Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)

Kimberley Haar, Robert Balch, Robert Will

Search and Discovery.com

... velocity from the TDR was modelled using Gaussian random function simulation. The combined velocity model ranges between 3000 and 7600 m/s. Navajo...

Scour and Fill Processes in a Deep River Hole, Ohio River, Louisville, Kentucky: NOTES

Bruce R. Moore

Journal of Sedimentary Research (SEPM)

.... PROCEDURE Techniques The hole was mapped using depth sounding and navigation equipment mounted in a 36 ft. work boat. Navigation ranges for sounding...

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... is the shot migration result using post-imaging linear interpolation (i.e., up-sampling) in the depth output. As migration depth increases, it degrades...

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... is the shot migration result using post-imaging linear interpolation (i.e., up-sampling) in the depth output. As migration depth increases, it degrades...

Subsurface formation pressure gradient vs. slope: Perception and pitfalls

Selim S. Shaker

International Meeting for Applied Geoscience and Energy (IMAGE)

.... These measurements increase with depth in linear trends (i.e., transgressive) either in static or hydrodynamic conditions (during deposits compaction). Gradient...

The Effects of Entrainment on the Hydraulic Equivalence Relationships of Light and Heavy Minerals in Sands

Rudy L. Slingerland

Journal of Sedimentary Research (SEPM)

..., these conditions would also permit the deposition of magnetite grains (of a size) that had the same settling velocity." Using known settling velocity laws he deduced...

Abstract: Porosity of Meteorite Impact Rocks: Inferences from Geophysical and Petrophysical Studies from the Lake Bosumtwi Impact Crater, Ghana; #90211 (2015)

Damien Meillieux, Douglas Schmitt, Meghan Brown, Marek Welz, Tiewei He, Bernd Milkereit, Tobias Karp, Christopher Scholz, and Sylvester Danour

Search and Discovery.com

... wave velocity ratio shows values increasing with depth from 2.5 to 2.7, which is characteristic of this type of rocks. Borehole Logging The in-situ...

Effective Use of High Density VSP Measurements to Predict Pore Pressure and Estimate Mud Weight Ahead of Drilling in the Mahakam Delta, Indonesia

Mohammed Badri, Stephane Gazet, Gregoire de Tonnac

Indonesian Petroleum Association

... inversion method, time to depth conversion can be achieved using Gardner’s equation (Gardner et al, 1974) where density is expressed in terms of velocity...

Improving total organic carbon estimation for unconventional shale reservoirs using Shapley value regression and deep machine learning methods

Jaewook Lee, David E. Lumley, and Un Young Lim

AAPG Bulletin

... correlated with the TOC logs, such as bulk density, P-wave velocity, and Poisson’s ratio. Second, we derive a multivariate linear regression model...

Comparison of Interval Velocity and Inversion Velocity Usage to Build 3D Pore Pressure Models - Case Study: JA Field, East Java Basin

Jihan Hardiyanti Arief, Alamsyah M. Juwono, Muhajir

Indonesian Petroleum Association

... that exceeds normal pore pressure or hydrostatic pressure. Pre-drill pore pressure analysis could be performed using velocity variables, in which...

Discrimination of Depositional Environments Using Settling Tube Data

Asahiko Taira , Peter A. Scholle

Journal of Sedimentary Research (SEPM)

...-velocity distributions of more than 500 modern and near-modem river, dune, beach, tidal-flat, and turbidite sediment samples were analyzed using...

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... receiver location is therefore only a function of the thickness, P-wave velocity and S-wave velocity of the weathered zone at that receiver location...

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... receiver location is therefore only a function of the thickness, P-wave velocity and S-wave velocity of the weathered zone at that receiver location...

Using Reflected Phases to Improve Depth Resolution of Microseismic Source Locations from Single-Well Observations

James Rutledge, Nobukazu Soma

Unconventional Resources Technology Conference (URTEC)

...Using Reflected Phases to Improve Depth Resolution of Microseismic Source Locations from Single-Well Observations James Rutledge, Nobukazu Soma URTeC...

Petrophysical Classification of Siliciclastics for Lithology and Porosity Prediction from Seismic Velocities (1)

LEV VERNIK and AMOS NUR

AAPG Bulletin

... at comparable porosities to rocks in the first two groups. The compressional velocity-porosity relation for each of these groups is found to be linear...

Synthetic Seismograms and Their Uses

Abilene Geological Society

... that of the seismic technique. Faust empirically derived a relationship between velocity and resistivity as a function of depth and it is stated...

Chapter 4: Synthetic Seismograms and Their Uses

Tom Wittick

North Texas Geological Society

... that of the seismic technique. Faust empirically derived a relationship between velocity and resistivity as a function of depth and it is stated as follows: V...

Application of 3

Search and Discovery.com

Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

..., observed deviations from reference velocity versus depth trends are converted to pore pressure changes with little or incomplete analyses of potential...

Incorporation of Geology, Wells, and Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth ModelŽ, #40828 (2011)

Huyen Bui, Peck-Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Mart Smith

Search and Discovery.com

... parameter that can cause the depth change at zero offset is seismic velocity using depth migration. Therefore, it is very important to update...

Abstract: Least Square Migration in Image domain (LSMi) along with Better Velocity Modeling Improves Subsalt Imaging, Offshore Mediterranean, Case Study; #90319 (2018)

Ivica Mihaljevic, Mohamed Afia, Mahmoud M. Shabana, Mohamed Sheneshen, Hany M. Hussein, Mahmoud Ouda, Amr Ghanem, Refaat Zaki, Satyendra Rana, Maud Maud Cavalca, Laurence Letki

Search and Discovery.com

... the velocity model we have used iterative geologically constrained tomography. High resolution tomography paired with Kirchhoff Pre stack Depth Migration has...

Variation in the Chemical Composition of Oil-Field Brines with Depth in Northern Louisiana and Southern Arkansas: Implications for Mechanisms and Rates of Mass Transport and Diagenetic Reaction

Jeffrey S. Hanor

GCAGS Transactions

.... If D is constant over the depth range of interest, then from equation 1, C will be a linear function of z, as is observed in the Figure 5. Dissolved...

Abstract: AVO Crossplotting II: Examining Vp/Vs Behavior; #90171 (2013)

Heath Pelletier

Search and Discovery.com

... space, particularly if too large a depth range is brought into the interpretation window. This presents difficulties when performing crossplotting...

Predicting uniaxial compressive strength using Support Vector Machine algorithm

Hafedz Zakaria, Rini Asnida Abdullah, Amelia Ritahani Ismail, Mohd For Mohd Amin

Geological Society of Malaysia (GSM)

... the UCS. An algorithm has been tested on a series of rock data using dry density and velocity parameters. The relationship between the dry density...

Simulation of Proppant Transport in Foam Fracturing Fluid Based on Experimental Results

Songyang Tong, Ming Gu, Robin Singh, Kishore Mohanty

Unconventional Resources Technology Conference (URTEC)

... direction; (2) the slope of the linear relationships changes with time and is also a function of (1 − ϕg ) (Weaire et al., 2007). URTeC 2901054 6...