API-6A › Historical Revision Information
Specification for Wellhead and Christmas Tree Equipment
Specification for Wellhead and Christmas Tree Equipment
This document comes with our free Notification Service, good for the life of the document.
This document is available in Paper format.
Document Number
API-6A
Revision Level
20TH EDITION ERRATA 4
Status
Superseded
Publication Date
Aug. 5, 2013
Page Count
4 pages