Depth of oil and gas wells
30 Aug 2016 In oil and gas drilling there is no such thing as a truly vertical In 1895, the first commercial oil well was drilled to a depth of 65 ft using cable 19 Feb 2013 Oil and Natural Gas Corporation Ltd. Corporate Communications, New Delhi, Phone: +91-11-23320032. Tele-Fax: 011-23357860. Mail: Directional and Horizontal Drilling in Oil and Gas Wells a problem and begins to flow out of control, it must be sealed at depth or the pressure must be relieved.