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

... a coherent stacking to implement constructive summation for angle-domain common-image gathers. The new LSM scheme enables us to reduce the artifacts...

Deep-learning application of salt geometry detection in deep water Brazil

Ruichao Ye, Anatoly Baumstein, Kirk A. Wagenvelt, Erik R. Neumann

International Meeting for Applied Geoscience and Energy (IMAGE)

... is summation of losses for each listed category of training dataset, that is, Table 1: aggregated loss function for different training labels, depending...

Phase-encoded waveform inversion for multiples

Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflection. Since each term in the summation requires an independent inversion, the computation spent in calculating the gradient is proportional to the number...

Compressive sensing framework using the linear radon transform for 3D ultrasonic data reconstruction in a pinch-out reservoir model

Pedro C. de Assis, Romulo B. da Silva, Irineu A. Lima Neto, Alan C. Galante, Alexandre L. Campi, Alessandro R. de Oliveira, Roseane M. Missagia, Marco A. R. Ceia

International Meeting for Applied Geoscience and Energy (IMAGE)

... summation over straight lines with the integration paths constrained by the ray parameters; moreover, transforming planar wavefronts into peaks in the Radon...

Subsalt image optimization in the Gulf of Mexico combining sparse OBN and legacy streamer data

Hongyan Li, Ruoyu Gu, Jarrod Hutson, Di Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... of coherencybased weighted summation (Figure 2) was applied. Due to the complicated wave propagation in the salt province, conservative multiple attenuation...

Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study

Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

... will get a larger merging weight. A relative shift controlled by weight is performed to achieve the best alignment locally, before final summation...

Tomographic waveform inversion (TWI) applied to real seismic data

Jlio Oliva Frigrio, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity model. TWI reaches a solution by means of local optimization strategies. With that purpose the gradient of the objective function J is required...

A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... in Indonesia are studied to compare the various aspects and consequences of noise attenuation techniques. Strategies for attenuating both random...

Conditional image prior for uncertainty quantification in full-waveform inversion

Lingyun Yang, Omar M. Saad, Tariq Alkhalifah, Guochen Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... infinite number of samples instantly by inputting new vectors into the condition in which the summation of its elements equal to one. Fourth...

Beneficial impacts of receiver arrays on suppressing seismic speckle noise from near-surface heterogeneities: A reflection of 3D seismic acquisition practices in the Middle East

Andrey Bakulin, Ilya Silvestrov, Dmitry Neklyudov

International Meeting for Applied Geoscience and Energy (IMAGE)

... techniques in desert terrains, transitioning from larger to smaller arrays, and suggests new directions for acquisition strategies to address speckle...

Trusted Geothermal Resource ABSTRACT Development and Production, (Including Induced Seismicity Associated with EGS Operations), #90128 (2011)

Barry Goldstein, Betina Bendall, Alexandra Long, Michael Malavazos, David Cockshell, David Love,

Search and Discovery.com

... to constructively influence corporate strategies and government policies (and programs) to commercialize vast geothermal plays efficiently, at maximum pace...

ABSTRACT Managing EGS Play Portfolios … Assessing Geologic Uncertainties, Resource Distributions and Economic Adequacy, #90128 (2011)

Barry Goldstein

Search and Discovery.com

... resources. A coherent portfolio approach is posed to constructively influence corporate strategies and government policies (and programs) to commercialize...

Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)

Tianfei Zhu

Search and Discovery.com

.... Complex-beam summation solution A complex-beam summation solution to the wave equation, which forms the basis of complex-beam migration, has been derived...

Stage-level hydraulic fracture width and height quantification through stochastic inversion of distributed fiber-optic strain sensing data

Yongzan Liu, Lin Liang, Smaine Zeroug

International Meeting for Applied Geoscience and Energy (IMAGE)

... be noted that we currently focus on the equivalent width summation and height estimation per stage, specifically pertaining to the fracture corridor...

Applications of PRMS Guidelines and SEC Rules: Coping with Ethical Conflicts in Organizations; #120007 (2009)

Mark A. McLane and Peter R. Rose

Search and Discovery.com

... by simple summation of the individual Project proved reserves. It is well established that such summation is mathematically illegitimate...

Conventional U.S. Oil and Gas Remaining to be Discovered: Estimates and Methodology Used by Shell Oil Company

R. A. Rozendal

AAPG Special Volumes

... of conventional U.S. oil and gas resources remaining to be discovered. The forecast is based on a summation of forecasts for 234 separate provinces...

The Interpretation of Gravity Anomalies

E. V. McCollum

Tulsa Geological Society

... sources considered separately. Since, as a direct consequence of Newton's Inverse Square Law, the summation of all measurable gravity effects is obtained...

Abstract: A fuzzy logic approach for detecting fractured zones with conventional well logs

Z. Huang, J. Shimeld, M. Williamson

Atlantic Geology

... summation equals one) gives an indication of fracture probability. This approach, iterated down the length of the borehole, produces a curve of fracture...

Red Wash Field, Uintah County, Utah

R. T. Brace

Utah Geological Association

... of water and oil. The effective sandstone isoliths shown on the field map are a summation of thicknesses of the various sand lenses. Generally...

Interferometry Application to Interpolate Missing 2D Seismic Data in Shot Gathers

Lily Suherlina, M.Yusup Nur Khakim, Hilman Mardiyan, Roy Baroes

Indonesian Petroleum Association

..., which is followed by summation over all shot gathers in seismic interferometry, produce virtual traces that will be used to fill gaps in data. First...

Deconvolution Using Matlab Script to Identify Fault-Seal

Maulana Hutama Rahma Putra, Irvan Rahadian Putra

Indonesian Petroleum Association

... the maximum/minimum for each response value. And yet, we can see in figure (6.a) is the RC value before the summation, and figure (6.b) is the RC value after...

Abstract: A fresh perspective on the middle Cambrian trilobites from Manuels River, Conception Bay South, Newfoundland, Canada

Rod S. Taylor

Atlantic Geology

... there to re-examine the middle Cambrian trilobite fauna found on the river. Preliminary efforts will include a summation of the previously published literature...

Abstract: 3D Seismic Characterization Of The Bell Canyon Reservoir Beneath The Massive Salt Dissolution Bed At The Geraldine Field, Delaware Basin, Tx, by H. Zhao and B. Curtis; #90928 (1999).

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ABSTRACT: Brunei Deepwater Exploration: Lateral Prediction of the Petrophysical Attribute EHC in Turbidites, by Erik van den Heuvel and Matthias Bruhl; #90913(2000).

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Abstract: Benefits of Dual-Sensor Acquisition for Arctic Marine Seismic, by S. Pharez and A. Dementjev; #90096 (2009)

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