Cement Additives (function and definition)
The additives to be used and their concentration shall be decided by the Cement Contractor, after testing the slurry using representative samples of cement, additives and mixwater despatched from the rig. This has to be then approved by the Operations Engineer and Superintendent.
No deviationfrom the recipe, as determined by the Cementing Contractor is permitted unless specific written orders have been issued by the Superitntendent.
Note: % BWOC it means “percentage by weight of dry . . .