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The AAPG/Datapages Combined Publications Database

Showing 803 Results. Searched 197,434 documents.

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Regional Stratigraphic Analysis of a Pennsylvanian Carbonate Shelf and Margin in Kansas

W. Lynn Watney, Ricardo A. Olea, John C. Davis

Kansas Geological Society

... and offlap and forward- and backward-stepping stratal geometries are noted. Reliability of correlations was computed. Uncorrelated intervals result...

1999

Early Texas Oilfield Photographers

Jeff Spencer

Petroleum History Institute

... PHOTOGRAPHERS – Spencer essary to write backward way” (Wilson 1899). Loden apparently often forgot to flip his “d”! The earliest dated Loden oilfield...

2014

Parametric analysis of CO2 geologic sequestration in closed volumes

Srikanta Mishra, Yagna Deepika Oruganti, and Joel Sminchak

Environmental Geosciences (DEG)

..., curvilinear boundary fitted) and a backward-Euler temporal discretization (i.e., fully implicit). The nonlinearities in the resulting algebraic...

2014

Crisis by Consent

Michel T. Halbouty

Oklahoma City Geological Society

... anywhere else on earth. It would be political football, eventually run by dictators. If that ever happens, the American public will be faced with a backward...

1976

Formation Evaluation of Type-1 Fractured Basement Rocks Using Borehole Data

Adriaan A. Bal, Javier Franquet, Stephen Dymmock, Robert Maddock, Glen Palamountain, Ali Baradi, Dinah Pantic, Fermín Fernández-Ibáñez

Indonesian Petroleum Association

... of the well. Forward and backward modeling shows that the Stoneley permeability profile errors due to borehole irregularities are compensated...

2009

Seismic attenuation extracted from isolated traffic signals

Yumin Zhao, Yunyue Elita Li, Bei Li, Wei Luo, Zhaoyin Liu, Yuxuan Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... and ts c2 as As , A11 and A12 , respectively. c1 and c2 are constants. We assume the source radiates isotropically to both forward and backward...

2022

A practical implementation of data-space Hessian in the time-domain formulation of source extended full-waveform inversion

Gaoshan Guo, Stephane Operto, Ali Gholami, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... backward in time the deblurred FWI data residuals, where the deblurring operator is the inverse of the damped data-domain Hessian of the contrast-source...

2022

Theoretical Errors Lead to Practical Errors

P. Ya. Antropov

Petroleum Geology: A Digest of Russian Literature

...–we will be frank up to the very end–by very vulgar epithets. How much time was lost in the discovery of gas fields and how we were backward...

1961

DEPOSITIONAL ENVIRONMENTS, PALEOECOLOGY, AND BIOSTRATIGRAPHY OF ARIKAREEAN BOZEMAN GROUP STRATA WEST OF THE CONTINENTAL DIVIDE IN MONTANA

Donald L. Rasmussen

Montana Geological Society

..., both probably the result of bloating shortly after death of the gopher. The scapulae were slightly shifted backward, and the right...

1989

Accelerating innovation with software abstractions for scalable computational geophysics

Mathias Louboutin, Philipp Witte, Ali Siahkoohi, Gabrio Rizzuti, Ziyi Yin, Rafael Orozco, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... . parameters () ) # Compute the gradient w . r . t . the CNN weights , nlp . backward () # Sample with pSGLD . optim . step () samples . append ( x...

2022

Elastic full-waveform inversion using random space shift

Yuhui Yao, Jizhong Yang, Yuzhu Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... with CEFWI, with the minor difference that random space shifts are introduced into the forward- and backward-propagated wavefields. Thus, the computational...

2022

Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... .1190/1.2213359. Whitmore, N. D., 1983, Iterative depth migration by backward time propagation: 63rd Annual International Meeting, SEG, