Low-frequency signal-guided seismic amplitude preservation optimization and its application in Paleogene reservoir prestack inversion

Xie Xiang, Zhang Zhongqiao, Qiao Zhu, Wang Jinghan

International Meeting for Applied Geoscience and Energy (IMAGE)

... is proposed based on the analysis of seismic amplitude absorption and attenuation characteristics. Forward modeling under different conditions show...

Improved channel imaging using full-waveform inversion for deepwater Lingshui giant gas reservoir in South China Sea

Tao Wu, Dun Deng, Zijing Gong, Jie Cui, Rong Li, Lianlian Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

...-squares FWI and reflection tomography on an offset-limited and narrowazimuth towed-streamer dataset. A high-resolution velocity model is built...

Seismic Interpretation of Carbonate Depositional Environments

J. M. Fontaine , R. Cussey , J. Lacaze , R. Lanaud , L. Yapaudjian

AAPG Bulletin

.... Diagenetic events, such as paleokarst zones, may be delineated using special analyses involving amplitude offset variations. The study of carbonate...

Abstract: Innovative QCs for More Effective 4D Processing; #90187 (2014)

Cyril Saint Andre, Benoit Blanco, Christian Hubans, and Benoit Paternoster

Search and Discovery.com

... lay the focus on only one nonrepeatability or 4D difference parameter (i.e.time shift or amplitude distortion) and lead to non ambiguous understanding...

Abstract: Fractures Detection Using Multi-Azimuth Diffractions Focusing Measure: A Feasibility Study from the Arab D Reservoir, by Abdulfattah A. Aldajani and Sergey Fomel; #90105 (2010)

Search and Discovery.com

ABSTRACT: Petroleum Systems Analysis and Exploration Direction of Martaban Basin in Andaman Sea, by Hongping, Wang; Fuliang, Lv; Fan, Guozhang; Mao, Chaolin; #90142 (2012)

Search and Discovery.com

Effects of Overburden Anisotropy and Vertically Aligned Fractures on P-Wave Azimuthal AVO Responses

Fatkhan, Yudi Yanto, Nofri Faruza Said

Indonesian Petroleum Association

... azimuthal anisotropy. A significant proportion of information is contained in amplitude variations with offset or azimuth AVO or AVAz). More specifically...

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the amplitude and phase spectrum and appropriate offset (or angle) selection of the input data, the results could be interpreted as broad-band...

Untested carbonate buildups in the Bermejo field, Ecuador: A potential new play type in the western Oriente Basin

Gwang H. Lee, John P. Castagna

AAPG Bulletin

... accumulations in the Bermejo field are not amplitude supported on stacked data. The amplitude-variation-with-offset (AVO) analysis can...

Extended Abstract: Eagle Ford Shale Prospecting with 3D Seismic and Microseismic Analysis

Galen Treadgold, Bruce Campbell, , Bill McLain, , Steven Sinclair, , and David Nicklin

Houston Geological Society Bulletin

.... It is also necessary to address anisotropy prior to any elastic inversion attempt. Far offset amplitude variations, due to poor characterization...

Seamless processing new and legacy data for high-quality imaging in shallow water, offshore Myanmar

Search and Discovery.com

Neotectonics of North Sumatra Forearc

Nugroho D. Hananto, Satish C. Singh, M. Maruf Mukti, Ian Deighton

Indonesian Petroleum Association

... demarcate the accretionary wedge sediments and continental crust. 2) Strike slip fault located close to Sumatra platform, which seems to offset the top...

Comparison of EMD and S-Transform Spectral Decomposition for Characterizing Hydrocarbon Reservoir: Case Study of East Java Basin

Abdul Haris, A. M. Ustad, Didik Ardiyanto, Gadang G. Wihardy, Budiyono, Tri Bowo, Murti Widyawan

Indonesian Petroleum Association

... analysis for low frequency shadow zone at 10 Hz, which is the slightly bellow of seismic frequency content, shows high-amplitude. Low frequency anomalies...

Elastic FWI for joint Vp, Vs and density inversion

Peng Shen, Uwe Albertin, Hermes Malcotti, Josh Haataja

International Meeting for Applied Geoscience and Energy (IMAGE)

... offset stack amplitudes are associated with low density and vice-versa. Figure (2a) compares the far offset stack amplitude and the density inversion...

