Core Data Integration/ Validation of Sonic Derived Anisotropic Mechanical Properties to Expedite Well Decisions in Unconventional Reservoirs

Edgar Velez, Kevin Fisher

Unconventional Resources Technology Conference (URTEC)

... geomechanics workflows including anisotropic properties from ultrasonic velocities to be integrated and compared against digital sonic workflow services...

Prediction of Abnormal Pressure Based on Seismic Data: A Case Study of Exploratory Well Drilling in Pertamina UEP I and UEP II Work Areas

P. Manik, P. A. Soedaldjo

Indonesian Petroleum Association

... densities, Lower shale resistivities, Lower interval velocities. It is these differences in physical characteristics which become the basis...

The Accuracy of Particle-Size Analyses Utilizing Settling Tubes

Dr. Ronald J. Gibbs

Journal of Sedimentary Research (SEPM)

... size interval. A sphere the mean size of each size interval was then settled to provide the reference velocity used for comparison with velocities...

Techniques for Automated Measurement of Floc Properties

Gwyn Lintern, Gilliane Sills

Journal of Sedimentary Research (SEPM)

... of floc settling velocities in Glacier Bay, Alaska: Marine Geology, v. 145, p. 85–94. Lintern, D.G., 2000, Flocculation and consolidation in fine-grained...

Chapter 8: Amplitude Versus Offset

Tom Wittick

North Texas Geological Society

... to determine properties of a rock interval in the subsurface. The most common property is AVO’s ability to determine if the porosity in a rock is gas filled...

Amplitude Versus Offset

Abilene Geological Society

... interval in the subsurface. The most common property is AVO's ability to determine if the porosity in a rock is gas filled. The basis for the AVO...

Fault Shadow Issues and Resolution in Model and Real Data

Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... converted back to time using vertical stretching. Figure 5. Time RMS Velocity, transformed from depth-interval velocity. These velocities are used...

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

... horizon depths and interval velocities (vint) for the layers between the horizons are shown at the right. The bold lines to the left of the gather show...

An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma

Jan Dodson, Roger A. Young, Kevin Smart

Oklahoma City Geological Society

.... Interval velocities are listed below in Table 1. Velocities for the first two layers (Upper Pennsylvanian to Permian and Lower Pennsylvanian to Upper...

Physical Basis of Reflection Seismology

Bruce S. Hart

Special Publications of SEPM

... interval, we can esti ate the do inant frequency of the data in that interval . Given a particular frequency for an interval, and having an esti ate...

Transformation of Resistivity to Pseudovelocity Logs

Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs

AAPG Bulletin

...> and provides a means of extending knowledge of seismic velocities. By using five selected wells, average scale function constants (A, B, C) have been...

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... Geophys. Fayes, J., and Jeannot, J., 1986, Prestack migration velocities from focusing depth analysis: Presented at the 56th Ann. Internat. Mtg., Soc. Expl...

Microtremor Studies in Roosevelt and Beowawe Geothermal Areas

Alfred L. Liaw, Wayne Suyenega

Circum Pacific Council Publications

..., as indicated by seismic body wave components propagating with extremely high apparent velocities. O u r results imply a correlation between microtremor...

Deep Structure of Black Sea Basin: Structure

Yu. P. Neprochnov, A. F. Neprochnova, Ye. G. Mirlin

AAPG Special Volumes

... is the basalt layer with seismic velocities of 6.6-7.0 km/sec. It is proposed that this layer is gabbroic in nature. The essentially "granitic" layer...

South Falkland Basin: Darwinian Evolution

Bruce Farrer, Chris Rudling

GEO ExPro Magazine

... in comparison was run assisted by the use of the to earlier phases of tomography. vertical seismic interval velocities. This Reprocessing...

Efficient interdisciplinary workflow for predrill seismic pore pressure prediction

Josue Fonseca, Anshuman Pradhan, Tapan Mukerji

International Meeting for Applied Geoscience and Energy (IMAGE)

... often have velocities lower than the ones with normal pressure at comparable depths (Mukerji et al., 2002; Dutta et al., 2021). Therefore, for a complete...

Applications of 3-D Seismic/Forward Modeling to Water Shutoff and Other Reservoir Management Issues

D. E. Moore, H. E. Goodman, P. D. Norman

Indonesian Petroleum Association

... (Figure 1). Figure 1. Frasier Approximation to Bortfeld The acoustic boundary (shown in the middle of the figure) is defined by P and S wave velocities...

Abstract: P-wave AVAz Modeling: A Haynesville Case Study; #90224 (2015)

Jon Downton

Search and Discovery.com

... and S-wave velocities from the well logs can be used to calculate the background compliance matrix. Under the above assumptions, the definition...

High-Resolution Model Building in a Full-Azimuth Nodal Survey in the GOM

Sandip Chattopadhyay, Gary Rodriguez, Tefera Eshete, Guy Hilburn, TGS

GEO ExPro Magazine

.... This lack of slow velocities resulted in a migrated image with a significant structural sag (Figure 1). To ensure tomographic velocity convergence, a slow...

Use of the Regulated Directional Reception Method in Exploration for Reefs in Bashkiria

Yu. N. Voskresenskiy, Ya. I. Shul’ts

Petroleum Geology: A Digest of Russian Literature

...: double continuous profiling with a shot interval of 200 m, and cross observations along profiles at 200 or 400 m with three shot points. The shot holes...

Abstracts: An Investigation of Systematic Location Errors of Microseismic Events; #90173 (2015)

Martin E. Nicola, Bernd Milkereit, and Emmanuel Bongajum

Search and Discovery.com

... and S-wave velocities and are typical of most microseismic analyses. These constant velocities are obtained by computing the mean values of the borehole...

Acquisition Footprint, by Andreas Cordsen, #40128 (2004).

Search and Discovery.com

Rocky Mountain Subthrust Exploration Using Pre-Stack Depth Migration, by Mary Sue Purcell, Steven G. Siguaw, and Steven G. Natali, #40118 (2004).

Search and Discovery.com

Reducing seismic quantitative interpretation uncertainty in complex geological environments: A case study from offshore Australia

Andrea Paxton, Lianping Zhang, Abdul Kholiq, Lee Davey, Richard Bisley, Dominic Fell, Leo Leon, James Shadlow

International Meeting for Applied Geoscience and Energy (IMAGE)

... quantitative interpretation uncertainty rock physics relationships to convert the seismic interval velocities to rock property volumes which were...

Delineation of a Thin Sandstone Reservoir Using Seismic Lithologic Modeling in the Taber-Turin Area, Alberta

Tom Guidish and Marc DeBuyl

AAPG Special Volumes

... across this interval then was computed for each model. These values were compared with those calculated using the sonic log velocities. Comparison...