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The AAPG/Datapages Combined Publications Database

Showing 2,330 Results. Searched 200,626 documents.

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Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada

M. W. Lee, T. S. Collett, W. F. Agena

AAPG Special Volumes

... at each depth level, (2) source wavelet or downgoing wave deconvolution, (3) separating upgoing and downgoing wave in the wave number-frequency (FK) domain...

2009

Acoustic nonlinear full-waveform inversion on an outcrop-based detailed geological and petrophysical model (Book Cliffs, Utah)

Daria Tetyukhina, Stefan M. Luthi, Dries Gisolf

AAPG Bulletin

... of the model parameters, with the calculation incorporating all internal multiple reflections and transmission effects. The wavelet used is a zero...

2014

Time-Lapse Monitoring of CO2 Sequestration: 1D Visco-elastic Waveform Inversion Applied to Distributed Acoustic Sensing-Acquired Zero offset Vertical Seismic Profile … a Feasibility Study

Yu Chen, Takashi Mizuno, Joël Le Calvez

Carbon Capture, Utilization and Storage (CCUS)

... survey geometry while the velocity model is 1D. It computes the rays between the two points and convolves with a specific source wavelet input. We...

2025

Elastic reverse-time migration without wavefield decomposition

Daiguang Li, Shengchang Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... S −   (  b  b2  uS ) 1984) on a staggered grid in corresponding model with a homogeneous density(ρ = 2000kg/m3) and the source wavelet set...

2022

Enhancement of the Three-Dimensional Seismic Method through the use of Well Control and Seismic-Modeling Techniques in the Resolution of Fourth-Order Depositional Sequences within the Grayburg Reservoir, Foster Field, Ector County, Texas - Part I

W. Hoxie Smith, James J. Reeves

West Texas Geological Society

..., making acoustic differences in lithology of secondary importance. Conclusions from the modeling are: 3-D seismic data need to be wavelet processed...

2001

AVO and Impedance Response of Perdices Miocene Sands, Lower Magdalena Valley Basin.

Oscar Moreno, Loz Darmon, Fernando Cerda, Anubrati Mukherjee

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... equation. The synthetic responses for the two sand units were computed using a statistically derived wavelet. Synthetics at different frequencies...

2008

Reservoir characterization using multi-seed stochastic inversion

Vincent Thomas, Nicolas Desgoutte, Nathalie Lucet

International Meeting for Applied Geoscience and Energy (IMAGE)

... approximation, and (2) convolving them by the estimated wavelet for the considered seismic angle stack. • Each seismic trace from the Ns synthetic...

2022

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

Erin Shirley

Australian Petroleum Production & Exploration Association (APPEA) Journal

... in thickness and below seismic resolution with the wavelet being dominated by the larger acoustic impedance contrast produced from the Namur Sandstone...

2018

Facies-induced bias in machine learning-enhanced seismic lithology (inversion)

Hongliu Zeng, Bo Zhang, Mariana Olariu

International Meeting for Applied Geoscience and Energy (IMAGE)

... this process could not remove thin-bed tuning and wavelet effects, and significant seismic-interferences remain in geomorphology patterns on stratal...

2022

Quantitative evaluation of vibroseis excitation signal based on signal-noise separation

Fei Luo, Yang Zhu, Tie Wei, Guowei Wei, Lianbin Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... spectrum and correlation wavelet (see Fig. 1). The first two parameters mainly express the difference between the real output and the expected output...

2022

Finding the reservoir in an intensely scattered wavefield: A case study from the Central Sichuan Basin, China

John Coffin, Mengmeng Zhang, Panos Doulgeris, Peter Haffinger, Angie Kelsay, Jinsong Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... flat primary reflections that are less representative of the character of the measured field seismic. The deterministic wavelet derived for each...

2022

A stable TTI acoustic wave equation

Linbin Zhang, Edose Ohen

International Meeting for Applied Geoscience and Energy (IMAGE)

... TTI model. The vertical velocity is 3000m/s, 𝜀=0.24, 𝛿=0.1 and tilted angle is 45 degrees. The source wavelet is a Ricker wavelet with a Second...

