The following table lists unplanned and planned production outages at U.S. refineries as reported by Dow Jones Newswires. The information is compiled from both official and unofficial refining sources and doesn't purport to be a comprehensive list.

BP Plc. (BP) said Aug. 20 the ultracracker at its refinery in Texas City, Texas, will resume normal operations after a compressor trip caused it to malfunction the day before.

Tesoro Corp. (TSO) said Aug. 19 a tripped unit caused sulfur dioxide emmissions at its refinery in Wilmington, Cali. The company did not specify which unit had the trouble.

Delek Holdings USA said Aug. 18 an electrical storm caused a power outage at its refinery in Tyler, Texas.

Exxon Mobil Corp. (XOM) said on Aug. 16 its refinery in Beaumont, Texas, resumed operations after an electrical outage the day before. Exxon still expected to meet its contractual supply committments, according to the company's filing with the Texas Commission on Environmental Quality.

Royal Dutch Shell (RDSA.LN) said Aug. 15 that a mechanical failure occured at its refinery in Martinez, Ca., resulting in more than 100 pounds of sulfur dioxide being emitted. A fire broke out at a processing unit in the same refinery on Aug. 13.

Citgo Petroleum said Aug. 14 that the FCCU at its refinery in Lemont, Ill., was shuttered with no estimate for restart. The unit had gone down for unplanned repair on July 28.

Citgo said Aug. 10 that workers were putting back online a compressor that tripped at the coking unit of its refinery in Lemont, Ill.

Sunoco Inc.'s (SUN) Alkylation Unit 869 returned to service on Aug. 9 after going into circulation mode on Aug. 3 to facilitate compressor repair, a filing to environmental regulators made available on Aug. 10 said.

Pasadena Refining Systems Inc. on Aug. 10 reports flaring of off-spec product at its Pasadena, Texas, refinery.

Valero Energy Inc. (VLO) on Aug. 10 said an FCCU at its St. Charles refinery in Norco, La., will return to service before the end of August. It was shut on Aug. 10 for unplanned repairs.

A Bloomberg report on Aug. 8 said Chevron's (CVX) fire-struck Richmond, Calif., refinery is operating at about 60% of capacity after the Aug. 6 fire that shut only the plant's CDU.

The Borger Refinery in Borger, Texas, reported a process upset on Aug. 8 listing Areas C and D as the sources of emissions; no other details were provided in a filing to environmental regulators.

HollyFrontier Corp. (HFC) on Aug. 8 said repairs to the fire-struck diesel hydrotreating unit at its Tulsa East refinery in Okla., would take six to eight weeks. The fire and shutdown occurred on Aug. 2.

Citgo Petroleum Corp. on Aug. 8 said the FCCU shut for unplanned repair at its Lemont, Ill., refinery on July 28 is in restart mode.

BP-Husky will begin four weeks of scheduled maintenance at an FCCU and coker unit compressors on Sept. 13, a person familiar with operations at the plant said on Aug. 7.

PBF Energy said equipment malfunction on Aug. 6 at its Delaware City refinery in Delaware caused an emissions release of sulfur dioxide. No further information was provided in the filing to environmental regulators.

Valero Energy Corp. (VLO) on Aug. 6 said its Benicia, Calif., refinery FCCU is on track to reach normal rate by mid-August. The unit began the process of restarting on Aug. 6; it was shut on July 26 for unplanned repair to an associated compressor.

For more detailed information, search Dow Jones Newswires using the code N/REF.

