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The AAPG/Datapages Combined Publications Database

Showing 18,835 Results. Searched 200,751 documents.

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ABSTRACT: Application of 3-D Seismic Classification Techniques to Reveal Prospective Targets in Optimizing E&P Activities; #90013 (2003)

Fangjian Xue, Dave Paddock, Kim Hemsley

Search and Discovery.com

..., instantaneous frequency, AVO difference, and Volume Reflection Spectrum. Using cross-plot discriminant analysis, extra classes were defined based...

2003

ABSTRACT: Gravity Signatures of the Deep-Water Reservoirs of Offshore Nigeria, West Africa; #90115 (2010)

A. A. Adepelumi and O. O. Folarin

Search and Discovery.com

... frequency segment for the azimuthally averaged log power spectrum. The processed satellite-gravity data showed a central negative anomaly having an average...

2010

ABSTRACT Classifying Digital Imagery of Modern Isolated Carbonate Platforms for Facies Conditioning of Reservoir Models: Examples from Offshore Belize and Yucatan, #90104 (2010)

Lodge Jason J.; Leverington David; Holterhoff Peter F.

Search and Discovery.com

... regions of the electromagnetic spectrum. After classification, statistics were generated to produce facies  frequency and uncertainty maps using bins...

2010

Abstract: Can supergrouping enhance low frequencies needed for FWI of 3D land broadband seismic data?; #90254 (2016)

Maxim Dmitriev, Andrey Bakulin, Pavel Golikov, Dmitry Neklyudov

Search and Discovery.com

... on the availability of reliable low frequencies such as 1.5 to 2 Hz that is at the edge of the spectrum of conventional broadband data...

2016

Abstract: From Elastic to Geomechanical Properties. Onshore Field Case Study, Saudi Arabia; #90319 (2018)

Sultan Al Otaibi, Ayman Suleiman

Search and Discovery.com

... to 10 Hz to fill in the missing low end of the seismic spectrum. Afterword, the seismic angle stacks, the angle-dependent wavelets and the three low...

2018

Extrapolated surface-wave dispersion inversion

Hongyu Sun, Laurent Demanet

International Meeting for Applied Geoscience and Energy (IMAGE)

... curves in the frequency-Bessel dispersion spectrum: Bulletin of the Seismological Society of America, 111, 3420–3431. Dorman, J., and M. Ewing, 1962...

2022

Broadband Seismic Technology and Beyond: Part VI: Towards a Ghost-Free Solution

Lasse Amundsen, Martin Landrø, Eivind Frømyr

GEO ExPro Magazine

... energy is best preserved at shallow depths. Below the frequency of the source-ghost notch, the source spectrum can be shaped to optimise low...

2013

Abstracts: Revisiting Homomorphic Wavelet Estimation and Phase Unwrapping; #90173 (2015)

Roberto H. Herrera and Mirko van der Baan

Search and Discovery.com

... the phase and the amplitude spectrum in a linear fashion. Unfortunately all surface-consistent deconvolutions make a minimum-phase assumption which...

2015

ABSTRACT: Genesis of mass wasting seismic facies deduced by CAT-scan analysis; #90013 (2003)

MATHIEU JACQUES DUCHESNE, BERNARD FRANCOIS LONG

Search and Discovery.com

... sand layers (Duliu, 1999). Based on the HU spectrum observations there is no major density contrast that can be related to the beam-hardening effect...

2003

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)

... processed data has a broadband spectrum; frequencies below 15 Hz and beyond 60 Hz are improved, having a similar amplitude level as the dominant frequency...

2022

Time-lapse attenuation variations during CO2 injection using DAS VSP data from the CaMI Field Research Station, Alberta, Canada

Yichuan Wang, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... amplitude of the reflected signal recorded at the surface, S(f) is the spectrum of the seismic source, R(t, f) is the time-frequency response...

2022

Mid-Slope Bottom Currents off the Louisiana Coast

W. J. Wiseman, Jr., and H. H. Roberts

GCAGS Transactions

..., estimated with 20 degrees of freedom, and the raw phase of the cross-spectrum of the two signals. There exist numerous frequency bands, at and below...

1999

Application of Seismic Surveying to Direct Exploration for Oil and Gas

A. M. Ivanchuk, L. F. Tarkhova

Petroleum Geology: A Digest of Russian Literature

... strata. Further, there is almost a one-order decrease in the intensity of waves reflected from interfaces below pools, and the amplitude spectrum...

1974

Abstract: A Digital Telemetry System Implementation of the Dual-Sensor, Bottom-Cable Method

F. J. Barr, J. I. Sanders, D. A. Chamberlain

Geological Society of Malaysia (GSM)

... methods to remove the reverberations during processing. In the frequency domain, this phenomenon manifests itself as notches which are introduced...

1991

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