Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique

Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu

Unconventional Resources Technology Conference (URTEC)

... inversion. URTeC 2153634 2 (a) (b) (c) Figure1 The problems on pre-stack gathers (a)Non-continuous events and low signal-to-noise ratio caused...

A Case Study on the Challenges Overcome in the Merge of Seven On-Shore 3-D Surveys of Varying Acquisitions in Huila Department, Colombia

Henry Maldonado, Timothy Brooks, Lilia Maria Saavedra, Gilbert Gutierez, Albeiro Saavedra, Peter Watterson

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... the acquisitions and the subsequent impact on the final signal to noise ratio. In this particular project, there was a very great change in the signal...

Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014)

Neda Boroumand and Henry Bland

Search and Discovery.com

...Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014) Neda Boroumand and Henry Bland AAPG Datapages/Search and Discovery...

New Insights into the Deep-Water Otway Basin - Part 1. Integrated Depth Imaging Workflows Unravelling the Subsurface

Si Ying Lee, Bee Jik Lim, Arwindran Anantan, Alexander Karvelas

Australian Petroleum Production & Exploration Association (APPEA) Journal

... seismic data to achieve a broader useable signal bandwidth and improve the signal-to-noise ratio. The enhanced low-frequency component was crucial...

Broadband Seismic Technology and Beyond: Part VIII: BroadSeis in Exploration

Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth

GEO ExPro Magazine

.... Conventional marine streamer acquisition usually lacks sufficient signal-to-noise ratio in the 2–7 Hz bandwidth due to streamer depth, streamer tow noise, source...

Abstract: Benefits of Hydrophones for Land Seismic Monitoring; #90172 (2014)

Eric Forgues, Estelle Rebel

Search and Discovery.com

... the best data quality: a) they are free of shear wave, b) they present a better Signal to Noise ratio (20dB gain), c) they show better repeatability...

Survey Design Optimization by Data Simulation

Search and Discovery.com

Enhancing Vertical Seismic Resolution with Seismic Frequency Restoration and Attributes; #42156 (2017)

Luis Vernengo, Eduardo Trinchero, Maximillian Garcia Torrejon, Ignacio Rovira

Search and Discovery.com

... seen on the right could result in somewhat lower signal-to-noise ratio, but the data helps in facilitating horizon picking through the volume...

Horizontal Wave Testing, by Bob Hardage, #40502 (2010).

Search and Discovery.com

True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)

M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin

Indonesian Petroleum Association

... attenuation, low signal-to-noise ratio; ‐ Multiples in shallow-water conditions; ‐ Imaging distortions under the faults (faultshadowing or/and fault-mode...

Using Depletion-Zone Microseismicity to Understand Producing Volumes

Jonathan P. McKenna, Michael H. Grealy, Michael S. Blaz, Nathan M. Toohey

Unconventional Resources Technology Conference (URTEC)

... (r) and size/quality of the events (Signal to Noise Ratio (SNR)). Figure 1shows a plot of all three variables for all stages of the stimulated pad...

Frequency-dependent seismic-stratigraphic and facies interpretation

Hongliu Zeng

AAPG Bulletin

... is considered high in the signal:noise ratio. However, the noise issue cannot be ignored in the general application. As in conventional seismic interpretation...

Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences

John Miller and Roland von Huene

AAPG Special Volumes

... trace. This increases the signal-to-noise ratio by a factor of N where N = number of traces summed together (fold). 6. Scaling--applies a time-varying...

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)

... as coherent noise and signal arriving from directions other than the beam main response axis (MRA). The overall effect is to increase the coherent...

Comparison Analysis of Amplitude Variation With Offset (AVO) With Energy-Weighted AVO (EAVO) on The Bagus Acasia Structure, Jatibarang Field, North West Java Basin

Alif Fikri Haikal, Agung Dwi Alfianto, Bayu Dwijatmiko, Eddy Hartantyo

Indonesian Petroleum Association

... is in the Baturaja Formation. Furthermore, the pre-conditioning gather process is carried out to increase the signal to noise ratio of the seismic data. This stage...

Comparison of Multi Azimuth 3D Survey With Conventional Single Azimuth Survey in a Complex Geological Area

Andrea Bergamaschi, Michele Buia

Indonesian Petroleum Association

... and to enhance the signal-to-noise ratio (S/N) of good reflectors, allows a milder and more frequency friendly anti-multiple solution. Of particular note...

Abstract: DAS-VSP Application in Complex Structure of Western China; #90319 (2018)

Zhidong Cai, Gang Yu, Yanpeng Li, Yixin Jin, Yanhua Wang

Search and Discovery.com

... application effect in complex structure area in western China. But due to the low signal-to-noise ratio of DAS data, DAS-VSP can’t take the place...

3D Seismic Acquisition Design in a Volcanic Environment Using Simple 2D Dynamic and 3D Static Seismic Acquisition Method Analysis in the North West Java Basin

Adib Banuboro, Gilang Wiranda, Agung Adi Susanto, Alpius Dwi Guntara, Dwa Desa W, Firman Syaifuddin

Indonesian Petroleum Association

... it (Klaner,2013). In this environment, seismic acquisition parameters should be determined in order to obtain good data with a high signal to noise ratio. Seismic...

Seismic Acquisition and Processing

Bruce S. Hart

Special Publications of SEPM

... of interest and to help boost the signal-to-noise ratio . This the e will be e phasized throughout this chapter . To be a good interpreter, one needs...

Application of high-end seismic imaging technologies for field development in NWS Australia

Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li

Petroleum Exploration Society of Australia (PESA)

...nd high signal-to-noise ratio is achieved after the full de-multiple workflow is applied. Hybrid FWI and Tomography Velocity Model Building Flow F...

Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)

Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli

Search and Discovery.com

... random value to introduce sporadic ”white” perturbation into the model. The final signal-to-noise ratio was set to 3.6. The imaging of source parameters...

Abstract: Importance of Pre-Frack Site Surveys and Broadband Seismometers to Microseismic Monitoring; #90174 (2014)

N. Ackerley and N. Spriggs

Search and Discovery.com

...-to-noise ratios. The question is whether the signal to be measured is larger than the noise, and by how much. Method The ground motion due to an event...

Abstract: Resolution and Location Uncertainties in Surface Microseismic Monitoring; #90174 (2014)

Michael Thornton

Search and Discovery.com

... signal-to-noise-ratio (SNR) at the surface does not generally allow detection of signals in the unstacked data (e.g., Zhebel et al., 2010). Migration based...

The Application of an Improved Deconvolution Method Based on Mixed-Phase Wavelet Estimation for Thick Reservoir Connectivity Analysis

Search and Discovery.com

Filling the Inversion GapŽ Without Well Data: Multi Level Sources and Streamers Help Improve Inversion

Martin Bayly, Dominic Lowden, Bruce Webb, Ed Kragh

Indonesian Petroleum Association

... of around 12dB improvement in signal-to-noise ratio below 10Hz while retaining all the high frequency information of the shallow spread. Processed...