• Drilling

    Well Logs

    by Ahmed Imad   Well log is a continuous record of measurement made in bore hole respond to variation in some physical properties of rocks through which the bore hole is drilled. Traditionally Logs are display on girded papers shown in figure1. Now a days the log may be taken as films, images, and in digital format.   HISTORY   1912 Conrad Schlumberger give the idea of using electrical measurements to map subsurface rock bodies.    in 1919 Conrad Schlumberger and his brother Marcel begin work on well logs.    The first electrical resistivity well log was taken in France, in 1927.    The instrument which was used for this purpose…