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The AAPG/Datapages Combined Publications Database

Showing 1,055 Results. Searched 200,357 documents.

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High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach

Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal

Indonesian Petroleum Association

... amplitude and phase effects incurred from the source ghost. Dynamic streamer steering: Flexible broadband acquisition for shallow water depths This survey...

2014

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

... of the sea-floor reflection (solid line). Not shown are raypaths for the source ghost (similar to the receiver ghost, but resulting from upgoing energy...

1999

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)

... in the amplitude spectrum. A successful reprocessing workflow applied to two typical legacy datasets is described in this paper. The workflow has a focus...

2016

New Data Reveals Sub-Salt Levantine Basin

Øystein Lie, Per Helge Semb

GEO ExPro Magazine

... generates a receiver ghost at 30Hz, but also multiplies the energy at 15Hz by a factor of 2. Since the peaks and notches in the amplitude spectra...

2009

Multiparameter FWI imaging in the Gulf of Mexico

Tom Rayment, Karen Dancer, James McLeman, James Penwarden, Tim Ooi, Monica Hartmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the wavefield that have traditionally required attenuation prior to imaging such as ghost and multiple energy. The derived reflectivity volume is naturally...

2023

ABSTRACT: Using Dual-Sensor Streamers to Address Seismic Imaging Challenges in OML 133, Offshore Nigeria; #90115 (2010)

Chris Tapie, Yvonne Paisant, Per Eivind Dhelie, and Robert Lory

Search and Discovery.com

... in complementary amplitude spectra where notches caused by the surface ghost in one sensor coincide with peaks in the other. Preliminary results from...

2010

-- no title --

user1

Search and Discovery.com

... aspects of the wavefield that have traditionally required attenuation before imaging such as ghost and multiple energy. Imaging using the full...

Unknown

Marine Vibrator Concepts for Modern Seismic Challenges

Andrew Long, Rune Tenghamn

Petroleum Exploration Society of Australia (PESA)

...), compromised by bubble energy, and the source wavelet is far from the Dirac-type wavelet that would correspond to a white amplitude spectrum. Furthermore...

2018

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

..., and that the amplitude spectrum of the source wavelet that was introduced into the subsurface was flat. If these assumptions are not satisfied...

2011

Wavelet Processing

Lee Lu

Indonesian Petroleum Association

.... The homomorphic deconvolution method is useful if the amplitude specturm of the source wavelet is smooth with respect to that of the desired signal...

1978

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... frequency. Appropriate spatial and temporal filters, applied before decdimation, ensure energy preservation within the main lobe of the gauge length sinc...

2023

Analysis Techniques and Signal Enhancement Methods Applied to the Bellshill Lake Stratigraphic Trap Program: ABSTRACT

R. J. Graebner, D. F. Brennan

AAPG Bulletin

... the ghost reflection problem, the attenuation of shot generated boundary waves through wave length filtering with arrays of multiple seismometers...

1963

Analysis Techniques and Signal Enhancement Methods Applied to Bellshill Lake Stratigraphic Trap Program: ABSTRACT

R. J. Graebner, D. F. Brennan

AAPG Bulletin

... for attacking the ghost reflection problem, the attenuation of shot generated boundary waves through wave length filtering with arrays of multiple...

1963

Broadband Seismic Technology and Beyond: Part V: PGS's GeoStreamer „ A Double Win

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... multiple energy: s ingle source illumination over the SEAM model. Red – multiple energy Blue – primary energy. 70 GEO ExPro OCTOBER 2013 GeoExPro...

2013

A Holistic Approach to Model-Building in and Around Injectites: A Case-Study Offshore Norway, , #42193 (2018).

Victoria Valler, Nathan Payne, Thomas Hallett, Marcin Kobylarski, Girish Venkatraman, Jochen Rappke, Dirk Fairclough

Search and Discovery.com

... the injectite model (Figure 1c). While deghosting and subsequent removal of ghost energy better represents the fine detail of events, the Hilbert...

2018

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... velocities. The ghost locations exist in the first two cases, while energy focuses only at true source location when combining all data. Figure 3 shows...

2015

Extended Abstract: Sensing Below with Ocean Bottom Seismic

Bill Cafarelli

Petroleum Exploration Society of Australia (PESA)

.... For a hydropho ne o n the seafloor at a depth of 30 m, the receiver ghost puts a "notch" in the amplitude spectrum at 25 Hz. Energy missing...

1996

Early Middle Cambrian Formations in the Front Range Near Ghost River, Alberta

E. L. Fitzgerald

CSPG Bulletin

...Early Middle Cambrian Formations in the Front Range Near Ghost River, Alberta E. L. Fitzgerald 1962 501 510 Vol. 10 (1962) No. 9. (October) Early...

1962

Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data

M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek

Indonesian Petroleum Association

... wavefield before decimation, with pressure sampled over a 25-m x 25-m spatial grid. The ghost notch is recognizable by the lack of energy in the low...

2013

Enhancing Fault Interpretation Through Broadband Processing and Diffraction Imaging: The First and Successful Experience from Madura Offshore Area

Pongga Wardaya, Rino Saputra, Syaeful Amin

Indonesian Petroleum Association

... 3a shows the amplitude spectra of the seismic stack section before and after deghosting. The deghosting is able to remove the ghost notch at around...

2018

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)

... into the reflection wavelet's amplitude spectrum. To eliminate this reverberation problem during the data acquisition and preprocessing stage, the dual...

1991

Improved Understanding and Interpretability Beneath the Complex Accretionary Section in West Timor, Indonesia, Via Marine Broadband Seismic and Beam Depth Migration

Mazin Farouki, Felice D'Alterio, Erika Gentile

Indonesian Petroleum Association

... of eliminating the receiver ghost via the dual-sensor system. Ghost-free data is rich in both low and high frequencies, has improved signal to noise...

2012

Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin

Jo Firth, Mark Stanley

Petroleum Exploration Society of Australia (PESA)

... reducing vertical resolution with depth, as well as affecting the amplitudes of the target horizons. The amplitude attenuation inferred from seismic...

2016

Marine Acquisition and Processing Using Dual Sensor Towed Streamer (Geophysics Paper 1)

Walter Söllner, Svein Vaage, David Carlson, Martin Widmaier, Anthony Day, Stephen Pharez, Maz Farouki

Geological Society of Malaysia (GSM)

... for velocity data. Thus, the summation of pressure and velocity data will cancel the amplitude of the ghost event trailing each primary event, and the notches...

2008

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