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...

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...

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...

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...

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...

The Use of Synthetic Sonic Logs Derived From Seismic Data in the Interpretation of Stratigraphic Variation in Cretaceous Carbonates of the North Field Area, Qatar: Chapter 14

Helena S. Aves, Daniel M. Tappmeyer

AAPG Special Volumes

..., there are many examples of low interval velocity zones that are known to contain hydrocarbons whereas equivalent higher interval velocity on the seismic...

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...

Thoughts and Observation on Interpreting Depth-Imaged Data in the Jurassic Norphlet Play, Deepwater Eastern Gulf of Mexico, #41342 (2014)

Donald A. Herron

Search and Discovery.com

... velocity model affects focusing and positioning of reflections in final images and, consequently, interpretation of the geology contained in those images...

Radiometric Surveying Applied to an Evaluation of Sorrento Field, Cheyenne County, Colorado

A.V. Gallagher

Montana Geological Society

.... An experimental north-south profile was also obtained through the study area using a Nal detector and full spectrum analyzer capable...

MWD for Shallow Water Demultiple: A Hibernia Case Study, #41294 (2014)

Hongzheng Jin, Min Yang, Ping Wang, Yan Huang, Mervyn J. Parry, Yvonne Paisant-Allen

Search and Discovery.com

... models with correct relative amplitude and a spectrum similar to the input data’s. SRME, on the other hand, suffers in shallow-water situations...

Impulse Acoustical Logging in a Cased Drill Hole

L. A. Sergeyev, A. A. Boyaroyts, V. V. Churlin, O. N. Sokolov

Petroleum Geology: A Digest of Russian Literature

.... (January) 1. Hicks, W. G. and Berry, I. E., 1956, Application of continuous velocity logs to determination of fluid saturation of reservoir rocks...

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... A-8-1, 6 Jalan P. Ramlee, KL, Malaysia [email protected] David Eastwell Spectrum Lvl 1, 105 St. Georges Tce. Perth, Australia...

Abstract: Fine-Grained Sediment Transport in Tidally-Influenced Environments—Detection with Optic-Acoustic Devices, by Alexander Bartholomae, Olaf Joerdel, Martina Karle, and Kerstin Schrottke; #90039 (2005)

Search and Discovery.com

Abstract: Frequency-dependent Elastic Moduli and Attenuation of Sandstone and Carbonate Rocks; #91204 (2023)

Andika Perbawa, Thomas Finkbeiner, Salma Alsinan, Juan Carlos Santamarina

Search and Discovery.com

... is velocity dispersion and related variations in elastic moduli (e.g., Young's modulus). Because frequency ranges in the field are different compared...

Seismological Methods and the Search for Geothermal Resources

David Butler, Paul Larry Brown

Rocky Mountain Association of Geologists

...; and the measurement of insitu rock properties, such as attenuation or velocity ratios. These methods of exploration presume a model of the target system...

Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)

Peng Cheng, Gary F. Margrave, David C. Henley

Search and Discovery.com

..., computed reflectivity, P wave velocity and density. 0.02 50 100 150 Frequency: Hz 200 250 Figure 2. Gabor amplitude spectrum of the nonwhite...

Sedimentary Structures in Modern Carbonate Sands of the Bahamas: Abstract

John Imbrie

Tulsa Geological Society

... in the velocity of current flow tangential to the bottom. The spectrum of sedimentary structures preserved at any one site is diagnostic of the geologic...

ABSTRACT: Exploration for Gas in Frontier Area, Lamprea-Gulf of Mexico, Eastern Offshore Mexico

Alvarado Vega, Juan M., Pineda, Francisco Gonzalez, Rodriguez F., Dionisio, Macias Z., Eduardo, Zambrano A., Manuel

GCAGS Transactions

... in the western Gulf of Mexico. Within the Tertiary section, the area contains abundant hydrocarbon indicators (DHI) and shows the same complete spectrum...

Random Noise Example

M. S. Howard and S. H. Danbom

AAPG Special Volumes

... represent the zero end point of the signal-to-noise ratio spectrum - a ratio commonly used to measure the reflection signal strength as compared to random...

Regional Variability of Washover Deposits on South Texas Coast: ABSTRACT

John R. Suter, Amy K. Maynard

AAPG Bulletin

... variability in barrier island geometry produces a spectrum of washover types. South Padre Island is a low profile, transgressive feature...

Seismic Modeling of Petrophysical and Stratal Complexity of Isolated Carbonate Platforms

Search and Discovery.com