Flow Paths and Waterbottom Gradients Across a Stepped Slope Profile, Offshore Brunei

T. A. Mac McGilvery, Daniel L. Cook

Indonesian Petroleum Association

... shown in orange. B. Shaded relief map of water bottom structure with maximum positive amplitude overlay illustrating the depositional elements...

Footprints in Seismic Data, by Surinder Sahai and Khalid Soofi, #40230 (2007).

Search and Discovery.com

Choosing the Best 3D Seismic Dataset for Reservoir Interpretation: A Case Study in Tunu Shallow Zone, Mahakam PSC, Indonesia

Teuku Reiza Yuanda, Rangga A. Brahmantio

Indonesian Petroleum Association

... homogeneity of amplitude. The better dataset will have a ratio close Phase difference was calculated for each sub-stack pair. The results are maps...

Abstract: Sonic Waveform Signature Analysis for Reservoir Evaluation

Roopa Gir, Gilles Mathieu

Geological Society of Malaysia (GSM)

... of properties of the sonic waveform such as amplitude, phase, frequency and velocity of the various wave types (compressional, shear and stoneley waves...

Green Canyon 509 #1

Dan Denson

Houston Geological Society

... and Production Inc. in 1996 to test a large amplitude anomaly in a salt mini-basin just east of the Fuji discovery. A success at Mazama would have...

Stratigraphic Analysis Garden Banks Block 235, Gulf of Mexico

Edwin I. Linares, Abu K. M. Sarwar

GCAGS Transactions

... was interpreted using well log data, seismic facies, and seismic attributes. Hilbert transform attributes such as instantaneous amplitude, frequency, phase...

Abstract: Resolving The Discrepancies Between Vertical Seismic Profiles And Petrophysical Logs, At Least A Few Of Them; #90213 (2015)

John D. Logel and Rick Kuzmiski

Search and Discovery.com

... seismic with a great amount of confidence. There appears to be strong variations in amplitude in the zone of interest as well as an apparent phase...

Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

... have been designed to operate on the amplitude and phase spectra during data processing, in order to sharpen the wavelet. These procedures are called...

Machine Learning and Deep Learning for Digitizing Scanned Images of Seismic Reflection Data

Agus Abdullah, Sigit Sukmono, João Constantino, Vladimir Machado

Indonesian Petroleum Association

... consists of three main steps: recognizing Red-Green-Blue (RGB) representation in each pixel, creating a look-up table of RGB amplitude and substitute...

Fractured Reservoir Prediction … A Case Study in the Sichuan Basin; #10512 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He

Search and Discovery.com

... factors and deconvolution operators are used to compensate the amplitude attenuation for surface seismic data. The comparisons of ZVSP data to surface...

Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)

Todor I. Todorov, Gary F. Margrave

Search and Discovery.com

... is that it is not localized in time. Figure 1 is a display of a particular signal and its amplitude and phase spectra. The Fourier transform tells us correctly which...

Application of Lift Technique before Spectral Decomposition to Re-Model Channel Distribution in the Sungai Gelam Field, Jambi

Agi Robby Rizaldi, Firman Fauzi

Indonesian Petroleum Association

.... It is a practical and robust amplitude preserving way to pre-condition data for pre-stack migration, to prevent migration artifacts as well. The Sungai Gelam...

Application of multidirectional phase attribute method in fault identification of magmatic rock overburden area

Zhiqiang Zhang, Jinghan Wang, Zhongqiao Zhang, Xijia Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

... in results. The phase attribute of seismic wave has nothing to do with the amplitude, so it can be more sensitive to the small Figure 1 .The specific...

Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method

Tianfei Zhu

Search and Discovery.com

... . The Maslov amplitude B( p1 , x2 , x3 ) and Maslov phase T ( p1 , x ) for each ray arrival in summation 7 can be calculated from the ART amplitude...

Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method

Tianfei Zhu

Search and Discovery.com

... . The Maslov amplitude B( p1 , x2 , x3 ) and Maslov phase T ( p1 , x ) for each ray arrival in summation 7 can be calculated from the ART amplitude...

Calibrating FWI image amplitudes: Insights from deepwater GoM

Lennon Infante-Paez, Nayyer Islam

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 1: Upper FDR and Lower 25Hz WAZ RTM seismic section showing the shallow Miocene amplitude anomalies. The phase is rotated to -90deg. Trough...

Extended Abstract: Hydrocarbon Traps Associated with Upper Wilcox Canyons and Seismic Response, Mid-Gulf Coast, Texas

Frank G. Cornish, Louis Lambiotte

GCAGS Transactions

... an amplitude increase. However, the production is associated with a phase change (Fig. 5). Another sandstone trap against a canyon is Anna Barre Wilcox J...

ABSTRACT: 3D MODELS OF PALYNOFACIES OF COAL USING DIGITAL HOLOGRAPHY MICROSCOPY

Alejandro Restrepo, Jorge Herrera, Román Castañeda, Christopher Mann, Myung Kim

The Society for Organic Petrology (TSOP)

... in the Fourier space. From the hologram two images can be reconstructed, one amplitude and one phase. The amplitude image is equivalent to the classic...

Chapter Five: Reservoir Identification

Alistair R. Brown

AAPG Special Volumes

..., the amplitude is greater. This is the classical zero-phase bright spot with high amplitude for the top and base reflections. The simultaneous increase...

Resolving DAS versus geophone discrepancies using the DAS transform: A comparative study from the CaMI CCS field research station, Alberta

Ali Sayed, Robert R. Stewart, Marie Macquet, Don Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

.... DAS and DAC images were comparable to GAC, but the DAS image showed noticeable amplitude and resolution loss as well as phase distortion, away from the...

Spectral Balancing Aids Seeing Faults More Clearly, by Satinder Chopra and Kurt J. Marfurt; #41594 (2015).

Search and Discovery.com

Integrated Monitoring of Steam Chamber Development using Time-Lapse PP-PS Joint Inversion: A Case Study of Oil Sands Reservoir, Canada, #42411 (2019).

Wang Bo, Wang Chunyan, Nie Qihai, Liu Hong, Zhang Xiuqiang,

Search and Discovery.com

... include phase and time shift, shaping filter and amplitude normalization above the production zone and time variant shifts in the reservoir. PP-PS...

Gas-Hydrate Horizons Detected in Seismic-Profiler Data from the Western North Atlantic

Brian E. Tucholke , George M. Bryan , John I. Ewing

AAPG Bulletin

... 707 61 5. (May) Reflecting horizons which have anomalously high amplitude and which are conformable to the seafloor at about 500 to 600 m subbottom...

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

... are affected by different changes in amplitude, phase or frequency as a function of propagating medium. Seismic attenuation of propagating wave energy...

Lithoprobe Seismic Transect of the Alberta Basin: Compilation and Overview

Jacqueline Hope, David W. Eaton, Gerald M. Ross

CSPG Bulletin

... (Eaton et al., 1995). While it is possible to correct most phase amplitude differences during processing, it is nonetheless preferable to collect data...