Used to rotate the drill string during the drilling process, the top drive is a motor that is suspended from the derrick, or mast, of the rig. These power swivels boast at least 1,000 horsepower ...

The third drilling rig constructed by Academic Center for Education, Culture and Research, named Fat'h 73, was officially ...

U.S. energy firms this week cut the number of oil and natural gas rigs operating for a third week in a row to the lowest ...