Abstract: When Thin Is In … Relative Acoustic Impedance Helps; #90171 (2013)

Satinder Chopra, John P. Castagna, and Yong Xu

Search and Discovery.com

... Arcis Corporation, Calgary Summary Spectral inversion produces sparse reflectivity estimates that resolve thin layers below the tuning thickness...

P-P and P-SV Seismic Wave Modes at Salt Boundaries, by Bob Hardage, Diana Sava, Michael DeAngelo, and Randy Remington, #40237 (2007).

Search and Discovery.com

Integration of 4D Seismic Data and the Dynamic Reservoir Model - Revealing New Targets in Gannet C, #20303 (2015).

Rob Staples, Andrew Cook, John Braisby, Alison Mabillard

Search and Discovery.com

... between the original and the producing contact, some interpretation was also performed on reflectivity difference data, with the producing oil-water...

Direct probabilistic inversion for facies with different elastic depth trends

Ask Jakobsen

International Meeting for Applied Geoscience and Energy (IMAGE)

... manifest itself as facies with apparent larger elastic variabilities as the depth dependence is masked in a cross plot of for example Vp/Vs versus AI color...

Poststack fracture prediction technique based on phase decomposition

Li Hai Liang, Pan Hui, Gao Jian Hu, Gui Jin Yong

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Development Introduction The amplitude versus azimuth (AVAZ) method based on the variation of amplitude with azimuth has shown good predictive performance...

AVA attribute estimation from misaligned seismic gathers using U-Net

Ammar Ghanim, Ricard Durall, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

... gathers is a crucial part of seismic processing workflows prior to amplitude versus angle (AVA) interpretation. Reliable AVA analysis can only...

Predicting Pore-Pressure From On-shore Seismic Data in the Delaware Basin

Marianne Rauch-Davies, Bob Schmicker, Steve W. Smith, Sam Green, Jeremy J. Meyer

Unconventional Resources Technology Conference (URTEC)

... reflectivity and not biased by any interpolation assumptions. Secondly, the inversion approach was calibrated using a set of facies-dependent elastic...

Memory-efficient frequency-domain least-squares RTM using low-rank Greens functions via randomized SVD

Daniel E. Revelo, Reynam C. Pestana, Diego F. Barrera, Rodrigo S. Santos

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflectivity model, provided that Green’s function can be stored in memory. The Green’s functions employed to compute the gradient and Born-modeled...

Unconventional shale-gas systems: The Mississippian Barnett Shale of north-central Texas as one model for thermogenic shale-gas assessment

Daniel M. Jarvie, Ronald J. Hill, Tim E. Ruble, Richard M. Pollastro

AAPG Bulletin

..., no. 3, p. 308321.Loucks, R. G., and S. C. Ruppel, 2007, Mississippian Barnett Shale: Lithofacies and depositional setting of a deep-water shale-gas...

Ground-Penetrating-Radar Characterization and Porosity Evolution of An Upper Pleistocene Oolite-Capped Depositional Cycle, Red Bays, Northwest Andros Island, Great Bahama Bank

Colby S. Hazard,, Scott M. Ritter, John H. McBride, David G. Tingey, R. William Keach, II

Journal of Sedimentary Research (SEPM)

.... Grasmueck, M., Marchesini, P., Eberli, G.P., Zeller, M., and Van Dam, R.L., 2010, 4D GPR tracking of water infiltration in fractured high-porosity limestone...

Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana

V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin

GCAGS Transactions

... at frequencies near or below the noise threshold of the data. The periodicity of layer reflectivity within the input spectrum enables prediction of its behavior...

Tool Descriptions

Richard H. Merkel

AAPG Special Volumes

... the pore volume is filled with gas, the attenuation (or slowing) of the neutrons is going to be less than it will be for the water and oil saturation...

