Drilling fluid made from abrasive weighting materials

Details Drilling fluid made from abrasive weighting materials Drilling fluid made from abrasive weighting materials

C - Chemistry, Metallurgy

09

K

31/11

C09K 8/14 (2006.01)

Patent

CA 1135039

DRILLING FLUIDS MADE FROM ABRASIVE WEIGHTING MATERIALS Abstract of the Disclosure A drilling fluid useful in earth borehole drilling comprising water, a sufficient amount of a weighting agent comprising an abrasive specular hematite, and a water dis- persible anti-wear agent, the anti-wear agent being present in an amount sufficient to effect substantial reduction in the abrasive nature of the drilling fluid.

362782

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