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The AAPG/Datapages Combined Publications Database

Showing 493 Results. Searched 195,372 documents.

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Post Migration Processing of Seismic Data

Dashuki Mohd.

Geological Society of Malaysia (GSM)

... and deconvolution, • definition of survey geometry, • normal moveout (NMO) and stacking, • migration, and • filtering and scaling. In geologically...

1994

5D Interpolation Adds Value at the Drill Bit for a Texas 3D Seismic Survey

K. Rene‘ Mott, William Keller, Mike Perz

GCAGS Transactions

... analysis, 2nd pass residual statics, normal moveout (NMO), and trim statics, Prestack interpolation, ¼ mile × ¼ mile prestack time migration (PSTM...

2016

Seismic Attributes for Reservoir Property Prediction„ A Review (Geophysics Poster 16)

Muhammad Sajid, Zuhar Zahir Bin Tuan Harith

Geological Society of Malaysia (GSM)

..., it must be bear in mind that low frequency could be introduce in seismic data due to Normal Move Out (NMO) stretching or Common Mid Point (CMP) stacking...

2011

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... dependant changes in the angle gathers that are not attributable to geology (frequency decay with offset, wavelet stretch from NMO-removal, etc...

2013

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... dependant changes in the angle gathers that are not attributable to geology (frequency decay with offset, wavelet stretch from NMO-removal, etc...

2013

New Integrated Workflows for Improved Pore Pressure Prediction and Seismic Imaging, #41705 (2015).

Marek Kacewicz, Sankar Muhuri, Weihong Fei

Search and Discovery.com

... inversion for velocity / anisotropy or trade off calculation, e.g., based on NMO)  Migrate seismic data  Iterate tomography / basin modeling gradually...

2015

Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... survey does, and usually more accurately. Seismic data themselves provide velocity information through measurement of normal moveout (NMO). If a seismic...

2011

Dude, wheres my AVO? A case study from the Browse Basin, North West Shelf, Australia

Said Amiribesheli, Jordan McGlew, Joshua Thorp

Petroleum Exploration Society of Australia (PESA)

... Migration (PSTM) workflow that incorporated 4th order Normal Moveout (NMO) velocities at the migration stage. The 4th order NMO velocities provides...

2019

Seismic Signature as a Porosity Indicator in Early Miocene Reefs in the Madura Strait Via AVO Inversion and Modelling

Bimal R. Banerjee

Indonesian Petroleum Association

... flat amplitude and frequency response is not suitable for signature correlation of model results as the stack response suffers from non-linear NMO...

1993

De-risking Appraisal Phase in the Recent Gas Discovery in Banggai-Sula Basin, Central Sulawesi: Application of AVO Analysis and Pre-stack Inversion in the Sub-ophiolite Reef Carbonate Play

Mufied Ahmad, Yudi Herdiana, Tika R. Pertiwi, Hendarsyah, Arie Naskawan

Indonesian Petroleum Association

... shows the seismic data conditioning workflow prior performing AVO analysis and pre-stack seismic inversion. The PSDM NMO’ed gathers from the latest...

2021

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)

... datasets have been acquired using a “conventional” flat cable, hydrophone-only configuration, usually towed at a constant depth below the sea surface...

2016

Brazos A-105 D-Sand Reservoir Modeling by Integration of Seismic Elastic Inversion Results with Geostatistical Techniques

W. Xu, K. Wrolstad, D. Kramer, P. Dooley, K. Domingue, D. T. Vo

AAPG Special Volumes

... is a Rutherford and Williams (1989) class 2 reflector with higher P-wave velocity and lower density than the overlying shale. This gives a phase reversal...

2006

Abstract: Application of Target-oriented VVAZ on Relatively thin Fracture Reservoir; #90174 (2014)

Stephen K. Chiu, Jack Howell, Jason A Stein, Samik Sil, and Jeff Malloy

Search and Discovery.com

.... It uses differential residual NMO travel times between the top and base of a fracture layer and performs a least-square inversion using travel times...

2014

Multicomponent Seismic Studies of the Gas-hydrate System at the Storegga Slide

Stefan Bunz, Jurgen Mienert, Karin Andreassen

AAPG Special Volumes

.... Andreassen, K., J. Mienert, P. Bryn, and S. C. Singh, 2000, A double gas-hydrate related bottom-simulating reflector at the Norwegian continental...

2009

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 7: Shallow 3-D Seismic and a 3-D Borehole Profile at Ekofisk Field

John A. Dangerfield

AAPG Special Volumes

..., accomplishing both NMO and 3-D migration. Unfortunately, the deepest 15 levels were so severely distorted by the gas that it was not useful to migrate...

2011

Section 3: Displays of Seismic Sections: Forearc Margin, Central Aleutian Ridge

David W. Scholl, Jill McCarthy, and Holly Ryan

AAPG Special Volumes

... University. This work consisted of demultiplexing, sorting, trace editing, velocity analysis, NMO correction, bandpass filtering, 24-fold common depth...

1986

Identification of Sand Dunes in the Early Jurassic Nugget Formation in the Moxa Arch of Wyoming Using Seismic Attributes, Petrophysical Modeling, and Seismic Data Conditioning; #51604 (2019)

Dhruv Agrawal, Sumit Verma, Subhashis Mallick

Search and Discovery.com

... maximum dissimilarity. Blue arrow indicates interdunal and yellow arrow indicated dunal environment. Structural Curvature k=0 x z k<0 Flat Plane...

2019

Abstract: New Seismic Technology in Acquisition & Processing Re-Opens Areas for Pre-Tertiary Exploration in Eastern Indonesia

Andrew Cochran

Southeast Asia Petroleum Exploration Society (SEAPEX)

... normal moveout (NMO) and subsequently muted before stacking. The ability to use a full Kirchhoff algorithm in pre-stack time migration (PrSTM), or UTMOST...

2001

ABSTRACT: Back to Basics on Broadband Seismic Amplitudes, Phase and Resolution

Andrew Long

Petroleum Exploration Society of Australia (PESA)

.... These variations are attributed to three first-order processes: 1. Progressive attenuation of higher frequencies with longer travel paths, 2. NMO...

2016

Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance

Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

..., for weak anisotropy, the P wave normal moveout (NMO) velocity at an arbitrary azimuth is given by Tsvankin (1997): Vnmo    V0 1  2 cos2...

2016

Abstract: Converted-Wave Statics Estimation from a PS-Receiver-Stack Image; #91204 (2023)

Yimin Sun, Mohammed Mubarak, Victor Dolgov

Search and Discovery.com

... and the common-conversion-point normalmoveout (CCP-NMO) correction are applied. The corresponding PP dataset, which is NMO corrected and with both source-side...

2023

Stop Treating Diffractions as Noise … Use them for Imaging of Fractures and Karst; #120057 (2012)

Mark Grasmueck, Tijmen Jan Moser, and Michael A. Pelissier

Search and Discovery.com

... and karst trends and distribution. Line Diffraction: Intersection of two Flat Fracture Planes Diffractions originate from sub-wavelength...

2012

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