Successful Depth Imaging at Banyu Urip Field

Yuki Y. Agulia, Michael Gurch, Sony Mohammad, Bastian Hutahayan

Indonesian Petroleum Association

... ground-roll and random noise. 5D interpolation was applied to provide uniform sampling throughout the survey. A bandwidth extension approach was used...

Antialiasing 5D Interpolation; #41497 (2014)

Stephen K. Chiu

Search and Discovery.com

... interpolation increases the signal-to-noise ratio of the interpolated data due to random-noise reduction during the interpolation process. After...

Abstract: Optimising Reservoir Characterisation Through Seismic Data Conditioning: A Case Study of Block22/NCMA4, Trinidad; #90238 (2015)

Dale Baptiste, Russ Creath, and Vishal Nagassar

Search and Discovery.com

... sequence was developed to address signal to random noise, short period multiples, offset dependent frequency and amplitude loss, gather alignment...

Deblended-Data Reconstruction Using a Closed-Loop Approach for Time-Lapse Seismic Monitoring, #42320 (2018).

Tomohide Ishiyama, Mohammed Y. Ali, Gerrit Blacquire, Shotaro Nakayama

Search and Discovery.com

... in acquisition: the coherency of blended signal versus the incoherency of blending noise in the pseudo-deblended domain. This process can be posed...

A High-Resolution Seismic Survey to Image the Top of Salt at Avery Island, Louisiana

Dawn Standridge, Cathy Bishop, Gary Kinsland, Robert Schneider, Laura Serpa

GCAGS Transactions

... with coherent noise spatially correlated with the location of a mechanical shop, which was about 160 ft (50 m) away from the line. It is believed...

Abstracts: Ground Roll Attenuation Using LWD; #90173 (2015)

Ken Kocon and M. Sacchi

Search and Discovery.com

... capture signal and noise in separate parts of LWD’s data reconstruction. We also discuss results from applying the method to synthetic data...

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user

Search and Discovery.com

... routine seismic surveying, the acquisition geometry is designed to sample the anticipated subsurface features without spatially aliasing their structure...

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user

Search and Discovery.com

... routine seismic surveying, the acquisition geometry is designed to sample the anticipated subsurface features without spatially aliasing their structure...

Analysis of Amplitude Versus Offset to Detect Gas/Oil Contacts in Arabian Gulf: ABSTRACT

Edward F. Chiburis

AAPG Bulletin

...) The theoretical behavior of P-wave reflection amplitude as a function of incidence angle (offset) indicates that diagnostic changes should be spatially...

The Signal and the Noise: Forward Modeling of Allocyclic and Autocyclic Processes Influencing Peritidal Carbonate Stacking Patterns

Peter M. Burgess

Journal of Sedimentary Research (SEPM)

... A is a clear reflection of the driving sinusoidal eustatic curve. Addition of the random processes adds an element of noise to the sinusoidal pattern...

Information on Grain Sizes in Gravel-Bed Rivers by Automated Image Analysis: RESEARCH METHODS PAPERS

L.C. Sime, R.I. Ferguson

Journal of Sedimentary Research (SEPM)

..., and their ecological significance for both invertebrates and fish spawning. Gravel GSDs are spatially variable at several scales: broad down-basin or down-river trends...

Risks of Microseismic Fracture Mapping Mis-interpretation: Source-Dependent Sensitivity Induced by Surface Arrays Observational Bias

Pierre-Francois Roux

Unconventional Resources Technology Conference (URTEC)

... level (the magnitude of completeness). While it is well-known that borehole arrays, due to their very limited focal sphere coverage, show spatially...

Benefits and Uplift of Focused Post-Migration Gather Conditioning Over Prospect Specific Areas - An Indonesian Case Study

David Jessup, Dave Goulding, Andy Kalil

Indonesian Petroleum Association

.... This process included RMO, Radon Demultiple, Spectral Balancing, Random Noise Attenuation, Qcompensation, and Trim Statics. The QC attributes were computed...

ABSTRACT: Forward Seismic Models of Ferron and Sego Sandstones, by Michael Farrell and Maija Brown; #90156 (2012)

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ABSTRACT: Three Dimensional Fault Detection Using Dip and Azimuth; #90120 (2011)

Aftab Alam, Mirza Naseer Ahmad, Mumtaz Ahmad Mehar, and Sohaib Ahmad

Search and Discovery.com

..., interference or noise. In our method we take the time-surface misfit error as a measure of discontinuity by fitting a least square plane to spatially...

Tomography for Near

Search and Discovery.com

Monte Carlo and Stochastic Simulation Methods: Part 6. Geological Methods

A. G. Journel

AAPG Special Volumes

... MONTE CARLO METHOD The Monte Carlo technique consists of generating many different joint outcomes of random processes (Figure 1c) and then observing...

Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico

Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen

International Meeting for Applied Geoscience and Energy (IMAGE)

... source boat velocity, one voice data appears as random and incoherent noise in another voice common receiver gather. During our survey, the two sources...

Abstract: Using Phase Sequencing and Marine Vibrators for Residual Shot Noise Removal and Simultaneous-Source Separation; #90310 (2017)

Robert Laws, David Halliday, Ali Özbek, Jon Fredrik Hopperstad

Search and Discovery.com

...Abstract: Using Phase Sequencing and Marine Vibrators for Residual Shot Noise Removal and Simultaneous-Source Separation; #90310 (2017) Robert Laws...

The Practical Relevance of the Choice Between a Stationary and a Nonstationary Geostatistical Model: Abstract

Paul Switner

CSPG Special Publications

... of a spatially correlated random field. The fact that geographically close measurements resemble one another on the average, more than widely separated...

Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)

Mostafa Naghizadeh, Mauricio D. Sacchi

Search and Discovery.com

... coherent noise and imaging the earth interior have stringent sampling requirements which are often not met in real surveys. In order to avoid information...

DAS Microseismic Monitoring and Integration With Strain Measurements in Hydraulic Fracture Profiling

Martin Karrenbach, Andrew Ridge, Steve Cole, Kevin Boone, Dan Kahn, Jamie Rich, Ken Silver, Dave Langton

Unconventional Resources Technology Conference (URTEC)

... frequency regime. Temperature signal agrees with DTS, except for random measurement noise. Figure 15: Microseismic events are overlaid in black...

Characterization of spatial relationships between fractures from different sets using K-function analysis

Mahmood Shakiba, Larry W. Lake, Julia F. W. Gale, and Michael J. Pyrcz

AAPG Bulletin

..., anticlustered, or random arrangements, they could still be spatially independent or dependent. To evaluate spatial independence between two fracture sets...

Abstract: 5D Interpolation and Regular Upsampling: Ill-suited or Fit-for-purpose?; #90187 (2014)

Mike J. Perz and Peter W. Cary

Search and Discovery.com

... consisting of multiple dipping events, some of which are spatially aliased. In order to perform 2:1 upsampling, these data are cast onto the finely...

Unsupervised Machine Learning as a Velocity Picking Assistant

Charles Ursenbach, Hassan Odhwani

International Meeting for Applied Geoscience and Energy (IMAGE)

... and deep reflection events. The Bi peaks correspond to random semblance noise with no geological significance. Each arrow points from a peak in one panel...