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Method for determining a physical - chemical property of drilling fluid, the process to control the physical and chemical properties of drilling fluid, apparatus for determining properties of drilling fluid out of the hole, and the reservoir drilling fluid.
Method for determining a physical - chemical property of drilling fluid, the process to control the physical and chemical properties of drilling fluid, apparatus for determining properties of drilling fluid out of the hole, and the reservoir drilling fluid.
The present invention provides a method of determining a physiochemical property of a drilling fluid at a drilling site during a drilling phase, said method comprising detecting a nuclear magnetic resonance signal from out-of-hole drilling fluid at said site and calculating therefrom a value indicative of said property.
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