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The AAPG/Datapages Combined Publications Database

Showing 6,705 Results. Searched 187,797 documents.

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Physical Properties of Carbonate Reservoirs in South Sumatra

B. Sudewo, A. R. Suhendan, S. Chacko

Indonesian Petroleum Association

... modification, the equation can be used to model velocities of hydrocarbon-bearing rocks: Raymer's Equation Raymer et al. (1980) presented "an improved...

1987

Mudstone Geophysical Properties for Pressure Prediction

Dan Ebrom

GCAGS Transactions

... and immoveable porosities based upon observations of clay compaction behavior. P-wave and S-wave velocities from this new model compare...

2008

Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

... (yellow) intervals. RKB = rotary kelly bushing. The rocksdensities and velocities fluctuate around the average values of each interval...

2019

Abstract: Porosity of Meteorite Impact Rocks: Inferences from Geophysical and Petrophysical Studies from the Lake Bosumtwi Impact Crater, Ghana; #90211 (2015)

Damien Meillieux, Douglas Schmitt, Meghan Brown, Marek Welz, Tiewei He, Bernd Milkereit, Tobias Karp, Christopher Scholz, and Sylvester Danour

Search and Discovery.com

... the porosity and the grain density. Envelope densities of the rocks range from approximately 1.7 g/cm3 to 2.75 g/cm3 with corresponding porosities from...

2015

Physical properties of Cenozoic mudstones from the northern North Sea: Impact of clay mineralogy on compaction trends

Oyvind Marcussen, Brit I. Thyberg, Christer Peltonen, Jens Jahren, Knut Bjorlykke, Jan Inge Faleide

AAPG Bulletin

... P-wave velocities and bulk densities compared to mudstones with other clay mineral assemblages at the same burial depths. Smectitic clays...

2009

The Geophysical Aspects of Abnormal Fluid Pressures

Edward B. Reynolds, John E. May, Alf Klaveness

Houston Geological Society

... bulk densities, (5) lower shale resistivities, and (6) lower interval velocities. Although absolute values of these properties are not always...

1971

Effects of Differential Cementation on the Sonic Velocities of Upper Cretaceous Skeletal Grainstones (Southeastern Netherlands)

Jeroen A. M. Kenter, Bruce W. Fouke, Marc Reinders

Journal of Sedimentary Research (SEPM)

... (open circles) have P-wave velocities of 2.01-2.45 km/s, porosities of 49.5-53.6%, and densities of 1.80-1.88 g/cm3. They form one subset that plots...

1997

Abstract: Sedimentary Facies Characteristics and Reservoir Properties of Tertiary Sandstones in Sabah and Sarawak, East Malaysia (Poster 18)

Teoh Ying Jia, Abdul Hadi Abd Rahman

Geological Society of Malaysia (GSM)

... recorded high densities (d:2.3-2.8g/cm3), high velocities (v: 4500-7500m/s) and low poro-perm values (Ф: <10%; k: <1md). Many studies have shown...

2008

Ultrasonic Pulse Velocities and Elastic Moduli of Igneous Rock Materials from the Ajil Area, Terengganu Darul Iman

J. K. Raj

Geological Society of Malaysia (GSM)

... and structural features were described. Densities, unit weights and porosities of these blocks were then determined according to the suggested saturation...

1996

Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf: Discussion

Peter Japsen

AAPG Bulletin

... velocities in sedimentary rocks; indicators of subsidence and uplift: Geologische Rundschau, v. 71, p. 519536.Scholle, P. A., 1977, Chalk diagenesis...

2006

Sandstone Porosities in Paleozoic Region in Arkansas

George C. Branner

AAPG Bulletin

... collected in the Paleozoic region of Arkansas by Homer Anderson,(FOOTNOTE 4) under the writer's direction. The porosities and densities were determined...

1937

Chapter 8: Petrophysical Characteristics of the Ivie Creek Case-Study Area - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)

R.D. Jarrard, M.A. Chan, C.B. Forster, S.H. Snelgrove

Utah Geological Survey

... of seismic response of saturated rocks. Ivie Creek core-plug porosities average 13.0 percent (standard deviation 4.0 percent, range 1.7 to 20.9 percent...

2001

AVO Attributes of a Deep Coal Seam

Search and Discovery.com

... seam are mainly caused by the variability in shaly sand properties. According to the rock physics theory, shaly-sand velocities and densities...

2013

Acoustic and Related Properties of Calcareous Deep-Sea Sediments

Edwin L. Hamilton, Richard T. Bachman, Wolfgang H. Berger, Thomas C. Johnson, Larry A. Mayer

Journal of Sedimentary Research (SEPM)

... particles. Eastern Pacific sediment has higher porosities and lower densities (than the Plateau samples) because of less CaCO3 and more biogenous silica...

1982

Correlation of Marine Sediments from the Texas-Louisiana Continental Shelf

Dunn, Dean A. Stokes, Traci L.

GCAGS Transactions

... and clayey sand, with the highest sound velocities (1526-1704 m/s), highest dry densities (2.66-2.74 g/cm3), lowest porosities (36-67%), compared to cores...

2002

Applications of the Densilog

R. H. Anderson

Oklahoma City Geological Society

... densities that have been used for some common rocks are: To determine the porosity of a limestone, sandstone, or dolomite reservoir, only the "bulk...

1958

Geotechnical Properties of Continental Slope Deposits Cape Hatteras to Hydrographer Canyon

George H. Keller, Douglas N. Lambert, Richard H. Bennett

Special Publications of SEPM

... This depositional pattern appears to account for the occurrence of generally higher water contents and porosities as well as the lower wet bulk densities...

1979

Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf

Vidar Storvoll, Knut Bjrlykke, Nazmul H. Mondol

AAPG Bulletin

... compaction. Low velocities in source rocks are mainly attributed to the relatively soft kerogen and resulting velocity anisotropy. The high velocity...

2005

Physical and Mechanical Properties of a Meta-Rhyolitic Tuff from the Dinding Schist

J. K. Raj

Geological Society of Malaysia (GSM)

... their individual, visible textural and structural features were described. Densities, unit weights and effective porosities of these small blocks were...

2004

Some Physical and Mechanical Properties of Porphyritic Hyperstene Microdiorite from the Tawau Area, Sabah, East Malaysia

J. K. Raj

Geological Society of Malaysia (GSM)

... their individual, visible textural and structural features were described. Densities, unit weights and porosities of these small blocks were then determined...

2004

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