Exploring a 19th Century Basin in the 21st Century: Seeing the North Sumatra Basin with New Eyes; #10464 (2013)

Lawrence D. Meckel, III

Search and Discovery.com

.... These wells, drilled in shallow water in the 1970s, resulted in minimal new reserves additions (again mostly gas). In the past 30 years, less than 0.5 BBOE...

Abstract: Reservoir Architecture and Connectivity of a Levee-Confined Deep-Water Complex, Upper Miocene, Offshore Angola, by S. M. Mitchell and V. Abreu; #90090 (2009).

Search and Discovery.com

Interpretation and De-Risking of Ultra-Deep Water Prospects in the SEAL Basin, Brazil, Using a Cognitive Interpretation Approach and High Integrity AVO Information

Search and Discovery.com

An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia

Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith

Indonesian Petroleum Association

... Dependent Reflectivity - Theory and Practice of AVO Analysis, Society of Exploration Geophysicists, Investigations in Geophysics Series, Vol. 8, 3-36...

Abstract: Mapping Lithological Heterogeneity in Athabasca Oil Sand Reservoirs Using Surface Seismic Data: Case History; #90171 (2013)

Yong Xu and Satinder Chopra

Search and Discovery.com

... the formation and weak correlation between seismic (P impedance or reflectivity) and lithology, “normal” attempts at geologic interpretation usually prove...

Extended Abstract: Shallow Hazard and Gas Escape Systems Modelling from 3D Seismic Data

Tom Wooltorton

GCAGS Transactions

... elements of the system in place to analyze each part in turn (Fig. 1). Individual reflectivity inline/crossline displays show the presence...

Zebra Prospect – Reading Between the Stripes

Brenton Oke, Jon Keall, Paul Carroll, Ron Noble, Tom Setzer

Indonesian Petroleum Association

... to the amplitude anomalies. Unfortunately the gas zones are thin with low hydrocarbon saturation and are uneconomic to develop. Pre-drill models...

Joint 4D full-waveform inversion using enhanced template-matching objective function

Gaurav Dutta, Emmanuel Saragoussi, Xin Cheng, Markos Sourial, Yongbo Zhai, Chirag Parekh, Denes Vigh

International Meeting for Applied Geoscience and Energy (IMAGE)

... models and FWI-derived pseudo-reflectivity images (FDRs) to obtain interpretable images of the subsurface. However, FWI is not often used to directly...

Shale Resource Systems for Oil and Gas: Part 2Shale-oil Resource Systems

Daniel M. Jarvie

AAPG Special Volumes

... TOC. When oil crossover occurs, potentially producible oil is indicated, although no assessment of oil flow rates or oil versus water saturation...

Extended Abstract: The Permian Play Ground: Unlocking the Potential of the Tinowon Sandstone

Barry Smith

Petroleum Exploration Society of Australia (PESA)

... is the real-time indication of formation fluids. Underbalanced drilling with nitrogen is sensitive to excessive water flow and highly unconsolidated formations...

Seismic Reservoir Characterisation of a Channel Sand Oil and Gas Field, Malaysia (Paper A11)

T. J. Focht, M. Sams, D. Brookes, J. Ting

Geological Society of Malaysia (GSM)

... percent. Petrophysical analysis of all the wells in the field indicates that the reservoir shares common gas-oil and oil-water contacts. Rock physics...

Well Log Data Conditioning Using a Rock Physics Modeling Approach: Examples From the Banyu Urip Field, Cepu KKS, East Java Basin

Shiyu Xu, Soman Chacko

Indonesian Petroleum Association

... be calculated from water salinity, oil gravity, GOR, specific gas gravity, and water saturation curve using a method given by Batzle and Wang (1992...

Shushufindi Field: Ecuadors Giant Revisited

J.Forney, H.San Martin, P.Enwere, J.Vega, P.Acuna, J.Ochoa

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... facies using the core data. Permeability curves were generated for every well. Cutoffs for Vshale, porosity and water saturation were chosen...