Mud is a common and not so commonly thought-of,critical exploration tool.While you are sorting out what you can still do after A.I.takes your job,and that drone delivers your frothy latte,consider that no computer,yet,can tell us what actually happens with mud content,extent of invasion,time to set up stable rheological properties,or even measure consistent and persistent homogeneous mud mixed fluid resistivity.Water-cut,the standard Gulf Coast metric for producible sands,can limit success,especially in geopressured reservoirs.Determination of accurate water-cut is 100% dependent on in-situ fluids,including drilling mud,but not seismic,not mud logs or cores,magic or hope.That is,properties such as mud type,density[most often incorrectly called weight],oil content,water molecular content with dissolved solids,formation invasion,viscosity,and then and only then,resistivity.I have argued for years that water-cut is too high.The shale players prove me correct every day but being right does not make me rich.
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