The Compatibility of Egyptian Bentonite during Drilling Shale Formations

摘要: Abstract Drilling fluid is a vital element of the drilling process, and any must have common properties that facilitate safe satisfactory completion well. The main component water-based mud clay (mostly bentonite). present consumption bentonite in operations alone can reach over 100,000 tons year all it imported. high import costs this material led to an attempt find local substitute. In work, we are concerned with changes take place rheology using Egyptian from south Hammam area, which produced by Derivatives Company, instead imported study behavior during through shale rocks due swelling expansion shale. water-base was prepared area circulated under same conditi...