Oil and Gas Drilling Research

Major Players: ADES International Holding PLC, Arabian Drilling Company, Shelf Drilling Holdings, Ltd., ARO Drilling, Saipem S.p.A.

Major Players: Schlumberger Ltd, Weatherford International PLC, Halliburton Company, Baker Hughes Company, China Oilfield Services Limited

Major Players: Schlumberger PLC, Weatherford International Drilling PLC, Baker Hughes Co, Halliburton Company, Nabors Industries Ltd

Major Players: Arabian Drilling Company (ADC), Schlumberger Limited, Baker Hughes Company, Weatherford International PLC, Transocean Ltd., Saudi Aramco Oil Co.

Major Players: Baker Hughes Company , Haliburton Company , Schlumberger Limited , Transocean Limited , Saipem SpA

Major Players: Baker Hughes Company, Schlumberger Limited, Sandvik AB, National Oilwell Varco

Major Players: Schlumberger Limited, Baker Hughes Company, Chevron Corporation, ConocoPhillips, Halliburton Company

Major Players: Schlumberger Limited, Baker Hughes Company, National-Oilwell Varco Inc, Weatherford International Plc, Halliburton Company

Major Players: Halliburton Inc , Schlumberger Limited, National Oilwell Varco, Nabors Industries Ltd, Weatherford International PLC

Major Players: Workstrings International , Hunting PLC , National Oilwell Varco , International Drilling Services Ltd. (IDS) , American Oilfield Tools, Inc.

Major Players: Hilong Holding Ltd, Hunting PLC , Trubnaya Metallurgicheskaya Kmpny PAO, Tenaris SA, National-Oilwell Varco, Inc.

Major Players: Hilong Holding Ltd , Hunting PLC , TMK Group , Tenaris SA, National-Oilwell Varco, Inc.

Major Players: Halliburton Company, Honeywell International Inc., National-Oilwell Varco, Inc., Pason Systems Inc., Schlumberger Ltd

Major Players: Transocean Ltd, Seadrill Ltd, Diamond Offshore Drilling Inc., China Oilfield Services Limited, Saipem SpA