Abstract: Variable Depth Streamer Acquisition: Enhancing Interpretation with Broadband Marine Seismic; #90174 (2014)

R. Soubaras, R. Dowle, and R. Sablon

Search and Discovery.com

... an exceptionally good signal-to-noise ratio, especially at low frequencies. We will demonstrate the benefits of technique to enhance seismic...

Three-Dimensional Seismic Analysis in the Characterization of a Giant Carbonate Field, Onshore Abu Dhabi, United Arab Emirates

Peter Melville, Omar Al Jeelani, Saeed Al Menhali, Jürgen Grötsch

AAPG Special Volumes

... of the longer offsets available to the stack at target level and hence provided better multiple discrimination and improved the signal-to-noise ratio...

Seismic Investigation of a Surface Collapse Feature at Weeks Island Salt Dome, Louisiana

Richard D. Miller, Jianghai Xia, Richard S. Harding, James T. Neal, John W. Fairborn, Don W. Steeples

Environmental Geosciences (DEG)

... on selected unprocessed field files (Figure 4). The signal-to-noise ratio of this data set is very good and allows confident identification of the prominent...

Use of Dipmeter Data in Clastic Sedimentological Studies (1)

C. HOCKER , K. M. EASTWOOD , J. C. HERWEIJER , and J. T. ADAMS

AAPG Bulletin

... are not to be expected with sedimentary dips. Consequently, the signal-to-noise ratio of CSB output is satisfactory only under optimum conditions (high...

Kurau: An Example of the Low-Relief Structural Play in the Malacca Strait Psc, Sumatra, Indonesia.

Sunu H. Praptono, Rovicky Dwiputro, Ian M. Longley, Richard W. Ward

Indonesian Petroleum Association

... returns and virtually no ground roll. Bigger charges created noise. Full fold cover: 48 fold from a 96 trace system improved both signal/noise...

Summary of Geophysical Exploration in the Delaware Basin

S. T. Miller

West Texas Geological Society

... which aids in increasing the signal to noise ratio. Since the geometry of the spread differs for each depth point, the noise will be random and more...

Key Features of TEM and EM-IP Investigations in South-East Asia (Paper P45)

Y. A. Agafonov, I. V. Bouddo, I. V. Egorov, M. M. Salleh

Geological Society of Malaysia (GSM)

... led to a strong signal distortion (Fig.3B). To improve the signal to noise ratio, different algorithms for summing and averaging the signal...

Abstract: AVO Crossplotting II: Examining Vp/Vs Behavior; #90171 (2013)

Heath Pelletier

Search and Discovery.com

... to consider during the interpretation of crossplots is the signal-to-noise ratio (S/N) issues which tend to broaden the intercept and gradient (I/G...

Abstract: Time-lapse Seismic Modeling of CO2 Sequestration at Quest CCS Project; #90187 (2014)

Shahin Moradi and Don C. Lawton

Search and Discovery.com

... be detected in the seismic data after a year of injection, providing the data have good bandwidth and a high signal-to-noise ratio. Introduction Carbon...

Application of Borehole Imaging to Evaluate Porosity and Permeability in Carbonate Reservoirs: from Example from Permian Basin

D.V. (Vivek) Chitale, Clive Johnson, Hunter Manley, David Entzminger, and Lyn Canter

Search and Discovery.com

..., the Xtended Range Micro-Imager (XRMI) with improved signal to noise ratio and expanded dynamic range, was able to generate very high resolution...

Dim Spots in Seismic Images as Hydrocarbon Indicators, by Alistair R. Brown, #40514 (2010).

Search and Discovery.com

One-Dimensional Prestack Seismic Inversion with Very Fast Simulated Annealing using Edge-Preserving-Smoothing Filter; #41576 (2015)

Somanath Misra, Mauricio Sacchi

Search and Discovery.com

... and more accurate estimation of model parameters. The algorithm is stable over a reasonable level of signal-to-noise ratio. The uncertainty analysis...

The Seismic Exploration of the Mahakam Delta, or "Nine Years Shooting in Rivers, Swamps and Very Shallow Offshore"

Guy Roux

Indonesian Petroleum Association

... meters, shooting in the water provides much better records than shooting in a drilled hole. The Signal to Noise Ratio is higher and the frequency spectrum...

Seismic Stratigraphic Framework of an Early Cretaceous Sand Lobe at the Slope of Southern Loppa High, Barents Sea, Norway, #30230 (2012)

Nauman Sattar, Christopher Juhlin, Nadeem Ahmad

Search and Discovery.com

...” for seismic stratigraphic interpretation because of its higher frequency content and good signal to noise ratio. This survey covering part of southern...

Abstract: How to Improve Location Accuracy When Dealing with Artifacts in Microseismic Event Locations; #90187 (2014)

N. Verkhovtseva

Search and Discovery.com

... thin layers with very high velocities do not have any sufficient effect on arrival times while they can cause errors in the event locations if modeled...

Reservoir Characterisation Through Integrated AVO, AI and EI Inversion

Andy Furniss

Indonesian Petroleum Association

... in Poisson's ratio across the interface. He also demonstrated how to use this anomalous effect to directly infer the presence of hydrocarbons from...

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... (1982), we selected four adjacent common midpoint gathers from line 11 over flat, sedi­ ment-free seafloor, summed them to increase the signal to noise...

Causes and Appearance of Noise in Seismic Data Volumes, by Satinder Chopra and Kurt J. Marfurt; #41476 (2014).

Search and Discovery.com

Complete detection of small earthquakes uncovers intricate relation between injection and seismicity

Yangkang Chen, Alexandros Savvaidis, Omar M. Saad, Daniel Siervo, Dino Huang, Yunfeng Chen, Iason Grigoratos, Sergey Fomel, Caroline Breton

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Texas (with the highest picking accuracy when tested independently on the Texas dataset). We leverage an advanced deep learning architecture called...

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

.... Then a number of filtering processes are carried out to strengthen the seismic data signal and the amplitude of seismic waves and eliminate noise...

Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)

Xiaogui Miao

Search and Discovery.com

... processing, the velocity ratio gamma (Vp/Vs) is estimated from C-wave data, and the S-wave velocity (Vs) is then derived from Vp and gamma. Therefore, errors...

Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database

Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza

Unconventional Resources Technology Conference (URTEC)

... liquid flows. This capability is largely due to its impressive signal-to-noise ratio and high spatial and temporal resolution, enabling the measurement...

Well Log Analysis and Seismic Attenuation in a Heavy Oilfield: Ross Lake, Saskatchewan; #20294 (2015)

Zimin Zhang, Robert Stewart

Search and Discovery.com

... the levels were calculated using a 500ms window on down-going P and down-going shear-waves respectively. Considering the signal-to-noise ratio, frequency...

From geophone arrays to point receivers: Implications for sensor and land survey design

Nicolas Goujon, Tom O’Toole

International Meeting for Applied Geoscience and Energy (IMAGE)

... sensors has lower signal-to-noise ratio (SNR) than that acquired using geophone arrays due to noise attenuation in the array. However, the benefits...

Vibroseis and Dynamite Comparison as Seismic Energy Source in North Sumatra

M. E. Gregg, B. E. Mackenzie, A. Patria

Indonesian Petroleum Association

... generated noise. The amplitude of weak signal arrivals is down more than 60 dB from the strong ground roll. In comparison, Vibroseis generated source noise...