National Oilwell Varco
National Oilwell Varco is a worldwide leader in providing major mechanical components for land and offshore drilling rigs, complete land drilling and well servicing rigs, tubular inspection and internal tubular coatings, drill string equipment, extensive
National Oilwell Varco, NOV, offshore drilling, land drilling, well servicing, rigs, drill pipe, downhole tools, drilling motors, drilling bits
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