Abstracts: Ground Roll Attenuation Using LWD; #90173 (2015)

Ken Kocon and M. Sacchi

Search and Discovery.com

..., and irregularly sampled field data. Introduction Ground roll is a form of dispersive, low frequency, high amplitude noise that obscures useful information...

Application of distributed fiber optic and borehole-surface jointly acquired seismic data in high-resolution processing of conventional seismic

Zhanqing Yu, Cheng Wang, Miao Kun

International Meeting for Applied Geoscience and Energy (IMAGE)

... of zero-offset VSP, the downgoing wavelet can be intercepted through a certain length time-window. The Tar (True Amplitude Recovery ) is obtained by fitting...

Abstract: Seismic Attenuation (Q) Estimation from VSP Data; #90211 (2015)

Chuandong (Richard) Xu and Robert Stewart

Search and Discovery.com

...) Abstract P- and S-wave attenuations are studied using vertical and horizontal vibrator sources and zero-offset VSP data from the Ross Lake heavy...

Least-squares reverse-time migration with angle gathers through point spread functions

Jianyong Bai, Orhan Yilmaz

International Meeting for Applied Geoscience and Energy (IMAGE)

...) describe reflectivity variations over reflection angles and azimuth for model building and amplitude versus angle (AVA) analysis. The ADCIGs can be obtained...

Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia

David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim

Indonesian Petroleum Association

... of the project. * Combining both broadband data and FWI velocity model building (VMB) is key in correcting for structural distortion and amplitude dimming...

Analysis of high amplitude anomalies of the Early-Middle Miocene Pagasa Formation, Southwest Palawan Basin, Philippines

Jeffrey G. Acosta

Southeast Asia Petroleum Exploration Society (SEAPEX)

...Analysis of high amplitude anomalies of the Early-Middle Miocene Pagasa Formation, Southwest Palawan Basin, Philippines Jeffrey G. Acosta 2013 1 41...

Semi-inverse relationship between critical angle and reflectivity coefficient, and its implication in seismic survey design, processing, and interpretation

Chen Bao

International Meeting for Applied Geoscience and Energy (IMAGE)

... difficult to image and characterize with near offset dominated seismic data. However, if these sands happen to have a desired amplitude versus offset (AVO...

Basin architecture from high-resolution gravity gradient, magnetic, and seismic data, King Sound, Canning Basin, Western Australia

Peter Kovac, Sharon Lowe, Tony Rudge, Carlos Cevallos, Jurriaan Feijth, Lynsey Brett

AAPG Bulletin

... fault block to the south, accompanied by another relative low in GDD. The total variation in amplitude over fault block 1 is 30 E (Figure 9). A lower...

The Sunrise-Troubadour Gas-Condensate Fields, Timor Sea, Australasia

R. J. Seggie, R. B. Ainsworth, D. A. Johnson, J. P. M. Koninx, N. Marshall, A. Murray, S. E. Phillips, B. Spaargaren, P. M. Stephenson

AAPG Special Volumes

... amplitude variation with offset (AVO) effects to constrain depositional modeling via statistical inversion techniques. This has then been fully...

Detailed internal architecture of a fluvial channel sandstone determined from outcrop, cores, and 3-D ground-penetrating radar: Example from the middle Cretaceous Ferron Sandstone, east-central Utah

Rucsandra M. Corbeanu, Kristian Soegaard, Robert B. Szerbiak, John B. Thurmond, George A. McMechan, Deming Wang, Steven Snelgrove, Craig B. Forster, Ari Menitove

AAPG Bulletin

..., Geostatistical analysis of ground-penetrating radar data: a means of describing spatial variation in the subsurface: Water Resources Research, v. 34, p...

Geologic and seismic modeling of a coarse-grained deep-water channel reservoir analog (Blacks Beach, La Jolla, California)

Lisa Stright, Jonathan Stewart, Kirt Campion, Stephan Graham

AAPG Bulletin

... between source and receiver. This phenomenon is known as amplitude variation with offset (AVO), and the interpretation of near-angle and far-angle...