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The AAPG/Datapages Combined Publications Database

Showing 16,602 Results. Searched 195,731 documents.

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Modern Seismic Techniques — A New Dimension in Exploration

John F. Partridge

Wyoming Geological Association

... a new dimension for exploration in the Bighorn Basin of Wyoming. Digitally recorded and processed seismic data utilizing the common depth point (CDP...

1975

Abstract: Uncertainty in 4-D imaging

Maria Kotsi, Alison Malcolm

Atlantic Geology

... this is time-lapse (4-D) seismic. Full Waveform Inversion (FWI) is a promising tool for 4-D analysis. The objective of FWI is to deliver a velocity model...

2016

Residual Temperature Analysis--Tracking Subsurface Fluid Migration: ABSTRACT

R. H. Pilger, Jr., Jeffrey A. Nunn

AAPG Bulletin

...Residual Temperature Analysis--Tracking Subsurface Fluid Migration: ABSTRACT R. H. Pilger, Jr., Jeffrey A. Nunn 1982 618 618 66 5. (May) Positive...

1982

N/A

Examples of Optical Analysis and Filtering of Seismic Record Sections: ABSTRACT

J. A. Long

AAPG Bulletin

...Examples of Optical Analysis and Filtering of Seismic Record Sections: ABSTRACT J. A. Long 1965 1086 1087 49 7. (July) When coherent light from...

1965

Abstract: Oil and Gas Exploration Emphasizing Overpressure-Enhanced HC Seals in Large Tertiary Deltaic Complexes; #90256 (2016)

Steven L. Getz

Search and Discovery.com

... traps is usually facilitated by a combination of log analysis, subsurface mapping, and reflection seismic methods that include: 1). inversion, fault...

2016

An Analysis of Factors Controlling Deviations in Hydraulic Equivalence in Some Modern Sands

Richard Lowright, E. G. Williams, Frank Dachille

Journal of Sedimentary Research (SEPM)

... was obtained from the larger sample by using an Otto microsplit. Settling velocity distributions for samples 1-29 were obtained using the equipment...

1972

ABSTRACT: Hidden Structure Revealed by a Simple 3D Velocity Model„McAllen Ranch Field, Hidalgo County, Texas; #90117 (2010)

Richard C. Bain

Search and Discovery.com

...% faster than the overlying or underlying units. The top and base of the high-velocity unit were correlated over a wide area using 3D seismic and well...

2010

Abstracts: Synthetic Microseismic Files; #90173 (2015)

J. Wong, P. M. Manning, L. Han, and J. B. Bancroft

Search and Discovery.com

... arrays. The P and S velocity structures are discrete layers with horizontal boundaries representing geological structures common in many hydraulic fracture...

2015

Inferring Maximum Geostrophic Current Velocities in the Norwegian-Greenland Sea from Settling-Velocity Measurements of Sediment Surface Samples: Methods, Application, and Results

Klaus H. Michels

Journal of Sedimentary Research (SEPM)

... of the particles (settling velocity and grain size), current speeds were determined using a critical curve for the threshold of sediment transport (Miller et...

2000

The plug drum effect, or why your microseismic events may not be where you think they are

Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller, T. Shuck, B. Fish

Unconventional Resources Technology Conference (URTEC)

.... An accurate velocity model is required to accurately locate microseismic events. An initial velocity model is usually built using a sonic log...

2017

Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect.

Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... wells or of the Leon-C1 zone. To address these factors, two more complex methods: Average Velocity vs. Mid-point Depth (VAMPD) and Layer-caking using...

2009

Abstract: High-Accuracy Relative Event Locations using a Combined Multiplet Analysis and the Double-Difference Inversion; #90174 (2014)

Fernando Castellanos and Mirko van der Baan

Search and Discovery.com

...Abstract: High-Accuracy Relative Event Locations using a Combined Multiplet Analysis and the Double-Difference Inversion; #90174 (2014) Fernando...

2014

Abstract: Rock Physics Modeling in Montney Tight Gas Play; #90224 (2015)

Ayato Kato, Kunio Akihisa, Carl Wang, and Reona Masui

Search and Discovery.com

... velocity data are critical for seismic AVO analysis, it is often that S-wave sonic log has not been acquired in the key wells. In the cases, S-wave...

2015

VSP Lookahead of the Bit Information: Considerations and Accuracy Analysis, #42196 (2018).

P. Ranjan, M. Khaitan, S. Chandrasekhar, Basant Kumar

Search and Discovery.com

...VSP Lookahead of the Bit Information: Considerations and Accuracy Analysis, #42196 (2018). P. Ranjan, M. Khaitan, S. Chandrasekhar, Basant Kumar...

2018

Discrimination of Depositional Environments Using Settling Tube Data

Asahiko Taira , Peter A. Scholle

Journal of Sedimentary Research (SEPM)

... sampling procedure, 2) analysis using a sensitive photo-extinction settling tube, 3) use of settling velocity as grain-size indicator, 4) use of 65...

1979

Application of Seismography to Geological Problems

Eugene McDermott

AAPG Bulletin

..., the velocity of a wave is different in the two ropes. A wave travelling down the light rope from its starting point at A is partly refracted...

1931

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

... frequencies, editing of the unusable traces, sorting of the traces into common depth point (CDP) gathers, muting of the high amplitude surface noise...

1983

Elastic FWI imaging of a complex presalt structure using NATS data

Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno

International Meeting for Applied Geoscience and Energy (IMAGE)

... for both the acoustic and elastic cases. We started the analysis by comparing the RTM using the legacy velocity model (Figure 1a) with the FWI Images...

2023

The Wave Equation Applied to Migration

D. Loewenthal, L. Lu, R. Roberson, J. Sherwood

Southeast Asia Petroleum Exploration Society (SEAPEX)

... alternative migration techniques. Particular advantages are 1) the possibility of using a detailed velocity model for the migration and 2) the preservation...

1978

-- no title --

Ehsan, Athar

Search and Discovery.com

... requires very high-resolution technique. Conventional velocity model building techniques such as ray-based tomography and migration velocity analysis outputs...

Unknown

Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)

Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji

Search and Discovery.com

... techniques such as ray-based tomography and migration velocity analysis outputs inaccurate results (Yong, et al.,2018). In this paper we have studied 3D...

2023

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