Oil generation as the dominant overpressure mechanism in the Cenozoic Dongying depression, Bohai Bay Basin, China

Xiaowen Guo, Sheng He, Keyu Liu, Guoqi Song, Xunjun Wang, Zhongsheng Shi

AAPG Bulletin

... densities and effective vertical stress, and the overpressured reservoir sandstones showing no anomalous high-matrix porosities or anomalous geothermal...

2.2 Basement Involved: 2.2.3 Passive Margins: Guyana Offshore

W. J. Jankowsky and G. Schlapak

AAPG Special Volumes

... poor porosities and permeabilities of potential reservoir rocks that were encountered near the top of the basement are the main reasons...

Lithologic Prediction from Seismic Attributes in the Balcon Field, Colombia

J. E. Calderon

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., impedance) and the selected log property we apply NNI. trends can be distinguished, one for rocks with velocities higher than about 4.5 kilometers/sec...

An Integrated Geophysical Interpretation of the Carboniferous Bay St. George Subbasin, Western Newfoundland

H.G. Miller, G.J. Kilfoil, S.T. Peavy

CSPG Bulletin

..., short wavelength, gravity anomalies associated with the known deposits (Knight, 1983). The densities of samples of Indian Head basement rocks gave...

ABSTRACT: Potential Petroleum Reservoir Rocks of North-Central Oregon, by Alfred J. Riddle and Lanny H. Fisk; #91040 (2010)

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How Organic Carbon Content and Thermal Maturity Affect Acoustic Properties (and Ultimately Seismic Response) in a Shale Gas/Oil Formation: Woodford Shale, Permian Basin

Nicholas B. Harris, Al Moghadam, Tian Dong

Unconventional Resources Technology Conference (URTEC)

..., we link rock composition, including total organic carbon (TOC) content and thermal maturity to data on p-wave (VP) and s-wave (VS) velocities...

Evolution of a Forearc Basin, Luzon Central Valley, Philippines

Steven B. Bachman , Stephen D. Lewis , William J. Schweller

AAPG Bulletin

... concentra ions of organic carbon. The abundant reservoir rocks in the Central Valley have good porosities and permeabilities. A wide range...

Chapter 6: Seismic Attributes: Exploiting Seismic Data to Understand Heterogeneous Reservoir Performance in the Eagle Ford Shale, South Texas, U.S.A.

Kit Clemons, Hector Bello, Robert Bodziak, Matthew McChesney, Robert Meek, Andy Stephens

AAPG Special Volumes

... to mapping source rocks may change the way ultra-low-permeability shale reservoirs are evaluated in the future. Aydan, O., and T. Kawamoto, 1990...

Density and mineralogy variations as a function of porosity in Miocene Monterey Formation oil and gas reservoirs in California

Caren Chaika, Loretta Ann Williams

AAPG Bulletin

... on the equation 3 line that have f less than 55% have higher densities than rocks lying on the equation 4 line. The higher negative slope of equation 3 indicates...

AAPG/Datapages Discovery Series No. 7, Multidimensional Basin Modeling, Chapter 3: Modeling of Secondary Petroleum Migration Using Invasion Percolation Techniques

Daniel J. Carruthers

AAPG Special Volumes

... and petroleum transport and showed that the critical height is a function of the fluid-fluid interfacial tension, the pore throat radii, and the phase densities...

Elastic Properties of Propped and Unpropped Eagle Ford Shale and 3D-printed Fractured Models Under Iso-static Stress

Suresh Dande, Robert R. Stewart, Michael T. Myers, Lori Hathon, Nikolay Dyaur

Unconventional Resources Technology Conference (URTEC)

... Discussion: Eagle Ford Shale Eagle Ford shale plugs are characterized in terms of velocities and densities at atmospheric pressure. Based on these results, out...

A Multiscale Digital Rock Workflow for Shale Matrix Permeability Prediction

Min Zhang, Rafael Salazar-Tio, Andrew Fager, Bernd Crouse

Unconventional Resources Technology Conference (URTEC)

... space within the kerogen structure that can be probed by a given gas molecule, such as CH4, CO2, N2, Ar. The densities and porosities of the condensed...

