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The AAPG/Datapages Combined Publications Database

Showing 16,669 Results. Searched 196,194 documents.

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Geophysical evidence for thrust faulting in the Carboniferous Antigonish-Mabou Subbasin, Nova Scotia

P. Durling, P. Harvey, K. Howells

Atlantic Geology

... mapped at the surface. Corre­ lation of seismic reflections with stratigraphic units identi­ fied in the wells are approximate, since velocity data...

1995

Seismic Imaging Improvements in the Bolivian Fold-and-Thrust Belt Through Psdm

A. Rocha, J. Subia

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., the tools available to refine velocities, such as grid tomography, horizon tomography and CRP gathers residual velocity analysis (even taking...

2006

Azimuthal Anisotropy „ A New Interactive Approach Leads to More Accurate Imaging

Graeme Eastwood

Petroleum Exploration Society of Australia (PESA)

.... The seismic data can then be corrected for these velocity changes, al lowing for optimum imaging during further processing. Background It has always been...

2012

Conventional Velocity Model Seems to Be the Best!

Hijreen Binti Ismail, M. Izham Kassim, Khairul Hamidi Khalid, Safitri Nurida, Wahyudin Bahri Nasifi, Hendra Iriansyah Darmawan, Rizki Krishna Pratama, M. Anuar Ismail, Noor Azmah Abdullah, Indah Edria Amorita

Indonesian Petroleum Association

... Muriah Ltd. The third model is a conventional method based on observed velocity changes in sonic data vertically. Whilst, TWT surfaces were used...

2011

Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica

S. V. Dadisman, H. F. Ryan, D. M. Mann

Circum Pacific Council Publications

... primary reflection events (Fig. 4 A ) . To overcome this problem, the velocity analysis was enhanced by first dip-filtering the CDP-gathered data using...

1987

Amplitude Versus Offset Gradient Modeling Over a Minnelusa Field

W.E. Johnson

Rocky Mountain Association of Geologists

... field is in an area of low velocity Opecheshales and the usual seismic data do not exhibit a porosity amplitude anomaly. Amplitude versus offset...

1988

New Developments in Acoustic Logging

J. Zemanek, D. M. Williams, R. L. Caldwell, C. L. Dennis, F. A. Angona

Indonesian Petroleum Association

.... When formation shear velocities are greater than the borehole fluid compressional velocity, the digitally recorded LSAL data are analyzed to extract...

1985

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

Dupigny, A. and Charles, D.

Geological Society of Trinidad & Tobago

... to restrict amplitude analysis to the same sand unit - this ensures that other factors affecting amplitudes (e.g. velocity, density, lithology...

1995

ABSTRACT: Nonlinear Earthquake Site Response Analysis of Layered Soil Deposits at Shakardarra and Muzaffarabad; #90120 (2011)

Mona Lisa and Sarfraz Khan

Search and Discovery.com

..., and the available geotechnical data. The analysis neglected other nonlinear and geometrical effects such as stiffness reduction due to pore pressure buildup...

2011

Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)

C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji

Search and Discovery.com

... sensor data analysis The acquired data are characterized by extreme lateral variations in the properties of coherent noise. Shots on the lake...

2013

Application of Zero Offset 2D CRS-Stack Method for Low Fold Data: Synthetic and Real Data Examples

R. Sule, A. Hendriyana, P. D. Anggraini, Fatkhan, Alfian, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... is tested and compared with the results obtained from conventional stack method. As has been already known, velocity analysis is a processing step that should...

2009

-- no title --

user

Search and Discovery.com

... on the image gathers, and complex horizon geometries, automated velocity-model-building tools fail to produce an optimum velocity model for TTI...

Unknown

-- no title --

user

Search and Discovery.com

... on the image gathers, and complex horizon geometries, automated velocity-model-building tools fail to produce an optimum velocity model for TTI...

Unknown

Abstract: 4D Seismic & Petroleum Geomechanics for Hydrocarbon Reservoirs; #90171 (2013)

Sunjay Sunjay

Search and Discovery.com

... in time over the life of the field. The analysis of time-lapse seismic data generally includes the following steps: 1) Estimate the types of velocity...

2013

Carbonate Reservoir Characterization Using the Cementation Factor: A Case Study of Little Cedar Creek Field, Onshore Alabama

Qifei Huang, Yuefeng Sun

GCAGS Journal

... core analysis data. There is no shear log information available from the wells. Therefore, shear wave velocity will be estimated as outlined...

2017

Success Factors for Effective Subsurface Imaging of Overthrust Belt Legacy Seismic Data

Walt Ritchie and Mihai Popovici

Search and Discovery.com

... changed industry’s perspective on subsurface imaging of seismic data in areas of complex geology. By defining an accurate interval velocity model and 3-D...

2009

Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)

Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

.... Milkereit, and M. H. Salisbury, eds., Hardrock seismic exploration: SEG, pp. 229–246. Alkhalifah, T., and I. Tsvankin, 1995, Velocity analysis...

2015

Abstract: Velocity Model Calibration Effects on Microseismic Locations; #90187 (2014)

J. Akram and D. W. Eaton

Search and Discovery.com

... of synthetic data for velocity models with different percentage of VTI in the shale layer. P and S-wave arrival time are picked (blue and red dots respectively...

2014

Abstract: 2D2C OBC Offshore Processing Experience in Kuwait; #90319 (2018)

Riyanto Kusumo, Agus Abdullah, Fatma Basha, Hanan Al-Hasan, Anwar Al-Kandari

Search and Discovery.com

... records, horizon keyed velocity analysis controlled by established velocity model from Boubiyan Dataset and well data, receiver gather interpolation from...

2018

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... in 3D. Figure 3 shows the result of beamform analysis surface velocity map results at frequencies 2.17 and 3.17 Hz (dispersion map). This map agrees...

2012

Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method

Xinwen Zhang, Jianping Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... instead of depth, thus eliminating the inherent ambiguity of analyzing vertical P-wave velocity from surface seismic data. Besides, Alkhalifah (2003...

2023

A Simple Universal Equation for Grain Settling Velocity

R.I. Ferguson, M. Church

Journal of Sedimentary Research (SEPM)

... for fall velocity over the entire size range, including the transitional region, and show that it agrees well with published and new experimental data...

2004

Investigating Depth Structure Uncertainty for Horizontal Well Placement, Bauer Field, Cooper-Eromanga Basin

Erin Shirley

Australian Petroleum Production & Exploration Association (APPEA) Journal

... in the Bauer Field. To further characterise these parasequences, core data was used to identify four facies types and expected permeabilities. Core...

2018

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