Seismic Shear Waves for Discriminating Lithology from Saturation Changes

T. L. Dobecki

Houston Geological Society Bulletin

... saturates a granular medium, the P wave velocity (Vp) may increase nearly 500%. Saturation of this same medium has nearly zero effect on the shear...

A Report on the Renaissance of Gravity in the Deep Water Gulf of Mexico: A Practical View of Integration Methods

Brian S. Anderson, Mark E. Weber, John E. Bain

Houston Geological Society

... are analyzed, typically using cross plots, and a function is derived to convert between the density and the velocity volumes. The gravity effect...

Well Cycling Optimization in Liquid Loaded Wells

Prithvi Singh Chauhan, Meher Surendra, Zhuoran Li, Sathish Sankaran

Unconventional Resources Technology Conference (URTEC)

... a machine learning model. A gradient boosting machine learning model is trained to predict cumulative gas production based on these features...

The Sediment Budget Estimator (SBE): A process model for the stochastic estimation of fluxes and budgets of sediment through submarine channel systems

Joris T. Eggenhuisen, Mike C. Tilston, Christopher J. Stevenson, Stephen M. Hubbard, Matthieu J.B. Cartigny, Maarten S. Heijnen, Jan de Leeuw, Florian Pohl, Yvonne T. Spychala

Journal of Sedimentary Research (SEPM)

... resulting from the SBE (solid line); measured velocity profile (dashed line). Horizontal dotted line indicates channel confinement depth. B...

Delineation of a Diagenetic Trap Using P-Wave and Converted-Wave Seismic Data in the Miocene McLure Shale, San Joaquin Basin, California, by Robert Kidney, John Arestad, Anne Grau, Robert Sterling, #20012 (2003).

Search and Discovery.com

Loma Vieja Field: Structural Geology and Related Velocity Fault Shadow in the Upper Wilcox (Fandango) in South Texas

James C. Meyerhoff, Rion Braddock

GCAGS Transactions

... on 2-D seismic data, 3-D seismic data have confirmed the presence of a velocity gradient across the field and have reduced structural risk during...

Production Forecasting for Shale Gas Reservoir Wells using a Simulator that Honors the Microstructure of Shale Gas Reservoirs and the Physics of Fluids In Nano-Porous Media

G. Michel, F. Civan, R. Sigal, D. Devegowda

Unconventional Resources Technology Conference (URTEC)

... reservoir production by considering the effect of heterogeneity, pore-wall slippage, gas rarefaction and desorption on production rate and drainage...

Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin

K. Bradey

Papua New Guinea (PNG) Petroleum Convention Proceedings

... of the interval velocity map at the Base Tertiary Unconformity was required to remove the shadow effect of the reef in the depth map before proceeding...

Finite Element Modeling of PDC Cutter Performance in Air Drilling Applications for Geothermal Wells

Carlos Vega-Ortiz, Eric Edelman, Pengju Xing, John D. McLennan

Unconventional Resources Technology Conference (URTEC)

... stability. Temperature variation with depth, Figure 1B, is influenced by the geothermal gradient and heat transfer from the surrounding rock. In the drill...

A Reasonable View of the Seismic Anomaly

R. W. Dudley

Tulsa Geological Society

... on a seismic anomaly may not accurately reflect the merit of the structure because of the effect of a local vertical velocity gradient. To emphasize...

Gravity Field of the North Fiji Basin

James N. Kellogg, Dibya R. Kansakar

Circum Pacific Council Publications

... Fiji Basin. The regional gravity gradient is associated with a long wavelength gravity bulge probably caused by the downgoing dense lithosphere...

Production and Reservoir Property Determination Using Integrated Pressure Measurement Techniques

W. Douglas Morgan, Manfred J. Wittmann, Bruno J. Deruyck

Indonesian Petroleum Association

... and reservoir gradient surveys can provide data critical in determining horizontal and vertical pressure communication and the need for well stimulation as well...

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... together with a reflection. This occurs when both the velocity contrast between layers and the spacing between wells are fairly large. This effect...