Seismic Stratigraphy in Carbonate Rocks: Depositional History of the Natuna D-Alpha Block (L-Structure): Stage II

Michael T. Kraft, J. B. Sangree

Indonesian Petroleum Association

...Seismic Stratigraphy in Carbonate Rocks: Depositional History of the Natuna D-Alpha Block (L-Structure): Stage II Michael T. Kraft, J. B. Sangree...

Pore Networks in Holocene Carbonate Sediments

Paul Enos, L. H. Sawatsky

Journal of Sedimentary Research (SEPM)

.... The correlation of high porosities with the lowest permeabilities (Fig. 14) in carbonate sediments reverses the relationship in carbonate rocks. Carbonate...

Quantitative Modeling of Secondary Migration: Understanding the Origin of Natural Gas Charge of the Haynesville Formation in the Sabine Uplift Area of Louisiana and Texas

Lauri A. Burke

GCAGS Journal

... media exhibiting porosities ranging from 0 to 99 percent. Migration velocities for permeabilities ranging over 12 orders of magnitude from 1 Darcy (D...

Physical Analysis of Oil Sands

P. G. Nutting

AAPG Bulletin

... method for finding the densities and porosities of oil sands was developed and described by A. F. Melcher in 1920.(FOOTNOTE 3) During the past 5 years...

Computerized Process for Interpretation of Well Logs in Naturally Fractured Reservoirs: ABSTRACT

Roberto Aguilera, Luis A. Acevedo

AAPG Bulletin

... 8. (August) A computerized process is presented which allows the determination of primary and secondary porosities, and water saturation...

Small-Scale Fracture Density in Asmari Formation of Southwest Iran and its Relation to Bed Thickness and Structural Setting

H. McQuillan

AAPG Bulletin

..., and J. L. Walper, 1960, Relation of deformation fractures in sedimentary rocks to regional and local structure: Am. Assoc. Petroleum Geologists Bull., v...

Rocky Mountain Subthrust Exploration Using Pre-Stack Depth Migration, by Mary Sue Purcell, Steven G. Siguaw, and Steven G. Natali, #40118 (2004).

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Acoustic Properties of Ancient Shallow-Marine Carbonates: Effects of Depositional Environments and Diagenetic Processes (Middle Jurassic, Paris Basin, France)

Benjamin Brigaud, Benoit Vincent, Christophe Durlet, Jean-Francois Deconinck, Philippe Blanc, Alain Trouiller

Journal of Sedimentary Research (SEPM)

... insights into the parameters controlling acoustic velocities in relatively low-porosity carbonate rocks (Φ < 20%). The pore-type observations reveal...

ABSTRACT: Shaly Sand Petrophysics in the Bombay Offshore Basin, India - Integrating Old Principles with New Technology, by Steven W. Bailey, Michael D. Van Horn, Charles J. Kaiser, and Paul A. Connolly; #90913(2000).

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Fast Track Reservoir Characterisation of a Subtle Paleocene Deep Marine Turbidite Field Using a Rock Physics and Seismic Modelling Led Workflow

H.J.S. Morris, R. Christensen, D. Gawith, M. Millwood-Hargrave

Indonesian Petroleum Association

... properties above the channel sands remain constant. Fortunately all the wells showed the overlying shale has consistent velocities and densities...

Reservoir characterization of fairways in a tight light oil play of the Upper Cretaceous Cardium Formation, west Pembina, Alberta, Canada

John Adam Fraser and Per Kent Pedersen

AAPG Bulletin

... and orange colors indicating higher porosities with the presence of pores (i.e., lower density). For these quartz-rich sandstone beds, the grain densities...

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... prospect. Initially, stacking velocities were used to derive interval velocities for modeling, but this led to incorrect, contradictory...

Subtle Seals and Fluid-flow Barriers in Carbonate Rocks

Edward B. Coalson, Steven M. Goolsby, Mark H. Franklin

Rocky Mountain Association of Geologists

...Subtle Seals and Fluid-flow Barriers in Carbonate Rocks Edward B. Coalson, Steven M. Goolsby, Mark H. Franklin 45 Subtle Seals and Fluid-flow...