2.8 1.4 60 130 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 0 1000 0 300 B-Groove R-7 (Mahogany Zone) A-Groove R-8 R-6 L-5 R-5 ?? 670 ft 681 ft 779 ft 821 ft 989 ft 1061 ft Wavy Tuff (634.8 - 637.7 ft) Density (g/cm 3 ) Sonic (us/ft) Gamma Ray (API) Resistivity (ohms) Fischer Assay Oil Yield (gal/ton) 0 20 40 60 80 Curly Tuff (779.8 - 782.4 ft) Mahogany Marker (702.6 - 703.1 ft) Mahogany Bed (717 ft) Depth (ft) Green River / Uinta ?? 35 gpt (714-734 ft) 25 gpt (690-748 ft) 15 gpt (682-928 ft) 50 gpt (716-722 ft) 600 700 800 900 B-Groove R-7 (Mahogany Zone) A-Groove R-6 670 ft 681 ft 779 ft 821 ft Wavy Tuff (634.8 - 637.7 ft) Curly Tuff (779.8 - 782.4 ft) Mahogany Marker (702.6 - 703.1 ft) Mahogany Bed (717 ft) Depth (ft) 35 gpt (714-734 ft) 25 gpt (690-748 ft) 15 gpt (682-928 ft) 50 gpt (716-722 ft) 2.8 1.4 60 130 0 1000 0 300 Density (g/cm 3 ) Sonic (us/ft) Gamma Ray (API) Resistivity (ohms) Fischer Assay Oil Yield (gal/ton) 0 20 40 60 80 Mahogany bed outcrop County Township and Range (Salt Lake Base Line and Meridian Uintah Base Line and Meridian) Well with core located at the Utah Core Research Center County Seat 20 0 20 40 Kilometers 10 0 10 20 Miles Duchesne 15E 16E 17E 18E 19E 20E 21E 22E 23E 24E 25E 18S 19S 10S 11S 12S 13S 14S 15S 16S DUCHESNE WASATCH UTAH CARBON EMERY GRAND UINTAH 5E 6E 7E 8E 9E 10E 11E 12E 13E 14E 25E 24E 23E 22E 21E 20E 19E 12W 11W 10W 9W 8W 7W 6W 5W 4W 3W 2W 1W 2N 1N 1S 3S 4S 5S 6S 7S 7S 8S 9S 10S 11S 12S 13S 14S 15S 16S 17S 3S 4S 5S 6S 7S 8S 9S Vernal 1E P-4 P-4 Utah State 1 South Uinta Basin 12 South Uinta Basin 12 X-2 South Uinta Basin 3 B-Groove Mahogany Bed Fischer Assay Oil Yield (gal/ton) 0 20 40 60 80 35 gpt (495-530 ft) 25 gpt (469-542 ft) 15 gpt (340-563 ft) 50 gpt (499-511 ft) B-Groove R-7 (Mahogany Zone) A-Groove R-8 R-6 ?? 460 ft 470 ft 547 ft 560 ft Wavy Tuff (436.6 - 438.8 ft) Curly Tuff (548.1 - 549.3 ft) Mahogany Marker (490.9 - 491.4 ft) Mahogany Bed (504 ft) Green River / Uinta ?? 35 gpt (495-530 ft) 25 gpt (469-542 ft) 15 gpt (340-563 ft) 50 gpt (499-511 ft) 300 400 500 B-Groove R-7 (Mahogany Zone) A-Groove R-6 460 ft 470 ft 547 ft 560 ft Wavy Tuff (436.6 - 438.8 ft) Curly Tuff (548.1 - 549.3 ft) Mahogany Marker (490.9 - 491.4 ft) Mahogany Bed (504 ft) 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 Depth (ft) Fischer Assay Oil Yield (gal/ton) 0 20 40 60 80 Well Name: P-4 Operator: White River Shale Project Cored Interval: 52 - 1173 ft Ground Elevation: 5719 ft Location: Uintah County, 10S 25E, Sec. 19, NESE, UTM E 659426, UTM N 4421812 Well Name: South Uinta Basin 12 Operator: U.S. ERDA-LERC Cored Interval: 61 - 621 ft Ground Elevation: 6261 ft Location: Uintah County, 12S 24E Sec. 19, NWSE, UTM E 648046, UTM N 4402078 (no geophyscial logs available) Stratigraphic Units Stratigraphic Units R-8 The colored blocks represent continuous zones averaging 15, 25, 35, and 50 gallons of shale oil per ton of rock, with footages in parentheses. R-8 Stratigraphic Units Core from the P-4 well illustrating the color differ- ence between the rich Mahogany Zone and lean B-Groove. Utah oil shale Box 1 Box 1 Box 2 Box 2 Box 3 Box 3 Box 4 Box 4 Box 5 Box 5 Displayed Core Displayed Core 720 ft 720 ft 789 ft 789 ft Box 1 Box 1 Box 2 Box 2 Box 3&4 Box 3&4 Box 5&6 Box 5&6 Box 7&8 Box 7&8 Displayed Displayed Core Core Stratigraphic Units Utah’s Oil Shale Deposits: Stratigraphy and Resource Evaluation (Poster #2) Michael D. Vanden Berg (801-538-5419, [email protected]) and David E. Tabet (801-537-3373; [email protected]) Utah Geological Survey, Salt Lake City, Utah geology.utah.gov