Air and gas drilling manual applications for oil, gas, geothermal fluid recovery wells, specialized construction boreholes, and the history and advent of the directional DTH di Lyons, William C., Stanley, James H., Sinisterra, Francisco J., Weller, Tom

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Standard handbook of petroleum and natural gas engineering

Available for University of the Philippines System via ScienceDirect. Click here to access
Also available remotely for University of the Philippines System via ScienceDirect. Click here to access thru EZproxy