Evaluation of Some Egyptian Shales as a Drilling Fluid Additive

Abstract

In this study, Egyptian shales from Wadi El Natrun were tested for their potential and possibility to meet the required drilling mud properties. Activation of these shales was performed using the most popular (Na₂CO₃), carboxy-methylcellulose, and polymers. The drilling mud qualities of the shales from Wadi El Natrun were significantly improved with additives and upgraded to have rheological properties compatible with American Petroleum Institute and Oil Companies Material Association specification.

Keywords:

• drilling mud
• Egyptian shales
• Wadi El Natrun

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Corrigendum