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The AAPG/Datapages Combined Publications Database

Showing 7,072 Results. Searched 195,354 documents.

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Integration of Rock Physics Modelling to Improve Pore Pressure Prediction in Unconventional Shales

Jakob Heller, Venkatesh Anantharamu

Unconventional Resources Technology Conference (URTEC)

... mechanism in the well. For instance, deeper shale mudrocks of the Wolfcamp Formation display lower densities and velocities than shale mudrocks from...

2020

Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 5Acoustic Velocity Core Studies

R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde

AAPG Special Volumes

... on nuclear magnetic resonance and resistivity measurements, these samples had liquid porosities of a few percent. These velocities are consistent...

2009

Porosity Reduction During Diagenesis of the Monterey Formation, Santa Barbara Coastal Area, California

Caroline M. Isaacs

Pacific Section SEPM

... of diatomaceous rocks in the Monterey are related to the composition of the rocks: porosities are higher (and bulk densities lower) in the most abundantly...

1981

Combining seismic reservoir characterization workflows with basin modeling in the deepwater Gulf of Mexico Mississippi Canyon area

Wisam H. AlKawai, Tapan Mukerji, Allegra Hosford Scheirer, and Stephan A. Graham

AAPG Bulletin

... the velocity porosity models of illitic shale to transform the estimated porosities into velocities. Figure 11. Modeling the impact of smectite...

2018

Abstract: Rock Physics Characterization of Shallow Marine Heavy Oil Reservoirs; #90254 (2016)

Mukarram Ahmed, Harianto Soepriatna, Ahmed W. Daghistani

Search and Discovery.com

... physics analysis revealed that these shallow marine sandstone have very high porosities and very low acoustic velocities, characteristics attributed...

2016

7.0 The Structural Significance of Seismic Velocity - A Progress Report

P. E. Gretener

AAPG Special Volumes

... and density exists in the absence of porosity. In Figure 7.4-4 a velocity-density graph is plotted for rocks with negligible porosities. It can be seen...

1981

Exploration for Deep Miocene Reservoirs in South Louisiana: The Story of the Etouffee Discovery, Terrebonne Parish, Louisiana [Abstract]

Tom Fletcher

New Orleans Geological Society

...------------------------- All six wells in the field have increasing sonic velocities and decreasing densities through the pay zone, creating a weak amplitude event...

2003

Kent Bayou Field Etouffee Discovery (Post 3-D) Terrebonne Parish, Louisiana

Tom Fletcher, Annette Borkowski

New Orleans Geological Society

... multiple sets of isochrones. All six wells in the field have increasing sonic velocities and decreasing densities through the pay zone, creating a weak...

2010

Distribution of Abnormal Pressure in the Vicksburg Formation, Hinde Field, Starr County, Texas

Kirk A. Barrell

Bulletin of South Texas Geological Society

... that anomalous water pressures invariably imply a hydrodynamic state. Flow takes place from abnormal to normal pressure unless the rocks are ideally...

1988

Ungani Oil Field, Canning Basin - Evaluation of a Dolomite Reservoir

David Long, Lionel Esteban, Amy Millar, Anne Forbes, Stuart Weston, Martin Kennedy

Petroleum Exploration Society of Australia (PESA)

...-density and sonic petrophysically derived porosities which are inadequate to resolve productive zones using conventional reservoir cut-offs...

2018

Extended Abstract: Recent Advances in Pore Pressure Prediction in Complex Geologic Environments

Alan R. Huffman

GCAGS Transactions

... from the complete velocity field If successful, the velocities for the carbonate rocks in the inversion can also be used with offset well control...

2018

Quantification of Tertiary Exhumation in the United Kingdom Southern North Sea Using Sonic Velocity Data

Richard R. Hillis

AAPG Bulletin

... Europe: London, Graham and Trotman, p. 263-275. Wells, P. E., 1990, Porosities and seismic velocities of mudstones from Wairarapa and oil wells of North...

1995

Petrophysical Approach to Origin of Porosity of Carbonate Rocks in Middle Carboniferous Windsor Group, Nova Scotia, Canada

Koichi Aoyagi

AAPG Bulletin

... densities, low natural densities, and high absolute porosities. Carbonate rocks of Facies II and III have relatively low grain densities, high natural...

1973

Integration of geology, rock physics, logs, and prestack seismic data for reservoir porosity estimation

Abdulaziz M. AlMuhaidib, Mrinal K. Sen, M. Nafi Toksoz

AAPG Bulletin

.... 175188.Toksoz, M. N., C. H. Cheng, and A. Timur, 1976, Velocities of seismic waves in porous rocks: Geophysics, v. 41, p. 621645, doi...

2012

COMPARISON OF POROSITY LOGS WITH CORE POROSITY, OFICINA AREA, EASTERN VENEZUELA

Frederick R. Haeberle

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... to pick samples that presented a typical picture of the sand. Average porosities for a particular sand were then calculated from each of the porosity...

1960

Elastic Anisotropy of Shales ƒ Revisited; #41557 (2015)

Marina Pervukhina, Patrick N. J. Rasolofosaon

Search and Discovery.com

... of the considered samples actually corroborate the effect of burial both on densities and on velocities. Effect on the Anisotropy Parameters Up to now we did...

2015

Calculating Sandstone-Shale Ratios from Growth Normal Fault Dips on Seismic Profiles

R. E. Bischke , J. Suppe

GCAGS Transactions

... the initial (o) and compacted () porosities. Now if the porosities of the rocks ( and o) are known for all depth levels from well logs, and the initial...

1990

Basic Analysis

Richard H. Merkel

AAPG Special Volumes

... valuable in consolidated rocks where there are a wide range of porosities. Moreover, it is valuable both for a single wildcat or analyzing an entire...

1979

Abstract: Fluid Sensitivity Dynamics in Paleozoic Clastic Systems; #90319 (2018)

Obai N. Shaikh, Rayan Kanfar, Mukarram Ahmed

Search and Discovery.com

... physics analysis suggested that these Paleozoic clastics have a wide range of porosities with varying acoustic velocities, characteristics attributed...

2018

Petrophysical Classification of Siliciclastics for Lithology and Porosity Prediction from Seismic Velocities (1)

LEV VERNIK and AMOS NUR

AAPG Bulletin

... at comparable porosities to rocks in the first two groups. The compressional velocity-porosity relation for each of these groups is found to be linear...

1992

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