40.98 Project deleted Apr 1, 2021
ISO
ISO/TC 67/SC 3 Drilling and completion fluids, well cements and treatment fluids
International Standard
75.020 Extraction and processing of petroleum and natural gas | 91.100.10 Cement. Gypsum. Lime. Mortar
PUBLISHED
ISO 10426-4:2004
ABANDON
ISO/DIS 10426-4
40.98
Project deleted
Apr 1, 2021