Abstract: Broadband Marine Seismic … Breaking the Limits (Geophysics Paper 20)

Robert Soubaras, Carl Notfors

Geological Society of Malaysia (GSM)

... greater stability in seismic inversion. Broader bandwidths produce sharper wavelets and both low and high frequencies are required for high-resolution...

A Reservoir Characterization Case Study Based on the Structural and Depositional Isochronous Framework; #41187 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Hai Xu

Search and Discovery.com

... and many oilfield development facilities, and the spatial changes of near surface will cause great changes of excitation energy and wavelets (as is shown...

Towards an Efficient and Reliable HPC Software Platform for 3D Geophysical Inversion; #70238 (2017)

Juan Esteban Rodriguez

Search and Discovery.com

... data – Management for volumetric data, signal traces, wavelets, databases, etc, already in place and can be easily extended with new functionality...

Model Testing of Methane Hydrate Occurrence on the North Slope of Alaska with Artificial Neural Networks, by Mary M. Poulton, Robert R. Casavant, Charles E. Glass, and Bo Zhao; #90035 (2004)

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Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

... of reflectivity from vertical incidence and image-ray migration techniques. These time sections were convolved with 25 to 200-Hz Ricker wavelets to produce...

Reservoirs Come in All Shapes and Sizes, and Some are More Difficult than Others

Stephen Pickering, Steve McHugo

GEO ExPro Magazine

..., the features of which facilitate precision imaging and preservation of stable seismic wavelets. Point-receiver acquisition systems employ accurate cable...

Creating Singularity Order Attribute of Seismic Signals Using Continuous Wavelet Transform (CWT) for Stratigraphic Interpretation Tools

A.M. Ustad, M.S. Jaya, F.J. Herrman

Indonesian Petroleum Association

... by convolutions with a multitude of (Ricker) wavelets with decreasing scale (increasing central frequency). Compared to analyzing the magnitude of seismic...

Seismic Stratigraphic Interpretation for Thin Layers: Case Studies

Kuo-An Lin, Shi-Chi Fuh, Hsiung-Mao Chen

Geological Society of Malaysia (GSM)

... for constructing stratigraphic interpretation charts. A comput~r was used to locate the accurate coordinates of the peaks and the troughs of the seismic wavelets...

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

Feby Hapsari, Irfan Saputra, John Coffin, Liyanto

Indonesian Petroleum Association

... Inversion REFERENCES and Perform Simultaneous From the AVO Modeling we move forward to the Simultaneous Inversion. Correlating the well with wavelets...

South Halfway 3D: An example of a challenging onshore acquisition and subsequent processing and a unique way of performing a prestack elastic inversion on a difficult dataset

Marianne Rauch, Doug Brost, Hassan Odhwani, Aravind Nangarla, Adriana Gordon

International Meeting for Applied Geoscience and Energy (IMAGE)

... an elastic inversion since the wavelets between boggy and river valley area are different. Figure 2: Map view of dominant frequency around the main target...

Detection of Fluvial Reservoir Sands Using Rock Physics and Simultaneous Inversion: Case Study from the Gulf of Thailand

Mirza Naseer Ahmad, Philip Rowell

Indonesian Petroleum Association

... important task in the inversion procedure is the estimation of seismic wavelets. The statistically estimated wavelets representative of each partial...

Transportation of Sediments on Fresh-water Surface by Flotation

O. F. Evans

Journal of Sedimentary Research (SEPM)

... waves are breaking. Observation also shows that the amount of sand floated would be much greater if it were not that after small wavelets reach the beach...

AVA attribute estimation from misaligned seismic gathers using U-Net

Ammar Ghanim, Ricard Durall, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

...pts (𝑦it ) and gradients (𝑦gd ), as well as wavelets (𝑤). Synthetically generated data entails creating pre-stack reflectivity series via Shuey equations (Shuey, 1...

Seismic Inversion for Hydrocarbon Screening: Mahakam Case Study

Hilfan Khairy, Didiek B. Prabowo, Cepi Adam

Indonesian Petroleum Association

... tie to fit the respected wells time-depth, it was computed common wavelets to all seismic substacks. This process was followed by low frequency...

ABSTRACT: Quantitative Integration of 4D Seismic for Field Development; #90007 (2002)

Garnham, Gail Riekie, Malu Jensen, Liz Pointing

Search and Discovery.com

... (Figure 3). The modelling has been repeated with other two wavelets extracted from two wells. One is a minimum phase wavelet and the other is a zero phase...

Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015)

K. H. Miah, R. H. Herrera, M. van der Baan, and M. D. Sacchi

Search and Discovery.com

... the Fractional-Cepstrum (FC). We derive the real FC formulation, and give an example using wavelets to show the multidomain representation of the traditional...

Abstracts: Impedance Inversion of Phase Corrected Data- A Case Study; #90173 (2015)

Somanath Misra and Satinder Chopra

Search and Discovery.com

... to the central Alberta plains. An average mixed phase wavelet is computed from the 3 mixed phase wavelets estimated at 3 different locations. The data...

Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)

Olivier Winter, Anna Leslie, and Forest Lin

Search and Discovery.com

... of adding octaves is illustrated on the amplitude spectra of the sweeps (figure 1b) as well as on the autocorrelation wavelets (figure 1c). The broader...

Joint Impedance Inversion Transforms Aid Interpretation, by Satinder Chopra, Ritesh Kumar Sharma, Mohammad Hossein Nemati, and Peter Cary; #41667 (2015).

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Determination of Density from Seismic Data; #42456 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... degrees. The prestack simultaneous impedance inversion thus carried out (wherein the conditioned angle stacks, together with their extracted wavelets...

The Power of Multiple Seismic Attributes in Revealing Geologic Understanding, By, W.E. Johnson, R.O. Louden, D.D. Lehman, and D.L. Edwards, #40067 (2003)

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Prediction of 3-D Facies and Petrophysical Models using Seismic Inversion and Advanced Statistical Data Analytics in Midland Basin Study Area

V. Pandey, T. Nekrasova, I. Tsybulkina, K. Clemons, D. Li, B. Six

Unconventional Resources Technology Conference (URTEC)

... then accurately in time-domain, then we extracted multi-well wavelets for each angle stack to compensate the amplitude and frequency variations URTeC...

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... reflections are present so the top and base of the sandstone are"resolved." This is one of the wavelets shown in Figure 3A, where the waveshapes for other...

Using New Techniques to Extract Stratigraphic Information from Seismic Data in Tight Gas Reservoirs

Heidy Correa, Fa Dwan, David Potter

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... be described with a series of wavelets with given frequency and amplitude characteristics. In a given time, spectral decomposition is performed...

The Integration of Geophysical, Geological and Petrophysical Data: A Case Study in North West Java, Indonesia

M. Koswara, J. Negre, L. Hendrata

Southeast Asia Petroleum Exploration Society (SEAPEX)

... surface seismic traces into acoustic impedance pseudo-logs. Firstly, two sets of zero phase surface seismic and well seismic wavelets, which may...