The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #41516 (2015)

Jim Montalbetti, Jeff Beckett, Graham Hodgkiss

Search and Discovery.com

... with the highly rugose water bottom caused by the presence of major canyons. These introduce significant changes in seismic velocity in the near surface...

Timing of Faults and Extension Fractures in the Sierra Madre Oriental, Northeastern Mexico

Hooker, John N., Marrett, Randall A., and Laubach, Stephen E.

GCAGS Transactions

... deformation. Some changes in bed thickness appear to be associated with depositional patterns, possibly governed by near-surface topography and, in some...

Guide to Late Pleistocene and Holocene Deposits of Turnagain Arm

Susan Bartsch-Winkler, Henry L. Schmoll

Alaska Geological Society

... the surface of the fan north of the downtown area and south of downtown near Northern Lights Boulevard, respectively. Wherever the Bootlegger Cove Formation...

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

... well defined on line K54-1-2 (Figure 2). In Figure 2, the thickness of the undeformed layer is consistently about 0.3 sec (two-way travel time) near...

Seismogenic Deformation Structures in Microbialites and Mudstones, Silurian Lockport Dolomite, Northwestern Ohio, U.S.A.

Charles F. Kahle

Journal of Sedimentary Research (SEPM)

... of breccia and structureless mudstone. What has been termed mixed layers in Pleistocene lake sediments near Masada, Israel, consisting of varying...

Secular Variations in the Pelagic Realm

Alfred G. Fischer, Michael A. Arthur

Special Publications of SEPM

... by it both vertically and laterally In Fig 8B extreme cases this might have had the effect of interposing a totally anaerobic layer between the surface...

Effective Delivery of Reservoir Compliant Seismic Data Processing; #42158 (2017)

Arash JafarGandomi, Henning Hoeber, Celine Lacombe, Vimol Souvannavong

Search and Discovery.com

..., and the near surface in land environments. 3. Relatively less effective demultiple for the lower frequencies than the dominant frequencies. 4. The need...

Introduction to Offshore Geologic Hazards: Section 1: PART 1

Arnold H. Bouma

AAPG Special Volumes

...: Seismicity and active faulting Near-surface fracturing of rocks Volcanism Sediment instability Erosion and sedimentation Ice scouring...

EXTENDED ABSTRACT: Calichification-Induced Structures in the Edwards Plateau, Texas

James J. Willis, Kristen M. Willis

GCAGS Transactions

... in the Edwards Plateau is the uplifting of near-surface strata on hill sides. Caliche preferentially (though not exclusively) emplaced in argillaceous...

Calichification-Induced Structures in the Edwards Plateau, Texas, James J. Willis and Kristen M. Willis, #90093 (2009)

Search and Discovery.com

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

... the dramatically varying elevations and the high-speed outcrop in the left and right areas produce strong scattering and near-surface reflections, which make...

Combined elastic FWI of accelerometer and DAS VSP data from a CO2 sequestration test site in Newell County, Alberta

Matthew Eaid, Scott Keating, Kristopher Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... for an effective source field that addresses complex near surface wavefield propagation and incomplete source signature information. The second is a special data...

Estimate near-surface velocity with reversals using deep learning and full-waveform inversion

Yong Ma, Xu Ji, Weiguang He, Tong Fei

International Meeting for Applied Geoscience and Energy (IMAGE)

..., such as turning-ray tomography or first-arrival tomography (Zhu et al., 1992) cannot resolve the near-surface velocity reversals. ReLU Dense layer LSTM Time...

Sedimentological Significance of Fecal Pellets of Macoma Balthica in the Minas Basin Bay of Fundy

Michael J. Risk, James S. Moffat

Journal of Sedimentary Research (SEPM)

... (the clams may in fact be unable to sustain themselves near the surface of these liquid sediments). Similarly, the Windsor Bay area (westward from Bass...

-- no title --

Ehsan, Athar

Search and Discovery.com

... Show storage space (Wang and Schuster, 1996); When the near surface velocity is low or lowvelocity targets exist in the deeper zone, such coarse-grid...

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

... February 2023 Exhibition World Bahrain Middle East Oil, Gas and Geosciences Show storage space (Wang and Schuster, 1996); When the near surface velocity...

Delivering a Step-Change in Imaging from Indonesias First Ocean Bottom Node 3D Seismic Survey at Tangguh

Christopher Birt, Hery Prastowo, Danang Priyambodo, Simon Wolfarth, Johnathan Stone

Indonesian Petroleum Association

... On Near Surface Geoscience And Engineering. Stone, J., Wolfarth, S., Prastowo, H., Priyambodo, D., Manning, T.A., And Etgen, J., 2018, Tangguh ISS...

Gulf Coast Structural Geology

R.O. Kehle

New Orleans Geological Society

... and the pressure gradient caused by a varying thickness and density of overburden. If the free upper surface of a fluid is inclined, a gradient...

Abstract: A study of Spectral Broadening Methods for Multicomponent Data; #90174 (2014)

Chuck Ursenbach, Peter Cary, and Mike Perz

Search and Discovery.com

... not as high as P-wave data (except for some important shallow reflector, near-surface exceptions). In the absence of attenuation due to Qp and Qs, we...

A Shaking Table for Experiments on Soft-sediment Deformation: RESEARCH METHOD PAPER

G. Owen

Journal of Sedimentary Research (SEPM)

... construction for reference against a square grid on one wall of the tank. Silicon carbide powder is a suitable layer marker: it contrasts less in density...

Floodplain Formation and Sediment Stratigraphy Resulting from Oblique Accretion on the Murrumbidgee River, Australia

K.J. Page, G.C. Nanson, P.S. Frazier

Journal of Sedimentary Research (SEPM)

... that the Murrumbidgee River in this area is a laterally migrating system producing a scroll-patterned surface, the opportunity existed for a study...

Subseismic pathway prediction by three-dimensional structural restoration and strain analysis based on seismic interpretation

Jennifer Ziesch, David C. Tanner, and Charlotte M. Krawczyk

AAPG Bulletin

.... Zones of high strain may correlate with potential migration pathways. Because of the enhanced need for securing near-surface layer integrity when CO2...

Scholte waves from active and passive SB-DAS recordings and their relevance for CCUS: Synthetic and real examples from the North Sea

Simone Re, Ran Bachrach, Ali Sayed, Dmitri Skorinski, Massimo Clementi

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Soliman, 2024, Surface distributed acoustic sensing for high-resolution near-surface characterization: Results from a 3D onshore field experiment...

Extended Abstract: Application of Electroseismic Technology for Direct Hydrocarbon Detection in Conventional Reservoirs—A Case History

David L. McCabe, Alan J. Katz, Arthur H. Thomson, Robert W. England

GCAGS Transactions

... interface creates an electric dipole layer (see Figure 1). The electric dipole layer is composed of immobile ions of one charge at the surface...

Application of full-waveform inversion to ultra-high-density OBN data at Clair field

Simon Luo, Xukai Shen, Philip Tillotson, Lindsey Smith, Dan Davies

International Meeting for Applied Geoscience and Energy (IMAGE)

... be worthwhile to investigate additional modeling and inversion for the water bottom and near surface, which could include elastic properties of the shallow...