Three-dimensional joint inversion of seismic and gravity data using Gramian constraints and Gauss-Newton approach

Hao Zhu, Hongzhu Cai, Xinyu Wang, Ziang He, Lichao Liu, Xiong Xiong, Xiangyun Hu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Furthermore, the influence of environmental noise and limitations in observe data volume will inevitably induce significant non-uniqueness during...

Automated processing development at a CO2 site: Phase detection, location, magnitude

Jian Zhang, Kevin D. Hutchenson, Elige B. Grant, Paul A. Nyffenegger, Mark A. Tinker

International Meeting for Applied Geoscience and Energy (IMAGE)

... site-specific geophysical information and an understanding of the expected seismic signals. Optimally oriented beams suppress non-coherent noise as well...

Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform

Jeffrey E. Cole, Dennis M. Mann

Circum Pacific Council Publications

... as an artifact of noise. Where reflection time to the seafloor was less than 0.4 sec, tailored deconvolution procedures improved the quality of the stacked...

Autotracking Horizons in Seismic Records, by Satinder Chopra and Kurt J. Marfurt; #41489 (2014).

Search and Discovery.com

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...

Sparse Layer Inversion for Prestack Seismic Reservoir Characterization

Raisya Noor Pertiwi, Muhammad Alwi, Herlan Setiadi, Khairul Ummah

Indonesian Petroleum Association

... coherent, the relative value of the SLI reflectivity differs from the original data. One way to solve this problem is to perform an amplitude...

Regional detection and monitoring of injection-induced seismicity: Application to the 2010–2012 Youngstown, Ohio, seismic sequence

S. G. Holtkamp, M. R. Brudzinski, and B. S. Currie

AAPG Bulletin

... coherent signals within the background noise (Figure 4) because the signal from multiple seismic stations stacks coherently but the noise does not. Following...

Stepsize sharing in time-lapse full-waveform inversion

Xin Fu, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... by convergence differences between the baseline and monitoring inversions, as well as non-repeatable noise and non-repeatable acquisition geometries...

Integration of geology, rock physics, logs, and prestack seismic data for reservoir porosity estimation

Abdulaziz M. AlMuhaidib, Mrinal K. Sen, M. Nafi Toksoz

AAPG Bulletin

... CMPs are shown in Figure 11. The data residuals, both at the well and interwell locations, show a small level of incoherent and coherent noise...

Broadband 4D Seismic Provides New Level of Detail

Yulia Biryaltseva, Tor Vegar Mårdalen, Per-Harald Saure-Thomassen, Marta Wierzchowska, Anastasiya Tantsereva, Julien Oukili

GEO ExPro Magazine

... and streamer steering systems, allowed for high geometrical repeatability and deeper towing depths. This resulted in improved signal-to-noise ratio...

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...

Quantifying Confidence in Horizon-Picking, by Thang Ha and Kurt J. Marfurt; #41405 (2014).

Search and Discovery.com

Multiscale fault and fracture characterization methods

QiQi Ma, Taizhong Duan

International Meeting for Applied Geoscience and Energy (IMAGE)

...(Marfurt and Kirlin,1998), energy ratio (Chopra and Marfurt,2008), fault likelihood (Hale,2012), etc. This type of method has strong noise resistance...

Geological Input Valuable in Seismic Velocity Analysis, by Supratik Sarkar; #41118 (2013).

Search and Discovery.com

Application and Extension of Fine Fault Recognition Technology in Surrounding Area of Penglai 19-3 Oilfield, Bohai Bay Basin, Eastern China, #20436 (2018).

Xugang Ma, Donghong Zhou, Dingyou Lv, Dayong Guan, Hongguo Zhang

Search and Discovery.com

... out the research on the Penglai A structure in the east (Figure 3). It can be seen from the coherent slice (Figure 4) that in the shallow stratum...

Abstracts: Evidence of Shallow Gas in the Queen Charlotte Basin from Waveform Tomography of Seismic Reflection Data; #90173 (2015)

Eric M. Takam Takougang and Andrew J. Calvert

Search and Discovery.com

..., the preconditioning of the data consists of the removal of coherent noise using f-k filtering, and, amplitude balancing and scaling for 2-D wave...

Abstract: Supervirtual S-wave Refraction Interferometry for Converted Wave Statics and Near-Surface S-wave Velocity Model Building; #90224 (2015)

Kristof De Meersman and Yoones Vaezi

Search and Discovery.com

... suffers from interference by converted-wave energy (PS reflections) as well as significant amounts of coherent secondary source noise which...

Operator chains and seismic data decomposition

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

...fied linear unit (ReLU). In this paper, I explore the general idea of building operator chains out of elementary operators. An example application, where...

The application of simultaneous source technology to conventional acquisition

Ray Abma

International Meeting for Applied Geoscience and Energy (IMAGE)

... with that of the shot of interest. Treating the appropriately acquired conventional data as selfsimultaneously sourced allows removal of the noise from the previous...

Approximate yet essential: Advocating for a comprehensive seismic acquisition equation to guide single-sensor adoption

Andrey Bakulin, Ilya Silvestrov

International Meeting for Applied Geoscience and Energy (IMAGE)

... coherent noise in challenging land seismic scenarios. This encourages applying a similar methodology to evaluate the shift from arrays to single sensors...

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

... does not have the severe noise problems that overwhelm reflection data acquired on the karstified Darai Limestone. Swath seismic data has been...

Salt Delineation Using Vector Offset Output (VOO) of Full Azimuth Data

Yogesh Agnihotri, Qiaofeng Wu, Dekang Xu

GCAGS Transactions

... offset output (VOO) is often used for post-migration image enhancement in complex subsalt areas to reduce the coherent noise in the data and improve...

Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)

Kristof De Meersman

Search and Discovery.com

... S-wave noise. The lack of clear S-wave reflections is a consequence of the source not emitting S-wave energy vertically. The coherent first break S-wave...

Recent Exploration in PEPs 109 and 110, Onshore Gippsland Basin

S. R. Greaves

Petroleum Exploration Society of Australia (PESA)

... and in array . Frequency spectra and signal to noise levels were com• parable between the two models of vibrators. Shallow data above 0.2 seconds appear more...

Abstract: Seismic Stratigraphy of the Winedale Prospect: Updip Wilcox Trend - Onshore Texas Gulf Coast

Allen Huckabay

Houston Geological Society Bulletin

... that coherent energy above 50 Hz was preserved and relatively noise free down to the depth of the reservoir. A wide band pass (i.e. 12-75 Hz) was therefore...