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The AAPG/Datapages Combined Publications Database

Showing 34,502 Results. Searched 200,619 documents.

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Seismic speckle as multiplicative noise explaining land reflections distorted by near-surface scattering

Andrey Bakulin, Dmitry Neklyudov, Ilya Silvestrov

International Meeting for Applied Geoscience and Energy (IMAGE)

... distribution. realistically limited ensembles of data from local stacking. Right away, we consider the joint effect of random time delays and frequency...

2022

Quantitative Prediction of Sandbody Connectivity within Distributive Fluvial Systems Using Process-Based Numerical Modeling, #42436 (2019).

S. Worms, C.M. Griffiths, A. Owen, J.A. Howell, A.J. Hartley,

Search and Discovery.com

... stacking paltems depend ing on location within OF$ (proxima l, med ial or distal) o Primary: Quanti fy effect of accommodation - sediment supply...

2019

Abstract: A Revised Stratigraphic Architecture and History for the Horseshoe Canyon Formation (Upper Cretaceous), Southern Alberta Plains; #90172 (2014)

David A. Eberth

Search and Discovery.com

...) that are defined largely by the presence/absence of coals, grain size, and sandstone stacking patterns. Unit 1 (160 m) Unit 1 includes the marine-to-nonmarine...

2014

Applications of 3-D Seismic on Morrow Channel Sandstones, Second Wind and Jace Fields, Cheyenne and Kiowa Counties, Colorado

Mark P. Germinario, Sherrie R. Cronin, John R. Suydam

Rocky Mountain Association of Geologists

...) 150 ft. 450 ft. 150 ft. 450 ft. 60 line x 4 lines= 240 channel5 PROCESSING PARAMETERS Datum 4,500 ft. above sea level, correction velocity 8,000 ft...

1995

Seismic Stratigraphic Model of Depositional Platform Margin, Eastern Anadarko Basin, Oklahoma

William E. Galloway , Marshall S. Yancey , Arthur P. Whipple

AAPG Bulletin

... had no discernible effect on the modeled seismic r sponse.) The velocity data were combined with bed-thickness data to produce four velocity-slab...

1977

Abstract: Migration of Velocity Spectra: An Example from the Philippines

Craig J. Beasley, Rolf Klotz

Geological Society of Malaysia (GSM)

... data is located at an unmigrated position and thus should be repositioned prior to use as a migration velocity. The effect of this phenomenon...

1991

Seismic Modeling of a Strongly Emergent Thrust Front, West Spitsbergen Fold Belt, Svalbard

Stale E. Johansen , Sivert Kibsgaard , Arild Andresen , Tormod Henningsen , John R. Granli

AAPG Bulletin

... strata (Kapp Starostin Formation and dolerite sill) is created at the thrust front. This causes a local velocity pull-up effect, and the gently dipping...

1994

Downstream Changes In Alluvial Architecture: An Exploration of Controls on Channel-stacking Patterns

Paul L. Heller , Chris Paola :

Journal of Sedimentary Research (SEPM)

... of the sedimentation rate, the final stacking pattern is the same (Fig. 2B), i.e., there is an avulsion event every time the critical relief is reached...

1996

An Analysis of the Observed Time Discrepancies Between Continuous and Conventional Well Velocity Surveys

P. E. F. Gretener

CSPG Bulletin

...An Analysis of the Observed Time Discrepancies Between Continuous and Conventional Well Velocity Surveys P. E. F. Gretener 1960 272 286 Vol. 8 (1960...

1960

Complex mountainous stepwise tomographic inversion modeling method

Haili Wang, Yongguo Wu, Weibo Li, Zhihui Yan, Li He, Baohua Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

... surface elevation Time (ms) Velocity (m/s) (a) Velocity (m/s) The ditch (b) Velocity (m/s) The ditch (c) Figure 2: Tomographic inversions...

2024

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

... for detecting hydrocarbons from seismic data. Most of these are based on rock elastic properties, travel time (or velocity), impedance, bright spots and can...

