Enhance Seismic Quality With A Fast, Robust and Economic Solution Using Broadband Technology

Munji Syarif, Vania Iqsora, Adde Avrino, Agus Abdullah

Indonesian Petroleum Association

... into the dataset after inverse Kirchhoff migration application. After some iterations, forward Kirchhoff migration and multi spatial time-variant...

Evaluation of the Effectiveness of Displacement of Oil by High-Pressure Gas Under Commercial Conditions

L. I. Shitikov

Petroleum Geology: A Digest of Russian Literature

... stratum be opened in a non-filtering solution or using local flushing; b) the well be equipped with a special valve which opens only at the moment...

Deconvolution Using Matlab Script to Identify Fault-Seal

Maulana Hutama Rahma Putra, Irvan Rahadian Putra

Indonesian Petroleum Association

... (2011) has made the book of guidelines to make a processing procedure in the Matlab environment. Spiking deconvolution can be used as filtering process...

Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)

John C. Bancroft

Search and Discovery.com

... their effect on the cross correlation and subsequent filtering. Alternative methods of recovering the wavefield prior to the cross-correlation are also...

AAPG Archie Series, No. 1, Chapter 10: Modeling Log Responses in Thinly Bedded Reservoirs

Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia

AAPG Special Volumes

...: earth models, forward and inverse modeling, the types of forward models and the methods of inversion that are useful in thin-bed analysis. Specific...

Seismic image resolution enhancement with limited-well datasets using deep learning

Son Phan, Haibin Di, Wenyi Hu, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... algorithms, such as the spectral whitening (Lee 1986), deconvolution (Oldenburg 1981; Wang et al. 2020), or inverse Q filtering (Irving and Knight 2003; Yuan...

Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique

Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu

Unconventional Resources Technology Conference (URTEC)

... filtering method is applied to filter the random noises identified in a gather and between gathers respectively. By computing the structure tensor...

OBN up/down-going wavefields separation in dual-tree complex wavelet domain

Zhang Libin, Wang Wei, Zou Zhen, Li Yifan, Chen Zhigang, Wang Kebin

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity model is hardly suited for complex seafloors and subsurface structures. F-K domain velocity filtering can be used for shear wave attenuation...

Detailed Oriented Seismic Processing Leads to More Accurate Elastic Attribute Results in the Delaware Basin

Marianne Rauch-Davies, Steve Smith, Alyona Bashkirtseva Hall

Unconventional Resources Technology Conference (URTEC)

..., which is some empirical relationship between elastic properties to be used in solving the inverse problem, Kemperl, M., et al, 2014. Assumption...

Traveltime tomography and efficient physics-informed Bayesian inversion

Tian Qiao, George Turkiyah, Gerard T. Schuster

International Meeting for Applied Geoscience and Energy (IMAGE)

... this physics-informed Bayesian inversion to VSP traveltime data. The tomogram is computed with the assistance of an analytic inverse, and the posterior...

A Robust Gradient for Long Wavelength FWI Updates

Jaime Ramos-Martinez, Sean Crawley, Kathy Zou, Alejandro Valenciano, Lingyun Qiu, Nizar Chemingui, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... a nonlinear inverse problem by matching modelled seismic data to recorded field data. The matching is quantified by the residuals of a least-squares...

Algorithm Comparison with Cross Sections: Appendix A

David E. Hamilton, Thomas A. Jones

AAPG Special Volumes

.... The weights may be inverse-distance, but inverse-distance raised to a power (commonly 2) or other functions of distance are also used. It is rare...

-- no title --

user1

Search and Discovery.com

... is to generate the trend line of gas-bearing sandstone based on the amplitude influence factor of coal layers. The inverse distance weighting algorithm is used...

Abstract: Improving Temporal Resolution of Land Seismic Data with a Stabilized Inverse Q-Filter; #90254 (2016)

Abdullah M. Alshangiti, Peter Pecholcs, Rienk Lakeman, Mohammad Bannagi

Search and Discovery.com

...Abstract: Improving Temporal Resolution of Land Seismic Data with a Stabilized Inverse Q-Filter; #90254 (2016) Abdullah M. Alshangiti, Peter Pecholcs...

Parsimonious Deconvolution

Jon F. Claerbout

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the effect of filtering the innovations with some unknown filter bt. The output of the filter may or may not be combined with some additive noise ut before...

Accelerometer vs. Geophone Response: A Field Case History

Search and Discovery.com

... or ground displacement. Once we have acquired the geophone data, inverse filtering with 2 ∂ 2U 1 2λωω 0 − i (ω 0 − ω 2 ) = VG , kG ω ∂t 2 gives ground...

Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field

C. R. Willingham, A. S. Wylie Jr., D. J. Underwood

Pacific Section of AAPG

... solution. Noise analysis Inverse earth filtering deconvolution Use of ray trace model to discriminate signal from noise Noise rejection...

An approach for three-dimensional quantitative carbonate reservoir characterization in the Pampo field, Campos Basin, offshore Brazil

Danilo Jotta Ariza Ferreira, and Wagner Moreira Lupinacci

AAPG Bulletin

... and inverse Q filtering (Lupinacci et al., 2017). The curvelet filtering decomposes the data into several panels with different scales and orientations...

Preliminary Interpretation of Short-Wavelength Magnetic and Gravity Anomalies on the Southern Ute Indian Reservation, Southwestern Colorado

Michael W. Webring

Rocky Mountain Association of Geologists

... wavelength because of the lack of stations between profiles; but when several maps with different filtering parameters are compared, common features emerge...

Finite Difference Modeling: Part II: How to clean numeric time dispersion

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... wavefield at frequency . Finally, an inverse Fourier transform gives the temporally dispersionfree wavefield in time. Digital Filtering Mittet (2018...

Generating a New Approach for Continuous Reservoir Model Updating: Non-Gaussian Priors & Nonlinear Data Functions in EnKF (Paper P17)

S. Forghany, A. A. Asgari, T. Behrouz

Geological Society of Malaysia (GSM)

... and since it is known as an inverse problem, a Bayesian framework is suitable for finding a solution. A Bayesian framework for stochastic reservoir...

Abstracts: Footprint Removal with Co-ordinate Rotation; #90173 (2015)

Mark Ng and Ye Zheng

Search and Discovery.com

...., SW, Calgary, AB, Canada, T2P 0R3 [email protected] and Ye Zheng [email protected] Summary Some of the effective footprint removal filtering...

Fusion of Airborne Gravity and Magnetic Images for Improved Detection of Structural Control; #41550 (2015)

Hassan Hassan, John Peirce

Search and Discovery.com

... the inverse wavelet transform to obtain the fused image. 4. Filter the resulting image and interpret for structural control. Results The final fused gravity...

S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY

Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO

Ohio Geological Society

... to variations primarily in the implementation of the source and near surface geology. Inverse filtering again is a solution...

Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil

Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas

International Meeting for Applied Geoscience and Energy (IMAGE)

...) (Lecomte, 2008) and its inverse can be approximated by a bank of nonstationary matching filters (Guitton, 2004). Nowadays, the image domain least-squares...