Covers the design, manufacture, and use of steel derricks, portable masts, crown block assemblies, and substructures suitable for drilling and servicing of wells. It includes stipulations for marking, inspection, standard ratings, design loading, and design specification of the equipment. Definitions of commonly used terms are included in Appendix A.
API 4F:1995 History
API Spec 4F
$70.00 $140.00
API Spec 4F:2013
$64.00 $129.00
API Spec 4F:2008
$70.00 $140.00
API 4F:1995
$72.00 $144.00
More Standards PDF
API Std 594:2010
$70.00 $140.00
API Std 65-Part 2 (R2016)
$72.00 $145.00
API RP 754:2010
$70.00 $140.00
API Std 674 (R2016)
$104.00 $208.00