WOA1
Disclosed is a method for modifying bentonite to allow the bentonite to be useful in drilling mud appliions. The method includes the steps of: preparing bentonite local to Saudi Arabia using raw water to remove contaminants from the bentonite; grinding the bentonite to a fine powder; sieving the fine powder to be between about 50 μm and about 150 μm in particle size to produce a sieved ...