Extended Abstract: Multiple Attenuation Research

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... data with such techniques as seismic trace attributes and AVO analysis, true amplitude becomes a significant issue. Most will recognise that any...

Extended Abstract: Recent Advances in Pore Pressure Prediction in Complex Geologic Environments

Alan R. Huffman

GCAGS Transactions

... methods such as amplitude variations with offset (AVO)-based phase mismatch algorithms, tomography, and prestack inversion. These technologies allow...

A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition

Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion problems of the high-resolution Radon transform. Therefore, the resolution and AVO (amplitude versus offset) characteristics of common radon...

Did You Know That Rocks Have Memory?

Åsmund Drottning, Per Avseth, Tore Nordtømme Hansen, DIG Science

GEO ExPro Magazine

..., misleading, and sometimes wrong conclusions from the seismic amplitude data analysis. Here we outline a workflow for consistent integration of the burial...

Shale Gas Sweet Spot Identification using Quantitative Seismic Interpretation (QSI) and Neural Network in Krishna-Godavari Basin, India

Soumen Deshmukh, Shrey Omer, P. S. Tomor, Harilal

Unconventional Resources Technology Conference (URTEC)

... (>40%) and high maturity (VRo ≈ 1.1 – 1.3) in a thermogenic window. AVO modeling (based on synthetic data) and AVO analysis (based on field data) have...

4D Seismic and Rock Physics Modeling Responses to Reservoir Steam Flood

Muhammad Edisar, Lilik Hendrajaya, Gunawan Handayani, Umar Fauzi, Laode Ngkoimani, Yarmanto

Indonesian Petroleum Association

.... The mechanics of these elastic fluid signatures at low seismic frequencies are described by the well-known Gassmann (1951) relations. AVO analysis, which uses...

Woodbine Formation Sandstone Reservoir Prediction and Variability, Polk and Tyler Counties, Texas

Robert J. Bunge

GCAGS Transactions

... was conducted in conjunction with Santos’ joint venture partners and Jason Geophysical on an elastic impedance volume. On amplitude versus offset (AVO) cross...

Woodbine Formation Sandstone Reservoir Prediction and Variability, Polk and Tyler Counties, Texas; #10331 (2011)

Robert J. Bunge

Search and Discovery.com

... geophysical work, including elastic inversion and an amplitude versus offset (AVO) study, was conducted to detect reservoir sands, to no avail. Reservoir...

From Hazard to Full Scale Development: Seismic Interpretation Method to Unlock Shallow Gas Potentials in Tunu Field, Mahakam

Ruth Cristiani Basa, Didiek Prabowo, Debrina Sugiharto, Rangga Brahmantio

Indonesian Petroleum Association

... Proceedings, 2017 in amplitude versus angle due to different Poisson’s Ratio values; with high angle of reflection (beyond 45°) gas sand becomes...

Abstract: Pseudo-elastic Wave Equation and its Application in Modeling and Waveform Inversion; #91204 (2023)

Bingbing Sun, Tariq Alkhalifah, Ali Abdulmohsen, Nasher AlBinHassan

Search and Discovery.com

..., it produces reflections with the same amplitude variation with offset (AVO) as the PP reflections in an elastic medium, regardless of how large the contract...

ABSTRACT: Modeling Seismic Signature of Small Faults from Outcrop Analogues; #90013 (2003)

JUAN FLOREZ, GARY MAVKO

Search and Discovery.com

... to bedding strike, which show the variability of fracture frequency associated to fault offset (Fig. 1). Fracture spacing within the fault damage zone...

Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek

Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason

International Meeting for Applied Geoscience and Energy (IMAGE)

.../ultrafar angle stacks for Amplitude Variation with Offset/Direct Hydrocarbon Indicator (AVO/DHI) analysis. Integrated petrophysical inversion using...

Rock Physics Modeling in Unconventionals: A Midland Basin Case Study

Paritosh Bhatnagar, Venkatesh Anantharamu, Ron Bianco

Unconventional Resources Technology Conference (URTEC)

... subsurface workflows effectively such as amplitude versus offset (AVO) modelling, sensitivity analysis, seismic inversion feasibility and reservoir...

