Adaptive Eigenstructure Classification and Stochastic Decorrelation Filters for Coherent Interference Suppression in the Acoustic Zoom Method, #41503 (2014).

J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey

Search and Discovery.com

... seismic processing rejects as incoherent noise. Imaging of non-specular returns requires significant attenuation of coherent background interference (e.g....

Danish Sector: Insight into Mature and Deeper Plays

Will Bradbury, Steve Drewell, Gulnara Hickman, TGS

GEO ExPro Magazine

...-offset domains were applied to target the removal of coherent and incoherent noise. Once the dataset was relatively clean of incoherent noise, TGS...

Angolan Kwanza Basin … Expanding Proven Opportunities

Madhurima Bhattacharya, Harrison Moore

GEO ExPro Magazine

... was fully addressing the seismic interference (SI) noise caused by other seismic vessels conducting acquisition in the area as well as coherent noise from...

Fresnel criteria for 5D survey design: A proof of concept decimation test

Michael Hons, Dave Simmons, Sean Contenti, Yong Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

... the requirement for sufficient near surface and coherent noise characterization was met, with some customization to the decimation geometry. similar offset...

ABSTRACT: Shallow Seismic Reflection Profiling of the Bluff Line Lineament in Northwest Mississippi

Jack E. Rader, Daniel C. Rice, James B. Harris

GCAGS Transactions

... of the Mississippi River, and several anomalously straight sections of the bluff line have been identified as possibly fault controlled. One such linear...

A New Approach to Shale Compaction and Its Geological Significance [Abstract]

Issler, D.R.

CSPG Bulletin

... are coherent over broad geographic regions and show a significant change from undercompacted, overpressured sections in the offshore, to normally-pressured...

Compaction Tests on Aragonitic Sediment: ABSTRACT

Eugene C. Robertson

AAPG Bulletin

... of the dry bulk density to the grain density of the sediment, and thus is a linear measure of the approach to solid rock. The effect of raising the pressure...

Insights from the Texas through Time Project

Search and Discovery.com

Abstract: Petrophysical Evaluation of Carbonates from the Weyburn Oil Field using Synchrotron X-ray Computed Microtomography (CMT); #90211 (2015)

Chad Glemser, Tom Kotzer, Steve Whittaker, and Chris Hawkes

Search and Discovery.com

... Microtomography (CMT) is a powerful imaging technique that utilizes coherent and brilliant synchrotron light to produce high-resolution, three-dimensional...

Abstract: Pitfalls in Prestack Inversion of Merged Seismic Surveys; #90239 (2015)

Sumit Verma, Shiguang Guo, Thang Ha, and Kurt Marfurt

Search and Discovery.com

... linear move out to approximately flatten the ground roll phases, estimate the dip about this reference move out, and compute coherence within...

Ambient Fracture Imaging: A New Passive Seismic Method

Alfred Lacazette, Jan Vermilye, Samuel Fereja, Charles Sicking

Unconventional Resources Technology Conference (URTEC)

... emissions so that noise was much less of a problem for fracture monitoring. Had less coherent noise been present it is likely that more detail...

Long Period Long Duration Seismic Events During Hydraulic Stimulation of a Shale Gas Reservoir, #40761 (2011)

Indrajit Das, Mark D. Zoback,

Search and Discovery.com

... the characteristic frequency band of microearthquakes (100-300 Hz). Complex but coherent wave trains are observed in both the horizontal and vertical arrays...

Detection threshold of a shallow CO2 plume with VSP data from the CaMI Field Research Station

Brendan J. Kolkman-Quinn, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

...% porosity reservoir causes a gradual non-linear decrease in P-wave velocity. The corresponding decrease in reflectivity produces a troughpeak time...

Multidomain simultaneous joint inversion for near-surface characterization A case study from onshore US

Nate Johnson, Ali Ahmed Hussein Mohamed, Zhanna Jackson, Seth Riseman, Kevin Douglas

International Meeting for Applied Geoscience and Energy (IMAGE)

... with linear moveout applied; shot gather with surface waves highlighted in green (b). A linking function relating the inverted Vp and Vs fields...

Vz denoise and P/Z matching in 3D curvelet domain

Yong Ren, Chenhao Yang, Tim Seher, Matt Hawke, Eddie Cho

International Meeting for Applied Geoscience and Energy (IMAGE)

... noise removal is crucial for better P/Z calibration, wavefield separation and deconvolution. Most importantly, a better wavefield separation will in turn...

AI: a Game Changer in Seismic Acquisition and Processing

Matt Deighton, Sverre Olsen

GEO ExPro Magazine

... the trained Convolutional Neural Network (CNN) to remove of fraud detection is that the coherent image domain noise. Noise indicated by yellow arrows...

Geomechanical and Flow Simulation of Hydrofracs Using High-Resolution Passive Seismic Images

Alfred Lacazette, William Dershowitz, Jan Vermilye

Unconventional Resources Technology Conference (URTEC)

... is processed to remove coherent noise, make static corrections etc. similarly to standard reflection seismic processing. 3. A velocity model of the study...

Microtremor Studies in Roosevelt and Beowawe Geothermal Areas

Alfred L. Liaw, Wayne Suyenega

Circum Pacific Council Publications

... effects. Microtremors, or seismic noise generated by a geothermal reservoir, h a v e been considered a direct indicator in geothermal exploration. B u...

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...

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

..., the common assumption that the logarithm of velocity is linear in depth is not consistent with check shot data. A single, definitive relationship...

Machine learning-based residual moveout picking

Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the seismic data. Effective picks must detect primary reflection energy and correctly capture the curvature of the events, while avoiding random or coherent...

4D GPR Fluid Flow Visualization in Fractured Carbonates at the 1 to 10 m Scale, #120056 (2013)

Mark Grasmueck, Pierpaolo Marchesini, Gregor P. Eberli, Michael Zeller,, Remke L. Van Dam

Search and Discovery.com

... noise and remains of very low amplitude geological reflections. Exceptions are a dipping shallow event and parts of the first break at the very top...

Principles and Techniques of VSP Data Processing

A.A. Tabakov, V.N. Ferentsi, H.Garvini

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... as to residual wavefield. Increase in resolution often leads to disclosing of some coherent noise in selected waves or target waves in residals. Therefore...

An Application of Optical Fourier Analysis to the Study of Geological Linear Features in ERTS-1 Imagery of California

Aderbal C. Corrêa, Ronald J. P. Lyon

Utah Geological Association

... of their spatial distribution. Analysis of a map of linear features is carried out by means of optical diffraction of the coherent light of a laser...

Orbital Forcing and Sedimentary Sequences

Alfred G. Fischer, David J. Bottjer

Journal of Sedimentary Research (SEPM)

... by tectonic, volcanic and geomorphic noise, but other depositional systems are sufficiently steady in facies and accumulation to record the pulse-beats...