Matthew Duprey GIS FP
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Transcript of Matthew Duprey GIS FP
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Analysis of Potentially Catastrophic
US Oil and Gas Wells
Matthew Duprey
Professor Metts
12/8/14
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The Project
• Factors incorporated in determining risk level:
• Depth of well
• Amount of oil or natural gas produced per well
• Proximity to major cities
• Proximity to water sources:
• Streams
• lakes and reservoirs
• “principal aquifers” (defined by the USGS)
• Proximity to water sources with existing levels of pollution
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Rationale and Potential Use
• Financial and practical purposes for federal/ state Departments of
Environmental Protection
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Step 1: Refine the Variables
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Step 2: Define “Dangerous” Criterion
• Water Sources:
• Streams:
• Close to stream = < 800 Meters (about
0.5 miles) from stream
• Lakes:
• On lake = < 1 Meter from lake
• Close to Lake = < 1610 meters (about 1
mile) from lake
• Aquifers:
• Close to aquifer = 0 meters from aquifer
• Internal Well Characteristics and Proximity to Major
Cities
• Deep well
• A well that is more than 12,000 feet deep
• High Producing well
• A one-mile radius with more than 129
producing wells
• Proximity to Major Cities
• Close to major city = < 32,200 meters
(about 20 miles) from major city
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Step 3: Convert the Data Into The Same Projection System
• (WGS 1984 and NAD 80 USA Contiguous Albers Equal Area Conic USGS Version)
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Step 4: Select by Attribute: All Wells into Deep Wells
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Step 4 (Continued) Select by Attributes: All Wells into High Producing Wells
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Step 5: Merge of High Producing and Deep Wells
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Step 6: Use of Near Tool
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Final Results
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Sources of Images
• http://a57.foxnews.com/global.fncstatic.com/static/managed/img/U.S./876/493/NDoilspill1.jpg?ve=1&tl=1
• http://setexasrecord.com/wp-content/uploads/2013/12/EPA_logo-150x150.jpg
• http://www.nmoga.org/wp-content/uploads/2012/11/bigstock-Oil-Well-And-Storage-Tanks-307094.jpg?2bcc40