API Spec 7K

This specification provides general principles and specifies requirements for design, manufacture, and testing of new drilling and well-servicing equipment and of replacement primary load-carrying components manufactured subsequent to the publication of this specification. This specification is applicable to the following equipment:


a) rotary tables;
b) rotary bushings;
c) high-pressure mud and cement hoses;
d) piston mud-pump components;
e) drawworks components;
f) manual tongs;
g) safety clamps not used as hoisting devices;
h) blowout preventer (BOP) handling systems;
i) pressure-relieving devices for high-pressure drilling fluid circulating systems;
j) snub-lines for manual and power tongs;
k) rotary slips, both manual and powered;
l) slip bowls; and
m) spiders, both manual and powered.

Russian translation includes Errata 1 (2016), Errata 2 (2016), amd Errata 3 (2017)