The deblending processing of multi-well 3D DAS-VSP data in the Middle East

Fei Li, Gang Yu, Haibo Liu, Jiawen Song, Yanbin Zhang, Yuanzhong Chen, Tiankui Yin, Jianxin Han, Qingfeng Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...; an α-Trimmed vector median filtering method has also been proposed to suppress the interference of adjacent shot, which can better preserving...

A gradient-free Bayesian full-waveform inversion approach for background model uncertainty quantification

Shuhua Hu, Zeyu Zhao, Fuchun Gao, Faqi Liu, Shuo Zhang, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the high-dimensionality of the inverse problem, MCMCbased Bayesian FWI is facing with issues in computing efficiency. To tackle this problem, we...

Application of petroleum systems analysis to resource assessments

Lukasz Krawczynski, Martin Neumaier

International Meeting for Applied Geoscience and Energy (IMAGE)

... distribution of the existing discoveries as an analogue input, results in a mean volume of 475 mmbbl of STOIIP. Filtering the column height distribution...

Abstract: Push the Limits of Seismic Resolution Using Surface Consistent Gabor Deconvolution; #90171 (2013)

Xinxiang Li and Darren P. Schmidt

Search and Discovery.com

... for simplicity. Equations of the form (3) for all available traces construct a classic linear inverse problem (Wiggins et al, 1976) that can be solved using...

Abstract: 5D Interpolation and Regular Upsampling: Ill-suited or Fit-for-purpose?; #90187 (2014)

Mike J. Perz and Peter W. Cary

Search and Discovery.com

.... On the other hand, there are two factors driving the algorithm towards success: first, simple wavenumber filtering can overcome this assumption...

On Traction-Carpet Sedimentation

Y. K. Sohn

Journal of Sedimentary Research (SEPM)

... the thickness of a moving traction carpet. Inverse grading can be produced in the collisional region by the vertical gradient of dispersive pressure...

Use of SEISLOG for Basin Evaluation and Field Development

R. C. Mummery

Geological Society of Malaysia (GSM)

... FOR BASIN EVALUATION AND FIELD DEVELOPMENT 153 The inverse model uses the seismic reflection coefficients to derive velocity using the relationship...

Seismic inversion with implicit neural representations

Juan Romero, Wolfgang Heidrich, Nick Luiken, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the 33rd International Conference on Machine Learning, PMLR, 1050–1059 [ISSN: 1938-7228]. Goupillaud, P. L., 1961, An approach to inverse filtering...

Abstract: Development of Inverse Grading in Grain Flows, by A. H. Sallenger, Jr.; #90968 (1977).

Search and Discovery.com

Abstract: Inverse Problem Theory: An Application to Stratigraphic Inversion

Emmanuelle Becker

Geological Society of Malaysia (GSM)

...Abstract: Inverse Problem Theory: An Application to Stratigraphic Inversion Emmanuelle Becker 208 INVERSE PROBLEM THEORY: AN APPLICATION...

An efficient L-BFGS-based approach to estimate the uncertainty of full-waveform inversions

Yongbo Zhai, Xin Cheng, Robert Bloor, Denes Vigh, Zhen Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

... is used to derive the optimal solution, and the inverse Hessian matrix is approximated as the solution approaches the maximum a posterior (MAP) model...

3D deblending for marine towed-streamer data

Yangkang Chen, Min Zhou, Ray Abma

International Meeting for Applied Geoscience and Energy (IMAGE)

..., there have existed many different approaches, but these methods can be mainly divided into two categories: filtering-based approach (Huo et al., 2012...

Vector denoising of multicomponent seismic data based on quaternion weighted nuclear norm minimization

J. J. Gao, X. Wang, Y. H. Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the quaternion data and apply the QWNNM algorithm for lowrank filtering to suppress random noise. Finally, we use synthetic 3C-2D data and OBS field...

Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)

Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles

Search and Discovery.com

... to the non-linearity of the inverse problem, success in waveform inversion is dependent on acquiring both low-frequency data and on initial low...

3-D Surface-Wave Estimation and Separation Using an Iterative Closed-Loop Approach; #41898 (2016)

Tomohide Ishiyama, Gerrit Blacquiere

Search and Discovery.com

..., the approach solves the inverse problem. We applied this method to several data sets to demonstrate its virtues, such as real 3D geophone/hydrophone...

Gravity Geophysical Analysis of Spring Locations in a Karstic Desert Basin, Cuatro Cienegas Basin, Coahuila, Mexico

Brad D. Wolaver, John M. Sharp Jr., Juan M. Rodriguez

GCAGS Transactions

..., Preliminary results from a shallow, high-resolution seismic survey and potential field data filtering near Devil's Hole at Ash Meadows, Nevada...

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

... this issue, Tarantola (1984b) estimated subsurface reflectivity by solving a linear inverse problem, which is known as least-squares migration (LSM...

Abstract: Different Flavors of the Marchenko-Equation-Based Internal Multiple Elimination Methods: the Trade-off between Fidelity, Computational Cost and Ease of Use; #91204 (2023)

Marcin Dukalski, Chris Reinicke

Search and Discovery.com

... which can impact the interpretation. In such cases, the conventional methods such as the inverse scattering series (ISS) or the Jakubowicz method...

Abstract: Early Syndepositional Fault Control in a Deep-Water Channel-Overbank System: Implications for the Interpretation of Inverse Grading, by M. Dykstra and F. Gamberi; #90090 (2009).

Search and Discovery.com

Q-compensation imaging of anisotropic viscous quasi-acoustic media along wavefield propagation path

Bohan Zhang, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2002, A stable and efficient approach of inverse Q filtering: Geophysics, 67, 657–663, doi: https://doi.org/10.1190/1.1468627. Zhang, B. H., and H...

A novel vector PP imaging condition for elastic reverse-time migration

Bingkai Han, Weijian Mao, Xiao-Bi Xie

International Meeting for Applied Geoscience and Energy (IMAGE)

... PP imaging noises. But explicit angle-domain wavefield decompositions influence its computational efficiency. On the other hand, the inverse scattering...

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... inverse term G AEGC 2018: Sydney, Australia g  [G ( p )T G ( p ) ]1 G ( p )T in equation 9 relates the deviation of the data 2 Δd  [d  g (m(P...

Diagenesis of Mixed-Layer Clay Minerals in the South Timbalier Area, Gulf of Mexico

Matthew W. Totten, Mark Dixon, Mark A. Hanan

GCAGS Transactions

... separations consisted of filtering the less than 10 μm pan fraction with a 0.45 μm acetate filter, then washing the material off the filter into a 50 ml...

Machine Learning-Based Imputation of Bottom Hole Temperature for Enhanced Geothermal Resource Assessment in the US and Canada

Peace C. Eze, Alex Blizzard, Rajashree Kumkar, Cesar Velasquez, Travis Hagler

GCAGS Transactions

... spatial and depth-related variations in BHT values. Preprocessing A crucial preprocessing step involves filtering the dataset to include only BHT values...

A sliding box automatic relocation method based on geometric-mean reverse-time migration

Tong Bai, Zhendong Zhang, Malcolm C. A. White, Hongrui Qiu, Paul Williamson, Nori Nakata

International Meeting for Applied Geoscience and Energy (IMAGE)

...; Yang et al., 2018) and the PS-imaging condition becomes Figure 1: (a) Acquisition map showing two-phase stations (inverse triangles) and selected 280...