Surface Source Technology

Stan D. Brasel

Pacific Section of AAPG

... minimized the ground mixing or velocity filtering effect and still have provided the desired level of signal-to-noise enhancement. Figure 20. Seismic...

Enhancing low frequencies in airgun arrays, analysis of various field tests

Susanne Rentsch, Edward Hager, Lauren Wing, Sebastian Holland

International Meeting for Applied Geoscience and Energy (IMAGE)

...-frequency output of airgun arrays for towed marine seismic acquisitions. We investigate the physical effect of (partial) frequency locking of the pressure...

Velocity of P- and S-Waves in Arab-D and WCSB Carbonates

Search and Discovery.com

... of sample 3-104 from Arab-D reservoir and P- (c) and S- (d) of sample B from WCSB at different confining pressure. Effect of saturation on velocity...

Petrophysical Characteristics of Carbonate Drift Deposits in the Maldives, #51586 (2019).

Emma L. Giddens, Gregor P. Eberli, Ralf J. Weger, Thomas Ludmann, Angela Slagle,

Search and Discovery.com

... Massaferro, and Y.-F. Sun, 2009, Quantification of Pore Structure and Its Effect on Sonic Velocity and Permeability in Carbonates: American...

Bridging the Gap Between Reservoir and Seismic

Mike Branston

GEO ExPro Magazine

... that users are able to change rock properties or survey specifications and immediately see the effect on the PSDM image. The SimPLI method...

Experimental Study of Proppant Flowback with Standard Core Samples

Xinyao Zhang, Huiying Tang, Kaixiang Di, Cheng Du, Shiyi Xie, Liehui Zhang

Unconventional Resources Technology Conference (URTEC)

... 10. Effect of confining pressure on critical sand production velocity of core-plug. 4. Field case analysis 4.1 Mineral composition analysis...

Structure and emplacement of mud volcano systems in the South Caspian Basin

Simon A. Stewart, Richard J. Davies

AAPG Bulletin

.... Thomsen, M. Mueller, T. Harrold, L. Phillip, and P. Watson, 2004, Effective stress and minimum velocity trends (abs.): Society of Exploration...

Woods Hole Rapid Sediment Analyzer

John M. Zeigler, Geoffrey G. Whitney, Jr., Carlyle R. Hayes

Journal of Sedimentary Research (SEPM)

..., A. T., 1949, Influence of shape on the fall velocity of sand grains: unpublished M.S. thesis, Colorado A & M College, 102 p. KERMACK, W. O., MCKENDRICK...

Ekofisk: First of the Giant Oil Fields in Western Europe: DISCUSSION

L. W. Minturn

AAPG Bulletin

... velocity of the weathered layer (1,500 to 2,500 ft/sec). It will carry the case upward with this velocity at the start, tempered by the amount of energy...

The Importance of Sediment Supply and Sequence-stacking Pattern in Creating Hyperpycnal Flows

Sverre Henriksen, Anna Ponten, Nils Janbu, Britta Paasch

AAPG Special Volumes

.... 223.Porobski, S. J., and R. J. Steel, 2006, Deltas and sea level change: Journal of Sedimentary Research, v. 76, p. 390403, doi:10.2110/jsr.2006.034...

Amplitude inversion of OBS direct arrivals for seabed elastic properties

James Gaiser, Moacyr de Souza Bazerra, James Simmons

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave (P-wave) methods that use mirror migration, velocity analyses and tomography are not available for shallow converted P- to S-wave (PS-wave) data...

Do Gas Hydrates Occur in Alaminos Canyon, Gulf of Mexico?

Brian C. Tost, Ann E. Cook

Unconventional Resources Technology Conference (URTEC)

...% hydrate saturation; whereas Yun, et al. (2005) observed little change in the compressional velocity between 0%-40% hydrate saturations. Priest, et al...

Understanding Seismic Amplitudes, by Steve Henry, #40135 (2004).

