Applying Machine Learning Technologies in the Niobrara Formation, DJ Basin, to Quickly Produce an Integrated Structural and Stratigraphic Seismic Classification Volume Calibrated to Wells

Carolan Laudon, Jie Qi, Yin-Kai Wang

Unconventional Resources Technology Conference (URTEC)

... on the top Niobrara. The main fault trends can be seen as well as the potential effect curvature may have on fracturing in the brittle chalk layers. Fault...

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

... on the migrated stack and on amplitude-versus-offset (AVO) attributes (P- and S-wave impedance reflectivity). Examples provided in this chapter are from...

Subseismic Fault Identification Using the Fault Likelihood Attribute: Application to Geosteering in the DJ Basin

Ron Harris, Kyle Bracken, Bill Miller, Steve Angelovich, Thomas O'Toole

Unconventional Resources Technology Conference (URTEC)

..., Bahorich and Farmer, 1995; Marfurt et al., 1998). Changes in reflector orientation as measured by curvature attributes have also been proposed...

Comprehensive Analysis the Casing Deformation in Shale Gas Reservoir Modification by Seismic and Microseismic Technology

Search and Discovery.com

Supercritical Flow in Density Currents

Bryce M. Hand

Journal of Sedimentary Research (SEPM)

... by maximum wave celerity) exceeds unity. One consequence (implicit in the Froude criterion) is that waves on the surface of the fluid are incapable...

Dynamic Environments: Reconnaissance Mapping, Geologic and Geomorphic, of Continental Shelf of Gulf of Mexico

W. Armstrong Price

GCAGS Transactions

... on slope. The slopes vary geographically. These variations are related to variations in energy of wave attack and correlate with the distribution...

Filter Or Conveyor? Establishing Relationships Between Clinoform Rollover Trajectory, Sedimentary Process Regime, and Grain Character Within Intrashelf Clinothems, Offshore New Jersey, U.S.A.

Grace I.E. Cosgrove, David M. Hodgson, Miquel Poyatos-Moré, Nigel P. Mountney, William D. McCaffrey

Journal of Sedimentary Research (SEPM)

... seismic reflector analyzed in this study (Fig. 2). The position of the clinoform rollover is marked by the point of maximum curvature between the topset...

Detailed Structure of the Nankai Trough from Migrated Seismic Sections: Convergent Margins: Field Investigations of Margin Structure and Stratigraphy

Yutaka Aoki, Toshiro Tamano, Susumu Kato

AAPG Special Volumes

... section like a seaward dipping reflector due to velocity effects. In the eastern Nankai trough the velocity pull-up effect is also commonly observed...

The Use of Ground-Penetrating Radar for Characterizing Sediments Under Transient Flow Conditions

Michael B. Kowalsky, Yoram Rubin, Peter Dietrich

Special Publications of SEPM

... surrounding each plane in increments approximately equal to a quarter-wavelength of the GPR wave (~ 25 cm). The straight-ray-path algebraic reconstruction...

High-Resolution DFN Modeling via Seismic Attribute Integration in the Sichuan Basin for Completion Optimization

Xuefeng Yang, Shengxian Zhao, Dongchen Liu, Deliang Zhang, Lieyan Cao, Joseph Leines Artieda, Chuxi Liu, Wei Yu, Jijun Miao

Unconventional Resources Technology Conference (URTEC)

... characterization remains a challenge. This study integrates two seismic attributes—ant tracking and maximum curvature—to construct a high-resolution...

Application of finite difference eikonal solver for traveltime computation in forward modeling and migration

Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff

Geological Society of Malaysia (GSM)

... of the reflector to the true location by using the integral form of wave equation (Smitha et al., 2016). Fast marching method retrieves the traveltimes...

Nearshore Bedform Patterns Along Rhode Island From Side-Scan Sonar Surveys: DISCUSSION

Friedrich Werner

Journal of Sedimentary Research (SEPM)

... in their "sand wave" features, which is common with such bedforms on sonographic records because of an acoustical shadow effect. I cannot see this asymmetry...

