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Coker Ups and Downs

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  • #4087


    Valero Port Arthur reduces rates on coker, cracker snags
    NEW YORK, Oct 12 (Reuters) – Valero Energy Corp. reduced the crude input at its Port Arthur, Texas,

    refinery late Wednesday following problems with a coker and hydrocracker, traders said on Thursday.
    Traders were unsure how long the reduction would last. The refinery has a throughput capacity of 295,000 barrels per day with 105,000 bpd of coking capacity and 45,000 bpd hydrocracking capacity.
    In a filing with state environmental regulators, the company said on Tuesday, Oct. 10, at about 9:00 pm local time, an upset occurred in Area 3.
    “Operations lost the ability to pump out the bottoms from the fractionator on the Delayed Coking Unit and the charge filters began to plug on the Hydrocracker Unit,” said the filing with the Texas Commission for Environmental Quality.


  • #7495


    NEW YORK, Nov 13 (Reuters) – Valero Energy Corp.reduced the amount of feedstock being taken in by delayed coking and gulfining units at its 260,000 barrel-per-day refinery in Port Arthur, Texas, on Sunday, according to a report filed with the Texas pollution regulator on Monday.
    Shutdown of sulfur reduction processes on two sulfur reduction units at the refinery led to reducing feedstock going to a delayed coker and a gulfining unit and another gulfining unit being placed on circulation, according to the notice filed with the Texas Commission on Environmental Quality.

  • #7494


    HOUSTON, Nov 28 (Reuters) – Valero Energy Corp. was investigating a leak in a blowdown line on a delayed coking unit at its 260,000 barrel per day crude throughput refinery in Port Arthur, Texas, according to a notice filed on Tuesday with the state pollution regulation agency.
    Off-gas streams from a diesel hydrotreater and a hydrocracker at the refinery were routed to a flare at the refinery due to the leak investigation, according to the notice filed with the Texas Commission on Environmental Quality.
    The search for the leak may continue through Tuesday, according to the notice.

  • #7493


    NEW YORK, Dec 29 (Reuters) – Motiva Enterprises Port Arthur, Texas, refinery took its 49,500 barrels per day delayed coker out of service on Friday for six days of repairs following the discovery of a leak in some bundles to tubing, the company said in a filing with Texas regulators.
    Motiva is a joint venture between Royal Dutch Shell Plc and Saudi Aramco, the state oil company of Saudi Arabia.

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