John Roesink and Jason Anderson Wasatch-Green River Resource Play AAPG 2013 Annual Convention Uinta Basin, Utah Discovery Thinking Forum 5.20.2013 1
Play Overview Wasatch/Green River Oil Play Covers Approximately 1,500 sq mi Multi-Stacked Resource Play - Spacing Ranges from 40-160 acre Development Mix of Tribal, Federal, State and Fee Leases and Surface Ownership Established…
Acknowledgements At BBC: Terry Barrett, Anna Young, Justin Pivik, John Conner, Dan Pritchard Formerly at Bill Barrett Corporation and/or Barrett Resources: Kurt Reinecke, Roy Roux, Fred Barrett, Ric Kopp Colleagues in the Basin: NFX…
Discussion Basin Location and Overview Geologic Setting and the Tertiary Lacustrine Petroleum System Regional Cross-Sections Strike and Dip Changes in Reservoir Evolution of Wasatch/Green River Production from 1949 to 2013…
Salt Lake City Pittsburgh Houston 7
8
Vernal Roosevelt Basin and Range Colorado Plateau 9
Vernal Roosevelt Basin and Range Colorado Plateau 10
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Bluebell Atlamont Cedar Rim Monument Brundage Butte Canyon Natural Buttes 12
Fieldnames Bluebell Atlamont Cedar Rim East Bluebell South Altamont Blacktail Ridge Lake Canyon Monument Butte Natural Brundage Canyon Buttes 13
Discussion Basin Location and Overview Geologic Setting and the Tertiary Lacustrine Petroleum System Regional Cross-Sections Strike and Dip Changes in Reservoir Evolution of Wasatch/Green River Production from 1949 to 2013…
Depositional Environment: Wasatch/Green River Formations are 34-56 mya Altamont Deposition of Paleo-Lake trends Bluebell southwest from known fields Salt Lake Altamont-Bluebell development City targets northern shore facies…
Depositional Environment: Lake Levels Oscillate, Reservoirs Stack Alluvial fan deltas Monument Butte: North Sand Thinner dunes Targets Lake Mud Uinta flats Shallow shelf Altamont- South Bluebell: Thick Carbonate…
The Producing Interval: Geology Changes from South to North Altamont/Bluebell/BTR Monument Butte West Tavaputs Northerly sourced reservoirs Discontinuous sands pinch-out southward and seal Sourced from down-dip. N into source. Rocks…
Uinta Basin Completed Producing Intervals Green River Altamont Monument East Bluebell Butte Bluebell Core Upper Green River Crude Type Mahogany Bed Asphaltic Oil Only selected zones are completed TGR3 Lower Green…
Uinta Oil: Oil Parameters *Asphaltic Upper Green River Crude is currently uneconomic due to cost of trucking to refineries in Wyoming or Nevada 19
Discussion Basin Location and Overview Geologic Setting and the Tertiary Lacustrine Petroleum System Regional Cross-Sections Strike and Dip Changes in Reservoir Evolution of Wasatch/Green River Production from 1949 to 2013…
Fieldnames A Bluebell Atlamont East Bluebell Cedar Rim South Altamont B B Blacktail Ridge C C A Lake Canyon Monument Butte Natural Brundage Canyon Buttes 21
North South A A Upper Green River Lower Green River Wasatch 1000 VE=24x 22
North South A A Upper Green River Lower Green River Wasatch Perfs 1000 VE=24x 23
North South A A Upper Green River Lower Green River 1000 Wasatch VE=15x 24
North South A A Upper Green River Lower Perfs Green River 1000 Wasatch VE=15x 25
West East B B Upper Green River Lower Green River Wasatch 1000 VE=31x 26
West East B B Upper Green River Lower Green River Wasatch Perfs 1000 VE=31x 27
West East B B Upper Green River Lower Green River Wasatch 1000 VE=24x 28
West East B B Upper Green River Lower Green River Wasatch Perfs 1000 VE=24x 29
West East C C Upper Green River Lower Green River Wasatch 1000 VE=36x 30
West East C C Upper Green River Lower Green River Wasatch Perfs 1000 VE=36x 31
West East C C Upper Green River Lower Green River Wasatch 1000 VE=21x 32
West East C C Upper Green River Lower Green River Wasatch Perfs 1000 VE=21x 33
Discussion Basin Location and Overview Geologic Setting and the Tertiary Lacustrine Petroleum System Regional Cross-Sections Strike and Dip Changes in Reservoir Evolution of Wasatch/Green River Production from 1949 to 2013…
Operators by Area Devon EP Energy BBC Crescent Point Newfield Axia BBC Finley Berry 35
n=66 14 1950s 36
n=66 14 262,000 bbl 3.07 1950s 37
n=167 33 1960s 38
n=167 33 455,000 bbl 3.35 1960s 39
n=608 99 1970s 40
n=608 99 2,452,000 bbl 32.50 1970s 41
n=1262 235 1980s 42
n=1262 235 1,445,000 bbl 39.50 1980s 43
n=1230 241 1990s 44
n=1230 241 954,000 bbl 35.92 1990s 45
n=3300 604 2000s 46
n=3300 604 1,400,000 bbl 133.93 2000s 47
n=2022 771 2010s 48
n=2022 771 2,112,000 bbl 110.04 2010s 49
Nice History but what about the future Was Historical High Production a From a Sweet Spot in a Resource Play Did the Best Wells Get Drilled First and Were Traversing Down the Creaming Curve What Upside Exists from Continued…
Month of Production: 01 51
Month of Production: 12 52
Month of Production: 24 53
Month of Production: 36 54
Month of Production: 48 55
Month of Production: 60 56
Month of Production: 120 57
Month of Production: 01 58
Discussion Basin Location and Overview Geologic Setting and the Tertiary Lacustrine Petroleum System Regional Cross-Sections Strike and Dip Changes in Reservoir Evolution of Wasatch/Green River Production from 1949 to 2013…
Play Challenges What Created the Opportunity Topography Business Cycles and Fluctuations in Commodities Market Acreage Positions Built, Lost, Rebuilt Difficulty of Log Interpretation Dispersed Solid Hydrocarbon in Pore Space…
The Future of the Play as We See It Horizontal Targets in Distal, Deeper Water Setting in Basin Center Optimal Spacing and Pattern for Infill Drilling TVD 13H-20-46 4,560 Continued Extension of Field to Southwest, South, and…
Conclusions The Tertiary Wasatch/Green River System in the Uinta Basin presents distinct challenges and opportunities for operators Geographic Limits of the play are not Green River fully understood, even 60 years into…