2022

Seismic Activity in the Central Gulf Coast Basin

Eugene R. Brumbaugh

New Orleans Geological Society

... between those using a Spiking (minimum phase) or Wavelet (zero phase) deconvolution. Experience with these processes indicates that they are both...

1991

Assessing properties of internal multiples for different geologies

Paul Ras, Mikhail Davydenko, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... synthetic by convolution with a wavelet. The build-up of the internal multiple interference pattern is simulated in a top-down (layer adding) fashion, see...

2022

Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra

Soman Chacko

Indonesian Petroleum Association

... kilometers southwest of Palembang (Figure 7). Figure 8 shows seismic line 679-81 over the field. The seismic wavelet in this data is minimum phase...

1986

Full-elastic AVA extraction using acoustic FWI

Michael Warner, John Armitage, Adrian Umpleby, Nikhil Shah, Henry Debens, Fabio Mancini

International Meeting for Applied Geoscience and Energy (IMAGE)

... – anelasticity, geometric spreading, anisotropy, acquisition directivity, surface ghosts, and wavelet stretch, for example. FWI-based workflows...

2022

Low-frequency data reconstruction for full-waveform inversion

Ramzi Djebbi, Maiza Bekara, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... km and using the Marmousi II velocity model. The source wavelet is a Ricker wavelet with 16 Hz peak frequency. Figure 1-a shows the modelled data...

2022

A method of relative impedance holography-inversion based on reflection coefficient inversion

Jiangfeng Zheng, Jialin Sun, Zongyu Zhen, Shaoxuan Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...) 𝑤 Where r(t, f) is the time-frequency spectrum of r(t), 𝑡 𝑤 is half-length of the time window. Assuming a convolutional seismogram and known wavelet...

2022

Finite Difference Modeling: Part I: Become Expert in Five Minutes

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... hat wavelet: where fM is the peak frequency of the signal, and t 0 is time where the zero-phase Mexican hat has its maximum amplitude. Parameters are c0...

2018

A case study using FWI to image pre-Messinian target in the East Mediterranean Sea

Jyoti Kumar, Marcus Bell, Tamer Darwish, Mai Ahmed, Mahmoud Ahmed, Moataz Ahmed

International Meeting for Applied Geoscience and Energy (IMAGE)

... parameters. To further improve the accuracy in the post-salt section, several raybased wavelet-shift (Sherwood et al., 2011) gridded tomography passes...

2022

Filling in the Blanks

Paul Sandvik, Ed Hager, Muhammad Adnan, Daniel Sturko, Polarcus

GEO ExPro Magazine

... subtraction has not just a simpler wavelet to deal 68 GEOExPro December 2019 Polarcus / Dubai Petroleum Hybrid Thinking Providing fast, high...

2019

Forward Modeling to Improve Seismic Acquisition Design

Paula A.C. Barbosa, Jose A. Jaramillo, Jose H. Olaya

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... Francisco-Monserrate interface higher than the Villeta-Caballos interface; and b) the wavelet amplitude decreases as a result of wavelet propagation...

2006

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

... wavelet with a peak frequency of 80 Hz is used as the source function. We capture the pressure wavefield snapshot before the wavefront impinges...

2023

Application of Common Contour Binning (CCB) and Back Propagation Neural Network (BPNN) for Oil Water Contact Prediction in Carbonate Reservoir (The Case Study at G404 Field)

Wahyu Tri Sutrisno, Septian Prahastudhi, Ayi Syaeful Bahri, Yulia Putri Wulandari

Indonesian Petroleum Association

... response was then computed using a 20Hz Ricker wavelet (wavelet derived from the well seismic tie process). We used a density for water saturated carbonate...

2013

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)

... × 151 cells with a sampling interval of 10 meters in X, Y and depth directions. The source signature is a Ricker wavelet with a dominant frequency...

2023

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