Oil Platform Risk Assessment in the Gulf of Mexico
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Oil Platform Risk Assessment in the Gulf of Mexico
UNC-Chapel Hill GEOG 491November 29, 2010
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Overview
• Objective: Perform a risk assessment analysis for active oil platforms in the Gulf of Mexico that incorporates environmental, economic, and human factors.
• Environmental factors: Hurricanes, Sea Floor Sediment Type, Species
• Economic factors: State Oil Dependency, Industry Impact, Platform Value
• Human factors: Safety, Maintenance, Technology
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Analysis Schematic Diagram
Oil Platform Disaster
Environmental Risk
Economic Risks
Human Risk
Environmental Impact
Economic Impact
Human Impact
http://www.prisonplanet.com/images/june2010/090610top.jpg
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Case Study: Deepwater Horizon (BP)
• Maps of Oil Spill• Environmental/Economic Data• Major causes (human error, env., etc.)• Major impacts (economic, environmental, etc)• Motivation for our study (assessing potential
for similar disasters on active platforms)
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Environmental Risk Factors
Stone Crab
Hurricanes
Red DrumPink ShrimpDolphins
Sediment Type
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Hurricanes
*Select byAttributes
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*Line Density
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SPECIES
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Sediment Type
1 (Low) 2 3 4 (High)Hard banks Sand Silt Clay
Gravelly Sand
Sand Silt Clay
Sandy Clay Silty Clay
Sandy Silt Silty Sand Clayey Silt
*Reclassify
*Features to Raster
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*Raster Calculator
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*Composite = 0.5*[hurricane_risk] + 0.4*[sediment_risk] + 0.1*[species_risk]
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Economic Risk Factors
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Who are the big players?OIL PROD. RANK COMPANY NAME CASING HEAD GAS GAS TOTAL GAS CONDENSATE CRUDE OIL TOTAL OIL
1BP Exploration & Production Inc. 166,070,901 6,146,156 172,217,057 4,104,078 172,465,896 176,569,974
2 Chevron U.S.A. Inc. 62,385,975 143,302,884 205,688,859 3,065,560 77,786,322 80,851,882 3 Shell Offshore Inc. 97,665,600 77,271,947 174,937,547 2,797,104 72,762,999 75,560,103
4BHP Billiton Petroleum (GOM) Inc. 16,966,611 - 16,966,611 - 40,259,374 40,259,374
5Anadarko Petroleum Corporation 23,502,464 204,699,776 228,202,240 4,175,840 22,365,482 26,541,322
6 Apache Corporation 25,153,445 125,597,954 150,751,399 3,978,782 14,296,681 18,275,463
7
Murphy Exploration & Production Company - USA 18,268,848 - 18,268,848 - 17,196,384 17,196,384
8 Hess Corporation 2,436,815 56,853,854 59,290,669 13,474,485 1,268,819 14,743,304 9 Eni Petroleum Co. Inc. 10,240,386 102,826,086 113,066,472 2,232,866 11,062,050 13,294,916
10Exxon Mobil Corporation 9,947,143 76,407,624 86,354,767 665,116 7,832,333 8,497,449
11-124 Bottom 114 Companies 120,378,916 983,473,946 1,103,852,862 26,602,868 73,241,501 99,844,369
31%
14%
13%7%
5%3%
3%3%2%1% 17%
BP Exploration & Production Inc.Chevron U.S.A. Inc.Shell Offshore Inc.BHP Billiton Petroleum (GOM) Inc.Anadarko Petroleum CorporationApache CorporationMurphy Exploration & Production Company - USAHess CorporationEni Petroleum Co. Inc.Exxon Mobil CorporationBottom 114 Companies
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Other Possible StudiesEnvironmental Economic Human
Shoreline Environmental Sensitivity Index (ESI) – Assesses shoreline vulnerability to oil spills on a scale of 1-10.At-risk species (more variety and oil-specific vulnerability calculation)Specific habitat impact analysis (Coral, nesting, spawning locations)