Search and Discovery.com

Role of Vortices in Surf Zone Prediction: Sedimentation and Wave Forces

Robert L. Miller

Special Publications of SEPM

... they are an artifact of the experimental conditions or an important second ary effect in the system SURF ZONE PREDICTION velocity component impact...

Multichannel Seismic Depth Sections and Interval Velocities over Outer Continental Shelf and Upper Continental Slope between Cape Hatteras and Cape Cod: Rifted Margins

John A. Grow , Robert E. Mattick , John S. Schlee

AAPG Special Volumes

... Cretaceous. These thin, high-velocity horizons appear to change laterally toward shore into lower velocity units over distances of 20 km or less. We...

Settling Velocity Tube Apparatus for Successive Determination of Fall Velocities of Sand Size Particles: NOTES

Hassan G. Modarresi

Journal of Sedimentary Research (SEPM)

... cause an initial velocity to sand grains. The actual magnitude of the effect of these sources of error on the overall settling velocity distribution...

Ramu Basin, Papua New Guinea: A Record of Late Miocene Terrane Collision

Andrew B. Cullen

AAPG Bulletin

... of the Keram and basement sequences that developed during collision of the Finisterre terrane. See Figure 9 for line location. Time is Two-way traveltime...

Carbon dioxide storage efficiency involving the complex reservoir units associated with Irati and Rio Bonito Formations, Paraná Basin, Brazil

Richardson M. Abraham-A and Colombo C. G. Tassinari

AAPG Bulletin

... importation activities in Sâo Paulo (Machado et al., 2013; Ketzer et al., 2014; Imori and Guilhoto, 2016) and climate change mitigation. The study area has...

Depositional Mechanisms from the Size Analysis of Clastic Sediments

Basanta K. Sahu

Journal of Sedimentary Research (SEPM)

... has the effect of resistance tending to decrease the terminal velocity. If the vessel is cylindrical then the correction factor can be expressed...

Response Characteristics of an Ebb-Dominated Tidal Inlet Channel

Duncan M. Fitzgerald, Dag Nummedal

Journal of Sedimentary Research (SEPM)

.... Both the peak and mean current velocities during ebb exceed the corresponding velocities during flood. The velocity asymmetry is caused by changes...

Salt deposition in ultradeep brine settings by dynamic inflow and evaporation

Alexandros Konstantinou, Garry D. Karner, Erik Kneller, and David Gombosi

AAPG Bulletin

... accommodation in shallow basins is less than the maximum eustatic sea-level change (<200 m; e.g., Haq et al., 1987); thus, the brine depth cannot exceed...

Effects of Biogenic Silica on Acoustic and Physical Properties of Clay-Rich Marine Sediments (1)

JANE S. TRIBBLE , FRED T. MACKENZIE , JOZSEF URMOS , DAVID K. O'BRIEN , and MURLI H. MANGHNANI

AAPG Bulletin

... change is dominated by the effects of compaction. With burial, porosity decreases and microfabric is altered. Compressional velocity and velocity...

Elastic full-waveform inversion of 4C ocean-bottom seismic data: Model parameterization analysis

Jian Cao, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

... estimation of the subsurface, i.e. extracting medium shear modulus from the S-wave velocity model. Multi-parameter elastic FWI offers the possibility...

The effects of seismic anisotropy on mining seismology

Andrew King

Petroleum Exploration Society of Australia (PESA)

... impact on the geotechnical interpretation. Figure 3. The effect on event location of using an isotropic (left) versus an anisotropic (right) velocity...

Predicting Autosuspension in Steady Turbidity Flow: Ignition Points and Their Relation to Richardson Numbers

Henry M. Pantin, Mark C. Franklin

Journal of Sedimentary Research (SEPM)

... velocity. The first term on the right-hand side (R.H.S.) represents the (adverse) hydrostatic gradient, the second term the down-slope effect...