Skip to main contentPENNSYLVANIA GEOLOGICAL SURVEY – Pennsylvania Department of Conservation and Natural Resources Investor Presentation | Shale Experts
Activity and Potential of the Utica Shale in Pennsylvania John A. Harper Pennsylvania Geological Survey
THE UTICA SHALE PLAY IN THE APPALACHIAN BASIN The Utica Shale play extends from KY into WV, OH PA d NY d OH, PA, and NY, and even northward at least as far h d l f as Quebec The Utica and Point Pleasant formations produce The…
PaGS, 2011b
UTICA SHALE IN OUTCROP, CENTRAL PENNSYLVANIA TRENTON UTICA
EXTENT OF THE UTICA SHALE GAS PLAY Although the Utica Shale has less total organic carbon (TOC) than the Marcellus shale, the area of the play is larger. Modified from Geology.com, 2011
THE UTICA SHALE PLAY IS A MISNOMER Taury Smith (NY State Geological Survey) says the Utica Shale play is more appropriately called the Utica Shale play is more appropriately called the Utica Shale and associated organicrich…
Utica Shale ((Indian Castle of New York)) Very little carbonate TOC 1 3% Upper Trenton Limestone (D l (Dolgeville ill off N New Y York) k) Limestone and shale Shale TOC up to 3% Modified from Smith, 2011
CORRELATION OF UTICA PLAY STRATA IN THE APPALACHIAN BASIN The Utica play involves more than just the Utica Shale. The Point Pleasant Formation and Logana Member of the Lexington Limestone provide additional target potential.…
COMPARISON OF UTICA TO UTICA/POINT PLEASANT IN PENNSYLVANIA
BASIN PALEOGEOGRAPHY DURING TRENTON-UTICA DEPOSITION Pennsylvania Embayment Modified from Wickstrom and others, 1992
HOW THICK HOW DEEP STRUCTURAL CONTROLS
Modified from Patchen and others, 2008
ISOPACH MAP OF THE UTICA/POINT PLEASANT IN PENNSYLVANIA (REVISED) ( ) PaGS, 2011a
THE UTICA SHALE WAS DEPOSITED DURING THE TACONIC OROGENY IN THE LATE ORDOVICIAN PA PA Early Ordovician PA Middle Ordovician Late Ordovician From Blakey, 2011
SUBSEA ELEVATION OF THE BASE OF THE UTICA/POINT PLEASANT INTERVAL Modified from Geology.com, 2011, based on Patchen and others, 2008
DRILLING DEPTH TO THE BASE OF THE UTICA/POINT PLEASANT IN PENNSYLVANIA (REVISED) PaGS, 2011a
STRUCTURE ON TOP OF THE UTICA SHALE (REVISED) PaGS, 2011a
SIMPLE CROSS SECTIONS, BASEMENT TO SURFACE Based on seismic data Modified from Geology.com, 2011, based on Ryder, 2008
MINERALOGY MINERA OGY AND PETROGRAPHY
XRD RESULTS FROM OHIO Mineralogy for all samples dominated by clays, quartz, and calcite/dolomite From Daniels and others, 2011
XRD RESULTS FROM NEW YORK Utica red circle Point Pleasant blue circle Modified from Nyahay, 2011
THIN SECTION PHOTOMICROGRAPHS OF THE UTICA SHALE, SHALE TUSCARAWAS COUNTY COUNTY, OHIO Scale bars = 0.5 mm Lithology slightly fossiliferous silty mudstone (silty shale). Common fine to medium silt-sized quartz and mica, abundant…
SEM PHOTOMICROGRAPHS OF UTICA AND POINT PLEASANT FROM OHIO From a well in Tuscarawas County, OH Euhedral pyrite crystals wrapped with clay Lower magnification shows organic-rich region From Daniels and others, 2011
