Related by context. Frequent words. (Click for all words.) 66 hydrotreater 66 alkylation unit 65 hydrocracker 61 fluid catalytic cracker 61 fluid catalytic cracking 59 coker unit 58 hydrocracking 58 coker 58 #.# FCCU 56 Anacortes refinery 56 steam boiler 56 isomerization unit 56 corroded pipe 54 Tesoro refinery 54 crude distillation 53 steam cracker 53 steam generator 53 Navajo Refinery 52 compressor 52 FCCU 52 ethylene cracker 52 fractionator 52 No.2 reactor 51 Jamnagar refinery 51 Flaring 51 Christi TX 50 Flint Corpus 50 heat exchanger 50 highly flammable liquid 50 unplanned shutdown 50 bpd refinery 50 No.3 reactor 50 Restarted 49 Skikda 49 refinery 49 desulphurisation 49 degassing 49 reactor coolant 49 Motiva Enterprises 49 desulfurization 48 gaseous hydrogen 48 coke oven 48 transesterification 48 naptha 48 Transocean Deepwater Horizon 48 Line 6A 48 Acetylene 48 Valero Norco LA 48 Discoverer Enterprise 47 Total Petrochemicals 47 Jess McLean 47 regenerator 47 shutoff valve 47 furnace 47 Refinery 47 desulphurization 47 naphtha 47 intake valve 46 flue gases 46 Jurong Island 46 faulty boiler 46 Onagawa nuclear 46 propylene 46 cokers 46 transformer 46 fuel injector 46 propane leak 46 Whiting refinery 46 harmless nitrogen 46 PetroRabigh 46 overpressure 46 Gullfaks 45 potassium hydroxide 45 Glycol 45 Naphtha 45 steam turbine generator 45 combustion turbine 45 naphtha cracker 45 Upgrader 45 Takreer 45 Coolant 45 Egbin 45 superheated steam 45 Valero Corpus 45 upgrader 45 scrubber 45 boiler 45 chimney flue 45 steam boilers 45 depressurized 45 Visund 45 evaporator 45 DAILY PRODUCTION 45 hydrogen fluoride 44 Hydrochloric acid 44 freight train derailment 44 frac fluid 44 Condensate 44 drywell 44 Scotford 44 penstock