ABSTRACT: Vertically Clustered Amplitude Anomalies: Evidence for Vertical Gas Migration in Heterogeneous Sequences, by Foschi, Martino; Cartwright, Joseph A.; Peel, Frank J.; #90155 (2012)

Search and Discovery.com

“The Explosion in Marine Seismic Technology – How to Choose the Right Tool”

William S. French, Svein Vaage

Southeast Asia Petroleum Exploration Society (SEAPEX)

... offsets in the range of from about 300m to about 3600m. There are cases where much longer offset ranges are needed, such as AVO analysis of reservoirs...

ABSTRACT: Time vs Depth Imaging: Improving Seismic-well Correlation and AVO Modeling for a Heterogeneous Shallow Marine Reservoir: Example from Krishna-Godavari Basin; #90118 (2011)

Tandra Roy, Pavel Vasilyev, Dhananjay Tiwari, Bijay K. Behera, and D. Srinivas

Search and Discovery.com

... imaging of energy and the amplitude vs offset relationship was better defined. However the ‘hockey-stick’ effects in the depth domain gathers and well...

3D Reservoir Characterization in the Grand Rapids Oil Sands; #40678 (2010)

Laurie Weston Bellman and Marnie E. Connelly

Search and Discovery.com

... involves the use of AVO (amplitude vs offset) analysis to separate the compressional (P-wave) and shear (S-wave) components of the seismic data...

De-Risking a Gas Development Using Geophysical Methods; #41086 (2012)

Alessandro Mannini, Phil Rawstron, Shin Ni Chai, and Andrew Spedding

Search and Discovery.com

... with the objectives of improving signal-to-noise, removing multiples and generating near/far-trace data for AVO analysis. A further reprocessing campaign...

Geologic Controls on Seismic Amplitudes

Jarrod Dunne

Petroleum Exploration Society of Australia (PESA)

... By Jarrod Dunne, MEO Australia Introduction 5 eismic amplitudes (and AvO) can be used to de-risk an exploration prospect, to characterise a reservoir...

South Falkland Basin: Darwinian Evolution

Bruce Farrer, Chris Rudling

GEO ExPro Magazine

... shelf. Subsequent pre-stack work demonstrated amplitude behaviour consistent with the presence of a class 3 AVO anomaly on the Darwin prospect...

Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)

Emil Blias

Search and Discovery.com

.... A velocity model, beyond its initial purpose to obtain a seismic stack, is used for time and depth imaging, AVO analysis and inversion, pore pressure...

Large-Scale Seismic Acquisition in Congested, Shallow Water Areas: Observations from Modern OBN Data in the Gulf of Mexico

John Smythe, Henrik Roende, Brad Torry, Richard Griffin

GCAGS Transactions

... with offset [AVO] and elastic inversion), azimuthal velocity analysis that impact both structural imaging and direct detection of geologic parameters...

Complimentary Role of Seismic and Well Data in Identifying Upper Talang Akar Stratigraphic Sequences — Widuri Field Area, Asri Basin

John Armon, Bill Harmony, Steve Smith, Budiyento Thomas, Romina Himawan, Budi Harman, Pujiyanto Lukito, Lee Gilmore, Ichsan Syarkawi

Indonesian Petroleum Association

... thickness and seismic amplitude, with subsequent risking of the probability of encountering sands within amplitudes. Amplitude Versus Offset (AVO...

Mapping of Fracture Zones and Small Faults Using VSP and Cross Dipole Sonic in Eastern Siberia Carbonate Reservoirs, Yurubchansky Field, Russia

Sergey Shevchenko, Sergei Tcherkashnev, Maxim Kuznetsov, Tagir Mamleef

Petroleum Exploration Society of Australia (PESA)

... amplitude processing workflow was applied to zero offset VSP and walkaway VSP-P and VSP-S using a calibrated anisotropic model (Leaney, et al., 2003...

Abstract: AI-Driven Seismic Reservoir Characterization; #91210 (2025)

Hesham Moubarak

Search and Discovery.com

... Cross plots of N-D showing facies and rock typing. Figure 21 AVO Analysis showing section views and maps of intercept and gradient for Middle Marrat...