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The AAPG/Datapages Combined Publications Database

Showing 1,708 Results. Searched 200,616 documents.

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Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration

Robi Junipa, Michel Bee

Indonesian Petroleum Association

... geologic information (well markers, sonic logs and geologic horizons) and ignore geophysical information such as RMS velocity function may be inaccurate...

2010

A New Approach to Time Depth Conversion and Depth Error Estimation for 2D Interpretation Using Seismic Velocities

Rosidah Hardiani, Sanisah Soed, Lothar Schulte

Indonesian Petroleum Association

... converted and adjusted to the well velocities to address velocity anisotropy. Then the interval and average velocity points were derived for both...

2013

A Simple Guide to Depth Conversion: Part I

Ashley Francis

GEO ExPro Magazine

... they can be stacked. The stretch factor is related to the RMS average velocity and so NMO correction gives an estimate of the velocity profile at each point...

2018

Velocity Modeling with Complex Tectonics; Example from the San Joaquin Forearc Basin, California; #41950 (2016)

Lisa Alpert, Josué Rosas

Search and Discovery.com

...Velocity Modeling with Complex Tectonics; Example from the San Joaquin Forearc Basin, California; #41950 (2016) Lisa Alpert, Josué Rosas Velocity...

2016

Identifying Fracture Zones in the Austin Chalk

D. J. Bafia, T. W. Spencer

Bulletin of South Texas Geological Society

... was aimed at investigating the low amplitude anomaly method, which assumes that the seismic velocity of the Austin Chalk will decrease in fracture zones...

1999

The Geophysical Aspects of Abnormal Fluid Pressures

Edward B. Reynolds, John E. May, Alf Klaveness

Houston Geological Society

... time window which "flattens" the hyperbola then is plotted at that normal incidence reflection time. The resulting plot of RMS velocity versus...

1971

Fault Shadow Issues and Resolution in Model and Real Data

Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... converted back to time using vertical stretching. Figure 5. Time RMS Velocity, transformed from depth-interval velocity. These velocities are used...

2002

Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"

Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng

Indonesian Petroleum Association

... the need for traditional raytracing. At zero offset the AAMO velocity is equal to the conventional root mean square (RMS) velocity, while at higher offsets...

2000

High-Resolution Model Building in a Full-Azimuth Nodal Survey in the GOM

Sandip Chattopadhyay, Gary Rodriguez, Tefera Eshete, Guy Hilburn, TGS

GEO ExPro Magazine

... the checkshot velocities at checkshot locations, The time-RMS model derived from PSTM velocity analysis residual moveout at these locations is attributed...

2016

The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #41516 (2015)

Jim Montalbetti, Jeff Beckett, Graham Hodgkiss

Search and Discovery.com

.... Build an initial interval velocity model using prestack time migration and the associated RMS velocities. 2. Apply a geomechanical correction to the near...

2015

Abstract: Converted-wave Time Imaging … Nuts and Bolts; #90187 (2014)

Shaowu Wang, Thomas Hollis, and Wayne Nowry

Search and Discovery.com

... RMS velocity respectively, which are the function of converted-wave RMS velocity , and effective velocity ratio . and are the distance from source...

2014

The impact of estimated temporal and spatial variability of water layer velocity on the correction of OBS data

Peter Scholtz, Truong Nguyen, Arash Jafar Gandomi

International Meeting for Applied Geoscience and Energy (IMAGE)

... the variation of RMS velocity at the water bottom with respect to space and time. The colors in the figure represent the velocity displayed at each shot point...

2023

Seismic Foldout: Contourites: When everything going sideways saves the day

Neil Hodgson, Karyna Rodriguez, Lauren Found, Searcher

GEO ExPro Magazine

... OPPORTUNITIES The future has arrived Depth converted East-West line from the Pelotas 2024 3D fast track seismic dataset. RMS extraction in a window below...

2025

Improving reservoir imaging with FWI: A case study in the Columbus Basin, offshore Trinidad

Xiaolei Song, Simon Luo, Hu Jin, Imtiaz Ahmed, Akkel Paul, Nirala Boodoo, Ganyuan Xia, Sean Cardinez, Rodney Johnston

International Meeting for Applied Geoscience and Energy (IMAGE)

... full waveform inversion (FWI) to an offshore gas field in Trinidad with complex geology. We obtained a detailed velocity model up to 30 Hz using Ocean...

2024

Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)

John C. Bancroft and Thais Guirigay

Search and Discovery.com

... a prestack time migration. The velocity field of the subsurface is now defined with stacking or RMS type velocities. These velocities are much less sensitive...

2015

Turbulence Modulation in Clay-Rich Sediment-Laden Flows and Some Implications for Sediment Deposition

Jaco H. Baas, James L. Best

Journal of Sedimentary Research (SEPM)

... is absent (Fig. 2 B). These results confirm similar velocity trends documented by Wang and Larsen (1994) and Wang et al. (1998). Root-mean-square (rms...

2002

Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation

Zhishuai Zhang, Jing Du, Fuchun Gao

Unconventional Resources Technology Conference (URTEC)

... in Table 1. The RMS misfit using provided velocity model is 1.68 ms while that using our simultaneous inversion is only 0.47 ms. This large decrease...

2017

Influence of Pressurized Shale of Akata Formation on Clastic Reservoir Developments, Offshore Niger Delta Using Seismic-Attributes Modeling; #40844 (2011)

Jonathan Johnson

Search and Discovery.com

... of accommodation space. • Workflow combining structural contours, RMS amplitude, time slices, and well data will give a reliable insight in prospecting...

2011

Reducing mapping ambiguity via visco-acoustic multi-azimuth dynamic resolution time-lag full-waveform inversion in offshore Senegal

Kai Zhao, Hui Zhang, Jianfeng Yao, Robert Eliott-Lockhart, Jacob Low

International Meeting for Applied Geoscience and Energy (IMAGE)

...-waveform inversion (FWI) has demonstrated tremendous potential to provide high-resolution subsurface models. However, obtaining an accurate FWI velocity...

2024

Characterization and simulation of transverse noise waves of a multisensor solid streamer

Viktor Smirnov, A. Sourice, J. Ribette, J. Mars, P. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... characterization of these waves is proposed. Reviewing the classical model of transverse wave propagation, a new model of their velocity is obtained. This new...

2022

3D velocity model building based upon hybrid neural network

Herurisa Rusmanugroho, Junxiao Li, M. Daniel Davis Muhammed, Jian Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

...3D velocity model building based upon hybrid neural network Herurisa Rusmanugroho, Junxiao Li, M. Daniel Davis Muhammed, Jian Sun 3D velocity model...

2022

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... is the event a t 1.5 sec beneath the ridge (event A, Figure 3). The hyperbolic moveout of this reflector indicates an rms velocity of approximately...

1985

Delaware Basin Horizontal Wolfcamp Case History: HTI Fracture Analysis to Avoid H2S and Extraneous Water Linked to Graben Features

Scott Cook, Mike McKee, Sid Bjorlie

Unconventional Resources Technology Conference (URTEC)

... is prohibited. Abstract Pre-stack HTI Velocity Variation with Azimuth (VVAZ) and Amplitude Variation with Azimuth (AVAZ) are employed to locate open...

2019

A new method in predicting sandstone thickness using seismic amplitude ratio attribute

Bin Li, Jiawei Li, Hao Yan, Pengzhi Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., we built a new composite attribute from RMS amplitude and the sum of positive (negative) amplitudes to predict the sandstone thickness. The method...

2024

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