Related by context. Frequent words. (Click for all words.) 46 Prudhoe Bay 46 Petroecuador 45 Chevron 45 BP 45 Deepwater Horizon 44 TCEQ 43 Pemex 43 Syncrude 42 PXP 42 Enbridge 41 Exxon 41 Caltrans 41 Statoil 41 upgrader 41 drilling rig 41 Macondo 41 Sempra 41 oil sands 40 CPUC 40 oil spill 40 oilsands 40 BP PLC 40 drillers 40 PDVSA 40 Aramco 40 StatoilHydro 40 Deepwater Horizon spill 40 refinery 40 EnCana 39 SDG & 39 Venoco 39 ChevronTexaco 39 Transocean 39 Suncor 38 Encana 38 DEQ 38 Kashagan 38 North Slope 38 Kinder Morgan 38 Deepwater Horizon rig 38 Deepwater Horizon disaster 38 Exxon Valdez spill 38 Agip 38 Unocal 38 Saudi Aramco 37 NIPSCO 37 Alyeska 37 Kerr McGee 37 Motiva 37 Deepwater 37 Eni 37 Cabot Oil 37 rig 37 wells 37 driller 37 BP Deepwater Horizon 37 DEP 37 CNOOC 37 Clean Water Act 37 wellhead 37 drilling 37 Barnett Shale 37 Occidental Petroleum Corp. 37 XTO 36 oilfield 36 oil 36 drilling rigs 36 oilfields 36 Exxon Valdez 36 Granite Construction 36 Tesoro 36 spill 36 Refinery 36 Occidental 36 Pengrowth 36 Ecopetrol 36 rig explosion 36 Nexen 36 offshore drilling 36 Drilling 36 Nicor 36 McMoRan 36 BP Plc 35 DWP 35 Calpine 35 refineries 35 drill rig 35 Ensco 35 CNPC 35 IDEM 35 Shell 35 Exxon Mobil 35 ExxonMobil 35 Gazprom 35 Anadarko 35 Occidental Petroleum 35 Sinopec 35 Schlumberger 35 EOG 35 rig exploded 35 Chevron Corp.