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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 4,226 Results. Searched 200,357 documents.

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The Sedimentology of a Braided River

Peter F. Williams , Brian R. Rust

Journal of Sedimentary Research (SEPM)

... between channels, and invariably erosional. The origin and directional significance of hierarchical orders of sedimentary structures were studied. Six...

1969

Optimal Horizontal Well Placement: Formation Boundary Mapping While Drilling

Search and Discovery.com

... and directional sensitive resistivity measurements allow formation resistivity contacts to be mapped in real time. These measurements have a depth...

2013

Integrating Borehole Imaging and Full Waveform Dipole Sonic Data to Estimate Fracture Porosity in Tight Formations: A Workflow for Accurate Characterization of Natural Fractures; #42582 (2023)

Doina Irofti, Ghoulem Ifrene, Fethi Ali Cheddad, Safouane Djemai

Search and Discovery.com

..., or directional variation in the elastic properties of rock, can occur due to fractures present in rock formations. The varying velocities of shear waves...

2023

The Use of Grain Size Statistics to Distinguish Between High- and Moderate-energy Beach Environments

Karl F. Nordstrom

Journal of Sedimentary Research (SEPM)

... created by such very different processes as waves and winds. It was anticipated that the basic similarity of swash zone processes on beaches in general...

1977

Improved Wireline Density Acquisition in Elongated, Directional Boreholes Drilled Through Stressed Formations of Western Canada

Search and Discovery.com

...Improved Wireline Density Acquisition in Elongated, Directional Boreholes Drilled Through Stressed Formations of Western Canada Improved Wireline...

2013

Chapter 4 - Coastal Deposits and Facies

George P. Allen, John L. C. Chambers

Indonesian Petroleum Association

... types of transport processes, either simultaneously or at different periods of time, and a detailed study of sedimentary structures and facies can...

1998

Swell-Dominated Carbonates On A Mississippian Ramp In the Canadian Rocky Mountain Front Ranges

Edward J. Matheson,, Robert W. Dalrymple, Noel P. James

Journal of Sedimentary Research (SEPM)

... oscillatory currents are interpreted to have been generated by swell waves and to a lesser extent by local storms. High-angle, planar-tabular cross bedding...

2016

Response of the Shelf Floor to Flow

Donald J. P. Swift

Special Publications of SEPM

... to tidal flows. However, his argument that these bedforms are fundamentally different from sand waves seems largely semantic in nature. The spatially...

1986

Maximizing Efficiency of Deep-reinforcement Learning Agents in Autonomous Directional Drilling With Hyperparameter Optimization

Vivek Kesireddy, Georgy Kompantsev, Sheelabhadra Dey, Eduardo Gildin, Enrique Z. Losoya, Narendra Vishnumolakala

Unconventional Resources Technology Conference (URTEC)

...Maximizing Efficiency of Deep-reinforcement Learning Agents in Autonomous Directional Drilling With Hyperparameter Optimization Vivek Kesireddy...

2023

Abstract: A New Approach to Lithologic and Sedimentary Structure Analysis from Well Logs

Robert A. Young , Harold Darling

GCAGS Transactions

... by determining mineral concentrations from spectral and other log responses, using mineral-suite models applicable to the region. Rock classification...

1991

Evaluating the Role of Stress Factors in Trace-fossil Distribution along Mixed-influence Deltaic Systems of an Embayed Shoreline (Middle Jurassic, Sunrise Field of the Timor Sea, Australia and Timor-Leste)

L. Buatois, F. Burns, R. B. Ainsworth

Petroleum Exploration Society of Australia (PESA)

..., Palaeophycus heberti Uni-directional currents and waves. Alternating high and low energy. Long-term colonisation window. Table 1. Sedimentological...

2013

Abstract: Confidence and Accuracy of Microseismic Images; #90171 (2013)

S.C. Maxwell

Search and Discovery.com

... the variation through the microseismic image of SNR of both p- and s-waves as well as the percentage of the seismic array where each wave is visible...

2013

Experiment in the Use of Grouped Shots Using the Common Depth Point Method

M. D. Malykhin, Ye. I. Murashko, V. I. Rikhter, A. F. Sokolov

Petroleum Geology: A Digest of Russian Literature

... of these ages is registered. The most simple wave picture is recorded with shots in rocks of the Tatar stage. Low-velocity surface waves have Vk = 200-500 m/sec...

1979

Directional permeability anisotropy: a comparison of horizontal and vertical plug- and probe-permeabilities in sandstones

Rudi Meyer, Federico F. Krause

CSPG Special Publications

...Directional permeability anisotropy: a comparison of horizontal and vertical plug- and probe-permeabilities in sandstones Rudi Meyer, Federico F...

1998

3-D Geocellular Oil-Resource Determination in South Texas Frio Fluvial-Deltaic Reservoirs

Mark H. Holtz , Joseph Yeh , C. Y. Chang

GCAGS Transactions

... the spatial distribution of petrophysical and fluid saturations. The purpose of this study was to investigate the effects of different 3-D-modeling...

1997

Moment tensor inversion of perforation shots using distributed acoustic sensing

Milad Bader, Robert G. Clapp, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... shots in unconventional wells excite seismic waves that travel through the reservoir layer and get recorded by distributed acoustic sensing (DAS) fiber...

2022

Gravel-Filled Gutter Casts in Nearshore Facies „ Indicators of Ancient Shoreline Trend

Francesco L. Chiocci, H. Edward Clifton

Special Publications of SEPM

... shoaling waves As such they provide a useful indication of the shoreline trends in other ancient gravelly nearshore deposits In the Merced Formation high...

1991

Integrating deep directional resistivity with machine learning for improved well placement in the Nikaitchuq Field, North Slope Alaska

Christopher McCullagh, Joshua Zuber

International Meeting for Applied Geoscience and Energy (IMAGE)

...Integrating deep directional resistivity with machine learning for improved well placement in the Nikaitchuq Field, North Slope Alaska Christopher...

2023

Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)

Kristof De Meersman

Search and Discovery.com

... that is oriented in the vertical direction. Dipole sources are highly directional and emit both P-waves and S-waves (Figure 1). The theoretical...

2015

Longshore Drift: Trapped in an Expected Universe

J.A.G. Cooper, O.H. Pilkey

Journal of Sedimentary Research (SEPM)

... by large scale instabilities induced by high angle waves: Nature, v. 414, p. 296-299. End_Page 605------------------------ BODGE, K.R., AND KRAUS...

2004

Complex Electrical Conductivity of Mudrocks and Source-Rock Formations Containing Disseminated Pyrite

Siddharth Misra, Carlos Torres-Verdin, Dean Homan, John Rasmus,

Unconventional Resources Technology Conference (URTEC)

...nal responses. Interestingly, the R- and X-signal responses obtained in coaxial direction (Figure 8) are significantly different from that obtai...

2015

Seismic reservoir characterization in a VTI anisotropic media: Case study in Malay Basin

Amir Abbas Babasafari, Deva Prasad Ghosh, Seyed Yaser Moussavi AlAshloo, Yasir Bashir, Chica Sambo, Ahmed M.A. Salim

Geological Society of Malaysia (GSM)

... of this property on measurement directional. There are two type of anisotropy: intrinsic and induced. The intrinsic anisotropy is the result of dominant...

2018

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