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The AAPG/Datapages Combined Publications Database

Showing 5,194 Results. Searched 200,693 documents.

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Subaerial Debris-Flow Deposition in the Upper Paleozoic Cutler Formation, Western Colorado

Albert W. Shultz

Journal of Sedimentary Research (SEPM)

... and inverse grading are visible in D, but grading is generally not well developed in either lithofacies. Imbrication of clasts, although more pronounced...

1984

Internal multiple elimination with an inverse-scattering theory guided deep neural network

Zhiwei Gu, Liurong Tao, Haoran Ren, Ru-Shan Wu, Jianhua Geng

International Meeting for Applied Geoscience and Energy (IMAGE)

...Internal multiple elimination with an inverse-scattering theory guided deep neural network Zhiwei Gu, Liurong Tao, Haoran Ren, Ru-Shan Wu, Jianhua...

2022

High Resolution Seismic Reflection and Geoelectrical Resistivity Imaging at Pengkalan School Teacher's Quarters Pegoh, Ipoh, Malaysia

Mohammed Ismael Abu Shariah, Abdul Rahim Samsudin, Umar Hamzah, Abdul Ghani Refak

Geological Society of Malaysia (GSM)

.... The Two dimensional resistivity inverse models of the traverse lines are showing the low resistivity anomalies. These anomalies are interpreted...

2000

Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell

Search and Discovery.com

... to reconstruct an image of such reflectivity is to apply the inverse of the modeling operator to the recorded data. However, because of the high dimensionality...

2018

On Traction-Carpet Sedimentation

Y. K. Sohn

Journal of Sedimentary Research (SEPM)

... of the bed, rather than via en masse freezing, while the downward grain flux from the overlying flow maintains the . The thickness of a traction-carpet...

1997

Integrated 3D inversion of magnetotelluric and HeliTEM data collected in the geothermal area of Japan

Alexander Gribenko, Leif Cox, Michael Jorgensen, Michael S. Zhdanov, Masami Ikeya, Yusuke Usui

International Meeting for Applied Geoscience and Energy (IMAGE)

... distribution to the depths up to 500 m. The HeliTEM inverse model provides essential information about the near-surface conductivity distribution...

2022

Robust joint inversion and segmentation of 4D seismic data

Juan Romero, Matteo Ravasi, Nick Luiken

International Meeting for Applied Geoscience and Energy (IMAGE)

... fields to carbon capture and sequestration. Time-lapse seismic inversion is however, a notoriously ill-posed inverse problem: the band-limited nature...

2022

A New Approach to Measure Organic Density

Son T. Dang

Unconventional Resources Technology Conference (URTEC)

... and mineral true grain density, and potentially measured k – as inverse weight fraction of organic carbon to organic matters. Kvalue seems to be a good...

2014

Uncertainty quantification for full-waveform inversion with a mini-batch gradient-based sampling method

Zeyu Zhao, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... for uncertainty quantification in geophysical inverse problems by including derivative information in MCMC sampling (Martin et al., 2012; Biswas and Sen...

2022

3D inversion of electromagnetic logging-while-drilling data

David Marchant, Nigel Clegg, Luke Rawsthorne, Jari Kunnas

Petroleum Exploration Society of Australia (PESA)

... shelf is presented. METHODOLOGY In this section, we discuss the methods applied in the solution of the forward and inverse problems. Forward Modeling...

2019

Possible Utilization of Electrophoretic Phenomenon for Separation of Fine Sediments Into Grades

George Tchillingarian

Journal of Sedimentary Research (SEPM)

... cataphoretic velocity. An inverse relationship between size and velocity of clay particles treated with NaOH is shown. Results shown in table 1 also...

1952

Question of the Formation of Sulfur Oils in Nature (According to Data from Central Asia)

Kh. A. Ravikovich

Petroleum Geology: A Digest of Russian Literature

... there should be a direct genetic relationship between the sulfurization of oil and the carbon dioxide in the gas and an inverse relationship with respect...

1977

Experience in the Use of the Common-Depth-Point Method for Study Deep Triassic Sediments of East Stavropol

Yu. Ye. Maksin, G. N. Chepak, V. I. Iodis

Petroleum Geology: A Digest of Russian Literature

... to be made on reflecting horizons of the Permo-Triassic. Comparison of the common depth point time section with inverse D-transform time section for profile...

1978

Fullband imaging

Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai

Petroleum Exploration Society of Australia (PESA)

... in general. By applying Q Tomography on the common image gathers (CIGs) in two separate steps to obtain Qa and Qb, we generated an inverse Qt (1/ Qt...

2016

Impossibility of Bernoulli Pressure Forces on Particles Suspended in Boundary Layers: REPLY

James M. Mattinson, Richard V. Fisher

Journal of Sedimentary Research (SEPM)

... turbidite-conglomerate series, California; inverse grading: Jour. Sedimentary Petrology, v. 38, p. 1013-1023. SOUTHARD, J. B., 1970, Impossibility...

1970

Climatic and tectonic controls of lacustrine hyperpycnite origination in the Late Triassic Ordos Basin, central China: Implications for unconventional petroleum development: Discussion

G. Shanmugam

AAPG Bulletin

... but is missing from the paper by Yang et al. (2017b). THE HYPERPYCNITE FACIES MODEL Inverse to Normal Grading The term “hyperpycnite” (i.e., deposits...

2019

Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)

Scott Leaney and Chris Chapman

Search and Discovery.com

...ry, AB, Canada Chapman and Leaney (2012) (eq. 87) write the potency tensor as [ ] ̂̂ [ ] ̂̂ , (2) where is the compliance tensor, the inverse of the...

2014

Rayleigh Inversion Application Study in Some Areas of Middle East, #42217 (2018).

Fuhao Jiang

Search and Discovery.com

... optimization processing: Three steps are adopted to optimize the model depth: (a.) use the maximum depth to build model and inverse; (b.) adopt...

2018

Deblended-Data Reconstruction Using a Closed-Loop Approach for Time-Lapse Seismic Monitoring, #42320 (2018).

Tomohide Ishiyama, Mohammed Y. Ali, Gerrit Blacquire, Shotaro Nakayama

Search and Discovery.com

... as an inverse problem with quantifying the coherency and its solutions by selecting optimal metrics of the coherency. To solve the inverse problem, we...

2018

The Interpretation of Gravity Anomalies

E. V. McCollum

Tulsa Geological Society

... sources considered separately. Since, as a direct consequence of Newton's Inverse Square Law, the summation of all measurable gravity effects is obtained...

1944

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