Abstract: Microseismic Event Locations Uncertainity and Acquisition Geometry; #90224 (2015)

Amna Feroz and Mirko van der Baan

Search and Discovery.com

... location uncertainty, synthetic microseismic dataset is generated for deviated, vertical and horizontal boreholes using a 1D velocity model. Each borehole...

Performance of elastic FWI for different wrapping angles of helical fiber in seafloor-deployed DAS

Shogo Masaya, Masanori Tani

International Meeting for Applied Geoscience and Energy (IMAGE)

... normalmoveout velocity, and tilt of the symmetry axis (e.g., Tsvankin, 2012). The seismic shot data output by the forward modeling is the horizontal...

Modeling Tectonic Structures by Synthetic Seismic Construction: Comparison with Local Fold and Thrust Front Development in the Permian Basin Province

Richard J. Erdlac, Jr., Douglas B. Swift

West Texas Geological Society

... a vertical and horizontal gradient of velocities and densities to exist within any individual layer, constant velocity and density layers were used...

Effects on the precision of tomography near-surface model with single receiver

Baohua Yu, Yongguo Wu, Haili Wang, Faquan Feng, Quanbin Yang, Lixin Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... provide a high-precision velocity model for pre-stack depth migration. Introduction With the advancement of the exploration technology and seismic...

THE APPLICATION OF ROCK MECHANICS DATA TO HYDRAULIC FRACTURING IN THE CLINTON SAND*

James Wallace, Dowell Division of Dow Chemical, U.S.A., Tulsa, OklahomaJerry Hinkel, Dowell Division of Dow Chemical, U.S.A., Columbus, Ohio

Ohio Geological Society

... and Its Effect on Permeability", Jour. Pet. Tech. 49-51 (June, 1958). Nole, K. 6., and Smith, M. B., "Interpretation...

Abstract: An Effective Medium Model for a Fractured Carbonate Reservoir Undergoing CO2 Flood at Weyburn Field, Saskatchewan; #90174 (2014)

Chris Blackwood

Search and Discovery.com

... is extended to the case of horizontal transverse isotropy (HTI) by incorporating fluid-saturated fractures through linear slip theory. Introduction The Weyburn...

Effect of Artificial Sea-Grass on Wave Energy and Near-Shore Sand Transport

Christopher J. Wayne

GCAGS Transactions

...Effect of Artificial Sea-Grass on Wave Energy and Near-Shore Sand Transport Christopher J. Wayne 1974 Vol. 24 (1974), The emplacement of offshore...

Nonlinear time difference detection of seismic image based on image registration

Rongwei Xu, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In scenarios involving complex data and media, where the initial velocity model is inaccurate, gradientguided, classic FWI often struggles to converge...

Chapter 14: Gravity, Seismic Reflection, and Tomographic Constraints on the Subduction-to-Strike-Slip Transition at the Southeastern Caribbean Plate Boundary Zone

Tricia G. Alvarez, Paul Mann, Carlos A. Vargas, Lesli J. Wood

AAPG Special Volumes

...) velocity: –7 and 7. (B) Horizontal slice with node distribution at 30 km (98,000 ft) depth, (C) Horizontal depth slices with node distribution at 50 km...

Porosity Mapping Using Seismic Interval Velocities, Natuna L–Structure

D. R. Eyles, J. A. May

Indonesian Petroleum Association

..., and the velocity gradient established in the basal part of the gas zone. This function provided an interval velocity of 16,000 feet/second for a thin...

Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014)

Benjamin Roure and Jon Downton

Search and Discovery.com

...) where Bani is the anisotropic gradient, g is the square of the background S-wave to P-wave velocity ratio and ΔδT (resp. ΔδN) is the difference...

Unlocking subsurface complexity: Sparse ocean-bottom node and full-waveform inversion for northern Green Canyon, Gulf of Mexico

Kate Glaccum, Denes Vigh, Yao Yu, Eray Kocel, Bing Bai, Di Chen, Hongyan Li, Kevin Lyons

International Meeting for Applied Geoscience and Energy (IMAGE)

... interpretation and more directly through imaging Horizontal (kft) 80 Vp ft/sec Figure 2: Comparison with velocity overlay between the legacy towed-streamer...