Investigación de perforación de petróleo y gas

Principales actores: Compañía Baker Hughes, Schlumberger Limited, Sandvik AB, National Oilwell Varco

Principales actores: Valaris plc, China Oilfield Services Ltd. (COSL), Transocean Ltd., Noble Corp., Seadrill Ltd.

Principales actores: ADES International Holding PLC, Arabian Drilling Company, Shelf Drilling Holdings, Ltd., ARO Drilling, Saipem SpA

Principales actores: Schlumberger Limited, National Oilwell Varco (NOV), Hunting PLC, Schoeller-Bleckmann Oilfield Equipment AG, Vallourec SA

Principales actores: Schlumberger Limited, Nabors Industries Ltd, Weatherford International PLC, Halliburton Company, NOV Inc.

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

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

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

Principales actores: Schlumberger Ltd, Halliburton Co., Baker Hughes Co., National Oilwell Varco Inc., Varel Energy Solutions

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

Principales actores: Schlumberger Ltd, Weatherford International PLC, Halliburton Company, Baker Hughes Company, China Oilfield Services Limited

Principales actores: Schlumberger Limited, Baker Hughes Company, Chevron Corporation, ConocoPhillips, Halliburton Company

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

Principales actores: Schlumberger PLC, Weatherford International Drilling PLC, Baker Hughes Co, Halliburton Company, Nabors Industries Ltd.