Related by context. Frequent words. (Click for all words.) 65 subsalt 61 Orinoco Belt 60 Tupi field 59 Pemex 59 PEMEX 59 Costayaco 58 Galoc 58 Ecopetrol 57 Quifa 56 Camisea 56 Llanos Basin 56 Campos Basin 56 ultra deepwater 56 Rubiales 55 Petrobras 55 Santos Basin 55 Deep Panuke 55 Cantarell 55 deepwater 55 deepwater Gulf 54 BPZ 54 Timan Pechora 54 PDVSA 54 Petrolifera 54 Tupi 54 Kashagan 54 Woodford Shale 53 Peregrino 53 recompletion 53 Repsol 52 Tweneboa 52 Newfield Exploration 52 Corvina 52 Pluspetrol 52 Bakken Shale 52 Bakken Formation 52 Thunder Horse 52 waterflood 52 PdVSA 52 Cepu 52 Arkoma Basin 51 Piceance Basin 51 Pacific Rubiales 51 Chinguetti 51 Lake Maracaibo 50 Karachaganak 50 deepwater exploration 50 Cerro Negro 50 Norwegian Continental Shelf 50 Piceance 50 Repsol YPF 50 Repsol YPF SA 50 Bohai Bay 50 Alaska Prudhoe Bay 49 StatoilHydro 49 Spain Repsol YPF 49 Penoles 49 Haynesville shale 49 oilfields 49 Surmont 49 Ormen Lange 49 Khurais 49 Ivanhoe Energy 49 EOR 49 horizontal drilling 49 Petróleos de Venezuela 49 BPZ Energy 49 Barnett Shale 49 drilling 49 Guara 49 oil sands 49 Azadegan 49 Uinta Basin 49 gas condensate 48 Carabobo 48 Petroecuador 48 KG D6 block 48 Ford Shale 48 EOG 48 Haynesville Shale 48 Longtom 48 Calfrac 48 Etame 48 fracture stimulation 48 offshore oilfield 48 Petroleos Mexicanos 48 Spain Repsol 48 workovers 48 Browse Basin 48 Ghawar 47 Statoil 47 Barnett shale 47 Bakken shale 47 Maersk Oil 47 workover 47 Bakken formation 47 PanOcean 47 Petrominerales 47 fracing 47 BOEMRE 47 McMoRan