Related by context. Frequent words. (Click for all words.) 75 PetroKazakhstan 63 CNPC 60 CNOOC 60 Petrocan 58 Sinopec 57 Minmetals Resources 57 CNOOC Ltd 57 PetroChina 56 Cnooc 55 OAO Lukoil 55 ONGC Videsh 55 Petro Canada PCA.TO 55 Verenex Energy 55 ONGC Videsh Ltd. 55 OMEL 55 NovaGold Resources 54 Yuganskneftegas 54 Norway StatoilHydro 54 ONGC Videsh Ltd 54 PrimeWest Energy 54 CNOOC Ltd. 54 TSX TLM 54 Polyus 54 Unocal 54 Cnooc Ltd. 54 OVL 54 Bridas 53 Bema Gold Corp. 53 Lukoil 53 Corp CNPC 53 Equinox Minerals Ltd. 53 NOVATEK 53 Burren Energy 53 nickel miner Inco 53 Rosneft 53 Sinopec Corp 52 Yadavaran 52 Lundin Petroleum AB 52 Austria OMV 52 Bema Gold 52 oil refiner Sinopec 52 Uzbekneftegaz 52 Zarubezhneft 52 Exxon Mobil XOM.N 52 PetroChina PTR 52 Algeria Sonatrach 52 Bashneft 52 Talisman Energy 52 Niko Resources 52 KazakhGold 52 Essar Steel Holdings 52 LUKoil 51 Petro Canada 51 ConocoPhillips COP.N 51 ARMZ 51 LUKOIL 51 Hungary MOL 51 First Calgary Petroleums 51 Sinochem 51 Talisman Energy Inc. 50 Chevron Corp 50 Kovykta gas 50 ONGC 50 Russia OAO Gazprom 50 PetroChina Co 50 KazMunaiGas 50 KNOC 50 EnCana Corp 50 Cairn Energy 50 Gazprom Neft 50 Husky Energy 49 KazMunaiGaz 49 Pacific Rubiales Energy 49 Cairn India 49 Kalahari Minerals 49 refiner Sinopec 49 LionOre Mining International 49 CNNC 49 Nexen Inc 49 Glamis Gold Ltd. 49 Canoro 49 supermajor 49 CITIC Resources 49 Cnooc Ltd. China 49 Addax Petroleum 49 Centerra Gold Inc. 49 Lundin Mining Corp. 49 Teck Resources 49 Tavan Tolgoi 49 Petropars 49 Suncor Energy Inc 49 TSX TRP 49 Inc. TSX NXY 49 Kogas 49 Sibir Energy 49 Corporation CNPC 49 PetroChina Co. 49 Malaysia Petronas 49 Cairn Vedanta deal 49 Norway Statoil ASA 49 Expro International