Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... that is based on the Pre-Stack Time Migration (PSTM) algorithm. The method is fast compared to conventional FWI techniques in forward and inverse iterations...

Abstracts: A Decomposition of RP into Contributions from single-parameter Reflectivities; #90173 (2015)

Kristopher A. Innanen

Search and Discovery.com

... parameters. A forward/inverse series framework leads to an alternative approach to this type of decomposition. The first order terms in the decomposition...

Abstract: Statics Preserving Sparse Radon Transform; #90224 (2015)

Nasser Kazemi

Search and Discovery.com

... attenuation in the presence of statics. Introduction By now it is well known that Radon transform operator is not orthogonal. Forward and inverse...

Field Observations and Geochemical Analysis of Laterally Continuous Aragonite Veins: Insight into Ancient Fluid Travel, #50887 (2013)

Elizabeth A. Horne, James P. Evans, Dennis Newell, Niko Kampman, Steven Nelson, Elizabeth S. Petrie,

Search and Discovery.com

... ‰ SMOW 4.5 sample grouping record changes in 15 Proposed Source 2/7 2/6 2/5 2/2 2/1 2/3 2/4 9 Slope = 2.30 ssin De ga 8 Inverse...

Finding a Better Path to Impedance Inversion; #41722 (2015)

Amit Kumar Ray, Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... weights calculated on the basis of inverse distance, and similarly extrapolates away from the well control. When quality checks are performed...

Predicting ground surface deformation induced from CO2 plume movement using machine learning

Ibrahim M. Ibrahim, Saeed Salimzadeh, Dane Kasperczyk, Teeratorn Kadeethum

Australian Energy Producers Journal

... storage, greenhouse gas emissions, ground surface deformation, inverse analysis, machine learning surrogate model, tiltmeters. Introduction Accepted: 15...

The Use of Magneto-Telluric Surveying as a Risk Reduction Tool for Hydrocarbon Exploration in the Papuan Foldbelt

J. K. Bennett, M. Parish

Papua New Guinea (PNG) Petroleum Convention Proceedings

.... The interpretation of MT data involves transform­ ing the variation of apparent resistivity with fre­ quency, to a true resistivity versus depth model...

Volume Fractions of Lithologic Units Deposited per Geologic Epoch in the Cenozoic, Keathley Canyon and Walker Ridge, Deepwater Gulf of Mexico: Part 1„Sand, Shale, and Siltstone

Sharon Cornelius, Peter A. Emmet

GCAGS Journal

... continuously decreased while during the same time period, the volume fraction of shale has increased. Sand volume fractions appear to have an inverse...

PWD-PINN: Slope-assisted seismic interpolation with physics-informed neural networks

Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the aliased spectrum. 2. inverse transform the filtered spectrum to get a low frequency alias-free version of the aliased data. 3. estimate the PWD slope from...

Abstract: Barrier overwash and washover sedimentation Aspy Bay, Cape Breton Island

D. L. Forbes, R. B. Taylor, D. Frobel

Atlantic Geology

.... The thickness of individual sedimentation units ranges from order 10° to 10 1 mm. Some units appear to exhibit inverse textural grading consistent...

Machine learning inversions incorporating geologic information through variational autoencoder and physics-based neural network

Yaoguo Li, Taqi Alyousuf, Andy McAliley

International Meeting for Applied Geoscience and Energy (IMAGE)

...-inverse operator contained in the network. However, this strategy is unlikely to become feasible for geophysical inversion applications, particularly...

Simultaneous inversion of velocity and reflectivity for enhanced seismic imaging

Yang Yang, Sriram Arasanipalai, Nizar Chemingui, Neil Paddy, Nicholas Montevecchi, David McCallum

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the gradient based on inverse scattering theory, enabling the sensitivity kernels to update the corresponding velocity and reflectivity with minimum crosstalk...

Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin

Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju

International Meeting for Applied Geoscience and Energy (IMAGE)

... technology is not the inverse of Born forward modeling, but its conjugate. Because the field acquisition and imaging processing are affected...

Abstract: Dolomitization Patterns in Paleozoic of Williston Basin, by Alan C. Kendall; #90971 (1976).

