The Art of Water Wells

Marvin F. Glotfelty, RG, gives an overview of drilling fluids. […]

Marvin F. Glotfelty, RG, explains key points on properly decommissioning a well. […]

Marvin F. Glotfelty, RG, shares tools and techniques for evaluating a well’s structure. […]

Marvin F. Glotfelty, RG, delves into depth-specific sampling in open boreholes. […]