Standards
A-annulus
Annuli between the tubing and the production casing.
Source: NORSOK D-010, Well integrity in drilling and well operations, Rev. 3, August 2004. Global Standards