Research and application of seismic data regularization technology for complex surface in western China

Qigang Zhou, Weiming Liu, Huan Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., lack of near offset data and low signal-to-noise ratio of data. This paper studies the application of five-dimensional data regularization technology...

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... with the energy loss of a reflection reduce the signal-to-noise ratio. The noisy oil field environment is also a limiting factor for surface seismology...

Construction and Analysis of Three-Dimensional Seismic Porosity Inversion Models

Hongliu Zeng

AAPG Special Volumes

... significantly deteriorating signal-to-noise ratio. More accurate and finer scale seismic mapping of reservoir parameters is achieved from model-based...

Elastic Wave Seismic Interpretation of Heavy-Oil Reservoirs

Search and Discovery.com

... be especially important. Zhang (2007) demonstrated that the cold production of foamy oil will decrease the VP/VS ratio. These two studies suggest that we...

Spectral Decomposition Helps Define Channel Morphology, by Rongfeng Zhang; #41272 (2013).

Search and Discovery.com

Critical Depth Uncertainty Analysis for Accurate Well Planning at Tangguh

Nurfiana Rachmawati

Indonesian Petroleum Association

..., signal to noise ratio and the reflector continuity (Figure 1). Despite those improvements, the CBM data still could not distinguish the Jurassic Top...

Abstract: Efficient Broadband Marine Acquisition and Processing for Improved Resolution and Deep Imaging; #90172 (2014)

Ed Kragh, Tim Brice, Tony Curtis, Josef Heim, Deepak Kapadia, Morten Svendsen

Search and Discovery.com

... as fewer streamers are required. The data are combined in processing, optimizing the signal-to-noise ratio over the entire bandwidth. The resulting data...

Using Reflected Phases to Improve Depth Resolution of Microseismic Source Locations from Single-Well Observations

James Rutledge, Nobukazu Soma

Unconventional Resources Technology Conference (URTEC)

... is implemented in a relative mapping technique where a subset of high signal-to-noise ratio (SNR) events are more accurately mapped by including...

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

... that is selected from within the shot gather based on high signal to noise ratio. This step removes the source effect, and converts traces to zerophase. New...

Increasing signal-to-noise ratio of borehole image logs using convolutional neural networks

Mustafa A. Al Ibrahim, Mokhles M. Mezghani

International Meeting for Applied Geoscience and Energy (IMAGE)

...Increasing signal-to-noise ratio of borehole image logs using convolutional neural networks Mustafa A. Al Ibrahim, Mokhles M. Mezghani Increasing...

A method of attenuating bubble effect based on frequency domain filter

Yifei Xiao, Jianguo Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... will produce bubble effect. The bubble effect reduces the resolution and signal-to-noise ratio of the seismic data. Therefore, it is necessary to suppress...

First arrival enhancement by statics preserving filtering using surface-consistent constraints

Alejandro Quiaro, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of morphology, and strong topography change heavily affect the signal-to-noise ratio (SNR) of the first arrivals. Some approaches to solving the first...

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... picks deep in the section, particularly if the signal-to-noise ratio is poor. Such picks will adversely effect the analysis if they are used...

Research on buried hill fracture prediction based on sweet spot attributes of gradient structure tensor in dominant frequency band

Min Gong, Bo Wang, Lin Wang, Rui Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... processing. This effectively improves the signal-to-noise ratio of the target layer data and enhances the seismic imaging effect of the fracture zone...

Chapter 10-part 3: 3-D Depth Image Interpretation

William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel

AAPG Special Volumes

... at the carbonate and salt interfaces and can contribute significantly to a low signal-to-noise ratio in the seismic image. Another type of unwanted reflection...

Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)

Waheduzzaman Talukder and Ralph Phillip Bording

Search and Discovery.com

... signal-to-noise ratio in data at higher frequencies. In this study two different methods, spectral ratio (SR) and centroid frequency down shift (CFD...

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

... and boundary between reflector. BASIC THEORY Seismic Data and Processing The main goals of seismic data processing is to enhance the signal to noise ratio...

Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)

Michael Thornton, Mike Mueller, and Leo Eisner

Search and Discovery.com

... challenges in surface monitoring are: 1) increased distance between event hypocenter and receiver reduces signal size, 2) increased noise levels...

Enhancing Resolution and Improving Imaging: The New Dual-Sensor Seismic Streamer

Natasha Hendrick, Andrew Long, Rune Tenghamn

Indonesian Petroleum Association

...-ghosted seismic data exhibit a greater frequency bandwidth and a greater signal-to-noise ratio than can be obtained using conventional streamers. The new...

Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration

Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao

Indonesian Petroleum Association

... a noticeable improvement in frequency bandwidth and signal to noise ratio over previous data. At reservoir level, the improved resolution allows more...

A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

..., and lower significantly the signal to noise ratio. In addition, the Bekapai seismic image suffers from strong push down caused by the combined effect...

AVO Analysis and Simultaneous Inversion of Spec Survey Data in Arafura Sea

Feby Hapsari, Irfan Saputra, John Coffin, Liyanto

Indonesian Petroleum Association

... Class 3 AVO Anomaly. Figure 6 - Super Gather Process increase the Signal to Noise ratio in seismic data, and the Angle Gather showing Class 3 AVO Anomaly...

Imaging challenges at Gulf of Papua (PNG) and their solutions through high-end imaging technology

Zongying Gong, Subhash Chandra, Xiaodong Wu, Yajing Li, Min Zhi, Michael Szczepaniak, Barry Hung

Petroleum Exploration Society of Australia (PESA)

... was applied to attenuate the low-frequency noise. A reasonable signal-to-noise ratio can be seen for data from 5Hz, which was used as the starting...

4-D Seismic: A Powerful New Technology for Monitoring Steam Movements in Duri Field-Central Sumatra

S. D. Jenkins, M. F. Bee, J. H. Lyle, E. Murhantoro

Indonesian Petroleum Association

... necessary to record data with the highest signal to noise ratio and resolution possible for the Duri area. Velocity holes and small refraction surveys...

Abstract: Seismic Data Acquisition Instrumentation Advances

Ian T. McMahon

Geological Society of Malaysia (GSM)

... the field. This will include all aspects of data quality: signal-to-noise ratio, bandwidth, timing, statics and positioning. Warta Geologi, Vol.17, No.4...