A method of relative impedance holography-inversion based on reflection coefficient inversion

Jiangfeng Zheng, Jialin Sun, Zongyu Zhen, Shaoxuan Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... Castagna et al. proposed the reflection coefficient inversion method, which can inverse the formation reflection coefficient directly by the seismic data...

Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)

R. Malcolm Lansley and Peter Maxwell

Search and Discovery.com

... in travelling through the ground. The -12-dB roll-off inherent in geophone design can be corrected for by inverse filtering; see Figures 3 & 4...

Abstract: Inverse scattering Internal Multiple Prediction on Physical Modeling Data; #90174 (2014)

M. Hernandez, K. Innanen, and J. Wong

Search and Discovery.com

...Abstract: Inverse scattering Internal Multiple Prediction on Physical Modeling Data; #90174 (2014) M. Hernandez, K. Innanen, and J. Wong AAPG...

Least Square Q-Kirchhoff Migration: Implementation and Application

Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang

Petroleum Exploration Society of Australia (PESA)

... LSQPSDM. In contrast to standard least squares Kirchhoff migration, in our approach the inversion is approximated by inverse Hessian filtering to give...

ABSTRACT: The Gulf of Mexico as Global Analogue: a Comparison of AVO and Energy Absorption with the South Caspian Basin, by P. Ware, M. Yang, K. Wrolstad, K-S. Zou, S. Zaman, and R. Cooper; #90941 (1997).

Search and Discovery.com

Abstract: 3-D Surface-wave estimation and separation using an iterative closed-loop approach; #90254 (2016)

Tomohide Ishiyama, Gerrit Blacquiere

Search and Discovery.com

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

Restoring High Resolution in Surface Seismic Data

Search and Discovery.com

Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)

Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux

Search and Discovery.com

... the possibility of further partial stacking improvements using filtering and modelling characteristic estimations in FWI. Introduction Full Waveform...

Ultrasound reverse time migration for human brain imaging

Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... filtering is clearer, which does not work for the high-contrast skull. Comparing figure 3(b) and (f), the inverse scattering imaging conditions based...

Data processing workflow for reflections from cement-formation interface in ultrasonic pitch-catch measurement in cased hole

Shaopeng Shi, Hua Wang, Meng Li, Aihua Tao

International Meeting for Applied Geoscience and Energy (IMAGE)

... to enhance the detection of TIE waves in pitch-catch measurement. The workflow consists of three modules: filtering, interface auto-picking...

Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area

M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust

International Meeting for Applied Geoscience and Energy (IMAGE)

... modeling these elastic effects is costly and methods like FK-filtering might damage the data while removing the noise, especially if the guided waves...

AVO-preserving seismic data interpolation by orthogonal polynomial decomposition and mathematical morphological filtering

Yanxin Zhou, Yangang Mo, Junzhou Liu, Dajian Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

...AVO-preserving seismic data interpolation by orthogonal polynomial decomposition and mathematical morphological filtering Yanxin Zhou, Yangang Mo...

Reflection waveform inversion regularized with structural constraints and scattered data interpolation

Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the reflection angle and is limited to the vicinity of the reflection interface, resulting in reduced structural filtering capabilities when moving away...

What Is Deconvolution?, by Robert E. Sheriff, #40132 (2004).

Search and Discovery.com

Abstract: 5D Interpolation of Seismic Data with Combination of MWNI and POCs Algorithm; #90187 (2014)

Jianhua Pan, Gerry Schlosser, Elvis Floreani, and Robert Tilson

Search and Discovery.com

..., an inverse Fourier transformation of the results of the data with the threshold applied, and finally the reinsertion of the values of the original...

Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea

Yu Xiong, Cai Li, Yongqiang Yao, Shaoxuan Li, Lei Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

...Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea Yu Xiong, Cai Li...

Spatial Analysis of Basement and Cover Linears by Optical Diffraction - Methods, Results, and Interpretation

Howard J. Pincus, Thomas W. Doe

Utah Geological Association

.... Filtering can suppress dominant alignments so that obscure features are more easily studied, and can aid in analyzing complicated distributions...

Pre-drill Reservoir Evaluation Using Passive Seismic Imaging

Charles Sicking, Jan Vermilye, Ashley Yaner

Unconventional Resources Technology Conference (URTEC)

... and cannot be easily modeled. These noises are suppressed using the trace filtering workflow that includes cepstral filtering and low cut frequency...

Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta

J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis

AAPG Bulletin

... and suspension (Fig. 11). The output in the distance domain can then be ascertained by using the inverse Fouri r transform. Filtering in Distance Domain...

Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)

Todor I. Todorov, Gary F. Margrave

Search and Discovery.com

... of the earth, the seismic signal is not stationary. Margrave (1998) presented the theory of the nonstationary linear filtering, which is a better approximation...

Abstract: Time-varying Wavelet Estimation and Deconvolution; #90171 (2013)

Mirko van der Baan

Search and Discovery.com

... was an employee of the University of Leeds when the majority of this work was done. References Berkhout, A. J., 1977, Least-squares inverse filtering...

Understanding Basement Controls on Basin Development: Constraints from Gravity and Magnetic Data.

Duncan R. Cowan, Linda A. Tompkins, Terry Tyler

Indonesian Petroleum Association

... anomalous fields have similar wavelength contents, therefore, pre-filtering is usually required. Separation or layer filtering allows the effects of shallow...

A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition

Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... include FK filtering, radon transform and median filtering. The presence of noise impedes effective separation of these methods and affects the fidelity...

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)

... properties because they enable faster convergence to geologically plausible solutions by enforcing a priori model distributions in inverse problems...

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 University of Texas at Austin. Tatham, R.H., 1989. Tau-p filtering, in Tau-p: A plane wave approach to the analysis of seismic data, ed. P.L. Stoffa...