Operator   Refinery    Capacity   Description                   Restart 
                       (in 000s 
PBF      Delaware      190.0  Equipment malfunction on Aug. 
Energy   DE                   6 caused emissions; no further 
                              details available. 
Sunoco   Phila. PA     330.0  Alkylation Unit 869 resumed 
                              service on Aug 9; it was placed 
                              on circulation mode on Aug 3 
                              for compressor repair. 
Borger   Borger, TX    146.0  Refinery reports upset at un- 
                              specified unit(s); filing lists 
                              Areas C and D of the plant as 
                              sources of emissions. 
Motiva   Port Arthur   600.0  Newly commissioned 325,000-b/d     Early 
         TX                   CDU was shut by a small fire       2013 
                              over the Jun 9-10 weekend. Re- 
                              start seen in early 2013; lengthy 
                              repairs needed to correct cor- 
                              rosive issue at new equipment. 
Pasadena Pasadena, TX  100.00 Flaring of off-spec product re- 
Refining                      ported to regulators on Aug. 10. 
Valero   Norco, LA     270.0  FCCU shut on Aug 10 is expected 
                              to return to service before the 
                              end of August, the Co. said. 
Citgo    Lemont, IL    167.0  FCCU shut Jul 28 for unplanned    Aug 8 
                              repair in Tulsa East Plant is in 
                              restart mode, an Aug 8 filing to 
                              regulators said. 
                              Refinery operations are being 
                              affected by Enbridge crude oil 
                              pipeline shutdown since July 27, 
                              the Co. said on July 30. 
Holly    Tulsa, OK     125.0  Repair to diesel hydrotreater 
                              shut by a fire on Aug 2 will 
                              take 6-8 weeks, the co. said 
                              on Aug 8. 
Valero   Benicia, CA   170.0  FCCU shut on July 26 for un-       Mid- 
Energy                        planned compressor repairs be-     Aug. 
                              gan the process of restarting 
                              on Aug. 6. Planned rate expected 
                              by mid-August, the Co. said. 
Chevron  Richmond,     245.0  An Aug 8 Bloomberg report said 
         CA                   the refinery is operating at 60% 
                              of capacity. 
                              CDU No. 4 is shut after Aug 6 
                              fire. Most other process units 
                              continue to operate, the co. 
                              said on Aug 8, but the amount of 
                              fuel being produced is unclear. 
                              Compressor failure at unspe- 
                              cified unit resulted in flaring 
                              on Aug 1; a filing said. No 
                              other details were provided in 
                              a filing to regulators. 
Husky    Saskatchewan         Major turnaround to take place     Spring 
Refinery                      in spring of 2013. Plant-wide      2013 
                              shutdown for inspection and 
                              equipment repairs. 
Valero   Aruba                Refinery still up for sale, the 
                              Co. said on July 31, 2012. 
Monroe   Trainer, PA   185.0  Delta Airlines subsidiary buys     Late 
Energy                        refinery in April, plans turn-     Summer 
                              around through summer. Startup     2012 
                              planned in late summer 2012. 
Sunoco   Philadelphia  335.0  Energy Partners buys Sunoco Inc.;  4Q 
         PA                   deal to close 4Q 2012.             2012 
Sunoco   Marcus Hook   190.0  Marcus Hook shut Dec. 1 ahead of 
                              schedule due to poor refining 
Valero   Houston, TX   160.0  Eight weeks of maintenance set     Oct/Nov 
                              to begin in Sept. 2012 at FCCU.    2012 
Valero   McKee    TX   170.0  Expansion project announced 
                              March 2011 to increase crude oil 
                              throughput by 25,000 b/d to 
                              195,000 b/d. 
Valero   Norco, LA     185.0  Hydrocracker project will pro-     2013 
                              ceed and be completed in late 
                              2013, the co. said on 7/27/10. 
                              Upgrade project to build           2012 
                              a new diesel hydrotreater 
                              unit moved from 2010 to 
                              4Q 2012. 
Valero   Port Arthur   325.0  Hydrocracker project will pro-     Late 
         TX                   ceed and be completed in late      2012 
BP       Whiting, IN   336.0  Largest of 3 CDUs will shut in     2nd- 
                              4Q 2012 for expansion project,     Half 
                              the Co. said July 31. Project      2013 
                              completion set 2nd-half 3013. 
BP/Husky Toledo, OH    160.0  4 weeks of maintenance will        Oct 11 
                              begin at FCCU and coker com- 
                              pressors on Sep 13, a person 
                              familiar with the plant said 
                              on Aug 7. 
CVR      Wynnewood      54.0  30-40 days maintenance planned     Q3 
         OK                   in 3rd Q 2013, the co. said on     2013 
                              Nov. 3, 2011. 
Holly    Tulsa, OK     125.0  The entire refinery will be shut   Late 
Frontier                      while West Plant section under-    2012 
                              goes major turnaround maintenance 
                              in late 2012, the Co. said on 
                              Aug. 5, 2011. 

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Husky    Lima, OH      160.0  30-day maintenance will begin      Sept 
Energy                        in Sept. the Co. said on July 24.  2012 
                              Scope of work not disclosed. 
                              15-day maintenance planned at      4Q 
                              diesel hydrotreater; 29-days at    2012 
                              aromatics unit, set for 4Q 2012, 
                              the Co. said on Feb 9. 
                              New 20,000-b/d kerosene hydro-     1stH 
                              treater will start up in 1st       2013 
                              half 2013, to co. said on Feb 9, 
                              45-days of major turnaround 
                              scheduled in 2014; 70% of units 
                              involved. Remaining 30% will under 
                              go major turnaround in 2015, the 
                              co. said on Feb 9, 2012. 
Tesoro   Mandan, ND     58.0  Total crude-oil processing capa-   2nd Q 
                              city to increase by 17% to         2012 
                              68,000-b/d by 2nd quarter 2012. 
BP PLC   Carson, CA    265.0  Planned flaring event will         Aug 20 
                              start on Aug. 4 through Aug. 20, 
                              the co. said in a filing on Aug. 
                              2. The event isn't due to equip- 
                              ment breakdown. 
Copyright (c) 2012 Dow Jones & Company, Inc. 

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