Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)

Rajesh Vayavur and Andrew. J. Calvert

Search and Discovery.com

... which are highly dispersive in nature. We show that, it was possible to obtain a reasonable P-wave velocity model by careful preconditioning of the data...

Combining Pore Architecture and Sonic Velocity Response to Predict Reservoir Quality: An Example from a Mid-Continent Mississippian Carbonate, #10547 (2013)

Beth Vanden Berg, Michael Grammer, Gregor Eberli, Ralf Weger

Search and Discovery.com

...Combining Pore Architecture and Sonic Velocity Response to Predict Reservoir Quality: An Example from a Mid-Continent Mississippian Carbonate, #10547...

Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon

Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware

International Meeting for Applied Geoscience and Energy (IMAGE)

... imaging efforts, lacks well calibration, and does not fit well the geological model The resulting seismic image suffers from the velocity issues...

Abstract: Magnitude, Scaling, and Spectral Signature of Tensile Microseisms; #90224 (2015)

David W. Eaton

Search and Discovery.com

... constrained, P- and S-wave spectral corner frequencies can be used, in principle, to estimate rupture velocity, source radius and stress-drop...

Time-lapse monitoring of saltwater disposal in Kansas and Oklahoma using ambient noise

Lonn Brown, Mirko van der Baan

International Meeting for Applied Geoscience and Energy (IMAGE)

... (blue line) to velocity variation (black line), middle plots compare to frequency of the peak of the power spectrum (green line), lower plots compare...

Challenges of Sub-Thrust Imaging Using Broadband Three-Dimensional Seismic Data: a Case Study in the Outer Banda Arc, Indonesia

Masamichi Fujimoto, Yonghe Guo, Anky Fatwa, Yuki Sasaki

Indonesian Petroleum Association

... frequency spectrum in the seismic image. The velocity model constructed from the combination of Kirchhoff PrSDM and controlled Gaussian beam migration...

Near-Shore Ripples: Some Hydraulic Relationships

A. S. Trenhaile

Journal of Sedimentary Research (SEPM)

... mounds which tend to cause ripples to increase in size on the waveward side and decrease on the leeward side was also noted. Ripple velocity was he least...

Data-driven near-surface Q compensation: A case study in Sichuan Basin of China

Xinyuan Feng, Yulian Zhao, Mingtu Xiao

International Meeting for Applied Geoscience and Energy (IMAGE)

... value, such as from VSP or uphole surveys of dual-well, even from velocity, but it depends on other data, the usages is limited. Data-driven method...

Oklahoma Geophysical Society Symposium on Continuous Velocity Logging: "Continuous Velocity Logging Method"

Howard R. Breck

Oklahoma City Geological Society

...Oklahoma Geophysical Society Symposium on Continuous Velocity Logging: "Continuous Velocity Logging Method" Howard R. Breck 1961 124 125 Velocity...

Abstract: Spectral-Velocity Prediction of Geological Section Types and Reservoir Properties (SVP-Technology), by Mikhail Afanasyev; #90163 (2013)

Search and Discovery.com

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... The near surface velocity model and Q factor model were created with up-hole, LVL and logging data in LJ area; the target layer model was created...

Application of Spectral Decomposition and RGB Blending for Mapping the Distribution of Ubadari Sandstone in Kasuri Block

Leonard Lisapaly, Anne Queentina Tyas Primasty

Indonesian Petroleum Association

... and its spectrum were generated to review the difference in order to distinguish the response of the reservoir in the RGB domain. Following...

Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)

Yongwang Ma and Gary Margrave

Search and Discovery.com

... is to develop an adaptive windowing scheme that only localizes the wavefield as required by the lateral velocity variation. If there is no lateral...

Abstract: Monitoring Strong Earthquake Shaking at the Penang Air Itam Dam, Malaysia

L. S. Leong, K. W. Chew, B. S. Ng, S. J. Ng, T. S. Tan

Geological Society of Malaysia (GSM)

... and integrate this accelerogram to obtain the velocity and displacement records, and, (b) compute the response spectrum to specified dumping values...

Application of distributed fiber optic and borehole-surface jointly acquired seismic data in high-resolution processing of conventional seismic

Zhanqing Yu, Cheng Wang, Miao Kun

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflects the velocity change of the underground medium, then the velocity and anisotropy parameters are estimated more accurately. In addition, we have...

Automatic Lithofacies Segmentation Using the Wavelet Transform Modulus Maxima Lines WTMM Combined with the Detrneded Fluctuation Analysis DFA

S. Ouadfeul

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...) Calculation of the spectrum of exponents τ (q ) . (e) Calculation of the spectrum of singularities D(h). REMARKS The positioning of maxima is carried out...

Bridging the gap: Deep learning on seismic field data with synthetic training for building Gulf of Mexico velocity models

Stuart Farris, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the legacy velocity model from the Tiber dataset. a) illustrates a 2D line of hydrophone recordings. b) presents the averaged power spectrum density...

Limitations of Reflection Seismograph

L. E. Nugent, Jr.

AAPG Bulletin

... methods; and (3) under velocity, numerous vagaries and their potential errors are analyzed. It is concluded that surveys which involve only errors...

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... in source-receiver distances and azimuths, large cable feathering angles, etc. We recommend during test-line evaluation to compare the velocity spectrum...

Representation of Bed Configurations in Depth-Velocity-Size Diagrams

John B. Southard

Journal of Sedimentary Research (SEPM)

... the dimensionless depth-velocity-size approach provide for these other realizations in the spectrum of sediment transportation by turbulent flows? As shown above...

Advances in Logging Technology: Abstract

Robert Sarmiento

Tulsa Geological Society

... at an accelerated rate. During this interval the oil industry has seen the introduction of density, continuous dipmeter, sonic (velocity), induction, electric...

Broadband Least-Squares Wave-Equation Migration

Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui

Petroleum Exploration Society of Australia (PESA)

... that is able to fully utilize both the broader seismic bandwidth and the high-resolution velocity information from Full Waveform Inversion (FWI). Our...

Monument Butte 3DReprocessing case study in Uinta Basin

Mitch Preston, Xinxiang Li, Seth Berman, Phillip Keith, Christopher Egger, Josef Heim, Nebojsa Pralica, David Brookes, James Beck

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the spectrum, enhanced structural feature imaging, and improved S/N. Furthermore, using 5D interpolation, data was regularized in offset and azimuth...

Abstracts: Recovery of Low Frequency Data from 10Hz Geophones; #90173 (2015)

Malcolm B. Bertram, Gary F. Margrave

Search and Discovery.com

... is a desirable goal for many reasons. An example is that enhancing low frequencies improves velocity information and inversion results...

Seismic Enhancement Resolution in Penobscot Field With Short-Time Fourier Transform Half Cepstrum Method

Taufiq Brilliant Askari, Intan Andriani Putri

Indonesian Petroleum Association

... frequency spectrum. Window’s parameters is crucial particularly ensuring the signal chunk could be considered as a stationary signal and also to avoid...