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The AAPG/Datapages Combined Publications Database

Showing 29,366 Results. Searched 195,387 documents.

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Effects of Sphericity, Roundness, and Velocity on Traction Transportation of Sand Grains

William J. Morris

Journal of Sedimentary Research (SEPM)

... influence its settling velocity (and therefore, conditions of transportation), are size, sphericity, roundness, and specific gravity. The manner...

1957

Combining Sonic Velocity and Characterization of Pore Architecture to Develop a Proxy for Reservoir Permeability in Unconventional Carbonates: An Example from the Mid-Continent Mississippian Limestone

Beth Vanden Berg, G. Michael Grammer

Unconventional Resources Technology Conference (URTEC)

...Combining Sonic Velocity and Characterization of Pore Architecture to Develop a Proxy for Reservoir Permeability in Unconventional Carbonates...

2014

Weathervaning Characteristics of Tankers Connected to Single Point Moorings

A. T. Brumley, A. E. Potts

Southeast Asia Petroleum Exploration Society (SEAPEX)

... by finding the vector sum of the current velocities to find the total velocity incidence direction and then finding the coefficient for the vector...

1996

Extended Abstract: Advances in Interpretation & Imaging

P. Beale

Southeast Asia Petroleum Exploration Society (SEAPEX)

... migration uses more, and better velocity information. Post Stack Depth Migration (“PoSDM”) – will place the seismic image in it’s correct lateral...

1998

Dynamics of Stream Flow and Environmental Control

Krishna K. Misra

Tulsa Geological Society

... develops between the two adjacent layers in the direction of flow. In laminar, or viscous, flow the velocity is directly proportional to the water depth...

1972

Abstract: Effect of Thermal Shock on P and S Wave Speeds in a Low-porosity Quartz Sandstone; #90174 (2014)

Wei Xie and Douglas R. Schmitt

Search and Discovery.com

... because of the influence of shocked cracks. During low pressure loading(less than 80Mpa), the wave velocity of both initial and heated sample changes...

2014

AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... be possible to do a velocity analysis parallel with the fractures and get a velocity result that does not include the influence of the fractures...

2001

Predicting the depth of viscous stress peaks in moving salt sheets: Conceptual framework and implications for drilling

Ruud Weijermars and Martin P. A. Jackson

AAPG Bulletin

... component exists only in the -direction, with no slip at the upper and lower boundaries, so that at . The Poiseuille velocity profile is given...

2014

Morphology and Sediments of Sand Waves in the St. Lawrence Estuary

David Monahan

Atlantic Geology

... studied under natural conditions: a) migrate under the influence of the stronger tide or current; b) reverse their asymmetrical orientation...

1976

Sedimentary Structures Generated by Flow in Alluvial Channels

D. B. Simons, E. V. Rlchardson, C. F. Nordin JR.

Special Publications of SEPM

... in the viscosity term Fine sediments do not appear to influence the turbu lence structure or velocity distribution Nordin 1964b I t is difficult...

1960

Shelfedge Dynamics and the Nepheloid Layer in the Northwestern Gulf of Mexico

David W. McGrail, Michael Carnes

Special Publications of SEPM

... T MOR 2 V T MET MET 2 MET3 MET EMCM EMA V T C V T Velocity Temperature C Conductivity All ZZZ23 I2 data recorded J i t Direction recorded...

1983

Depositional Architecture and Petrophysical Variability of an Oolitic Tidal Sand Shoal: Pennsylvanian (Missourian), Kansas, U.S.A.

Eugene C. Rankey, Hamilton Goodner, John Doveton

Journal of Sedimentary Research (SEPM)

... measure elastic body waves in which the direction of particle movement is normal to the direction of wave propagation. In carbonates, shear-wave velocity...

2018

Effects of Overburden Anisotropy and Vertically Aligned Fractures on P-Wave Azimuthal AVO Responses

Fatkhan, Yudi Yanto, Nofri Faruza Said

Indonesian Petroleum Association

... at least wave velocity changes with direction of propagation. With the increasing use of wide angles and multi-azimuthal seismic data, anisotropic effects...

2005

Abstract: Non-First-Break Solution for Shallow Velocity Anomaly Problem; #90211 (2015)

Emil Blias

Search and Discovery.com

... to determine shallow velocity structures and remove their influence on stacking velocities and imaging. This technology includes four main steps: (i) High...

2015

Observations of Intrinsic Anisotropy in Varied Geologic Settings, #40562 (2010)

Lori A. Hathon, Michael T. Myers

Search and Discovery.com

... and into a direction perpendicular to the fast azimuthal velocity. Intrinsic azimuthal anisotropy in the thrust belt sands averaged 15% in both crestal...

2010

Entrainment and Distribution of Different Sand Sizes Under Water Waves

Peter Nielsen

Journal of Sedimentary Research (SEPM)

.... L., AND ISAACS, F. D., 1977, The motion of a small sphere in a rotating velocity field: a possible mechanism for suspending particles in turbulence...

1983

Flow Transformations in Particulate Gravity Currents

Dave Waltham

Journal of Sedimentary Research (SEPM)

.... The drop in velocity can result in a dramatic increase in sediment loss from the flow, which is important in its own right but can also indirectly influence...

2004

Ultrasonic measurements of elastic anisotropy of granitic rocks for enhanced geothermal reservoirs

Mayra D. L. Carrasquilla, Jake Parsons, Teng Long, Min Sun, Yingcai Zheng, De-Hua Han

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the effect of S-wave velocity; 𝜖 symbolizes the relative difference between the velocities of the P-wave in the propagation direction and perpendicular...

2023

Effect of Mineralogy on NMR, Sonic, and Resitivity: NMR, Sonic, and Resistivity: A Case Study of the Monterey Formation

Saul Rivera, Manika Prasad

Unconventional Resources Technology Conference (URTEC)

... factors taken into consideration for the placement of ultrasonic crystals for velocity measurements under pressure. The first is the direction...

2014

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... for a VTI medium (Thomsen, 1986), using parameters G and H. Anisotropy has a greater influence on the description of the velocity for S-wave than with P...

Unknown

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... for a VTI medium (Thomsen, 1986), using parameters G and H. Anisotropy has a greater influence on the description of the velocity for S-wave than with P...

Unknown

Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia

David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho

Indonesian Petroleum Association

... use of isochrons, amplitude, variance images, amplitude versus offset (AVO), acoustic impedance, seismic facies and detailed velocity estimation...

2005

Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub-Volcanic Hydrocarbon Exploration

Pongga Wardaya, Erlangga Septama, Vida Irine Rossa, Richie Rahmat Pratama, Rusalida Raguwanti

Indonesian Petroleum Association

..., 7, and 8. Some 2D depth sections of the shear wave velocity profile for selected lines in West-East direction are shown in Figure 9. Consistent...

2021

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