Drilling Fluids Standards
This document provides the minimum standards and general practices for selection and management of drilling fluids.
1. A Fluids Programme shall be produced for each well and a summary included in the Well Programme.
2. Consideration shall be given to the toxicological and environmental properties of all drilling, completion and cementing fluid additives at the fluid programme planning stage.
3. The use of hexavalent (Cr VI) chrome mud additives, asbestos products and attapulgite clays is prohibited.
4. The use of all chemical additives shall be strictly . . .