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The AAPG/Datapages Combined Publications Database

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An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma

Jan Dodson, Roger A. Young, Kevin Smart

Oklahoma City Geological Society

... as they travel through layers of known velocity (Sheriff, 1991). Snell's law states when a sound wave reflects from a surface, the angle of incidence equals...


Dynamic Relationship Between Hydraulics and Sedimentation in the Altamaha Estuary

Glenn S. Visher, James D. Howard

Journal of Sedimentary Research (SEPM)

... cycles produces a stratified estuary with highest flow velocity below the highest rate of salinity change. This relation results in upper flow regime...


Refraction Statics, A Comparison Among Processing Contractors

Bambang Sudewo

Indonesian Petroleum Association

.... They affect velocity analysis, reflection continuity, resolution and apparent structure. When statics supplied from the field are inadequate...


Unlocking Potential Reservoir of Pre-Parigi Carbonate to New Opportunity Gas Field; A Case Study of Belut Structure - Offshore North West Java

Lambertus Fransisco Yulianus, Yasinta Dewi Setiawati, Sandra Radiansyah, Prawoto I. Syuhada

Indonesian Petroleum Association

... – base formation which is most suitable as it accounts for vertically variable velocity and spatially variable thickness. Determination...


Seismic Stratigraphic Model of Depositional Platform Margin, Eastern Anadarko Basin, Oklahoma: Section 3. Stratigraphic Models from Seismic Data

William E. Galloway , Marshall S. Yancey , Arthur P. Whipple

AAPG Special Volumes

... in the synthetic. Velocity variation dominated the seismic response; thus density was not used as a variable in subsequent work. End_Page 440...


Lift Forces on Suspended Sediment Particles in Laminar Flow: Experiments and Sedimentological Interpretation: NOTES

John B. Southard

Journal of Sedimentary Research (SEPM)

... the surrounding fluid, producing a relative velocity (3) the velocity gradient in the undistributed flow away from the particle is not constant...


Marine Broadband Seismic Data Acquisition: PETRONAS Perspective (Paper A1)

C. F. Low, S. Chandola, Z. M. Zawawi, A. Aziz Muhamad, S. Kumar, M. Shah Sulaiman

Geological Society of Malaysia (GSM)

... to be reconstructed using the pressure sensor data. This limits the usage of velocity sensor data for low frequency enhancement. In variable depth streamer...


A Novel Method for Experimental Characterization of the Poroelastic Constants in Unconventional Formations

Deepak Gokaraju, Munir Aldin, Akshay Thombare, Abhijit Mitra, Sudarshan Govindarajan, Robert Patterson

Unconventional Resources Technology Conference (URTEC)

... velocity, axial and radial strains were measured to evaluate the use of velocity as a gauge. Two Linear Variable Differential Transformers (LVDT) were...


Crustal Structure and Evolution of an Explosive Silicic Volcanic System at Yellowstone National Park

Robert B. Smith, Lawrence W. Braile

Wyoming Geological Association

... incident teleseismic rays pass through a residium of variable-composition low- and high-velocity material with an average vertical velocity 10-20 percent...


Carbonate Reservoir Characterization Using the Cementation Factor: A Case Study of Little Cedar Creek Field, Onshore Alabama

Qifei Huang, Yuefeng Sun

GCAGS Journal

... velocity can be estimated as shown in Equation 10. Vs  Vp (1   )    Ks (10) s The derivation of Vs requires the input of a variable f...


Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect.

Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... and field development. The fault shadow effect, caused principally by the low velocity Leon-C1 zone, creates false anticlinal structure in time whereas...


Constraints on Eolian Grain Flow Dynamics Through Laboratory Experiments on Sand Slopes

Richard R. McDonald , Robert S. Anderson

Journal of Sedimentary Research (SEPM)

... velocity fluctuations. Ramps are highly variable from one flow to the next in both length (2-10 cm) and duration (from a few tenths of a second...


Chapter 7: Estimating the Thickness of Thin Beds

Tom Wittick

North Texas Geological Society

... with higher acoustic impedance than the host rock and those with lower acoustic impedance than the host rock. Since velocity is normally the dominant...


Estimating the Thickness of Thin Beds

Abilene Geological Society

... the host rock and those with lower acoustic impedance than the host rock. Since velocity is normally the dominant component of the acoustic impedance...


Reef Exploration in Michigan Basin: Problems and Solutions: ABSTRACT

James Lee, Ron Budros

AAPG Bulletin

..., velocity, and "noise" problems. Judicious application of good basic data processing procedures with particular attention paid to statics corrections...


ABSTRACT Variations in Rifting Style and Structure of the Scotian Margin Atlantic Canada from 3-D Gravity Inversion, #90104 (2010)

Dehler Sonya; Welford Kim

Search and

..., to a dominantly non‐volcanic  style. Velocity models derived from refraction profiling highlight the different responses of the southern, central, and northern...


ABSTRACT Effect of Volcanic Bodies on Hydrocarbon Reservoirs in the North-Eastern Part of Chicontepec Foredeep, Mexico, #90104 (2010)

Sarkar Supratik; Marfurt Kurt J.; Slatt Roger

Search and

... the volcanic interval, which show spikes of low gamma ray, high resistivity, variable density and low velocity at  the volcanic layers. The velocity anomaly...


ABSTRACT: The appliance of different migration methods while processing of mid-frequency seismic data on the shelf of the Black Sea; #90109 (2010)

Iuliia Tsup

Search and

... was the elimination of diffracted waves and reflection branches on the areas with rugged (strong variable) sea-floor relief using different types of migration...


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