Article ID Journal Published Year Pages File Type
1695989 Applied Clay Science 2010 7 Pages PDF
Abstract

This study explores, as an alternative to sodium bentonite, the possibility of (Na, Ca)-bentonites to meet the required drilling mud properties. Activation of the bentonites was performed using the most popular (Na2CO3) and also the most controversial additive (MgO) and their blends. Upgrading the (Na, Ca)-bentonites was elaborated on the basis of viscosity, swelling index, filtration loss and electrokinetic measurements. The combination of soda and MgO produced a significant synergy.

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Physical Sciences and Engineering Earth and Planetary Sciences Geochemistry and Petrology
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Activation of (Na, Ca)-bentonites with soda and MgO and their utilization as drilling mud
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