ME_Toolz is a set of calculators used by the mud engineering community worldwide. This set has been packaged for ease of handling and includes those calculators that would be used on a day to day basis. This product will fall under oil and gas. The calculators include Kick Tolerance, Balanced Cement Plug, Decrease Oil Water Ratio, Increase Oil Water Ratio, Water Phase Salinity, Weight Up, and True Vertical Depth.