Oil and Gas Factbox: Eastern Gulf of Mexico Braces for Nate

S&P Global Platts
Written By: Janet McGurty, Jim Magill, Starr Spencer and Mary Hogan
S&P Global Platts
Written By: Janet McGurty, Jim Magill, Starr Spencer and Mary Hogan

New York (Platts)--6 Oct 2017 423 pm EDT/2023 GMT

Eastern US Gulf of Mexico oil and gas operators are preparing for Tropical Storm Nate, beginning to shut production and shut refineries ahead of the storm's landfall.

Tropical Storm Nate is expected to make landfall on the Mississippi/Louisiana border on Sunday at hurricane strength, according to the National Hurricane Center.

The US Bureau of Safety and Environmental Enforcement on Friday said 71.1%, or 1.24 million b/d, of US Gulf of Mexico oil production and 53.2%, or 1.7 MMcf/d, of natural gas had been shut in ahead of Nate. A total of 66 oil and gas production platforms, or 8.96%, of the 737 manned platforms in the Gulf of Mexico have been shut in, according to BSEE data.

This includes the following:

Oil Platforms/Pipeline

  • Shell on Friday said it was securing its Mars, Ursa, Olympus and Ram Powell production hubs in the Eastern Gulf of Mexico, shutting in production to the Mars Pipeline system. The 163-mile line carried 506,000 b/d of medium sour crude into Clovelly, Louisiana, in the second quarter, according to operator Shell Midstream Partners.
  • Murphy Oil on Friday said it had evacuated all personnel and shut in all production from the two oil-producing platforms it operates in the central Gulf of Mexico, Front Runner and Medusa.
  • Chevron on Friday said it has shut in production at its Blind Faith, Genesis, Jack/St. Malo, Petronius and Tahiti platforms in the Gulf of Mexico.
  • Murphy Oil on Friday said it had evacuated all personnel and shut in all production from the two oil-producing platforms it operates in the central Gulf of Mexico, Front Runner and Medusa.
  • BP on Thursday said it had begun removing all remaining offshore personnel and shutting-in production at BP?s four operated platforms, including Thunder Horse and Na Kika, which produce 250,000 b/d and 130,000 b/d, respectively.
  • BHP said Thursday it was "in the process of shutting in and securing our Green Canyon production platforms, Shenzi and Neptune" with full evacuation expected Friday.

Natural Gas Pipelines/Platforms

  • Destin Pipeline Friday said it continues to plan for the evacuation of all staff from the Destin MP260 platform. Until further notice, Destin projects gas flows from offshore receipt points will be less than the minimum requirement of 160 MMcf/d to sustain operations of the Pascagoula Gas Processing Plant.
  • Chandeleur Pipe Line has received notice that, in preparation for potential impacts from Nate, Cantium will shut platforms MP-41B and MP-41L on Friday and until further notice. As a result, effective Friday for Intraday 1 cycle, Chandeleur will no longer accept nominations for receipts and deliveries from MP-41L and MP-41L until further notice.
  • Manta Ray Offshore Gathering said Friday it would evacuate all personnel at the Ship Shoal 332A and Ship Shoal 207 platforms Friday. The Cleopatra Gathering Pipeline receipt point and Walker Ridge receipt (meter no. 7W332R) and delivery (meter no. 7W332D) points at the Ship Shoal 332A platform will be shut when personnel leave the platform this afternoon and will remain shut until further notice, the company said.
  • The NPL-B 207 (meter no. 8N207B) delivery point at the Ship Shoal 207 platform would be shut-in when personnel leave the platform Friday afternoon and will remain shut-in until further notice, Manta Ray said.
  • Enbridge Offshore Facilities announced Friday that all personnel at the Venice Condensate Stabilizer facility would be evacuated and the facility would be taken out of service temporarily, until personnel can safely return to the facility. As a result, Mississippi Canyon Pipeline said it would be unable to deliver retrograde condensate off its system, and will remain out of service until operations at the Venice Condensate Stabilizer facility resume.
  • Garden Banks Pipeline said Friday it was evacuating all personnel from its South Marsh Island 76 platform. At this time, Garden Banks remains in service.

Refineries

  • Phillips 66 said it was preparing to shut down its 247,000 b/d Alliance refinery in Belle Chasse, Louisiana, ahead of Nate. The refinery accounts for 9% of the Louisiana and Mississippi refining capacity under threat from Nate and 2.6% of all USGC refinery capacity.
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