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The AAPG/Datapages Combined Publications Database

Showing 17,714 Results. Searched 200,691 documents.

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Comparison of Multi Azimuth 3D Survey With Conventional Single Azimuth Survey in a Complex Geological Area

Andrea Bergamaschi, Michele Buia

Indonesian Petroleum Association

... wells with confidence. The main geophysical challenges of the area include strong 3D multiples, poor illumination at target level and limited signal...

2009

High resolution imaging by dynamic matching FWI in the presence of AVO effects

Fuchun Gao, Shuqian Dong, Yang He, James Sheng, Faqi Liu, Bin Wang, Carlos Calderon, Yuriy Ivanov, Fanny D. Marcy, Ole E. Aaker

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the boundaries between the synthetic and field data. Please note that multiples in the observed data are inverted too to update model for better...

2023

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... over the model. To build a model of the Oliver Field and simulate seismic parameters, resins were used to construct the geological structure between...

1995

Illuminating Asset Value at Mad Dog through New Seismic Technology

Michael J. Staines, Scott Michell, Dean Chergotis, and John Sharp

GCAGS Transactions

... velocity model was incorrect, mainly due to ambiguous interpretations of salt. Artifacts from multiples and gaps in the illumination...

2008

Abstract: Subsalt Seismic Modeling and Illumination Analysis in Red Sea Transition Zone; #90254 (2016)

Ewenet Gashawbeza, Hongwei Liu, Saleh AL-Saleh

Search and Discovery.com

... velocity field, acquisition geometry, and a high fidelity algorithm. In this study, two modeling techniques were used: (1) ray-based that is fast...

2016

Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014)

Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Mike Perz, Ye Zheng

Search and Discovery.com

..., and are contaminated with short period multiples. The advent of high resolution sparse Radon Transform multiple attenuation techniques allows us to examine...

2014

Abstract: Rock Physics and AVO Mapping of Lithofacies and Pore Fluid Probabilities: Niger Delta; #90255 (2017)

Ibukun Olorunniwo, Sunday Olotu, Moses Olorunniwo, Adekunle Adepelumi

Search and Discovery.com

..." Oil Field, Niger Delta. Statistical crossplots of Gamma Ray (GR) log versus P-wave velocity, Relative Impedance (RI) versus GR log and histogram...

2017

Probabilistic Reservoir Characterization via Seismic Elastic Inversion in East Andaman Basin; #40880 (2012)

Mahendra Kishore, Pritam Jha, Dino Ros, and Alfonso Iunio Marini

Search and Discovery.com

... a-priori information coming out from the analogue basin wells. Due to possible differences in burial history between the Andaman and the analogue...

2012

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

.... In practice, both wavefields travel up and down when the velocity model is complex. This generates turning rays and multiples. In addition, the one-way WEM...

2014

Risk Reduction on the Ivory Prospect via Geologically Constrained Non-Parametric Inversion and Bayesian Uncertainty Estimation on a Fault-Bounded Reservoir, #11039 (2018).

James Raffle, Thomas Earnshaw, Stuart Greenwood, Jeet Singh, Juergen Fruehn, Claudia Hagen, Ian F. Jones, Rodrigo Felicio, Zhijiang Luo, Doug Sassen, Svein Idar Forsund, Mark Ackers, Lars Aamodt

Search and Discovery.com

... for deghosting and demultiple. A cascaded 2b 3D and 2D SRME demultiple approach was used to target free surface multiples which dominated the target...

2018

Structure and Stratigraphy of the Porcupine Basin: Relationships to Deep Crustal Structure and the Opening of the North Atlantic: Chapter 29: European-African Margins

Peter F. Croker, Simon L. Klemperer

AAPG Special Volumes

..., T-Triassic, M-Moho. Question marks show the zone in which it is difficult to distinguish primaries from multiples at the present stage of processing...

1989

Detection of Fluvial Reservoir Sands Using Rock Physics and Simultaneous Inversion: Case Study from the Gulf of Thailand

Mirza Naseer Ahmad, Philip Rowell

Indonesian Petroleum Association

... relatively low density and low P-wave velocity as compared to shales. As depth increases P-wave velocity contrast between sand and shale decreases...

2013

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

... compared with the adjoint migration, and the CSB-LSM produces slightly better images for the inaccurate velocity model. The multiple scattering between...

2024

Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods

Allan T. Long, R. C. Anderson

AAPG Special Volumes

... to overcome the various noises in the system? Are there sufficient differences between geological conditions and seismic expressions to distinguish...

1992

Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek

Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Operto, 2009). Between each stage, QC migrations were run to check well ties and perform velocity adjustment if needed. Due to the offset-to-depth ratio...

2023

Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces

Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang

GCAGS Transactions

... constrained dynamic warping to correct the misalignments between synthetic and input waveforms due to short-wavelength velocity errors. The waveform...

2016

DDR: The Technology of Simultaneous Wave Field Analysis and Velocity Model Reconstruction

A. Reshetnikov, A. Tabakov, A. Mukhin, V. Eliseev

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...DDR: The Technology of Simultaneous Wave Field Analysis and Velocity Model Reconstruction A. Reshetnikov, A. Tabakov, A. Mukhin, V. Eliseev DDR...

2006

Passive Margins: Seismic Stratigraphy of Carbonate Platform Sediments, Southwest Florida

D. Bradford Macurda, Jr.

AAPG Special Volumes

... sec; Figure 1). If there are any multiples present, they tend to parallel the primary reflectors and it is difficult to differentiate between them...

1987

ABSTRACT: Using Dual-Sensor Streamers to Address Seismic Imaging Challenges in OML 133, Offshore Nigeria; #90115 (2010)

Chris Tapie, Yvonne Paisant, Per Eivind Dhelie, and Robert Lory

Search and Discovery.com

... diffracted multiples that occur at the same time as the reservoir. Consequently, survey designs using conventional marine streamers must balance the desire...

2010

Basin-Scale Rock Physics Study and Stochastic AVO Modelling for the Deep Water Kutei Basin (East Kalimantan … Indonesia)

Gabriela Carrasquero, Alessandro Amato del Monte, Fabio Luoni, Paolo Battini, Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Nasif Khifni

Indonesian Petroleum Association

... wells. (b) Crossplots of density versus P-wave velocity (coloured coded by gamma ray) with overlaid Voigt and Reuss bounds and between P-wave velocity...

2014

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

..., the seismologist wavers between two directions. Firstly, he wants to have and to maintaine the highest possible signal-to-noise ratio. Secondly, he wants to obtain...

1979

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