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API SPEC 4F:2020+ADD1:2023
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Specification for Drilling and Well Servicing Structures
Hardcopy , PDF
15-02-2024
English
09-08-2023
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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