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The AAPG/Datapages Combined Publications Database

Showing 4,634 Results. Searched 201,044 documents.

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A Case Study on the Emergence of the Barnett Shale in the Midland Basin, Ector County, Texas

Andrew Lewis, Taylor Mackay, Robert Dimit, Brett Bracken, Andrew Bell

Unconventional Resources Technology Conference (URTEC)

... an acoustic impedance background trend. This background trend is further filtered down to 0/0 – 4/8 Hz and used as the low frequency model...

2024

Synthetic Seismic Validation of Reservoir Models of the Carbonate Gas Fields in Offshore Sarawak, Malaysia; #41087 (2012)

Alexander David Kayes

Search and Discovery.com

... acquisition results. Given that seismic acoustic impedance drives both porosity and permeability models in the Sarawak carbonate reservoirs...

2012

Comparing Seismic Resolution and Signal and Noise Quality between Dense Point-Receiver and Conventional Data, Bakken Formation, North Dakota; #41160 (2013)

Niranjan Banik, Antoun Salama, Adam Koesoemadinata, George El-Kaseeh, Mark Egan, and Alfonso Gonzalez

Search and Discovery.com

... width. These are reflected in the final acoustic impedance inversion results. Introduction Recent integrated reservoir characterization studies...

2013

Testing the Tertiary Basin Floor Fan Play in the Gulf of Papua, PNG, #10802 (2015).

Brad Bailey, Galal Salem, Patrick Haltmeier

Search and Discovery.com

... amplitudes at all offsets are believed to arise from a downward decrease in acoustic impedance across a lithologic boundary, a soft event. Near-offset...

2015

Petroleum Potential of the Late Cretaceous-Palaeogene Sediments of the Reinga, Northland and Deepwater Taranaki Basins; #10820 (2015)

Pedro Martinez Duran, Robert Gater, Kevin Chesser, Thomas Coates-Harman, Bleddyn Davies, Jim Fenton, Jarrad Grahame, Annemone Haager, Cesar Marin, Gabor Vakarcs, Peter Baillie

Search and Discovery.com

... was conducted to assess source rock maturity, and reservoir interval porosity was inferred from acoustic impedance via seismic reservoir characterization...

2015

Seismic Interpretation Methodology for Fluvial Sandstone Reservoirs in Widuri Field, Offshore Southeast Sumatra, Indonesia

D. C. Carter, W. E. Harmony, L. Harvidya, G. Juniarto, S. Lestari, A. Purba

Indonesian Petroleum Association

... result from changes in acoustic impedance, thin bed thickness and complex interference effects. Seismic two-way time differences are used to detect...

2002

Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

... of the Djebel Bou Dahar carbonate platform as it was prior to the onset of deep burial. At this stage, impedance contrasts were at their maximum. This study...

1992

Use of Windowed Seismic Attributes in 3D Seismic Facies Analysis and Pattern Recognition

David C. Carter

Indonesian Petroleum Association

... wavelet properties at any point within the data, and secondly, the nature and arrangement of acoustic impedance contrasts within the subsurface...

1996

Composition of seismic facies: A case study

Stale Emil Johansen

AAPG Bulletin

... in Table 1. Vertical impedance contrasts are well controlled, but lateral variations are difficult to sample correctly in the field and are therefore...

2013

Abstract: An Amplitude Variation-Based Hydrocarbon Detection Method for Coal-Underlying Tight Sandstone; #91209 (2025)

Xi Wang, Gang Zhao, Qihai Nie, Yilan Meng, Shang Xu

Search and Discovery.com

... frequencies as the waves penetrate. In coal-bearing strata, the relatively low impedance of coal seams causes seismic waves passing through them...

2025

Geological Considerations during Microseismic Monitoring, Processing, and Interpretation of Hydraulic Fracture Treatment

J. Le Calvez, S. Hanson-Hedgecock, P. Primiero, T. Al-Wadhahi, O. Harrasi

Unconventional Resources Technology Conference (URTEC)

..., left panel, 1. Reservoir Characterization). This information may include 3D seismic surveys, acoustic impedance (AI) and other seismic-derived...

