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Branch of Environmental Sciences

Oil-Spill Modeling Program:  Oil-Spill Risk Analysis Reports

The Minerals Management Service produces oil-spill risk analyses (OSRAs) for proposed Outer Continental Shelf (OCS) oil and gas lease sales and developmental activities.

These analyses estimate the potential oil-spill risks that may be associated with offshore activities that occur once leases are awarded. It is important to remember that these are projections based on probability only. There is no way of knowing in advance, which tracts will be leased, which leases will see activity, what types of hydrocarbons may be recovered if any, the size of an actual spill, or even the prevailing weather conditions, should an accident occur.

Our most recent OSRA reports listed below are available in Adobe Acrobat pdf format.

Oil-Spill Risk Analysis Reports:

  Beaufort Sea Outer Continental Shelf Lease Sale 170,  Revised MMS 97-0039

  Beaufort Sea Planning Area, Sales 186, 195, And 202,, MMS 2002-058, W.R. Johnson, C.M. Anderson, C.F. Marshall, and E.M. Lear (ed.). 2002. U.S. DOI. 140 p. Available from HDQRS  while supply lasts, from NTIS PB 2002-109190, or on the web. (140 pages)

  Contingency Planning Statistics for Gulf of Mexico OCS Activities in the Walker Ridge Planning Area, MMS 2007-029, April 2007, Authors: Walter R. Johnson, Zhen-Gang Ji, Charles F. Marshall, and Eileen M. Lear (Editor) US DOI. 2007 (952 KB; 25 pages)

  Cook Inlet Planning Area, OCS Lease Sales 191 And 199, MMS 2002-074, W.R. Johnson, C.F. Marshall, C.F. and E.M. Lear (ed.). 2002. U.S. DOI. 76 p. Available from HDQRS or on the web. (76 pages)

  Destin Dome Development and Production Plan, MMS 98-0037 (NTIS PB98-159700), Authors: J.M. Price, C.F. Marshall, and E.M. Lear, ed. 1998. U.S. DOI. (302 pages)

  Gulf Of Mexico Outer Continental Shelf (OCS) Lease Sales, Central Planning Area And Western Planning Area, 2003-2007, And Gulfwide OCS Program, 2003-2042, MMS 2002-032 and Update Notice (July 2003), Zhen-Gang Ji, W.R. Johnson, C.F. Marshall, G.B. Rainey, and E.M. Lear, ed. 2002. U.S. DOI. 61 p. (HDQRS) Available on the web or from NTIS: PB2002-107675.  (69 pages)

  Gulf of Mexico Outer Continental Shelf (OCS) Lease Sales, Central Planning Area and Western Planning Area, 2007-2012, and Gulfwide OCS Program, 2007-2046, MMS 2007-040, June 2007, Zhen-Gang Ji, Walter R. Johnson, Charles F. Marshall, and Eileen M. Lear (ed.).  USDOI.  2007.  65 p.  Available from Headquarters or on the web. (3666 KB; 69 pages)

  Gulf Of Mexico Outer Continental Shelf (OCS) Lease Sales, Eastern Planning Area, 2003-2007, And Gulfwide OCS Program, 2003-2042, MMS 2002-069, Zhen-Gang Ji, W.R. Johnson, C.F. Marshall, G.B. Rainey, and E.M. Lear, ed. 2002. U.S. DOI. 71 p. (HDQRS) Available on the web. (71 pages)

  Liberty Development and Production Plan, MMS 2000-082, Authors: W.R. Johnson, C.F. Marshall, and E.M. Lear, ed. 2000. U.S. DOI. (57 pages)

  Pacific Outer Continental Shelf Program, MMS 2000-057, Authors: W.R. Johnson, C.F. Marshall, E.M. Lear, ed. 2000. U.S. DOI. (290 pages)

  Sivulliq Exploration Project.  Authors:  Walter R. Johnson, MMS 2007-039, June 2007, Charles F. Marshall, and Eileen M. Lear (ed.).  USDOI. 2007. 59 p. Available from Headquarters or on the web.  (2000 KB; 63 pages)

  Supplement to Oil-Spill Risk Analysis: Beaufort Sea Planning Area, OCS Lease Sale 202, MMS 2007-041, July 2007, Authors: Walter R. Johnson, Charles F. Marshall, and Eileen M. Lear (ed.),  US DOI. 2007. (269 KB; 27 pages)

  Use of Floating Production, Storage, and Offloading (FPSO) Systems in the Gulf of Mexico, MMS 2000-059, Authors: J.M. Price, C.F. Marshall, E.M. Lear, ed. 2000. U.S. DOI. (283 pages)