Measurement While Drilling MWD

    The use of measurement and logging while drilling has matured a great deal in the last 10 years.  The use of these tools that have been developed for the oil and gas industry for use in primarily sedimentary depositional environments must be investigated in light of the goals set for EGS systems.  Let us first define what is meant in this section by the terms, realizing that the line between these two areas continue to blur. 1)      Measurement While Drilling (MWD): Tools that measure downhole parameters of the bit interaction with the rock are MWD tool.  These measurements typically include vibration and shock, mudflow rate, direction and angle of the…