Related by context. Frequent words. (Click for all words.) 57 Enbridge 53 Enbridge Energy 51 Prudhoe Bay 51 Sarnia Ontario 51 PHMSA 50 pipelines 50 pipeline rupture 49 pipeline 47 sanitary sewer 47 water mains 47 compressor stations 46 ERCB 45 sewer mains 45 wellbore 45 Druzhba pipeline 44 Keystone XL 44 Kinder Morgan 43 Alberta Clipper 43 refueling outage 43 coker 43 wellhead 42 Alyeska Pipeline Service 42 Trans Alaska 42 Hazardous Materials Safety 42 waterlines 42 underground piping 42 refinery 42 refineries 42 upgrader 42 Pipe Line 41 Baku Tbilisi Ceyhan pipeline 41 sanitary sewers 41 crude oil 41 Davis Besse 41 EUB 40 interstate pipelines 40 BTC pipeline 40 ruptured pipe 40 ruptured 40 Keyera 40 bpd refinery 40 sewer pipes 40 leachate 39 fracture stimulated 39 mmcf 39 wells 39 Pipeline 39 BP Macondo 39 hydrocracker 39 storm sewers 39 storage tanks 39 natural gas 39 North Slope 38 capping stack 38 Pipelines 38 frac 38 condensate 38 Greka 38 Lakehead 38 Fort McMurray Alberta 38 CN Rail 38 pipe 38 valves 38 diluent 38 sewer 38 compressor 38 oil sands 38 bpd 37 Pump Station 37 Kinder Morgan Energy 37 Cushing Oklahoma 37 spokesman Daren Beaudo 37 b d 37 roadbed 37 Colonial Pipeline 37 MDOT 37 culverts 37 Chicago Sanitary 37 oilsands 37 earthen dam 37 bitumen 37 fracture stimulation 37 reservoir 37 ethane 37 OEPA 37 ULSD 36 valve 36 temporary shutdowns 36 NIPSCO 36 Suncor 36 FirstEnergy 36 kilovolt 36 EnCana 36 turbidity 36 watercourse 36 boed 36 TransCanada 36 mcf d 36 piping 36 MMcfd 36 CP Rail