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The AAPG/Datapages Combined Publications Database

Showing 547 Results. Searched 200,685 documents.

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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

ABSTRACT: Azimuthally Sectored Attribute Volume Analysis; #90122 (2011)

Amanda Thompson, Jamie Rich, and Mike Ammerman

Search and Discovery.com

... to approximate the NMO velocity in a medium with horizontal transverse symmetry. Following the methodology of Thompson et al (2010) ellipses were fit...

2011

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: White Noise Suppression in the Time Domain … Part II; #90174 (2014)

Patrick Butler

Search and Discovery.com

... noise) and NMO stretch to consider. This has been analyzed by applying the algorithm and looking at the phase spectra of a number of events...

2014

Abstract: A Seismic Workstation Solution to Bakken AVO; #90174 (2014)

D. Meisinger and N. H. Kalmanovitch

Search and Discovery.com

... is not useable. Stacked seismic traces contain many components that are not present in synthetic traces such as variable amounts of NMO stretch...

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

AVO Inversion in Marine Gas Hydrate Studies; #41603 (2015)

Marc-André Chen, Stan Dosso, George Spence, Michael Riedel, Roy Hyndman

Search and Discovery.com

... of both media is constrained by NMO velocity analysis of MCS data. Parameter MPD’s for this case are shown in Figure 1. Inversion results are further...

2015

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

Evolution of a buried moat–drift system in the Ewing Terrace uncovering highly dynamic bottom currents at the Argentine margin from the early Oligocene to middle Miocene

Ellen Unland,, Elda Miramontes, Volkhard Spiess, Graziella Bozzano, Sabine Kasten, Tilmann Schwenk

Journal of Sedimentary Research (SEPM)

...), an interactive velocity analysis followed by a normal moveout (NMO) correction, static correction, noise removal (THOR, 2D-Despike, 4D-Dec...

2024

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

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... 82/V 2 (3) The first term on the RHS of (equation 3) is associated with normal moveout (NMO) and the second term with dip moveout (DMO) since...

1996

Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra

Iswani Waryono, Wahyu Triyoso

Indonesian Petroleum Association

... hydrocarbon charged reservoir from brine reservoir. RMS Velocity field is main driver of VVO or VVA. It is generated automatically from Normal Move Out (NMO...

2012

Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium

Guillaume Cambois

International Meeting for Applied Geoscience and Energy (IMAGE)

... 2: Left: NMO curves for qP (blue), qSv (green) and C (red) waves for the Greenhorn Shale (Figure 1). The x-axis is the offset to depth ratio...

2023

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... to the broader frequency bandwidth. Migrated CMP gathers are also available after reprocessing, and Figure 4 shows these NMO corrected gathers with a 200m...

2016

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