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The AAPG/Datapages Combined Publications Database

Showing 4,446 Results. Searched 190,755 documents.

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Abstract: Seismic Source Wavelet Estimation and Sparse-spike Deconvolution; #90174 (2014)

Zhengsheng Yao and Mike Galbraith

Search and Discovery.com

... and usually involves a non-linear inverse problem. Such kind of inverse problems are generally ill-posed due to a band limited source wavelet...

2014

Wavelet Processing

Lee Lu

Indonesian Petroleum Association

... an optimum filter, f, to be applied to the data. The source wavelet can be derived by the inverse of the filter. Claebout's method emphasizes...

1978

IV. The Role of Seismic Wavelets and Wavelet Processing

Norman S. Neidell

AAPG Special Volumes

... are attempting to design an inverse wavelet. Hence if we treat a spiking deconvolution operator as an inverse wavelet, then its inverse must in fact...

1979

Abstract: Two-stage Blind Deconvolution; #90187 (2014)

Mafijul Islam Bhuiyan and Mauricio D. Sacchi

Search and Discovery.com

.... However, the seismic source wavelet is unknown and therefore, it must be estimated from the data prior to deconvolution. In this paper, we examine...

2014

Deterministic and Statistical Wavelet Processing

Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... trace. They can be divided into two categories (deterministic and statistical) according to availability of the source wavelet. In the deterministic...

1980

Abstracts: Blind L1-norm Multichannel Deconvolution for Seismic Source Function Estimation; #90173 (2015)

Jaime Meléndez Martínez

Search and Discovery.com

... in alternating with single-channel reflectivity estimation, and multichannel wavelet estimation. The method is able to estimate the correct source...

2015

Thin Layer Imaging by Wavelet Transform Enhancement

Randy Condronegoro, Woro Sutjiningsih, Herlan Setiadi, Khairul Ummah, Dythia Prayudhatama

Indonesian Petroleum Association

...Thin Layer Imaging by Wavelet Transform Enhancement Randy Condronegoro, Woro Sutjiningsih, Herlan Setiadi, Khairul Ummah, Dythia Prayudhatama...

2013

Abstract: Modified Euclids Blind Deconvolution Via Sparsity Optimization on a Sphere; #90187 (2014)

Nasser Kazemi and Mauricio D. Sacchi

Search and Discovery.com

... of an unknown signal of interest and a source signature. In general, the unknown signal or image can be estimated via inverse methods when the source signature...

2014

Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... the coherency of seismic traces and increased confidence in velocity analysis. Inverse Q also sharpened the seismic wavelet shape and made the seismic...

2004

AVO Modeling of Monochromatic Spherical Waves: Comparison to Band-Limited Waves; #41567 (2015)

Charles Ursenbach, Arnim Haase

Search and Discovery.com

... the reflection coefficient for a band-limited wavelet via an inverse Fourier transform, as has been carried out by Haase (2004). We have previously...

2015

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

Somanath Misra and Satinder Chopra

Search and Discovery.com

... with minimum phase wavelet assumption leaves the data with spurious phase. The phase correction required to remove the spurious phase can be done by a simple...

2015

VIII. Conversion of Seismic Data to Log-Like Displays

Norman S. Neidell

AAPG Special Volumes

... noted a data comparison over a North Sea oil field in conventional and wavelet processed form (p. 20). Also, the wavelet processed data was tied...

1979

Deriving Subsurface Insight from Seismic

Gregory Partyka

Indonesian Petroleum Association

... of the noise attenuation. It is important to work with a stable source wavelet. If the source wavelet characteristics vary temporally and /or spatially...

2015

Abstract: Monte Carlo Markov Chain Methods in Seismic Deconvolution; #90174 (2014)

Andres Medina and Mirko van der Baan

Search and Discovery.com

... of a source wavelet with the Earth’s reflectivity plus some noise. In a conventional deconvolution approach one thus estimates a linear deconvolution filter...

2014

Abstract: Short-time Wavelet Estimation in the Homomorphic Domain; #90174 (2014)

Roberto H. Herrera and Mirko van der Baan

Search and Discovery.com

... by an inverse Fourier transform. In addition, no assumption regarding the phase of the wavelet is made, nor is the reflectivity assumed white. Despite its...

2014

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

... [email protected] Summary Source wavelet estimation is the key in seismic signal processing for resolving subsurface structural properties. Homomorphic...

2015

Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

.... The second is wavelet processing which insured that the true responses of the reflectors are obtained. The third is inversion for the acoustic impedance...

1992

Fusion of Airborne Gravity and Magnetic Images for Improved Detection of Structural Control; #41550 (2015)

Hassan Hassan, John Peirce

Search and Discovery.com

... the inverse wavelet transform to obtain the fused image. 4. Filter the resulting image and interpret for structural control. Results The final fused gravity...

2015

Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden

Swee Leng NG, Martin Bayly

Indonesian Petroleum Association

... to estimate source and receiver term responses, and apply signature wavelet compensation to produce traces with a consistent seismic wavelet. SCD can address...

2008

Correlating Versus Inverting Vibroseis Records: Recovering What You Put into the Ground; #41577 (2015)

Glen Larsen, Paul Hewitt, Art Siewert

Search and Discovery.com

... being discussed here; there is a source signature for every sweep. Therefore, after applying a deterministically designed inverse filter, the vibroseis...

2015

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