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The AAPG/Datapages Combined Publications Database

Showing 547 Results. Searched 200,663 documents.

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Distributed Acoustic Sensing Vertical Seismic Profiling (DAS VSP) in an Exploration Well in the Gulf of Mexico—Case Study

A. Martinez, S. Ali, G. Zemlicka, S. Ruiz, C. Moyer, G. Richard, E. Bergersen, T. Campbell, B. Adkins, and J. Bassil

GCAGS Transactions

... reflections (Ali et al., 2024). After filtering, the residual wave field after this step was NMO corrected to two-way time via a VSP travel time-calibrated 2D...

2025

1.2 Seismic Stratigraphy: 1.2.2 Unconformities: High Relief Topography on the Jurassic Unconformity (Alabama)

J. R. English and J. S. Oslund

AAPG Special Volumes

... (58 m) Surface consistent statics Predictive deconvolution Filter: 8-16-55-75 Velocities from NMO Wave equation migration Amplitude...

1983

2.2 Basement Involved: 2.2.2 Rifts: A Half-Graben and Tilted Fault Block Structure in the Northern North Sea

A. C. Evans and D. N. Parkinson

AAPG Special Volumes

... corrected to sea level + 0.02S Deconvolution: Predictive Migration: 401-fold. 100% NMO velocities Time and space variant bandpass filter within...

1983

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

...), residual normal move out (NMO), NMO stretch, and anisotropy are greatest. Moreover, the small layer contrast assumption of the Aki and Richards...

2012

3D Seismic Data Interpolation by Frequency Domain Local 2D Prediction

Xishuo Wang

Search and Discovery.com

... an interpolated partial shot gather after NMO. Interpolation by time domain method (fig.1t) fails somewhat and frequency domain (fig.1f) method...

Unknown

3D Seismic Data Interpolation by Frequency Domain Local 2D Prediction

Xishuo Wang

Search and Discovery.com

... an interpolated partial shot gather after NMO. Interpolation by time domain method (fig.1t) fails somewhat and frequency domain (fig.1f) method...

Unknown

Abstract: Strong Noise … Removal and Replacement on Seismic Data; #90174 (2014)

Patrick Butler

Search and Discovery.com

... that approach. Instead it progressively replaces the trace data with an estimate of the signal built from adjacent traces. If the data has NMO applied...

2014

Abstract: Near Surface Anomalies and Solutions; #90211 (2015)

Todd Mojesky, David LeMeur, and Ali Karagul

Search and Discovery.com

... Industry Heading? Calgary, AB, Canada, May 15-18, 2006 2) GeoPACS Long wave and large magnitude statics require a new algorithm. NMO errors...

2015

Abstract: First-Arrival TomoStatics and Residual Statics for Near-Surface Corrections; #90211 (2015)

Jie Zhang, Oz Yilmaz, and Nanxun Dai

Search and Discovery.com

... for resolving residual statics like in the conventional NMO and stacking process. Thus, resolving long-wavelength statics from the first-arrival tomography...

2015

Predicting Seismic Data Quality from Multispectral Satellite Imagery in Alberta Oil Sands; #41335 (2014)

Andrew V. Barrett, Art Siewert, and Ron Weedmark

Search and Discovery.com

... predictive deconvolution, NMO, and alignment statics. This has proven to be a good predictor of final data quality on a shot station basis. Although a surface...

2014

Conditioning Prestack Seismic Data in the Offset-Azimuth Domain; #42462 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... is not optimal. Instead of stacking the azimuthally-sectored normal moveout, or NMO, corrected traces at every CMP, we suggest generating supergathers using...

2019

3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs

Antonio C.B. Ramos, T.L. Davis

Rocky Mountain Association of Geologists

... as a SV-wave. This interface correspond to a strong velocity contrast. Notice the interference produced by the converted wave (event with undercorrected NMO...

1997

Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

... at the bottom of a stack of homogeneous flat layers. where X N is the total source-receiver offset. We recognize in equation 4 the graphical interpretation...

1989

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

... incidence angle across an NMO-corrected CMP gather, such that a far angle-range stack has low frequency compared with a near angle-range stack. The same...

2002

AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... of far-offset data that are degraded by normal moveout (NMO) stretch. Near-stack inversion also gives the most robust calibration to well logs...

2001

The Geophysicist Communicating with Seismic Processing

R. E. Sheriff

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the effect of the EXPGAIN previously applied; /NMO applies normal moveout, and certain files (FILES) are plotted so that we can see how appropriate...

1980

Determining the Coal Bed Methane Distribution Based on Amplitude Variation With Offset (AVO) Analysis and Seismic Inversion: Case Study of Sumatra Basin

Padmadi Heru Wibawa, Abd. Haris, Suprajitno M.

Indonesian Petroleum Association

... and isotropic horizontal layer. The inversion algorithm assumes that a) the input CMP gather is properly migrated and corrected for NMO effects, b) the input...

2007

P-Wave Azimuthal Anisotropy and Its Application in Sandstone-Conglomeratic in Yani Oil Field

Zha Chaoyang, Shen Shuirong, Hairunnisa, Xia Tianfang

Indonesian Petroleum Association

... is tight with low permeability and porosity. Data Two subsets of 3D seismic data were loaded: post-stack migration and pre-stack NMO CDP gathers. Pre...

2008

S1P and S2P separation and shear wave splitting correction for SVP data

Yuan Yuan Yue, Zhongping Qian, Hongmei Nie, Pengyuan Sun, Zhiwen Deng, Jianfeng Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...) azimuthal CCP stacking when converted-wave velocity is used for NMO correction. Table 1: Model parameters Layer 1 2 3 4 (m/s) Vp Vs 1500 1700...

2022

Transformer-based network for an efficient ground roll suppression

Randy Harsuko, Omar Saad, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... to marine seismic data, encompassing denoising, direct arrival removal, multiple attenuation, and normal moveout (NMO) correction. A key feature...

2024

FWI derived reflectivity gathers in angle domain

Hu Jin, Simon Luo, Qingqing Liao, Xukai Shen, Ganyuan Xia, Madhav Vyas

International Meeting for Applied Geoscience and Energy (IMAGE)

... acquisition. Figure 5: a) NMO corrected CMP gather, b) Kirchhoff offset gather, c) FDR offset gather with each offset bin of 5 m and d) FDR angle gather...

2024

Towards flexible demultiple with deep learning

Mario Fernandez, Norman Ettrich, Matthias Delescluse, Alain Rabaute, Janis Keuper

International Meeting for Applied Geoscience and Energy (IMAGE)

... (NMO) velocity estimation. To address this, we propose a supervised DL training method for demultiple based on moveout discrimination in the CDP domain...

2024

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