Identification of Distribution Sandstone Reservoir Zone and Hydrocarbon Fluid Using Extended Elastic Impedance (EEI) in Talang Akar Formation at Azzura Field, North West Java Basin

Annisa Dian Afsary, Adi Susilo, Bayu Dwijatmiko, Agung Dwi Alfianto

Indonesian Petroleum Association

... of the Elastic Impedance parameter with a more varied angle, which is -90° – +90° with equation by Whitecomb et al. (2002): Where, , α = wave velocity P...

Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).

Samuel Gray

Search and Discovery.com

... ([email protected]) Abstract Migrated common-image-gathers (CIG’s) are of central importance to prestack depth migration. They allow seismic velocity estimation...

Numerical modeling of PP and PS reflections in DAS VSP

Joseph J. Cherayil, James L. Simmons

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In Equation 2, the strain rate can be calculated using the gauge length and differences in the particle velocity between points on the DAS fiber, where ε...

ABSTRACT: Ray Tracing in Two-Dimensional Inhomogeneous Media, by Y. Xu and John A. McDonald; #91035 (2010)

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Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array

Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk

Unconventional Resources Technology Conference (URTEC)

... channels towards the heel from the stage port for all 78 stages. This enables a coordinate transformation from measured depth along the well to ray path...

Advances in Micromodeling using Resistivity Borehole Images

John G. Manchuk, David L. Garner, Clayton V. Deutsch

CSPG Bulletin

... is represented as Cij, i = 1, ...,M, j = 1, ...,N, where N is the number of samples along depth. All variables in Equation (5) can be assigned the same indexes...

ADMM-based full-waveform inversion of ground-penetrating radar data

A. Jalali, H. S. Aghamiry, A. Gholami

International Meeting for Applied Geoscience and Energy (IMAGE)

... we seek the subsurface parameters that best explain the recorded waveforms. As a partial differential equation (PDE), constrained, non-linear...

Effects of near Surface Lithology on Velocity Modelling and Time„Depth Relationships in the Cooper„Eromanga„Lake Eyre Basin

Anna Manka, Glen Buick, Rob Menpes, Luke Gardiner, Cameron Jones, Khalid Amrouch

Australian Petroleum Production & Exploration Association (APPEA) Journal

... ray logs through casing is recommended as a means to improve depth prediction through tying statics corrections and velocity models to observed...

Pre

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Fracture characterization at multiple scales using borehole images, sonic logs, and walkaround vertical seismic profile

Romain Prioul, Jeroen Jocker

AAPG Bulletin

... noncompliant fractures. The Kachanov-Sayers-Schoenberg model (equation 1) is a linear model that considers the sum of all fracture contributions. We...

Organic Carbon in Bakken Formation, United States Portion of Williston Basin

James W. Schmoker , Timothy C. Hester

AAPG Bulletin

... Formation as well as typical depth and thickness ranges. The upper and lower shale members are identified by their high gamma-ray intensity and high...

Volumetric Calculations Using 3D Seismic Calibrated Against Porosity Logs - Pretty Hill Formation Reservoirs, Onshore Otway Basin

P. J. Boult, J. Donley

Petroleum Exploration Society of Australia (PESA)

... moving from the time domain to the depth domain using an equivalent interval depth (EID) conversion, which is calculated from the interval velocity...

Abstract: Enhancement of Static Correction by Turning-Ray Tomography, by Djarfour Noureddine and Mender Mourad; #90077 (2008)

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Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)

Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac

Search and Discovery.com

... plot and therefore improve the resolution of velocity analysis over conventional common midpoint gathers. Introduction Migration is one of the most...

Distinguishing Water Saturation Changes from Porosity or Clay Content Changes Using Multicomponent Seismic Data

Fuping Zhu, Richard L. Gibson, Jr., Joel S. Watkins, Sung H. Yuh

GCAGS Transactions

..., 1980). Sand Vp, Vs, and density variations as functions of water saturation are computed using Gassmann's equation (Wang and Nur, 1992). Sand velocity...

Coalbed Methane Applications of Wireline Logs: Chapter 13

Patrick L. Scholes, Dave Johnston

AAPG Special Volumes

... in depth track) the gamma ray response is low, the resistivity response is high, the density porosity response is high, and the neutron density response...

Enhanced Reservoir Characterization Using Hyperspectral Core Logging

Ralf R. Haese, Grant Jiang, Scott Ooi, Jay R. Black

Journal of Sedimentary Research (SEPM)

... in Core 1 has a higher gamma-ray activity than in Core 3, as illustrated by a higher slope in the linear correlation (Core 1: slope = 869.7, Core 3...

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

...Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays Michael J. Perz, William Keller, Victor Kriechbaum URTeC...

2D Seismic Refraction Tomography Survey on Metasediment at a Proposed Development Site in Dengkil, Selangor

Umar Hamzah, Abd Rahim Samsudin

Geological Society of Malaysia (GSM)

... survey, some of the 20 velocity model cross sections show P-wave velocity values range from 3500 to 4000mls at a depth of more than 15m. This high...

Unconventional Gas Mining: Insights from Pore to Mine Scale Simulations

Huilin Xing, Jinfang Gao, Geoff Wang, Hans Muhlhaus

Petroleum Exploration Society of Australia (PESA)

... the conventional LBM (CLBM) algorithm for simulating the microscale processes based on a micro-structural high resolution X-ray/CT/MRI/ SEM...

Dissolution of Salt and Perturbation of Subsurface Temperatures by Salinity-Driven Free Convection at the Bay Marchand Field, Offshore Louisiana

Jeffrey S. Hanor, R. Stephanie Bruno

GCAGS Transactions

... of this outlier from well 1366-21 there are reasonable linear trends in temperature with depth for each dataset. The temperature gradient in western B–B...

SG14: The COCORP Seismic Reflection Traverse Across the Southern Appalachians - Data Acquisition and Processing

Frederick A. Cook, Larry D. Brown, Sidney Kaufman, and Jack E. Oliver

AAPG Special Volumes

... the significant field parameters for both phases of the data acquisition. On all of the lines, the geophones were arranged in a center-weighted linear array...

Pore-scale electrical numerical simulation and new saturation model of fractured tight sandstone

Qian Wang, Maojin Tan, Chengwen Xiao, Siyu Wang, Chuang Han, and Lingtan Zhang

AAPG Bulletin

.... The crossplot between cementation exponent (m) and fracture dip (α) is shown in Figure 8F. A linear equation is found between them: Figure 8...

Physical properties of Cenozoic mudstones from the northern North Sea: Impact of clay mineralogy on compaction trends

Oyvind Marcussen, Brit I. Thyberg, Christer Peltonen, Jens Jahren, Knut Bjorlykke, Jan Inge Faleide

AAPG Bulletin

... interval.Figure 7. (a) Velocity vs. depth for wells 24/6-1 and 26/4-1. (b) Bulk smectite content from x-ray diffraction analysis of the same wells (data from...

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

... be adapted to variable velocity overburden using raytracing. The 2D integration of equation (1) must be carried out over the entire computational grid...