Search and Discovery.com

Evidence of a Permian Megatsunami Generated by the Guadalupian Bell Canyon Rader Slide

John D. Pigott, Travis W. Moreland, John S. Hornbuckle, Kulwadee L. Pigott, Fengyan Shi

West Texas Geological Society

... problem. This investigation attempts to perform a solution of the inverse problem based upon observations from the Permian. The Bell Canyon Rader...

Fast and efficient structure-oriented preconditioning with on-the-fly dip estimation

Rodrigo Felicio Fuck, Lorenzo Casasanta

International Meeting for Applied Geoscience and Energy (IMAGE)

... parameters determining the linear transform, which are on each window given by Introduction Preconditioners are key when estimating subsurface...

Interpretation and development of top-surface grid in subsurface ground profile using Inverse Distance Weighting (IDW) method for twin tunnel project in Kenny Hill Formation

Mohd Faiz Mohammad Zaki, Mohd Ashraf Mohamad Ismail, Darvintharen Govindasamy, Mohd Hazreek Zainalabidin

Geological Society of Malaysia (GSM)

...Interpretation and development of top-surface grid in subsurface ground profile using Inverse Distance Weighting (IDW) method for twin tunnel project...

A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

... the Radon transform, Geophysics, 1992. Matson, K., Paschal, D. and Weglein, A.B., 1999. A comparison of three multiple-attenuation methods applied...

Nonlinear time difference detection based on template matching and its denoising applications

Rongwei Xu, Bo Feng, Huazhong Wang, Chengliang Wu, Zhenbo Nie

International Meeting for Applied Geoscience and Energy (IMAGE)

... the similarity between the current point and the template wavelet. The inverse problem suggests that, for the series, the cumulative similarity along...

ABSTRACT: Thermal Evolution of Graptolite and Solid Bitumen Composition at High Maturity under Natural and Artificial Conditions

Jianyang Song, Paul C. Hackley, Margaret M. Sanders, Aaron M. Jubb, Qingyong Luo

The Society for Organic Petrology (TSOP)

... and experimental sample suites. Spectral properties Raman band separation (RBS) and G-band full-width at half-maximum (G-FWHM) exhibited robust positive and inverse...

Abstract: Fission track research in Halifax, Nova Scotia: technical procedures and research directions in a changing fiscal environment

A. M. Grist, M. Zentilli, M. Graves, M. Collins

Atlantic Geology

... determines La, Ce, Nd, Nb, Y, and Sr, which can be used in provenance studies. Modelling is done using Sean Willett's (Penn State University) inverse...

Abstract: Cathodoluminescence Differentiates Sedimentary Organic Matter Types

Paul C. Hackley, Ryan J. McAleer, Aaron M. Jubb, Brett J. Valentine, Justin E. Birdwell

The Society for Organic Petrology (TSOP)

... correspondence, with certain exceptions which are potentially related to radiolytic alteration. Fluorescence and CL intensity also displayed an inverse...

Abstract: Thermal history of the external Humber Zone, western Newfoundland, as constrained by apatite fission track modelling: implications for hydrocarbon exploration and evolution of the Maritimes basin

Glen S. Stockmal, Dale R. Issler, Art Slingsby

Atlantic Geology

... for apatite is 60 to 120°C; therefore, the technique is very useful for petroleum exploration. Using an inverse model to fully assess the range ofpossible time...

Efficient Bayesian full-waveform inversion using a deep convolutional autoencoder prior

Shuhua Hu, Mrinal K Sen, Zeyu Zhao, Abdelrahman Elmeliegy, Shuo Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... University INTRODUCTION As a large-scale inverse problem, full waveform inversion (FWI) (Lailly et al., 1983; Tarantola, 1984) can be formulated...

Problem of the Use of the Ammonia-Nitrogen Coefficient as an Index of Gas Productivity of Structures

N. Ye. Chupis

Petroleum Geology: A Digest of Russian Literature

..., there is an inverse relationship between contents of nitrogen and ammonia in the subsurface waters. See Fig. 1. Figure 1. Relationship between contents...