Analysis of geologic structures using deep sonic imaging

Nobuyasu Hirabayashi, Leon Dahlhaus, Rajeev Kumar, Jeroen Jocker, Erik Wielemaker, Manish Lal Khaitan, Charles Naville

International Meeting for Applied Geoscience and Energy (IMAGE)

..., a matched filter (Hirabayashi et al., 2022) is applied to attenuate flexural waves and deconvolve chirp source signals. F-k and the coherent signal...

Dip and Azimuth Determination in 3D CRS-Stack

A. Hendriyana, M. Jaya, R. Sule, A.D. Guntara

Indonesian Petroleum Association

... Fresnel zone. By averaging those traces from the same reflection area into a stack trace, signal-to-noise ratio is improved by reinforcing coherent...

Research on buried hill fracture prediction based on sweet spot attributes of gradient structure tensor in dominant frequency band

Min Gong, Bo Wang, Lin Wang, Rui Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... research. Firstly, dominant band filtering and structural-guided filtering are used to improve the signal-to-noise ratio of seismic data and enhance...

Structural Curvature versus Amplitude Curvature, #41012 (2012)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... windows along previous estimates of structural inline and crossline dip. To minimize the negative impact of noise on such computations, we favor...

Advances in Seismic Fault Interpretation Automation, by Randolph Pepper and Gaston Bejarano, #40170 (2005).

Search and Discovery.com

Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana

V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin

GCAGS Transactions

... the frequency content. The structural noise cancelation uses dip-steering in order to eliminate noise along reflectors using a median smoothing filter...

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... for suppressing high velocity linear noise and lessening back scattered energy. Other filtering options are available. Warla Geologi, Vol. 21, No.6, Nov-Dec...

Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica

S. V. Dadisman, H. F. Ryan, D. M. Mann

Circum Pacific Council Publications

... primary reflection events (Fig. 4 A ) . To overcome this problem, the velocity analysis was enhanced by first dip-filtering the CDP-gathered data using...

Full Use of Dipmeter Data for Geocellular Property Modeling in the McMurray Formation, Alberta

Search and Discovery.com

Abstract: Utilizing Seismic Attributes for Machine Assisted Fault Detection and Extraction; #91204 (2023)

Muhammad Khan, Yasir Bashir, Saleh Dossary, Syed Ali

Search and Discovery.com

.... Initially, noise cancellation is applied to remove coherent and random noise (from acquisition footprints and serrations along reflectors respectively...

Tulip Field 3D Coil Shooting Survey„Preliminary Data Processing Results

Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng

Indonesian Petroleum Association

... onboard. The remaining noise was addressed once the data reached the onshore processing center. A number of applications of diversity filtering in both...

Multiscale fault and fracture characterization methods

QiQi Ma, Taizhong Duan

International Meeting for Applied Geoscience and Energy (IMAGE)

...; (.)f represents filtering along the fracture strike and dip direction. The main steps of attribute fusion include: (1) Under the condition of large...

Abstract: Curvelet Denoising: Application to Crustal Reflection Data; #90171 (2013)

Jounada Oueity, Vishal Kumar, Ron Clowes and Felix Herrmann

Search and Discovery.com

...., Hadidi, M. T., and Soroka, W. L., 2008, Coherent and random noise attenuation using the curvelet transform: The Leading Edge, 27, 240–248. AAPG Search...

Land seismic multi-parameter FWI imaging

Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing

International Meeting for Applied Geoscience and Energy (IMAGE)

... removal (adaptive notch filtering), despiking, refraction static corrections, linear noise removal, random noise removal, surface-consistent...

Abstract: Interesting Directions Being Pursued in Seismic Curvature Attribute Analysis; #90187 (2014)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

.... If the seismic data have some type of coherent noise masking the reflection data, dip filtering is used to suppress it, before attribute computation. Figure 1...

An integrated machine learning-based fault classification workflow

Jie Qi, Carolan Laudon, Kurt Marfurt

International Meeting for Applied Geoscience and Energy (IMAGE)

..., crosscutting coherent noise, and sharpen the discontinuities. Then, we compute the fault probability volume by using a CNN model that was pre-trained by 3D...

A High-Resolution Seismic Survey to Image the Top of Salt at Avery Island, Louisiana

Dawn Standridge, Cathy Bishop, Gary Kinsland, Robert Schneider, Laura Serpa

GCAGS Transactions

... processing such as f-k filtering, trace mixing, and migration can generate coherent events in the data that have no basis in the geologic geometry...

Recursive DIP for seismic random noise attenuation

Yun Zhang, Benfeng Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...Recursive DIP for seismic random noise attenuation Yun Zhang, Benfeng Wang Recursive DIP for seismic random noise attenuation Yun Zhang*, Benfeng...

Effectiveness of dip-in DAS observations for low-frequency strain and microseismic analysis: The CanDiD experiment

David W. Eaton, Yuanyuan Ma, Chaoyi Wang, Kelly MacDougall

International Meeting for Applied Geoscience and Energy (IMAGE)

... as the microseismic events, numerous coherent noise events with symmetrical linear moveout were observed in close proximity to the FDIs. The results...

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)

... artifacts and local coherent noise on dip calculation is effectively mitigated by extracting the fundamental reflection structure from the migration...

Fit For Purpose Integrated Structural Identification Using Azimuthal Monopole Sonic Waveforms and Vertical Seismic Profiling: The First Case Study From The Vertical Unconventional Well in North Sumatera Basin - Indonesia

Erfandi Adhiansyah, Annisa Nur Mahdiya, Murthala Hatta, Irma Eliza, Barry Albert Lumankun

Indonesian Petroleum Association

... of the workflow detects the reflected arrival. Basically, in a premigrated filtered wavefield the process searches for any linear coherent features according...

High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach

Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal

Indonesian Petroleum Association

...) processing was performed infield on the raw single-sensor data to take advantage of the linear nature of this noise energy when the data...

Application of Integrated Geophysical Techniques to Characterize the Edwards Aquifer, Texas

Charles B. Connor, Stewart K. Sandberg

Bulletin of South Texas Geological Society

... of related Hankel transforms of order 0 and 1 by adaptive digital filtering, Geophysics 44: 1287–1305. Batiza, R., and J.D.L. White, 2000, Submarine...

Three-Dimensional Seismic Volume Visualization of Carbonate Reservoirs and Structures

Jose Luis Masaferro, Ruth Bourne, Jean Claude Jauffred

AAPG Special Volumes

... filtering was applied to improve signal-to-noise ratios and suppress random noise to obtain a better reflection definition. Combined volume dip...

Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data

Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer

Environmental Geosciences (DEG)

...).An f-k filter was used to remove coherent linear noise (Yilmaz, 1987), in the case of this data set, ground roll or surface waves. Figure 6 shows a shot...