Applying Machine Learning Technologies in the Niobrara Formation, DJ Basin, to Quickly Produce an Integrated Structural and Stratigraphic Seismic Classification Volume Calibrated to Wells

Carolan Laudon, Jie Qi, Yin-Kai Wang

Unconventional Resources Technology Conference (URTEC)

... the rejected noise. The filtering process produces additional volumes, namely Inline Dip, Crossline Dip, and Similarity Total Energy which are required...

Massive focal mechanism solutions from deep learning in west Texas

Yangkang Chen, Omar M. Saad, Alexandros Savvaidis, Fangxue Zhang, Yunfeng Chen, Dino Huang, Huijian Li, Farzaneh Aziz Zanjani

International Meeting for Applied Geoscience and Energy (IMAGE)

... but are susceptible to polarity-picking errors and noise levels (Liu et al., 2020). The waveform-based methods are picking-free but are still sensitive...

Seismic interpolation based on quadratic denoising neural network

Yuhan Sui, Xiaojing Wang, Jianwei Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... for seismic interpolation rely on the mathematical cost function and different assumptions, such as local linear events (Spitz, 1991), low-rank assumption...

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

... the convolutional algorithm. The qualitative comparison nicely illustrates the filtering of geologic information in seismic data and its further degradation...

Orbital Forcing Cyclostratigraphy of Miocene Formation in the South of Albert Rift,Uganda

Search and Discovery.com

Do Moment Tensors Flip During Hydraulic Completions?

Adam Baig, Sepideh Karimi, Benjamin Witten, Aaron Booterbaugh

Unconventional Resources Technology Conference (URTEC)

... to increase signal-to-noise ratios by the square root of the number of stations when all coherent noise is removed, which creates diminishing returns...

Fault and Fracture Detection in Unconventional Reservoirs: A Utica Shale Study

Hesham Refayee, Hardeep Jaglan, Steve Adcock

Unconventional Resources Technology Conference (URTEC)

... and enhances the lateral continuous seismic events by filtering the noise along the structural dip using median statistics. However, the DSMF application...

2-D and 3-D Prestack Depth Migration for Complex Geologic Structures Offshore Indonesia

M. Murphy, R. Ottolini, R. Estill, E. Lumadyo, M. Mathias

Indonesian Petroleum Association

... by f-k filtering, dip moveout correction (DMO), and poststack time migration and filtering. The 2-D seismic data were problematic in two areas: noise...

Chapter Eight: Horizon and Formation Attributes

Alistair R. Brown

AAPG Special Volumes

... of them are noise. Coherent noise in the seismic data intersects the horizon under study and causes steps that can look like faults. Hesthammer...

Seismic Reservoir Characterization of the Abadi Gas Field, Masela PSC Block, West Arafura Sea, Eastern Indonesia

Shinji Matsuura, Shin Saito, Yoshiro Ishii, Hiromi Honda, Ayato Kato, Takao Yagi

Indonesian Petroleum Association

... of inverted EI from modeled EI is significant in near-offset, EI (6-degree) and this is considered to be caused by significant coherent noise problems...

Abstract: Receiver Function Analysis of Crustal and Upper Mantle Stratigraphy Across the Western Superior Province; #90172 (2014)

Morounkeji Olaleye, Andrew W. Frederiksen

Search and Discovery.com

... approach (using inter-trace regularization constraints) to improve the signal-to-noise ratio. The receiver function data show indications of crustal...

Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada

M. W. Lee, T. S. Collett, W. F. Agena

AAPG Special Volumes

... interval, 100 ft (30 m); and number of groups, 96 with split spread. To preserve relative true amplitude, suppress coherent noise, and increase...

Application of Wide-Azimuth 3-D Seismic Attributes to Predict the Microfractures in Block MA Area for Shale Gas Exploration in South China

Yusheng Zhang, Gang Yu, Xing Liang, Li Jiang

Unconventional Resources Technology Conference (URTEC)

... and obtaining high signal-to-noise ratio (S/N) raw seismic data, conducting prestack denoising, fidelity amplitudepreserved processing, precise velocity...

