A 3D immersed boundary method for acoustic wavefield simulation with irregular surface topography

Xiang Li, Ziduo Hu, Yancan Tian, Wei Liu, Zhonghua Xu, Gang Yao

International Meeting for Applied Geoscience and Energy (IMAGE)

... function for injecting the point source 𝑠 𝑡 at the source location 𝐱 . The second-order wave equation could be solved using the finite difference method...

Seismic Processing Applications on a Personal Computer

Geophysical Service (Malaysia) Sdn. Bhd.

Geological Society of Malaysia (GSM)

... now be performed on a PC workstation include refraction modelling, vertical seismic profiling (VSP) and velocity modelling for CDP stacking. Before we...

Increasing Wells Lifetime by Using PAR VALVE to Overcome Sand Settling Problems at Pertamina EP Asset 1 Field Jambi

Adnan Syahrul Ramadhan, Edwar, Alip Triwanto

Indonesian Petroleum Association

... diameter and settling velocity as seen in Figure 4. From the formation strength analysis and sieve analysis, the wells in the East Ketaling structure...

Laboratory Study of the Distribution of Grain Sizes in Cross Bedded Deposits

Alan V. Jopling

Special Publications of SEPM

... that the velocity and sediment concentration are known for the upstream flow regime This estimate is based upon an analysis of the relative propor tions...

Abstract: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)

Peter Cary and Changjun Zhang

Search and Discovery.com

... roll suppression using the Karhunen-Loeve transform, Geophysics, 64, 564-566. Vidale, T., 1986, Complex polarization analysis of particle motion...

Abstract: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)

Peter Cary and Changjun Zhang

Search and Discovery.com

... roll suppression using the Karhunen-Loeve transform, Geophysics, 64, 564-566. Vidale, T., 1986, Complex polarization analysis of particle motion...

Calcic Paleosols: Their Use in Subsurface Stratigraphy

Debra L. Hanneman , Charles J. Wideman , J. W. Halvorson

AAPG Bulletin

... of interest using the three-mineral analysis procedure outlined by Gardner and Dumanoir (1980). This calculation gives an estimate of the bulk volume...

The Evaluation of an Oil Discovery: How to Locate the Second, Third and Fourth Wells

Parke A. Dickey

Southeast Asia Petroleum Exploration Society (SEAPEX)

... velocity). From the acoustic impedance log a log of reflection coefficients (Figure 7) can be derived using the following equation: Figure 7. Conversion...

VSP Data in COmparison to toher Borehole Seismic Data, by Robert J. Brewer #40059

Search and Discovery.com

Spatiotemporal Variations and Kinematics of Shale Mobility in the Krishna-Godavari Basin, India

Mainak Choudhuri, Debajyoti Guha, Arindam Dutta, Sudipta Sinha, Neeraj Sinha

AAPG Special Volumes

...-shale sequence, south Caspian Sea: AAPG Bulletin, v. 72, no. 4, p. 416424.Chopra, S., 2006, Velocity determination for pore-pressure prediction...

Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)

Changsoo Shin and Wansoo Ha

Search and Discovery.com

... explained why Laplace-domain inversion yields a smooth velocity model using synthetic examples. They found that the residuals in a Laplace-domain...

Challenges in Mapping Seismically Invisible Red Fork Channels, Anadarko Basin, Oklahoma

Rachel Barber, Kurt Marfurt

Oklahoma City Geological Society

... as the acoustic impedances of the layers and the boundary reflection coefficients (Tables 1 and 2). Table 1. P-wave velocity, S-wave velocity, bulk density...

Determination of Fluid Entry in Eocene Producers of Upper Assam Basin with the Help of New and Advanced Production Logging Tool, #40874 (2012)

Polash Gogoi, B. Saha

Search and Discovery.com

.... Using CFB, spinner rates are directly related to fluid mixture velocity using calibrated spinner pitch, having high efficiency and low threshold...

Laboratory Experiment on Flow Characteristics at a Beach Step

Magnus Larson , Tsuguo Sunamura

Journal of Sedimentary Research (SEPM)

... turbulent water, is common at the seaward edge of the beach face (Fig. 1). Synonyms are break-point step (Greenwood and Davidson-Arnott 1972; King 1972, p...

