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The AAPG/Datapages Combined Publications Database

Showing 160,913 Results. Searched 195,372 documents.

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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

An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement

Andy Furniss

Petroleum Exploration Society of Australia (PESA)

... to root• mean-square (RMS) velocities. Equation (1) shows that interval velocity, Vinr can be calculated for the n'" interval where vrms,.J' tn.J...

1999

An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement

Andy Furniss

Indonesian Petroleum Association

... this velocity information is to use the Dix equation (Dix, 1955) which relates interval velocity to root-mean-square (RMS) velocities. Equation (1...

2000

Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... = V 2 2 t 2 − V 1 2 t 1 t 2 − t 1 With some approximations then, we can compute interval velocities between reflections from...

2011

Wide-Angle Seismic-Reflection and -Refraction Data from the Solomon Islands

A. K. Cooper, R. A. Wood

Circum Pacific Council Publications

... with zero-offset times equal to the corresponding reflection horizons in the verticalincidence seismic data. Interval velocities between selected...

1986

Abstract: RALPH Observations of shoreface sedimentation processes at Martinique Beach

Don Forbes, D. E. Heffler, Ron Boyd

Atlantic Geology

...-dominated envi- by r.m.s. wave heights up to 1.2 metres ronment that follows the well-defined and maximum current velocities of 65-80 cycle of summer sediment...

1984

ABSTRACT: Seismic amplitude analysis of the lower Cruse sands, southwest Soldado, Trinidad

Dupigny, A. and Charles, D.

Geological Society of Trinidad & Tobago

... various methods of amplitude extraction (including max. positive, negative and absolute, average absolute and RMS), amplitudes were extracted from the oil...

1995

Methods of estimating wavelet stationarity, stabilizing non-stationarity, and evaluating its impact on inversion: A synthetic example using SEAM II Barrett unconventional model

Jesse Buckner, Michael Fry, Joe Zuech, Peter Harris, Bill Shea

International Meeting for Applied Geoscience and Energy (IMAGE)

... enough to introduce errors in our quantitative amplitude analysis (Roden et al., 2005) and inversion. The average RMS from the synthetic and the input...

2023

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: 3D - Marine Seismic Data Recording and Processing

W. Houba

Geological Society of Malaysia (GSM)

... velocity studies have been started from analyses data on a grid of 50C) x 500 m. The velocities have been areally smoothed along pre-interpreted reflection...

1981

ABSTRACT: Lankahuasa Prospect: Open Door to Deeper-Water Exploration in Offshore Veracruz Area; #90007 (2002)

Rosa Adriana Anguiano-Rojas

Search and Discovery.com

..., that I suspect could be related with the hydrocarbon presence) and other attributes: RMS anomaly extracted from a 32 ms window, and with the Integrated...

Unknown

Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)

Rajesh Vayavur and Andrew. J. Calvert

Search and Discovery.com

... section, which consists of 201 shot gathers, was used from offshore southwestern Alaska. At this location, the water bottom is shallow, i.e. less than...

2014

A Regional Velocity Cube for Depth Conversion on the Northwest Shelf

Maighréad Ní Dheasúna, Mark Ballesteros, James Leven

Petroleum Exploration Society of Australia (PESA)

... calculated from t he check shots to t he interval across the study region. This balancing is factor in the lateral resolution of the velocity velocities...

2012

The Geological and Geophysical Evaluation of the S-108 Area, Gulf of Paria, Offshore Western Trinidad, #20232 (2014)

Nancy Gallai, Curtis Archie

Search and Discovery.com

... and Gas/Oil contacts were mapped from the wells. Also, RMS amplitudes also conform to structure. In one RMS amplitude extraction specific to the Forest...

2014

Abstract: A Time Migration before Stack

Richard C. Cooper, Malcolm R Hobson

Geological Society of Malaysia (GSM)

... more closely represent vertical rms velocities. Thus we benefit from having both a better migrated output with a commensurate increase in reliability...

1990

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

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

...), a methodology which estimates azimuthal interval fast and slow velocities and fast-velocity orientation (Vint_fast, Vint_slow, φ_int, respectively) from...

2018

Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data

Burkhard Buttkus

Geological Society of Malaysia (GSM)

... Physical parameters deduced from seismic data for reservoir prediction are first of all interval velocities and acoustic impedances. Determination...

1985

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... of untenable geologic conclusions or of misinterpretation of seismic data. Al-Chalabi, M., 1974, An analysis of stacking, RMS, average, and interval velocities...

1976

Abstract: Diabase Sill Intrusions in the Parnaiba Basin: Imaging Challenges, Velocity Modeling and Seismic Interpretation; #90255 (2017)

Diogo Michelon, Roberto Ribeiro, João Caldeira, Paulo Roberto Cunha, Frederico Miranda

Search and Discovery.com

... the velocities points from the processing; RMS velocity distribution and equalizing between wells' logs and seismic processing; consolidation...

2017

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... showing major physiographic features from Katz (1976). Bathymetric contour interval is 2,000 m. Light grey areas are shallower than 2,000 m; dark grey...

1985

Abstract: Active Subduction as the Driving Force Behind Recent Deformation and Long-Term Seismicity in the Gibraltar … Gulf of Cadiz Reg

M.-A. Gutscher, P. LeRoy, D. Graindorge, N. Babonneau1, N. Maad

Search and Discovery.com

... of 3-4 mm/yr, several stations in the RifBetic Alboran region show W to SW motion at velocities ranging from 1-2 to 5-6 mm/yr. The westernmost stations...

2008

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