Abstracts: Automatic P-wave Arrival Time Picking Method for Seismic and Microseismic Data; #90173 (2015)

Jubran Akram

Search and Discovery.com

... that produces reasonably accurate results when tested on real microseismic dataset comprising of eight receivers with good and poor signal to noise ratio...

Feature template based nonlinear time difference correction for first break automatic picking

Chao Ning, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... but poorly on new data. However, in complex mountainous areas, the first break picking not only faces the challenge of low signal-to-noise ratio but also...

Multi-information intelligent decision process for first-break picking

Fei Luo, Lanlan Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... statistical measures. These methods are suitable for high signal-to-noise ratio data and can quickly and stably pick traveltime. Multi-trace picking...

ABSTRACT: Structural Filter

Dong Liu

Houston Geological Society Bulletin

... with Offset (AVO) while removing random noise. During the filtering process the data’s Signal to Noise ratio can be significantly diminished if the filter...

Research and application of shallow surface wave prediction attenuation in dual complex mountainous exploration areas

Xinyue Song, Zaijin Zhang, Yi Bao, Cheng Wang, Zhonghua Zhao, Yangyang Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Daqing Oilfield Company Ltd. CNPC. Summary The signal-to-noise ratio of data in mountainous areas with complex topography conditions and structures...

Different Approaches of Combining Geophone and Hydrophone Data From OBC Seismic at Bintuni-Berau Bay, Papua

Tepy Septyana, Yayat Supriatna, Supriyono, Greg Schurter, James Keggin, Jean-Jacques Chameau

Indonesian Petroleum Association

...). Since the highest signal to noise ratio is generally achieved by CMP stacking, the post stack domain was suggested as the optimal stage for PZ...

Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... the signal-to-noise ratio and achieving the goals set for reservoir characterization exercises. While coherent noise is usually handled during processing...

Abstract: Enhancing the Signal-To-Noise Ratio of Sonic Waveforms by Interferometric Stacking; #90255 (2017)

Ali Aldawood, Ibrahim Hoteit, Abdulrahman Alshuhail, Abdullatif Al-Shuhail

Search and Discovery.com

...Abstract: Enhancing the Signal-To-Noise Ratio of Sonic Waveforms by Interferometric Stacking; #90255 (2017) Ali Aldawood, Ibrahim Hoteit, Abdulrahman...

Abstract: A Generic Procedure for Noise Suppression in Microseismic Data; #90187 (2014)

Yessika Blunda and Kit Chambers

Search and Discovery.com

... in microseismic data processing which enhances signal to noise ratio, enabling accurate interpretation or picking of microseismic wave’s arrivals...

Abstract: Basin-Level First Arrival Tomographic Inversion Near-Surface Modeling and Key Technologies; #91210 (2025)

Liansheng Liu, Chunlan Xing

Search and Discovery.com

... adopted by a growing number of oil companies. However, basin-level near-surface modeling faces challenges such as low signal-to-noise ratio (SNR...

Abstract: A Method to Determine Acquisition Equivalency, by Richard Hastings-James and Peter van Baaren; #90077 (2008)

Search and Discovery.com

Surface Source Technology

Stan D. Brasel

Pacific Section of AAPG

... of dynamite and high velocity surface sources but what is the difference in the noise spectra, and hence the signal-to-noise ratio of production...

Geoscience Integration and Interpretive Model Building to Overcome Seismic Imaging Problems in Foothills Environments; #41547 (2015)

Rob Vestrum

Search and Discovery.com

... for time and depth migration. With low fold in the near surface, low signal-to-noise ratios on the image gathers, and complex horizon geometries...

Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).

Yong Hua, Don C. Lawton

Search and Discovery.com

.... The results of the major approaches on statics, signal to noise ratio enhancement, and migration are illustrated. Seismic Data Description The seismic line...

Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)

Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng

Indonesian Petroleum Association

... the following major challenges (Figure 2): 1. Poor signal to noise ratio; preventing the interpreter from picking reliable horizon within the area of interest 2...

Australian Insights into Streamer Technology Innovations

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... the overwhelming signal-to-noise ratio across al l frequencies and improvements in deep target image clar ity d iscussed below. for all TWT provides...

Abstract: White Noise Suppression in the Time Domain … Part II; #90174 (2014)

Patrick Butler

Search and Discovery.com

... functions (about 6.4x noise reduction). Signal is lost when the S/N ratio is about 30 dB (Figure 1). This result may be enhanced by applying smoothers...

The Use and Misuse of the Nonlinear Vibroseis Method for the Acquisition of High Resolution Seismic Data: ABSTRACT

Kenneth L. Hargrove

AAPG Bulletin

... an improved signal-to-noise ratio at the higher frequencies. In general, the sweep time is reduced in the lower frequencies and increased in the higher...

Abstract: A Regional Erosion Surface and its Effect on the Smackover Reservoir-Seal System Along the South Arkansas–North Louisiana Jurassic Shelf

Ezat Heydari and Lawrence R. Baria

Houston Geological Society Bulletin

... with enhanced high-frequency attributes and a high signal-to-noise ratio clearly depicts linear, 1- to 2-mile-long buildups of porous marine bars...

Confirming Reservoir Geometry and Exploration Opportunity through 5D Interpolation PSDM in The Sub-ophiolite Zone, Banggai Sula Basin, Central Sulawesi

Mufied Ahmad, Dadang Ramdan, Yudi Herdiana, Abdullah Nurhasan, Arif Budi Mulyawan

Indonesian Petroleum Association

... information for PSDM reprocessing. It is however located below an ophiolite layer when signals are very weak. To improve the signal to noise ratio...

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

... the uninverted velocity model. Deconvolution was used prior to stacking to enhance the signal-to-noise ratio. Compare to Figure 5. VELOCITY ANALYSES Figure...

Abstract: Generating More Robust Geometric Attributes by Preconditioning Seismic Data with 5D Interpolation; #90224 (2015)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... of seismic data improves the signal-to-noise ratio of the seismic data by removing spatial noise or enhancing the coherency and alignment of the reflection...

Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea

Yu Xiong, Cai Li, Yongqiang Yao, Shaoxuan Li, Lei Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Improving the signal-to-noise ratio of seismic data is the primary task of seismic data processing. In practical research, many algorithms for suppressing...

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

... and of general low signal-to-noise. Supervirtual refraction interferometry is a new technique that can dramatically improve the signal-to-noise ratio...

Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey

Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham

Indonesian Petroleum Association

... of these complexities is poor overall seismic response, very low amplitude or near invisible target reflections, very low signal-to-noise ratio (S/N), poor imaging...