Abstract: Deghost + Denoise + Demultiple + Velocity & Q Inversion + Depropagate = Seismic Imaging (Geophysics Paper 17)

Mehmet Ferruh Akalin

Geological Society of Malaysia (GSM)

...Abstract: Deghost + Denoise + Demultiple + Velocity & Q Inversion + Depropagate = Seismic Imaging (Geophysics Paper 17) Mehmet Ferruh Akalin...

New Bering Sea Basin Observations Imply that Ascending Thermogenic Methane Pools in Large Sub-BSR Accumulations and Contributes Regionally to Deposits of Near-Surface Methane Hydrate; #80295 (2013)

David W. Scholl, Warren T. Wood, Ginger A. Barth, and Jonathan J. Childs

Search and Discovery.com

... a long-offset (8 km) MCS cable, acquired reflection profiles that for the first time recorded subsurface velocity data. The new observations document...

Advanced Microseismic Monitoring Methods, (2012)

R. J. Mellors, C. Morency, E. Matzel, D. C. Templeton, J. Wang, S. Myers, S. Ford, D. B. Harris, F. Ryerson

Search and Discovery.com

... to artifacts caused by sensor geometry and other sources of error. The velocity model is estimated using all available data and refined using Green...

Depositional Processes and Fluid Mechanics of Upper Jurassic Conglomerate Accumulations, British North Sea

L. G. Kessler II, Kit Moorhouse

CSPG Special Publications

... boulders of a particular size at the top of or within a given flow) and rigid plug flow velocity (using the methods of Johnson, 1970). In addition...

A New Approach in Determining Coal Geometry and Gas Content by Using 2D Seismic and Well Logs. Case Study: Central Sumatra Basin

Asep Ginanjar, Azarico Putra, Rizaldi Oki

Indonesian Petroleum Association

... was estimated using the Kim Formula, which is calculated using laboratory proximate analysis data from outcrop samples, and also compared to coal properties...

Using Second-Order Adjoint State Methods in GPUS to Quantify Resolution on Full Waveform Inversions, #42034 (2017).

Sergio Abreo, Ana Ramirez, Oscar Mauricio Reyes Torres

Search and Discovery.com

...Using Second-Order Adjoint State Methods in GPUS to Quantify Resolution on Full Waveform Inversions, #42034 (2017). Sergio Abreo, Ana Ramirez, Oscar...

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Waite Creek Thrust Nappe--Western Ngalia Basin, Central Australia

A. T. Wells and F. J. Moss

AAPG Special Volumes

... the expanded spread with additional information obtained from the velocity analysis of common-depth-point (CDP) reflection data from the locations. He derived...

Analysis of global navigation satellite system data along the Southern Gas Corridor and estimate of the expected displacements

Giuliana Rossi, Riccardo Caputo, David Zuliani, Paolo Fabris, Massimiliano Maggini, and Panagiotis Karvelis

Environmental Geosciences (DEG)

..., is recorded at the 10th interpolation point, in Albania, Berat district, near the city of Poliçan, with a velocity value of 0.6 mm/yr (0.02 in./yr), implying...

Abstract: Adaptive Surface Waves Attenuation from Wide-Azimuth Land Data, by David Le Meur, Nigel Benjamin, Teo Wah hong, Tom Van Dijk, and Paul Matheny; #90105 (2010)

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ABSTRACT: Effects of Grain Size and Sediment Concentration on Turbulence and Sediment Transport Dynamics in Unsteady Turbidity Currents, by Tilston, Mike; Arnott, Bill Arnott ; Rennie, Colin; #90142 (2012)

Search and Discovery.com

ABSTRACT Determining How Much Topographic Complexity Must Be Incorporated into Models for Depositional Turbidity Currents Filling Sinuous Submarine Channels and Constructing Channel Levees, #90104 (2010)

Peyret Aymeric-Pierre B.; Mohrig David; Lamb Michael; McElroy

Search and Discovery.com

.... These predictions are often made using a numerical model that couples sediment transport and  deposition to the flow field of a representative...