Sedimentological and Geophysical Signatures of A Relict Tidal Inlet Complex Along A Wave-Dominated Barrier: Assateague Island, Maryland, U.S.A

Christopher T. Seminack,, Ilya V. Buynevich

Journal of Sedimentary Research (SEPM)

...Sedimentological and Geophysical Signatures of A Relict Tidal Inlet Complex Along A Wave-Dominated Barrier: Assateague Island, Maryland, U.S.A...

Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand

Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher

AAPG Special Volumes

..., New Zealand: Journal of Structural Geology, v. 19, no. 10, p. 13231342.Ostrander, W. J., 1984, Plane-wave reflection coefficients for gas sands...

5D Interpolation Adds Value at the Drill Bit for a Texas 3D Seismic Survey

K. Rene‘ Mott, William Keller, Mike Perz

GCAGS Transactions

... attribute maximum curvature, which aids in readily identifying carbonate karsting, minor fracturing, and major faulting. Field Description...

ABSTRACT: Prestack Depth Migration for 'Easy' Onshore Plays?, by Morgan Brown; #90156 (2012)

Search and Discovery.com

Chapter 4: Synthetic Seismograms and Their Uses

Tom Wittick

North Texas Geological Society

... reflector at a specific depth. In most cases the difference in acoustic velocity between rocks is the dominant factor in determining the reflection...

Oceanographic Currents and the Convexity of the Uppermost Continental Slope

Neil C. Mitchell, John M. Huthnance

Journal of Sedimentary Research (SEPM)

... experiments and theory, the gravity effect on saltating particles leads to a downslope flux that is proportional to local bed gradient, as required...

Seasat Orbital Radar Imagery for Geologic Mapping: Tennessee-Kentucky-Virginia

J. P. Ford

AAPG Bulletin

... is a single right-side-looking system orbiting in a plane inclined to the earth's axis of rotation the imagery was acquired from two different look...

Modelling pure qP-wave in attenuative VTI media using fractional viscoacoustic wave equation

Shanshan Zhang, Kun Tian, Ning Qin, Yanguang Wang, Changbo Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... anisotropy has a significant effect on the propagation of seismic wavefield. These results illustrate that the proposed wave equation can effectively...

Fracture Patterns within Mudstones on the Flanks of a Salt Dome: Syneresis or Slumping?

Morenike O. Coker, Janok P. Bhattacharya, and Kurt J. Marfurt

GCAGS Transactions

... dip away from the salt and were domed by the effect of upward movement of the salt (Fig. 6). POLYGONAL FRACTURES Curvature images provide detailed...

Geomorphology of kilometer-scale extensional fault scarps: factors that impact seismic interpretation

Simon A. Stewart, Abby Reeds

AAPG Bulletin

... influence on their final morphology was initial fault plane shape. However, subareally exposed scarps were strongly degraded, showing that degradation...

Growth Fault-Bend Folding at Southeast Lost Hills, San Joaquin Valley, California

Donald A. Medwedeff

AAPG Bulletin

... 82C13-2 and northeast portion is line 81C6-3. Both sections are wave-equation migrated time sections. Vertical and horizontal scales are approximately...

Monitoring CO2 Injection at Weyburn Reservoir Using 3-D/3-C Seismic Datasets; #20290 (2015)

Le Gao, Igor Morozov

Search and Discovery.com

... 3-D/3-C seismic datasets. Standard AVO attributes, such as intercept, gradient, S-wave reflectivity, together with additional empirical attributes...

Modeling Production and Prospectivity in the Austin Chalk to Optimize Well Placement, Productivity and Completion Design

Sean Boerner, Rohit Singh, Ross Peebles, Jessica Garvin, William J.E. Holt

Unconventional Resources Technology Conference (URTEC)

..., such as:  Acoustic Impedance  Shear Impedance  Frac Factor™  Bulk Modulus  Density  Poisson’s ratio  P-Wave Velocity  Shear Modulus  S-Wave Velocity...