API 4F : 2020
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for Drilling and Well Servicing Structures, Fifth Edition
Hardcopy , PDF
12-08-2023
English
01-06-2020
This specification states requirements and gives recommendations for suitable steel structures for drilling and
well servicing operations in the petroleum industry, provides a uniform method of rating the structures, and provides two product specification levels (PSLs).
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