Related by context. Frequent words. (Click for all words.) 65 refineries 60 petroleum refining 60 refinery 59 Refining 59 refining margins 56 refiners 55 petrochemical 55 refining capacity 54 refiner 52 petrochemicals 51 crude oil 50 Refineries 49 olefins 49 oil 49 Refinery 48 refined 48 refines 47 petroleum 47 feedstock 47 hydrocracker 47 Klesse 46 ConocoPhillips 46 refine 46 smelting 46 bpd refinery 46 Refining margins 46 crude distillation 45 naphtha 45 Petrochemical 45 Exxon Mobil 45 crude 45 ethylene 44 natural gas 44 aromatics 44 Motiva Enterprises LLC 44 feedstocks 43 coking 43 Petroplus 43 Repsol YPF 43 LUKOIL 43 Mulva 43 Refiners 43 steelmaking 42 oil sands 42 coker 42 chlor alkali 42 distillate 42 fractionation 42 EOR 41 LyondellBasell Industries 41 Exxon Mobil Corp XOM.N 41 production 41 b d 41 ChevronTexaco 41 ExxonMobil 41 Valero 41 Aromatics 41 Exxon Mobil Corp. 41 gas liquids 41 bpd 41 distilling 41 propylene 41 raw material 41 pipelines 41 Valero Energy 40 liquids NGL 40 Ethylene 40 distillation 40 Lukoil 40 LyondellBasell 40 alumina 40 Shell 40 Distillate 40 Exxon 40 Royal Dutch Shell 40 #.#/bbl [002] 40 depreciation depletion 40 upgrader 40 NuStar 40 LUKoil 40 desulfurization 40 Sinopec Corp 40 Total SA TOT 40 Conoco 40 bbl 40 Repsol YPF SA 40 bitumen 40 TSX PCA 40 Suncor 40 gas 40 PdVSA 40 petrochemical industries 40 Sinopec 40 petrochemical plants 39 paraxylene 39 Van der Veer 39 Chevron 39 crudes 39 Neste Oil 39 Marathon Oil 39 oilfields