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The AAPG/Datapages Combined Publications Database

Showing 16,717 Results. Searched 188,958 documents.

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Offshore California Basins

Kenneth O. Emery

Journal of Sedimentary Research (SEPM)

... of phytoplankton debris falling through the water column results in loss of about 93 percent. About 50 percent of the organic matter which reaches...


Yenisey Ridge - Region of Intensive Precambrian Oil-Gas Generation

I. D. Timoshina

Petroleum Geology: A Digest of Russian Literature

... in organic matter of the Yenisey ridge. In the Gorbilok zone average content of organic carbon in the rock is 2.4 percent, and the highest values...


Dolomite, Limestone Facies, and Insoluble Residue--A Relationship?: ABSTRACT

David N. Lumsden

AAPG Bulletin

... to 77.0% and consist of fine-sand size quartz with varying amounts of illite (clay). Plots of the total insoluble residue against percent dolomite show...


Surface Vitrinite Reflectance Study of the Wind River Basin, Central Wyoming

Vito F. Nuccio, Thomas M. Finn, Mark J. Pawlewicz

Wyoming Geological Association

... for the Upper Cretaceous Frontier Formation are in the 0.40 to 0.60 percent range; the mean is 0.48 percent; Upper Cretaceous Cody Shale samples...


Yukon Flats Basin, Alaska: Reservoir Characterization Study - Abstract

Rocky Reifenstuhl

Alaska Geological Society

.... A summary of the P&P data from the basin margin cores include porosities of 1.1 to 11.7 percent (average about 4 percent) and permeabilities of 0.001...


Characteristics of Geology and Working of Oil and Gas Fields in Carbonate Rocks of Shelf of Pechora Sea

V. A. Grigor’yeva, N. A. Yeremin, V. V. Surina, A. N. Nazarova

Petroleum Geology: A Digest of Russian Literature

... Zemlya, and Pay-Khoy. The limestone and dolomite reservoirs are the fracture-pore and pore type. Porosity ranges from 0.5 to 20 percent...


Petrology and Sedimentation of Jackfork Sandstones, Arkansas: ABSTRACT

Robert C. Morris

AAPG Bulletin

... system. Rocks of the Frontal Ouachitas consist approximately 30 percent of sandstone deposited by mass flow or turbidity currents and 70 percent...


Cretaceous of Western Desert, Egypt: DISCUSSION

D. A. Rigassi

AAPG Bulletin

... contain many errors. A point slightly offshore along the 28° meridian on Figures 7 and 8 shows a Cenomanian section consisting of 30 percent clay, 20...


Abstract: Geochemical Constraints on the Origin and Volume of Shale Gases in the Eastern Illinois Basin

Dariusz Strapoc, Arndt Schimmelmann, Maria Mastalerz, and John Rupp

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... content ranges from <1 to 13 wt. percent. New Albany Shale samples range from immature (Ro = 0.55 percent) to mature (Ro = 0.8 percent). The Maquoketa...


ABSTRACT: Estimates of In-Place Oil Shale of Various Grades on Federal Lands, Piceance Basin, Colorado; #90108 (2010)

Tracey J. Mercier, Ronald C. Johnson, and Michael E. Brownfield

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... percent over the previous in-place assessment. Most of this increase is due to: (1) additional areas being assessed that previously had too little data...


Prediction of Oil-Gas Potential of Ancient Sedimentary Units of Southeastern Regions of East European Craton from Geological and Geochemical Criteria

V. I. Yermolkin, S. I. Golovanova, A. S. Filin

Petroleum Geology: A Digest of Russian Literature

... facies, and content of organic matter does not exceed 0.1 percent. Subsequent deepening of the marine basin led to accumulation of carbonate...


Distribution and Accumulation of Hydrogen-Sulfide Gases in Southeast of East European Craton

O. G. Vereninova

Petroleum Geology: A Digest of Russian Literature

... percent of which contain hydrogen sulfide from trace amounts to 17.2 percent. These pools occur at depths from 0.5 to 4.0 km at formation temperatures up...


Norphlet Sandstone, Pelahatchie Field, Rankin County, Mississippi: ABSTRACT

J. A. Hartman

AAPG Bulletin

..., from a depth of approximately 17,000 ft. Cores from the discovery and confirmation wells show that halite constitutes about 20 percent by weight...


Abstract: Bitumen Evaluation in the Grosmont Carbonate Reservoir: A Case Study of Wireline Technology Applications; #90187 (2014)

Rob Badry and Jason Smith

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... weight-percent bitumen in the Grosmont formation. These results are compared to weight-percent bitumen obtained using Dean Stark analysis of core...


Miocene Castaic Formation Slope and Deep-Sea Fan Facies, Ridge Basin, Southern California

Martin H. Link

Pacific Section SEPM

... in various admixtures and make up to 25 percent of some samples. The interstitial clays are illite, smectite, and kaolinite. Texturally, these sandstones...


Computing Mineral Compositions of Sedimentary Rocks from Chemical Analyses

A. T. Miesch

Journal of Sedimentary Research (SEPM)

..., respectively. The term X is the weight percent of potassium feldspar and Y is the weight percent of total clay in the rock sample which has been analyzed...


The Mineralogical Composition of Shales

Daniel B. Shaw , Charles E. Weaver

Journal of Sedimentary Research (SEPM)

... components in a clay matrix show that an accuracy of ±10 percent of the amount present can be reliably obtained. Comparisons were made between the diffraction...


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