2005

Inversion of magnetotellurics data with enhanced structural fidelity

Federico Golfré Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti

Petroleum Exploration Society of Australia (PESA)

... to infer the geologic setting at depth and to build a structural model with adequate confidence; this is the time when it becomes necessary to step...

2019

L. Van Bendegom: A Neglected Innovator in Meander Studies

J. R. L. Allen

Dallas Geological Society

... No. 1054, 1963). Yen, C. L., 1970, Bed topography effect on flow in a meander: J. Hydraulics Div., Am. Soc. Civil Eng., v. 96, no. HY 1, p. 57-73. Zimmerman...

1977

L. Van Bendegom: A Neglected Innovator in Meander Studies

J. R. L. Allen

CSPG Special Publications

... No. 1054, 1963). Yen, C. L., 1970, Bed topography effect on flow in a meander: J. Hydraulics Div., Am. Soc. Civil Eng., v. 96, no. HY 1, p. 57-73. Zimmerman...

1977

Deep Electrical Prospecting

J. C. Karcher , Eugene McDermott

AAPG Bulletin

... with inductance and resistivity slope functions. Inductance is determined by measuring the time constant of the current decay. Three areas are considered. One...

1935

Seismic and Geologic Characteristics of Drowning Events on Carbonate Platforms(1)

R. N. ERLICH , S. F. BARRETT , and GUO BAI JU

AAPG Bulletin

... correction preceded stacking of the data, and was followed by zero-phase deconvolution. A time variant filter of 8-60 Hz was applied to the data prior...

1990

Dipmeters: Part 4. Wireline Methods

Joseph F. Goetz

AAPG Special Volumes

... the filtering effect. In the dip determination phase, one has a choice between a geometric solution and a stochastic approach. While a geometric...

1992

Sequence Stratigraphy and Facies Model of an Incised Valley Fill: The Gironde Estuary, France: DISCUSSION

Ole J. Martinsen, William Helland-Hansen

Journal of Sedimentary Research (SEPM)

... application of sequence stratigraphy in general at the present time, particularly the points about three-dimensional variability and stacking patterns, we...

1994

Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

...Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks Christian Hermanrud...

2019

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... and Figure 2), the critical angle steps drop greatly. Therefore, the deep layers with high velocity have strong shielding effect on the primary waves...

2014

Fiber Optic Sensing-Based Production Logging Methods for Low-Rate Oil Producers

Ge Jin, Kyle Friehauf, Baishali Roy, Jesse J. Constantine, Herbert W. Swan, Kyle R. Krueger, Kevin T. Raterman

Unconventional Resources Technology Conference (URTEC)

...) or distributed sensors (Paleja et al., 2015); using Doppler effect of SoS to estimate flow velocity (Bukhamsin and Horne, 2016); associating borehole acoustic...

2019

Rock Physics and Reservoir Characteristic of a Calcitic-Dolomitic Sandstone Reservoir

H. Morris, B. Hardy, E. Efthymiou, T. Kearney

Indonesian Petroleum Association

.... The purpose of this step is to correct for any over or under NMO correction which is often due to the use of coarse velocity models. Once all data has...

2011

Rock Physics and Reservoir Characterization of a Calcitic-Dolomitic Sandstone Reservoir; #41499 (2014)

H. Morris, E. Efthymiou, B. Hardy, T. Kearney

Search and Discovery.com

... to be due to incorrect NMO corrections locally and frequency variations with offset. Often coarse velocity models provide inaccurate results...

2014

Elastic and Absorption Properties of Rocks and Their Use in Direct Exploration for Oil and Gas

T. Z. Verbitskiy

Petroleum Geology: A Digest of Russian Literature

.... The differentiation between water-and gas-saturated rocks for velocity of transverse waves is about 5%. Thus, the filling of the pores has little effect...

1974

Computer Simulation of the Yates Formation (Permian, Delaware Basin) - Sequence Stratigraphy and Shelf-to-Basin Correlation Implications

J.M. Borer and P.M. Harris

Search and Discovery.com

.... The range is surprisingly narrow, however, since the choice of valid subsidence Figure 8 iilustrates the complex relationship between cycle stacking...

1995

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