TC 67/SC 3 - Drilling and completion fluids, and well cements
- Participating countries: 13
- Observing countries: 6
Secretariat:
Participating Countries
- Belgium ( NBN )
- Brazil ( ABNT )
- China ( SAC )
- France ( AFNOR )
- Germany ( DIN )
- Indonesia ( BSN )
- Italy ( UNI )
- Korea, Republic of ( KATS )
- Netherlands ( NEN )
- Russian Federation ( GOST R )
- USA ( ANSI )
- United Kingdom ( BSI )


