Geological and mud logging in drilling control. Catalogue of typical cases / Геологический и буровой каротаж при управлении бурением. Каталог типичных случаев

This example shows the "multi-track" recording of the interval between 11 396 and 11441 feet of a well drilled in 1972 in a dominantly shaly deltaic series with thin sandy and dolomitic crossbedding.