FACTBOX - Oil companies check for damage after Gustav

(Reuters) - Oil companies are checking their oil rigs, refineries and pipelines for damage Tuesday, a day after Hurricane Gustav slammed the U.S. Gulf of Mexico coast in the first big storm threat to U.S. energy supplies since 2005.

Initial checks revealed only limited damage, though a huge chunk of the nation's oil and refining capacity was expected to remain offline for at least a couple of days.

The following outlines Gustav's impact on the energy sector:

***************************HIGHLIGHTS*************************

*100 percent of U.S. Gulf of Mexico oil output shut

*95.4 percent of U.S. Gulf natgas output shut

*33.7 percent of U.S. refining affected, 15.4 percent shut,

18.3 percent at reduced rates.

*1.1 million Louisiana, Mississippi customers without power, 32 percent of total - Department of Energy.

*Initial assessments reveal little or no platform, rig or

refinery damage, but considerable electrical damage.

*US waives gasoline standards in parts of Texas and

Louisiana, ready to release emergency crude

********************CRUDE OIL, NATURAL GAS********************

*100 percent of U.S. Gulf of Mexico's 1.3 million barrels

per day crude output shut as of Sunday, according to U.S.

government.

*95.4 percent of the Gulf's 7.4 billion cubic feet per day

natural gas output shut as of Sunday.

RESTART AND RECOVERY

*ConocoPhillips (COP.N) Magnolia production platform minor

damage, already shut for maintenance, no restart plan.

*Anadarko (APC.N) remote sensing shows no big

platform, rig damage.

*Shell (RDSa.L) returning crews outside Gustav path, doing

flyover inspections of platforms in Gustav path.

*BP (BP.L) doing flyovers, hopes to start returning crews

Wednesday, no restart schedule yet.

*************************REFINING******************************

*14 refineries with capacity of 2.72 million bpd shut

*10 refineries with capacity of 3.23 million bpd at reduced

rates

REFINERIES NOT PRODUCING FUEL:

*ExxonMobil 503,000 bpd Baton Rouge, 193,000 bpd

Chalmette, Louisiana.

*Murphy (MUR.N) 120,000 bpd Meraux, Louisiana

*ConocoPhillips (COP.N) 239,000 bpd Lake Charles and

195,000 bpd Alliance, Louisiana, refineries

*Motiva 236,000 bpd Norco, Louisiana; 235,000 bpd

Convent, Louisiana refinery on standby.

*Marathon (MRO.N) 256,000 bpd Garyville, Louisiana.

*Calcasieu 80,000 bpd Lake Charles, Louisiana

*Alon (ALJ.N) 80,000 bpd Krotz Springs, Louisiana

*Valero (VLO.N) 250,000 bpd St. Charles, Louisiana

*Total 232,000 bpd Port Arthur, Texas.

*Shell 55,000 bpd St. Rose, Louisiana. (DOE report

unconfirmed by Reuters)

*Placid 56,000 bpd Port Allen, Louisiana (DOE report

unconfirmed by Reuters)

REFINERIES AT REDUCED RATES:

*ExxonMobil 567,000 bpd Baytown, Texas; 349,000 bpd

Beaumont, Texas

*Citgo 430,000 bpd Lake Charles, Louisiana

*Valero 325,000 bpd Port Arthur, Texas; 130,000 bpd

Houston, Texas, 245,000 bpd Texas City, Texas

*Motiva 285,000 bpd Port Arthur, Texas

*Chevron 330,000 bpd Pascagoula, Mississippi

*BP 467,700 bpd Texas City, Texas

*Pasadena Refining 100,000, Texas (DOE report unconfirmed

by Reuters)

RESTART AND RECOVERY:

*Total restarting 232,000 bpd Port Arthur refinery.

*Exxon Mobil Chalmette has no flooding - sheriff.

*Murphy Meraux has no flooding - sheriff.

*ConocoPhillips Alliance has no flooding - sheriff.

*Valero St. Charles sees no big damage, has power

*Shell, Exxon may seek SPR crude loans - governor

**********************ELECTRIC POWER**************************

*About 1.1 million customers in Louisiana and Mississippi without power.

*Entergy (ETR.N) says Louisiana outage second worst in

history, after Rita in 2005.

*Entergy's Waterford 3 nuclear plant shut Sunday night;

River Bend nuclear plant shut due to load concerns.

RESTART AND RECOVERY:

*Entergy starting surveys necessary before trying

to restore power; transmission is first priority.

*******************SHIPPING AND PORTS*************************

*Louisiana Offshore Oil Port stopped unloading ships

Saturday and shut flows from storage Sunday

*Houston Ship Channel closed to inbound traffic at

midnight Sunday (6 a.m. Monday British time), all outbounders

already gone

*Mississippi River traffic at New Orleans halted inbound

at noon (6 p.m. British time) Saturday, outbound as of 6 p.m. CDT

(2300 GMT).

*Traffic at Lake Charles, Louisiana, halted Sunday

*Traffic at Beaumont and Port Arthur, Texas, halted

Sunday

*Gulf Intracoastal Waterway closed Mississippi to

Florida

RESTART AND RECOVERY:

*Houston Ship Channel reopens for traffic.

*LOOP doing damage assessments.

*************************PIPELINES****************************

*25 of 31 major natgas processing plants in path of

Gustav, 16.1 Bcfd capacity, shut - DOE

*14 offshore natural gas pipelines in force majeure -

DOE.

*Capline and LoCap crude lines shut, 1.2 mmbpd -DOE

*Explorer Pipeline says entire 700,000 bpd products

pipeline, Gulf Coast to Chicago, available Monday night

*El Paso's (EP.N) said its Tennessee and Southern Natural

gas pipelines offshore throughput cuts total 2.5 Bcfd.

*TEPPCO's TPP.N 340,000 bpd products line from Texas to

Northeast cuts run rates, Beaumont distillate line

down.

*Henry Hub natural gas trading hub shut Sunday.

*Enbridge (ENB.TO) (EEP.N) stopped taking natural gas

production Saturday on systems with 6.7 Bcfd capacity.

*Colonial says Texas-to-North Carolina distillate line

shut due to evacuations.

*Spectra Texas eastern gas line, Louisiana storage shut.

RESTART AND RECOVERY:

*TEPPCO refined products line resumes normal operations.

*Henry Hub operator inspecting key gas junction with eye

to restart.

(Reporting by Bruce Nichols, Erwin Seba; Editing by Richard

Valdmanis)