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The AAPG/Datapages Combined Publications Database

Showing 15,384 Results. Searched 200,599 documents.

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Resolving the Structural Complexities in the Deepwater Niger-Delta Fold and Thrust Belt: A Case Study from the Western Lobe, Nigerian Offshore Depobelt, #10289 (2010)

Olabode S. Matthew, Jason Won, George Udoekong, Olaoluwa O. Ibilola, Dolapo Dixon

Search and Discovery.com

... • Characterized by passive, active & reactive mud diapirs -Shale ridges -Shale overhangs -Vertical mud diapirs that form mud volcano at the seafloor...

2010

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... frequency increased. Figure 11 shows the amplitude spectrum with different dominant frequency at offset 500m with near surface considered. The dominant...

2014

De-Risking a Gas Development Using Geophysical Methods; #41086 (2012)

Alessandro Mannini, Phil Rawstron, Shin Ni Chai, and Andrew Spedding

Search and Discovery.com

... with the objectives of improving signal-to-noise, removing multiples and generating near/far-trace data for AVO analysis. A further reprocessing campaign...

2012

Fundamental 3-D Seismic Survey Design

Stuart Wright

Rocky Mountain Association of Geologists

... for amplitude variation with offset characteristics to infer pore contents, or in some cases lithology, has been common for well over ten years. More recently...

1995

A new surface-line method for 5D interpolation of orthogonal surveys

Charles Ursenbach, Beng Seong Ong, David Wilkinson

International Meeting for Applied Geoscience and Energy (IMAGE)

... indicate the offset cutoff used for stacking. In the surface-line case, low amplitude traces past the blue line correspond to extrapolated far offsets...

2024

Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study

D. E. Miller and L. Dupal

AAPG Special Volumes

...Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study D. E. Miller and L. Dupal 1987 110 115 AAPG Studies in Geology #27...

1987

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... variation dictates the choice of migration method used for the post-stack migration. Prestack migration is implemented as an extension of post stack...

1987

What Does It Mean When Bottom Simulators Are Black Swans?

Karyna Rodriguez, Neil Hodgson, Julia Davies, Searcher Seismic, Discover Geoscience

GEO ExPro Magazine

... in acoustic impedance observed on seismic data at the BSR generates a high amplitude event that has opposite polarity to the seabed and may cross-cut...

2021

3-D Seismic Applications for Environmental and Groundwater Reconnaissance

Donald J. Marlin , William H. Schramm , and Robert M. Mayer

GCAGS Transactions

... illustrating the high resolution impedance contrast of sands and shale. Figure 6. Original synthetic cross-section illustrating variation in amplitude...

1999

Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data

Burkhard Buttkus

Geological Society of Malaysia (GSM)

..., as shown on the right side of Figure I, offer the ability to view directly the spatial distribution of seismic parameters such as amplitude and velocity...

1985

Finite Difference Modelling: Part IV

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... and are potentially too informative, as they include all wave phenomena, such as multiples, diffractions, and surface waves, in the most complex media. Here, we...

2019

Target detectability in regional-scale AEM surveys

David Annetts, Juerg Hauser

Petroleum Exploration Society of Australia (PESA)

... be funded by governments in order to provide evidence of an area’s prospectivity or to map physical property variation or structure, amongst many other...

2019

Integrated Amplitude versus Offset (AVO) Approach for Delineating Stratigraphic Traps

M. Azuddin M. Yusof

Geological Society of Malaysia (GSM)

...Integrated Amplitude versus Offset (AVO) Approach for Delineating Stratigraphic Traps M. Azuddin M. Yusof 308 Integrated Amplitude versus Offset...

1999

Seismic monitoring of CO2 injections in a carbonate saline aquifer onshore Abu Dhabi

Guillaume Cambois, Jane Mason, James Cowell, Olivier Kirstetter, Mohamed Mahgoub, Muhammad Waqas, Abdulla Al Neyadi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of zero-offset VSPs (ZOVSP) every month, and 3D VSPs every four months. The baseline for the 3D VSP covered a 4km radius around the well to maximize...

2024

ABSTRACT: Quantitative 3D Interpretation and Visualization Tools Help to Reduce Reservoir Risk in the Deepwater Tarfaya-Agadir Basin, Offshore Morocco; #90017 (2003)

Bruce Mitchell, Elizabeth Harvey, Fred Keller, Charlie Lee, Dave Robertson, Mario Wannier

Search and Discovery.com

... that sands in the basin may be acoustically invisible or even slightly hard on the near offsets. Soft amplitude (AVO) anomalies on the far-offset volume...

2003

Characterization of Seismic Anomalies using Converted Waves: A Case History from East Natuna Basin

Lotfi Ben-Brahim, Ronan Petton, Michel Couderc, Agus Djamhoer

Indonesian Petroleum Association

... is excellent matching favorably the best compressional wave data. Interpretation of these 2D/4C data has enabled seismic amplitude anomaly characterization...

2000

Pushing the boundary of WAZ streamer data for subsalt imaging: A case study in deepwater Mexico Campeche

Yi Chen, Kendra Pyke, Juan Wang, Jasmeen Moubarak, Earl Manning, Jessica Kopp, Rongzhang Chen, Chang Chen, Ravi Kumar, Minshen Wang, Sabaresan Mothi

International Meeting for Applied Geoscience and Energy (IMAGE)

... such as long-offset, full-azimuth Ocean Bottom Node (OBN) data in this frontier basin, previous efforts focused on extracting most values from...

2022

Tengiz field fault shadows mitigation with combined joint FWI-tomography, Q-tomography, and least-square migration

Tianjiang Li, King Sim Lee, Bin Gong, Kai Yang, Kai Zhang, Assem Bibolova, Zhanibek Katrenov

International Meeting for Applied Geoscience and Energy (IMAGE)

... the vertical and lateral PSDM offset amplitude and frequency band variations. Utilizing the Q model to recover true amplitude and phase through Q...

2022

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... signal-to-noise ratio while producing a seismic time section that simulates what would have been recorded in a zero-offset seismic survey, that is, one...

1992

P- and S-Wave Velocity Structures of the Sigsbee Abyssal Plain of the Gulf of Mexico from Ocean Bottom Seismometer Data

Sangmyung D. Kim, Seiichi Nagihara, Yosio Nakamura

GCAGS Transactions

... of processing steps to enhance the amplitude and coherency of the first and secondary arrivals at offsets beyond 40-50 km, where the signal generally...

2000

Sequential vertical gas charge into multilayered sequences controlled by central conduits

M. Foschi, J. A. Cartwright, and C. W. MacMinn

AAPG Bulletin

... 102 5 Four sets of stacked amplitude anomalies are described from a three-dimensional seismic survey acquired in Block A of the Dutch North Sea...

2018

Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).

Yong Xu, Satinder Chopra

Search and Discovery.com

...Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015). Yong Xu, Satinder Chopra Improving AVO Fidelity...

2015

Dim Spots and Non-Bright AVO Associated with Gas in the South Ardjuna Basin, Offshore North West Java, Indonesia

David A. Fisher, Leonardus Suffendy

Indonesian Petroleum Association

... with increasing angle of incidence. There are subtle variations in the amplitude response from gather to adjacent gather. The offset response for the gas...

1999

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