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The AAPG/Datapages Combined Publications Database

Showing 27,473 Results. Searched 190,755 documents.

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Hydraulic Factors Controlling the Shape of Laminae in Laboratory Deltas

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

... to eliminate the effect of this variable. Increase in velocity at constant depth of flow.--The relationship between velocity and depth of streamflow...


High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study

Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc

Indonesian Petroleum Association

... the complexity of the overburden consists of several thin multilevel channel systems filled with a combination of anomalously high or low velocity sediments...


Bed Configurations in Steady Unidirectional Water Flows. Part 2. Synthesis of Flume Data

John B. Southard, Lawrence A. Boguchwal

Journal of Sedimentary Research (SEPM)

.... (September), Data from 39 flume studies that report equilibrium bed configuration as well as water temperature, flow depth, flow velocity...


True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)

M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin

Indonesian Petroleum Association

.... Depth variable smoothing was applied after Dixtransformation to remove unreal velocity variations in the deeper section caused by the presence...


Turbulent Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... 5.19D in exaggerated form, For d/D values below about 2 or 3 most or all of the velocity profile is spatially variable in this way. It's not well known...


Transportation of Detritus by Moving Water: Part 1. Transportation

Filip Hjulstrom

AAPG Special Volumes

..., however, from what has been said above that the choice of the average velocity as an independent variable must be regarded as a temporary substitute until...


An Explicit Full-Range Settling Velocity Equation for Mud Flocs

Kyle Strom, Ali Keyvani

Journal of Sedimentary Research (SEPM)

... and variable fractal dimension over a range of parameter space is presented. The model is also compared to historic settling-velocity data from in situ...


Rock Physics Modeling Optimizing Well Log and Core Data for the Abadi Gas Field

Shinji Matsuura

Indonesian Petroleum Association

... to the seven wells in the Abadi gas field. P-wave velocity (Vp) and S-wave velocity (Vs) from sonic-log is available in all the seven wells in the field...


Abstract: Approaches to Finding New Gas in Mature Fields: An Example from the Middle Frio, Onshore Texas Gulf Coast Basin.

R. A. Levey , R. R. Ray , R. Single , R. I. Finley

GCAGS Transactions

... character. A comparison of velocity-only derived synthetics to velocity/density derived synthetics show a close similarity. Observed amplitude variations...


Abstract: Sensitivity Analysis and Application of Time-lapse Full Waveform Inversion: Synthetic Testing, and Field Data Example for Monitoring An Underground Gas Blowout, The North Sea, Norway; #90254 (2016)

Hadi Balhareth, Martin Landro

Search and

... analysis showed it is possible to detect the weak velocity change with this non-optimal seismic input. The detectability was qualitative with variable...


ABSTRACT: Characterizing a Morrow Sandstone Reservoir through Stratigraphic Interpretation of 3-D Seismic Data, Sorrento Field, Colorado

Sandra Mark, Roger M. Slatt, David C. Rampton

Kansas Geological Society

... the multiple fluid contacts and variable performance of wells in this field. The petroleum industry has been challenged to characterize Morrow reservoirs...


High-Resolution Marine Seismic Profiling: ABSTRACT

Julian K. Pawley

AAPG Bulletin

..., and the acoustic source is equally effective in freshwater or saltwater areas. A procedure has been developed for high resolution recording at variable...


Abstract: Controlled Sensitivity Tomography for Depth Imaging the NAZ Surveys in the Nile Delta's Messinian; #90254 (2016)

Ahmed El-Bassiony, Suhail Butt, David Cavalin, Ramadan Ramadan, Howard Crook

Search and

... and the failure in capturing these complexities in conventional model building. The presence of high velocity pods inside the Messinian, with variable...


Sonic Velocity in Carbonates„A Combined Product of Depositional Lithology and Diagenetic Alterations

Flavio S. Anselmetti, Gregor P. Eberli

Special Publications of SEPM

... again In Clino value Fig 7C documenting the elastic behavior of the high velocities are high and very variable to a depth of approximately 274 m velocity...


Seismic Refraction Studies in Gulf of California

Richard P. Phillips

AAPG Special Volumes

..., with an average velocity of 4.13 km/sec and a range of values from 3.35 km/sec to 5.04 km/sec, appears to have the most variable velocity of the layers...


The effect of morphology on postmortem transportation of bivalves and its taphonomic implications

Devapriya Chattopadhyay, Ashish Rathie, Anirban Das


..., and ornamentation played an important role in dictating the hydrodynamic properties of shells. This study demonstrates that threshold current velocity...


Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration

Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao

Indonesian Petroleum Association

... field (smoothed using depth converted, interpreted horizons in a geologically consistent manner), together with a variable water layer velocity function...


Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)

Yongwang Ma and Gary Margrave

Search and

... extrapolation by spatially variable phase shift is currently a migration tool of importance. In this paper, we present a new prestack seismic...


ABSTRACT: Modeling Pore Pressures and Fluid Flow in a Faulted Shelf System Using a 3-D Basin Model Coupled to Seismic Velocities; #90061 (2006)

Tina Grace Fitts, Rachel H. Paez, Jim C. Pickens, Robert M. Schapiro, Pamela A. Reynolds, and David M. Chao

Search and

... setting in which the depth of pressure onset is variable and was poorly understood demonstrates how the modeling exercise can clarify which processes...


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