Product Description
DEF A is an alcohol based liquid deformer. This deformer is formulated with high esters to control foaming in all water-base drilling fluids as well as drain-based completion and workover fluids.
Application
DEF A deformer is compatible in a wide range of water-based muds. It can be used in freshwater muds, brackish water, seawater muds, saturated salt muds, and brine completion systems.
To maximize the effectiveness of DEF A, it should be added to the mud pits in a location that allows the product to be incorporated into the entire circulating mud system.DEF A additive should not be diluted, but should be added directly to the drilling fluid system. Normal treatment of DEF A additive range from 0.10 to 0.20 lb/bbl (0.29 to 0.58 kg/m3).