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Index / Gas Shales / Exploration

Welcome to the Fourth issue of the Search and Discovery Digest. The purpose of the Search and Discovery Digest is to provide links to key, theme-based documents hosted by Search and Discovery, AAPG’s online journal. Documents hosted on Search and Discovery are drawn primarily from papers and posters presented at AAPG Annual and Section meetings hosted in both the U.S. and International arenas.
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Find Out More »  |  Open Resource  |  2011/07/07  |  641 Report Broken   Tell A Friend

Index / Gas Shales / Exploration

Introduction
Shale analysis and evaluation
Gas analysis
Organic richness
Generation potential
Thermal maturity
Residual hydrocarbon fluids
Appendix
Shale gas reconnaissance
Sample requirements
Miscellaneous information
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Find Out More »  |  Open Resource  |  2009/12/30  |  555 Report Broken   Tell A Friend

Index / Gas Shales / Exploration

The geologic concept is that black shale of the Utica Shale and adjacent units generated hydrocarbons from Type II organic material in areas that are thermally mature for oil and gas. The source rocks generated petroleum that migrated into adjacent units, but also retained significant hydrocarbons within the matrix and adsorbed to organic matter of the shale. These are potentially technically recoverable resources that can be exploited by using horizontal drilling combined with hydraulic fracturing techniques.... More →
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Find Out More »  |  Open Resource  |  2012/10/11  |  371 Report Broken   Tell A Friend

Index / Gas Shales / Exploration

From the North Dakota Geological Survey.
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Index / Gas Shales / Exploration

The potential for shale oil and gas development in Europe is huge, but what level of extraction can be expected. Hydraulic fracturing, or fracking as it has become colloquially known, is a contentious issue. But this is no revelation, even places that are successfully extracting natural oil and gas in this way, such as the US, are still facing fierce opposition 60 years since the first well was fracked. Now that this energy source is garnering interest on European shores,looks at the likelihood of uptake. Fracking is an important end market for frac sand, bentonite, barite, sintered bauxite, k... More →
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Find Out More »  |  Open Resource  |  2013/11/20  |  259 Report Broken   Tell A Friend

Index / Gas Shales / Exploration

Desorbed core gas quantities, kerogen and methane carbon isotopes, total organic carbon (TOC), pyrolysis parameters, and detailed mineralogy were determined for approximately 200 Devonian shale core samples in the Appalachian Basin from New York, Virginia, West Virginia, Kentucky, Pennsylvania, and Ohio. The data from core samples indicate varying levels of thermal maturity, total organic carbon (TOC) content, mineralogy, and gas content. TOC content for the shales ranges from < 0.1% to more than 10.0%, with gas content increasing with an increase in TOC. Thermal maturity and mineralogy als... More →
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Find Out More »  |  Open Resource  |  2009/08/27  |  412 Report Broken   Tell A Friend

Index / Gas Shales / Exploration

Five organic-rich formations of source-rock potential have been observed in the Ionian basin: the Vigla shales (Albian-Turonian), the Upper Posidonia beds (Callovian-Tithonian), the Lower Posidonia beds (Toarcian), the marly beds at the base of the Ammonitico Rosso (Early Toarcian), and shale fragments in the Triassic breccias. These five horizons have good hydrocarbon potential and their organic matter is of type I to II. In the central Ionian basin (oil window = 3700-5800m), the Triassic shales have already entered the gas window; the Lower and Upper Posidonia beds and the marls at the base ... More →
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Find Out More »  |  Open Resource  |  2010/01/06  |  507 Report Broken   Tell A Friend

Index / Gas Shales / Exploration

The Barnett Shale is currently one of the most active shale gas plays in the US. This unconventional shale reservoir is often considered to be homogeneous, undifferentiated black shale. Our studies show a significant, cyclical variation in the internal stratigraphy of the Barnett Shale in the core area of Newark East Field, Forth Worth Basin.
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Index / Gas Shales / Exploration

Published as a supplement to an Oil and Gas Investor issue, Jannuary, 2006, this contains a series of discussions regarding the new shale gas activities in the U.S.
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Index / Gas Shales / Exploration

Shale gas is defined as a fine-grained reservoir in which gas is self-sourced, and some of the gas is stored in the sorbed state. Sorbed gas is predominantly stored in the organic fraction - so organics are present. Shale gas is not just 'shale'.

Productive gas shales range from organic-rich, fine-grained rocks, such as the Antrim or Ohio Shale, to variable facies rocks, such as Lewis Shale.
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Index / Gas Shales / Exploration

Projections published in 2008 by the United States government indicated that annual U.S. gas demand could increase from the current 22 Tcf (trillion cubic feet) to 24 Tcf by the year 2016 and then decline to 23 Tcf by 2030. This would occur during a period of declining Canadian gas imports and increasing U.S. reliance on LNG imports, a commodity only available in a highly competitive market. To put these numbers into perspective, a 1 Tcf/year increase is a challenge: domestic gas production was flat for nine years prior to 2006. Gas production then increased 9% from 1Q 2007 to 1Q 2008, with Te... More →
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Index / Gas Shales / Exploration

UGCenter.com is the online business-development tool for profitable unconventional-resource exploration and exploitation globally, presented by the award-winning editors of Hart Energy Publishing’s Oil and Gas Investor (www.OilandGasInvestor.com) and E&P (www.EPmag.com) magazines.
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Index / Gas Shales / Exploration

Using a geology-based assessment methodology, the USGS has completed assessments of the quantity of undiscovered, technically recoverable petroleum resources in several important shales, including the Barnett, Antrim, Bakken, and other shales in the United States.
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Find Out More »  |  Open Resource  |  2010/02/08  |  343 Report Broken   Tell A Friend

Index / Gas Shales / Exploration

A DOE-EIA effort to produce a systematic assessment of gas shales around the world. A total of 14 priority regions and 32 countries are discussed in this report
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Find Out More »  |  Open Resource  |  2011/04/06  |  366 Report Broken   Tell A Friend
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