Rotary Drilling Co. drilling fluid plant in Algyo Today’s modern drilling technologies use special tech- nologic liquid – for drilling of hydrocarbon wells – so- called drillingmud. This is usually a mixture of milled bentonite and water providing hydrostatic pressure to maintain the wellbore stability and help the drilling assembly to be brought in and out of the hole, or help the removing of excavated soil by making circulation. In the drill

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