50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks Sep 8, 2026
ISO
ISO/TC 67/SC 4 Drilling and production equipment
International Standard
75.180.10 Exploratory, drilling and extraction equipment
Specifies requirements for design, performance, materials, testing, installation, inspection, and
maintenance of top drive systems for onshore and offshore applications.
IN_DEVELOPMENT
ISO/FDIS 18991
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Sep 8, 2026