Recent advances, road ahead: Acquisition, processing, and interpretation improvements in using land seismic data for QI

Christof Stork, James Corey Morgan

International Meeting for Applied Geoscience and Energy (IMAGE)

... more distorted data. The distorted signal is a type of coherent noise that does not stack out. The distortion is often consistent with surface...

Subsalt image optimization in the Gulf of Mexico combining sparse OBN and legacy streamer data

Hongyan Li, Ruoyu Gu, Jarrod Hutson, Di Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... with improved illumination. Considering the limited signal-to-noise ratio (SNR) of the sparse simultaneous OBN data, a different imaging condition was implemented...

Acquisition and processing of the first broadband 3D marine vibrator data in the North Sea

Arash JafarGandomi, Kara Howard, Sebastian Holland, Tiexing Wang, Sergio Grion, Thomas Elboth

International Meeting for Applied Geoscience and Energy (IMAGE)

...^2.s less energy compared to the legacy airgun acquisition. This affects the signal-to-noise ratio especially in the deeper parts (Figure 5b). The same...

Abstract: Case Study of Seismic Exploration in Complex Urban Areas; #91204 (2023)

Nie MT, Saif Al Mesaabi, Ye PP, Guo SL, Wei T, Su ZQ

Search and Discovery.com

... more attention to the reflection information and signal-to-noise ratio of the medium and deep target layer. However, when encountering a single...

Using Measurement Uncertainty to Calculate Reservoir Volumes and Reduce Risk in Prospects, #41324 (2014)

Garrett M. Leahy, Emma Howley, Wenxiu Yang, Arne Skorstad

Search and Discovery.com

... and the limited information seismic data has about vertical variations. A low signal-to-noise ratio (SNR) in the seismic data can also hinder interpretation...

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

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

GCAGS Transactions

... has a greater effect at high frequencies, as the random noise that is canceled by the SNC tends to preferentially dominate at the high end...

Physical Basis of Reflection Seismology

Bruce S. Hart

Special Publications of SEPM

... be visible . There is a "gray area", where our ability to detect a bed depends on things like the signal to noise ratio of the data, the type of wavelet used...

A frequency-dependent fluid prediction method based on a novel fluid indicator incorporating anisotropic effect and squirt flow

Tianjun Lan, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Petroleum Geologists Frequency-dependent fluid identification in anisotropic media methods (Zhao, 2023) to improve the signal-to-noise ratio of seismic...

Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array

Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk

Unconventional Resources Technology Conference (URTEC)

... wavefield modeling. The signal-to-noise ratio is a limitation of the current dataset, but recent improvements in DAS technology can enable stage-by-stage...

Identification of New Potential Source and Reservoir Rock of Early Jurassic Age, Supported with Basin Modeling and discussion of Exploration Constraints in the Northern Kirthar Range, Pakistan; #30262 (2012)

Syed Tariq Hasany, Nazir Ahmed, Mirza Ovais Baig

Search and Discovery.com

... and diffraction produced by dipping horizon and folded sub-surface bedding (reflectors). 2) Increase number of folds to enhance signal-to-noise ratio. 3...

Reservoir Architecture of an Incised Valley-Fill from the Nilam Field, Kutai Basin, Indonesia

Peter J. Butterworth, Peter Cook, Heru Dewanto, Martin Drummond, Ulrich Kiesow, Ian T. McMahon, Robert A. Ripple, Amalia Setoputri, F. Hasan Sidi

Indonesian Petroleum Association

... seismic data are not of sufficient resolution or signal-to-noise ratio to discern internal reservoir architecture such as depositional facies within...

Enhancing low frequencies in airgun arrays, analysis of various field tests

Susanne Rentsch, Edward Hager, Lauren Wing, Sebastian Holland

International Meeting for Applied Geoscience and Energy (IMAGE)

... rapidly below the fundamental frequency. To improve the signal to noise ratio for FWI input data, it is desirable to enhance the frequency output below 7 Hz...

Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding

Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... signal-to-noise ratio environments due to the noise-sensitive multi-channel system in such algorithms. In lateral constraint-based methods, model-driven...

Characteristics of Microzonation Modelling in Reservoir Evaluation

Search and Discovery.com

Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data

M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek

Indonesian Petroleum Association

... (Özdemir and Özbek, 2010) combines pressure and vertical velocity to deconvolve the ghost notches, guaranteeing the optimal signal-to-noise ratio...

Closing the Gap in Quantifying the Extension of Depletion: A Practical Workflow to Convert Analytical Fracture Half-Length to Actual Non-Uniform SRV

Vivek Muralidharan, Soodabeh Esmaili

Unconventional Resources Technology Conference (URTEC)

... along a lateral Microseismic Quality There could be uncertainty in the microseismic data quality and interpretations. Also, the signal-to-noise...

Measuring Hydrocarbon Gas Properties For Accurate Gas-In-Place Calculations For Unconventional Gas Reservoirs

Ashish Mathur, Safdar Ali, Mansoor Ali, Chad Belanger, Vivek R. Ravi

Unconventional Resources Technology Conference (URTEC)

... the NMR measurements had a signal-to-noise ratio of at least 100. Constant NMR porosity readings over a period of time at reservoir pressure...

Surface Seismic Monitoring of Hydraulic Fracturing Test Site (HFTS) in the Midland Basin, Texas

Abhash Kumar, Kevin Chao, Richard W. Hammack, William Harbert

Unconventional Resources Technology Conference (URTEC)

... events, we selected some high quality LPLD events with high signal to noise ratio and analyzed 4-minute long records of USNSN data spanning the arrival...

3D large residual static corrections based on first breaks in CMP gather

Feng Faquan, Deng Zhiwen, Cai Xiwei, Hu Chaojun, Huang Yuanyi, Zou Xuefeng, Du Zhongdong, Wang Haili, Wang Mingliang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... At the same time, there are often large picking errors caused by low S/N ratio or noise-contaminated seismic records in complex areas, which will distort...

Cascaded Sweeps- A Method to Improve Vibroseis Acquisition Efficiency: A Field Test

M. Benabentos, F. Ortigosa, N. Moldoveanu, P. Munoz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... a function of the signal-to-noise ratio in the area. For instance, if, based on evaluation of the harmonic energy in a certain area, it is considered nd rd...

Abstract: Borehole Vibration Response to Hydraulic Fracture Pressure; #90187 (2014)

Andy St-Onge, David W. Eaton, and Adam Pidlisecky

Search and Discovery.com

... are independent of any other signal or noise being recorded. Observed variation of the harmonic frequency appears to be temporaly related to frac-induced...

Reservoir Characterization of a Basin Floor Fan System Using Rock Physics to Integrate Seismic Amplitude and Well Data, Offshore Block 9, South Africa, #42350 (2019).

Mduduzi M. Mmema, Jorge I. Adrian,

Search and Discovery.com

... conditioned to remove multiples and improve signal-to-noise.  A soft sediment model for shales and intermediate stiff sediment for sand were sufficient...

Facies Mapping from Three-Dimensional Seismic Data: Potential and Guidelines from a Tertiary Sandstone-Shale Sequence Model, Powderhorn Field, Calhoun County, Texas

Hongliu Zeng , Milo M. Backus , Kenneth T. Barrow , Noel Tyler

AAPG Bulletin

... seismic amplitude and facies, and to achieve the best signal-to-noise ratio. The facies associated with the environments where main sandstones...

Integrated Seismic Processing challenges in Karstified terrain of PNG Fold Belt

Search and Discovery.com

Direct exact nonlinear resolution enhanced inversion for fluid modulus and porosity

Xiao Chen, Zhaoyun Zong, Yu Chen, Yushen Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... at noise free and the signal to noise ratio (SNR) of 5 using the innovative nonlinear resolution improved and traditional approaches. It is clear...