2016

Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data

Scott Singleton, Mark Suda

GCAGS Transactions

...-stack simultaneous impedance inversion: The Leading Edge, v. 28, p. 772–781. Tsvankin, I., 1997, Anisotropic parameters and P-wave velocity...

2012

Three-Dimensional Seismic Analysis in the Characterization of a Giant Carbonate Field, Onshore Abu Dhabi, United Arab Emirates

Peter Melville, Omar Al Jeelani, Saeed Al Menhali, Jürgen Grötsch

AAPG Special Volumes

... Zone B event (increase in porosity) is a decrease in acoustic impedance (AI), a negative number, and a trough. Well synthetics also showed...

2004

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

... on the migrated stack and on amplitude-versus-offset (AVO) attributes (P- and S-wave impedance reflectivity). Examples provided in this chapter are from...

2013

Injectivity Formation Damage Due to Fines Migration

Larissa Chequer, Mohammad Bagheri, Abbas Zeinijahromi, Pavel Bedrikovetsky

Australian Petroleum Production & Exploration Association (APPEA) Journal

... determines the pressure p. The analytical solutions for all variables and dimensionless pressure drop, called impedance, were obtained. Laboratory study...

2018

Identifying Fracture Zones in the Austin Chalk

D. J. Bafia, T. W. Spencer

Bulletin of South Texas Geological Society

.... This will reduce the impedance contrast between it and the lower velocity Eagleford Shale (Figure 1). The results from this study show...

1999

Seismic Hydrocarbon Indicators in the South China Sea: Geological and Geophysical Aspects

Stephen P. J. Cossey, William T. Valenta, Francois Payot, Tom T. Ho, P. J. Wegenhofer

Indonesian Petroleum Association

... reduces the acoustic impedance enough to cause very strong negative reflections. Based on previous drilling and seismic coverage, there was reason...

1982

The acoustic wave curve prediction technology based on support vector machine and its application in depth prediction during horizontal wells drilling

Hebing Tang, Jun Ming, Lei Liu, Zhenglong Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...-predicted, but the actual drilling depth is deeper than the re-predicted depth (Figure 2b). Relative impedance /[(kg▪ m-3) ▪ ( m ▪ s-1)] (b) TRC 10 CDP...

2022

Recent Advances in Borehole Seismic

W. L. Nutt

Indonesian Petroleum Association

... the VSP data by iterative modeling of reflection coefficients. It is from these reflection coefficients that the acoustic impedance is derived...

1984

Geophysical Insights into Completions and Production Predictability for a Shale Gas Reservoir Using Fault Intensity and AVO Inversion

Carl Reine, Sean Lovric

Unconventional Resources Technology Conference (URTEC)

... and amplitude balancing are then applied prior to the inversion. The inversion yields values of P-impedance, S-impedance, and density, which...

2013

Direct S-wave seismic data interpretation for channel sand reservoir at Sanhu area, West China

Rui Zhang, Zhiwen Deng, Yan Wang, Xiaoyu Xi, Xiusong Wang, Jie Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... along the dashed line in (a). (c) Inverted S-impedance along the dashed line in (a). The strong correlation between channel structure and production...

2023

Quantitative Interpretation Reveals Prospectivity of the Kwanza Shelf, Offshore Angola

Roberto Ruiz, Cyrille Reiser, Avril Burrell, PGS, Jean Afonso Colsoul, Naire Judith Ricardo Cahumba Quenge, ANPG

GEO ExPro Magazine

...: Final full-stack Kirchhoff Pre-Stack Depth Migrated (KPSDM) 3D line with relative acoustic impedance overlay. The relative acoustic impedance attribute...

2021

Seismic Reservoir Characterization Based on Litho-Seismic Classification Constrained by Wells to Detect Gas-Bearing Sands in Peciko Main Zone, Mahakam Delta

Muhammad Thurisina Choliq, Sung Yuh, Magali Beele, Laurent Schulbaum, Gilles Vallon

Indonesian Petroleum Association

... reservoirs. A rock physics feasibility study showed a fair separation between gas-bearing sands and other facies in P impedance versus Poisson’s ratio...

2014

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