Broadband reconstruction of seismic signal with generative recurrent adversarial network

Zhijun Zhang, Wei Song, Wei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...). The amplitude and bandwidth of seismic data change with time is nonstationary, and its nonstationarity is mainly caused by wave front divergence...

Abstract: P- and S-Wave Velocity Measurements and Pressure Sensitivity Analysis of AVA Response; #90211 (2015)

Tiewei He and Douglas Schmitt

Search and Discovery.com

... an important roll in controlling the pressure dependency of velocity but also has a large effect on the fluid substitution. Contrary to the confining...

Forensic GPR anti-human landmine accurate detection by Gramian constrained joint inversion of the monostatic reflection and transmission radargrams

Jide Nosakare Ogunbo, Changsoo Shin, Sang-Wook Kim, Sang-Hyun Kim

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismogram is available in Ogunbo (2022), and it is straightforwardly adapted to model the GPR radargram. Velocity profiles by the inversion of the reflection...

3-D Finite Difference Modeling of Microseismic Source Mechanisms in the Wolfcamp Shale of the Permian Basin

Robert Meek, Robert A. Hull, Austin Von der Hoya, David Eaton

Unconventional Resources Technology Conference (URTEC)

... to be a high velocity carbonate debris flow. Offset VSP and surface seismic data suggest that very little vertical transverse isotropy is present in this area...

Evaluation of possible gas microseepage mechanisms

Alton Brown

AAPG Bulletin

..., and the bubble very abruptly approaches terminal velocity for its radius and surrounding fluid viscosity. The body force is the buoyancy effect caused...

Utility of Mechanical Facies for Rock Classification, Characterization, and Correlation: Reservoir Characterization: Petrophysical Formation Evaluation and Rock Description

K. A. Alhilali, G. Shanmugam

AAPG Special Volumes

... and Compressional Wave Velocity," Geophysics, 49, No. 8, pp. 1188-1195. 5. Dowla, N. et al., 1990, "Laboratory Investigation of Saturation Effect on Mechanical...

A Novel Method for Experimental Characterization of the Poroelastic Constants in Unconventional Formations

Deepak Gokaraju, Munir Aldin, Akshay Thombare, Abhijit Mitra, Sudarshan Govindarajan, Robert Patterson

Unconventional Resources Technology Conference (URTEC)

...𝑃 is the change in acoustic velocity of the individual grains during the grain modulus cycle and [δ𝑉𝑝/𝛿σ]|PP is the change in acoustic velocity...

Velocity Conditioning for an Improved Depth Conversion, #40743 (2011)

Ang Chin Tee, M. Hafizal Zahir, M. Faizal Rahim, Nor Azhar Ibrahim, Boshara M. Arshin

Search and Discovery.com

... the complex spatial geometry of the structure and the effect of low velocity shallow gas sands. The 3D hybrid velocity model Interval Velocity grid...

Mobile Shale in the Niger Delta: Characteristics, Structure, and Evolution

Richard W. Wiener, Michael G. Mann, Michael Terry Angelich, Joseph B. Molyneux

AAPG Special Volumes

... zones of overpressured shale.Zones of thick mobile shale correspond to low-seismic-velocity zones. Low seismic velocity is evident in seismic traveltime...

Application of phase stabilization Q migration in comprehensive evaluation and identification of tight-reservoir

Yi Bao, Hai-Bo Zhao, Xu Liu, Xiao-Wei Guan, Xin-Yue Song, Cheng Wang, Zai-Jin Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... equivalent Q field with the best imaging scale effect can be determined first, and the Q model that conforms to the real absorption and attenuation laws...

Abstract: Migration of Velocity Spectra: An Example from the Timor Sea, by J. C. Beasley and R. Klotz; #91015 (1992).

Search and Discovery.com

Wide-Angle Seismic-Reflection and -Refraction Data from the Solomon Islands

A. K. Cooper, R. A. Wood

Circum Pacific Council Publications

...-arrival (D-wave) traveltime by the velocity of sound in water, a value derived from surface-water temperature measurements. Surface temperatures ranged...

Abstract: 3-D Seismic Expression of Karst Using 3-D Synthetic Seismic Model of Modern Analogs, by X. Janson and S. Fomel; #90090 (2009).

Search and Discovery.com

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

.... (1999) use a Kirchhoff operator to perform least squares migration of incomplete surface seismic and Vertical Seismic Profile (VSP) data. They find...

Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

...-wave velocity down for the structures underneath, which may not produce a uniform effect along all the azimuths due to the shape of gas cloud zones...

Rock Physics Modeling Optimizing Well Log and Core Data for the Abadi Gas Field

Shinji Matsuura

Indonesian Petroleum Association

... of heavy minerals, such as Pyrite and Siderite are included in the matrix. However the velocity response by the effect of diagenesis and cementation...

Application of Seismic Surveying to Direct Exploration for Oil and Gas

A. M. Ivanchuk, L. F. Tarkhova

Petroleum Geology: A Digest of Russian Literature

...) (Geologiya Nefti i Gaza, no. 8, 1974, p. 71–74) The seismic method for direct exploration for oil and gas makes use of the anomalous effect of oil-gas...

Mapping Stratigraphic Traps with Seislog

Roy O. Lindseth

Indonesian Petroleum Association

... −1,600 feet. The effect may also be seen by character correlating the logs, which illustrates the change in thickness of the high velocity unit from...

Multi-information intelligent decision process for first-break picking

Fei Luo, Lanlan Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

...-to-noise ratio within a shot gather. The recognition and traveltime detection of the first-arrival wave play a crucial role in estimating velocity...

Early Late Cretaceous to Holocene Seismic Stratigraphy and Geologic History of Southeastern Gulf of Mexico

David M. Angstadt , James A. Austin, Jr. , Richard T. Buffler

AAPG Bulletin

..., inferred depositional style . Isochron (traveltime) maps were then constructed for the three lowest units (A,B, and C). Fig. 1. Physiographic map...

7.0 The Structural Significance of Seismic Velocity - A Progress Report

P. E. Gretener

AAPG Special Volumes

... or that of the earth as a whole. The basic property under investigation is the change of seismic velocity from one layer to the next. It is thus possible...

Time-lapse monitoring of saltwater disposal in Kansas and Oklahoma using ambient noise

Lonn Brown, Mirko van der Baan

International Meeting for Applied Geoscience and Energy (IMAGE)

.... As the down-well injection of disposal fluids will necessarily change the state of stress in the subsurface, monitoring the velocity changes induced...

An Automated Grain-shape Classifier

William H. Glezen, John C. Ludwick

Journal of Sedimentary Research (SEPM)

... the same velocity and angle of deflection is proportional to the change in velocity, (Vsi - Vsd), during impingement. At a given impingement velocity, Vi...

Overview of Exploration Geophysics: Recent Breakthroughs and Challenging New Problems: Hydrocarbons

B. S. Flowers

AAPG Special Volumes

... on borehole logs) should give a strong velocity change and, hence, a bright-spot amplitude anomaly. A second example of the same problem in the Gulf Coast...

Overview of Exploration Geophysics--Recent Breakthroughs and Challenging New Problems

B. S. Flowers

AAPG Bulletin

... measurements on borehole logs, should give a strong velocity change and hence a bright-spot-amplitude anomaly. A second example of the same problem...