Abstract: Post-stack Seismic Geomorphology of Bakken Shale using Spectral Decomposition, Curvature and Waveform Facies Analysis …Southern Alberta Study; #90224 (2015)

Valentina Baranova, Azer Mustaqeem, Steven Foster, and Elvis Floreani

Search and Discovery.com

... only. Seismic amplitudes provide clue to thickness of sand, while linear filtering and dip-steering provides indicators of shore-face beach berms...

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

... of Australia is the presence of strong multiple noise trains that often mask or interfere with the primary reflectors. Besides the strong waterbottom and peg...

Handling high-resolution borehole dips in a reservoir implicit structural modeling workflow

A. P. Ossere Ebindza, J. Renaudeau, S. Xue, L. H. Liew

International Meeting for Applied Geoscience and Energy (IMAGE)

... (see Figure 2). To give an order of magnitude, a single dip constraint corresponds to three more linear equations (Renaudeau, 2019), and borehole...

Effects of Seismic Reprocessing on Selected Seismic Attributes: A Case Study in the Permian Basin

Joel Anthony T. Famini, Kurt J. Marfurt, E. Charlotte Sullivan

West Texas Geological Society

... results in low internal reflectivity and correspondingly low signal-to-noise ratios. Seismic attributes including coherence, dip azimuth, and amplitude...

Strike Oriented, Swath Seismic and Its Potential Application to Exploration and Development in the Papuan Fold and Thrust Belt

William F. Robinson IV

Papua New Guinea (PNG) Petroleum Convention Proceedings

... to erosion and karstification. The geologic beds on the hinteriand flank of structures dip perpendicuiar to the swath iines. This geometry means that the swath...

Seismic Studies in the Church Rock Uranium District, Southwest San Juan Basin, New Mexico

William T. Phelps, Robert S. Zech, A. Curtis Huffman Jr.

AAPG Special Volumes

... recovery, first-break muting, deconvolution, and filtering procedures were performed. Amplitude recovery consisted of two steps, a linear gain function...

Seismic Exploration for Stratigraphic Traps: Geophysical Exploration Methods

Paul L. Lyons, M. B. Dobrin

AAPG Special Volumes

... to extend the present limits of resolution, such noise is very difficult to eliminate by any means other than frequency filtering, which would cut out...

Abstract: Pitfalls in Prestack Inversion of Merged Seismic Surveys; #90239 (2015)

Sumit Verma, Shiguang Guo, Thang Ha, and Kurt Marfurt

Search and Discovery.com

... linear move out to approximately flatten the ground roll phases, estimate the dip about this reference move out, and compute coherence within...

Comparison of seismic resolution enhancement techniques: Spectral extrapolation vs spectral balancing

Charles I. Puryear

International Meeting for Applied Geoscience and Energy (IMAGE)

... on high resolution well tie). Finally, structural filtering, an effective technique for removing noise along reflectors, was implemented using a dip-guided...

An integrated workflow centered around elastic FWI for complex subsalt imaging using wide-azimuth data in the southern Gulf of Mexico

Hongyan Li, Riaz Alai, Nolan Brand, Frederico Xavier de Melo, Hugo Enrique Muñoz Cuenca, Wenmiao Liu, Iestyn Williams, Saeeda Hydal, Khaled Abdelaziz, Emmi Sanchez Vargas, Nik Nur Halim C Soh, M Shah B Sulaiman, Sandeep Kumar

International Meeting for Applied Geoscience and Energy (IMAGE)

... enhancement was performed after the full construction of the earth model to attenuate residual coherent noise that interferes subsalt primary response...

Geophysical Techniques Used in Petroleum Exploration in the Ying Ge Hai Area, Zhanjiang, SW Guangdong Province, China

L. William Edwards

Circum Pacific Council Publications

.../peak gain after stack"" 1 Other + Multi-channel Coherent Noise Filter Before stack 1 After stack (various trace windows)" " + Time var. spectral...

Tiltmeter Mapping and Monitoring of Hydraulic Fracture Propagation in Coal: A Case Study in the Warrior Basin, Alabama

George A. Gazonas, Chris A. Wright, M.D. Wood

Rocky Mountain Association of Geologists

... whether a group of error vectors across an array are in some fashion coherent, spatially low frequency, or are spatially random (measurement noise...