SEM PHOTOMICROGRAPHS OF UTICA AND POINT PLEASANT FROM OHIO AND NEW YORK Layered L d clays l chlorite hl it andd illite are dominant, from a well in Morgan County, OH Good porosity in organic matter from a core near the outcrop…
SEM PHOTOMICROGRAPHS OF UTICA AND POINT PLEASANT FROM OHIO WELLS Organic-rich regions Calcium and phosphorus-rich grain, may be apatite or some other calcium phosphate phase mineral From Daniels and others, 2011
GEOCHEMISTRY OF THE UTICA/POINT PLEASANT As much as we know or suspect
Marcellus Utica/ Pt. Pleasant
SOURCE ROCK GEOCHEMISTRY AVAILABLE ON PENNSYLVANIA GEOLOGICAL SURVEY SURVEYS S WEBSITE http://www.dcnr.state.pa.us/topogeo/oilandgas/sourcerock_sampledata.aspx
Modified from Patchen and others, 2008
Modified from Patchen and others, 2008
Modified from Patchen and others, 2008
Modified from Patchen and others, 2008
Modified from Patchen and others, 2008
DRILLING DRI ING AND PERMITTING ACTIVITY IN PENNSYLVANIA What little there has been
WELLS PENETRATING THE UTICA OR DEEPER FORMATIONS IN PENNSYLVANIA
PERMITTED AND COMPLETED UTICA/POINT PLEASANT WELLS IN PENNSYLVANIA Rex Energy 1 Cheeseman Ultra Resources 1 Marshlands R Range R Resources 1H Ll Lloyd d EQT 590003 Hopkins
3711720131 Ultra Resources 2 Marshlands Tioga Co., Gaines Twp. Deviated Hole 13511 Reedsville at 11245 Trenton at 12099 Depth to Utica and Point Pleasant unknown Drilling completed 2/15/2007 Utica and Point Pleasant perfed and…
3705924659 EQT 590003 Hopkins Greene Co., Morris Twp. TVD 14464 ((vertical hole)) Utica at 13269 Point Pleasant at 13423 13423 Trenton at 13548 Drilling completed 6/9/2008 Utica and Point Pleasant perfed and fraced 7/15-31/2008…
3700720293 R Range R Resources 1H LlLloyd d Beaver Co., Marion Twp. TVD 9580 9580, MD 12700 12700 Shale Shale at 9450 9450 Drilling completed 1/6/2010 Utica perfed and fraced 3/22/2010 from 10300 to 12600 Results 4.4…
3701921706 Rex Energy 1 Cheeseman Butler County, Muddycreek Twp. Permitted as horizontal, 12930 (TVD 10000) Drilling completed in September Reported results: 9 9.2 2 MMcfgpd No other information available as of 11/7/2011
UTICA SHALE RESOURCE POTENTIAL (QUEBEC) Resource Potential Net Net Bcf per Well Recovery Efficiency Recoverable Tcf 100-acre spacing 15% 3.1 1.3 20% % 4.1 1.7 25% 5.2 2.2 Well Information 4,000-7,000 4 000 7 000 ttotal t l…
PROJECTED TYPE DECLINE CURVE OF UTICA SHALE (QUEBEC) Modified from Forest Oil Co., 2008
SOME THINGS TO PONDER Significant natural gas flows have been reported from the Utica in Quebec from vertical wells with single stage completions Chesapeake p Energy gy has been finding g natural g gas liquids q in the Utica in…
REFERENCES Blakey, Ron, 2009, Paleogeography and geologic evolution of North America, in Sedimentary rocks on the Colorado Plateau. http://www2.nau.edu/rcb7/nam.html p ((accessed Mayy 2010). ) Daniels, J. J., Cole, D., Murphy, M.,…
REFERENCES (cont.) Riley, R. and Baranoski, M., 2011, Regional stratigraphic and facies relationships of the Ordovician Utica/Point Pleasant interval in the Appalachian basin, in Taking a deeper look at shales: Geology and potential…
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