Adds details on hazardous materials in paragraph 3
By Arathy Somasekhar
HOUSTON, Aug 19 (Reuters) - A looming labor dispute at Canada's two main railroads is unlikely to significantly reduce oil exports to the United States due to excess capacity on Trans Mountain and other pipelines, people close to the matter said.
North American shippers such as fertilizer supplier Nutrien NTR.TO and U.S. logistics firm C.H. Robinson CHRW.O are bracing for simultaneous stoppages at the Canadian operations of Canadian National Railway or CN CNR.TO and Canadian Pacific Kansas City CP.TO (CPKC) that could cost the 's economy billions of dollars.
CN said last week it was putting in place an embargo on any reservations for movement of hazardous materials, security-sensitive cargoes or refrigerated containers originating in Canada, starting on Thursday. CPKC said that it had begun to halt any shipments of hazardous chemicals or dangerous goods.
A strike or lockout could start on Thursday.
But oil exports may be largely unscathed. U.S. rail imports of Canadian crude have fallen sharply in recent years, averaging around 55,000 barrels per day in May, U.S. Energy Information Administration data showed, the lowest since the pandemic price crash in 2020. The U.S. imports about 4.2 million bpd from Canada, mostly by pipeline.
"Anybody receiving crude by rail right is figuring out what alternatives they have, whether it's an alternative grade that can be substituted on the pipeline, or if a buyer is willing to take something else," said Elliot Apland at MarbleRock Advisors, which helps rail supply-chain contracts.
Prices of Western Canadian Select crude typically fall during export logjams. However, Trans Mountain's expansion in May and available capacity on other pipes should limit deep discounting, industry experts and analysts said.
"Crude-by-rail is as essential to the Canadian market as it was prior to the Trans Mountain expansion," said Jeremy Irwin, a senior oil markets analyst at consultancy Energy Aspects.
Trans Mountain's expansion tripled the flow of crude from landlocked Alberta to the Pacific coast, to 890,000 bpd.
Maintenance at U.S. Midwest refineries, which buy and process Canadian crude, will also free pipeline space for additional barrels, Irwin added.
WCS for September delivery in Hardisty, Alberta, settled on Friday at $12.25 a barrel below U.S. West Texas intermediate crude, according to brokerage CalRock, compared to an average $18.65 discount in 2023. The relatively small discount indicates little market concern about moving Canadian crude.
"We're closely monitoring the situation and putting plans in place to mitigate any impacts if a strike or lockout were to happen," a spokesperson at producer Cenovus Energy CVE.TO said.
ConocoPhillips COP.N Canada said it ships refined product on CPKC and other rail carriers, but has flexibility to manage a sustained strike. The company does expect any impact to its Surmont oil-sands production.
REFINED PRODUCTS
Canadian propane relies mainly on rail to reach domestic and export markets. Any stoppage could significantly reduce deliveries for fuel and chemical manufacturing.
AltaGas' ALA.TO Ridley Island Propane Export Terminal in British Columbia has stocked up on propane, Energy Aspects' Irwin .
Some companies that use generators for electricity on job sites have been stockpiling diesel, Irwin said, adding that a rail stoppage longer than two weeks could strand some diesel at Alberta refineries.
Those refineries include Imperial Oil's IMO.TO Strathcona, Suncor Energy's SU.TO Edmonton, Shell's SHEL.L Scotford Complex, North West Redwater's Sturgeon refinery and Cenovus' Lloydminster refinery.
Canada's gasoline markets tend to be localized and production stays in the region. Many major gasoline markets are connected directly to refineries by pipelines, while railways and trucks also distribute gasoline in other regions.
"Everyone is trying to get the inventories to a point where they could free rail logistics for 14 days and still be OK, said a senior industry executive who declined to be identified.
(Reporting by Arathy Somasekhar in Houston; Editing by Liz Hampton, Rod Nickel and Emelia Sithole-Matarise)
((arathy.s@thomsonreuters.com; +1 832 610 7346; Twitter: @ArathySom;))