Unconventional Processing for 3D Data: A 1993 Case History

Claude Eizlini, Jacques Bonnafe, Bugi Kamil, Gilles Bitoun

Indonesian Petroleum Association

... of aliasing in the dip direction. Then one-pass migration, 3D random noise attenuation by FXY deconvolution, zero-phasing, TV filter and no AGC. In contrast...

Abstract: 3D Inversion of Transient EM Data: A Case Study from the Alvheim field, North Sea; #90172 (2014)

Bruce Hobbs, Michael Zhdanov, Alexander Gribenko, Alan Paterson, Glenn Wilson, Craig Clarke

Search and Discovery.com

... to the receiver vessel enabling deconvolution to impulse responses and real-time quality control. Further processing included magnetotelluric (MT) noise...

Cascaded Sweeps- A Method to Improve Vibroseis Acquisition Efficiency: A Field Test

M. Benabentos, F. Ortigosa, N. Moldoveanu, P. Munoz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of vibroseis correlation, spike noise attenuation, surface-consistent scaling, predictive deconvolution, surface-consistent statics, velocity analysis...

Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)

C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji

Search and Discovery.com

... deconvolution, post-DGF coherent noise attenuation, several iterations of velocity analysis with residual reflection statics, multiples attenuation, CMP...

Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience

N. J. Fisher, F. R. Nicholson

Papua New Guinea (PNG) Petroleum Convention Proceedings

... by aligning the first arrivals and applying a directional dip-filter but the latter is largely incoherent and not amenable to removal. Finally, random noise...

Seismic Resolution in the Mahakam Delta

J. B. Beauchamp

Indonesian Petroleum Association

.../noise ratio also becomes very poor at the bottom of the well. Plate 6. Vertical Seismic Profile. Well HR-1 (Unfiltered) Plate 7. Autocorrelation/Power...

Seismic Exploration for Stratigraphic Traps: Geophysical Exploration Methods

Paul L. Lyons, M. B. Dobrin

AAPG Special Volumes

...-frequency reflection signals by deconvolution would raise the noise at the same rate. If we use higher frequencies, the reflection energy falls off...

Abstract: Restoration of Seismic Amplitude Using a Frequency-Dependent Gain Function, by Weihong Zhu and Khalid O. Al-Rufaii; #90077 (2008)

Search and Discovery.com

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

... enable him to evaluate the filtering effect of the noise - Fig. 1. Here is the amplitude response of a linear array of nine geophones. The horizontal...

Time-Lapse Monitoring of Steam Assisted Gravity Drainage (SAGD) of Heavy Oil using Multi-Transient Electro-Magnetics (MTEM)

Folke Engelmark

Search and Discovery.com

... of geophone arrays to image a small target and the acquisition and processing cost are substantial. In addition the steam injection generates white noise...

Time-Lapse Monitoring of Steam Assisted Gravity Drainage (SAGD) of Heavy Oil using Multi-Transient Electro-Magnetics (MTEM)

Folke Engelmark

Search and Discovery.com

... of geophone arrays to image a small target and the acquisition and processing cost are substantial. In addition the steam injection generates white noise...

Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica

S. V. Dadisman, H. F. Ryan, D. M. Mann

Circum Pacific Council Publications

... 407-15 s, line 419-8 s) 10-110 Hz 24 Magnavox Integrated System Distance or time Satellite Random high-amplitude noise spikes in the data can...

Wave Equation Shot Migration as a Ground Roll Filter.

Francisco Ortigosa, Pedro Muñoz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... shot gathers and then it was added to the synthetic shot gathers. Random noise was also added to the synthetic data. The main objective of the modeling...

An Effective Physics-Based Deep Learning Model for Enhancing Production Surveillance and Analysis in Unconventional Reservoirs

Yuewei Pan, Ran Bi, Peng Zhou, Lichi Deng, John Lee

Unconventional Resources Technology Conference (URTEC)

.... The proposed workflow was first applied to a synthetic case with random outliers, aberrant segments, and artificial white Gaussian noise to approximate...

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

... of coherent wavetrains, as well as random noise. Predictive deconvolution and common-depth point stacking attenuate multiples. Deconvo ution helps remove near...

Assessment of the permanent seismic sources for borehole seismic monitoring applications: CO2CRC Otway Project

Sinem Yavuz, Julia Correa, Roman Pevzner, Barry Freifeld, Todd Wood, Konstantin Tertyshnikov, Sofya Popik, Michael Robertson

Petroleum Exploration Society of Australia (PESA)

... a and c) presents less random noise when compared to the standard single-mode fibre (Figure 4b and d), because of the stronger signal. The enhanced...

A Case Study of Seismic Exploration in the Offshore Bonaparte Basin

J. Durrant, A. Young

Petroleum Exploration Society of Australia (PESA)

..., to some extent, by the spectral whitening effect of the deconvolution. Improvements to the stack data by the application of this second-iteration DBS...

Vaporchoc: Utilization of Steam as a New Seismic Source

P. Staron

Pacific Section of AAPG

... simultaneously the guns give rise to a synchronous first pulse and asynchronous secondary pulses. Figure 2 shows the effect of air pressure on the bubble...

Abstract: Nonstationary Predictive Deconvolution; #90172 (2014)

Gary F. Margrave, Michael P. Lamoureux

Search and Discovery.com

... for the first effect. Later other similar ideas have been tested such as predictive deconvolution in the radial trace domain (Perez and Henley, 2000...

Improved Exploration, Appraisal and Production Monitoring with Multi-Transient EM Solutions

Search and Discovery.com

... that scatters the seismic energy, but the effect of low saturation gas on resistivity is very small. 4. CO2 sequestration: Seismic can only monitor the gas...

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

R. Malcolm Lansley

AAPG Special Volumes

... and receiver arrays to attenuate both coherent source-generated noise and random noise can be really problematical. This is because the arrays also attenuate...

Machine-Learning Based Analytics Applied to Stimulation Performance in the Utica Shale: Case Study and Lessons Learned

Sebastien Perrier, Arnaud Delpeint, Zulibukaer Shawuti, Ashis Shrestha

Unconventional Resources Technology Conference (URTEC)

... the variability of performance of the wells across the structure. The primary objective of this paper is to show that the deconvolution of this dominant geological...

Seismic Activity in the Central Gulf Coast Basin

Eugene R. Brumbaugh

New Orleans Geological Society

... exploration purposes. Other than multiplicity, which is primarily responsible for the quality of seismic data in regard to signal to noise ratio...

Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013)

Lejia Han, Joe Wong, John C. Bancroft, and Robert R. Stewart

Search and Discovery.com

... is especially poor above the water table at 30m. Both random noise and tube waves are present in the seismograms. These can interfere with automatic first...

Seismic Lithology (AVO) Interpretation at the Badak and Nilam Fields in the Sanga Sanga Block, Kalimantan

William C. Ade, Ian T. McMahon, Wahyudin Suwarlan

Indonesian Petroleum Association

... deconvolution allows just such an improvement in signal to noise. The processing flow diagrams are shown in Figure 15. Unless the traces are completely saturated...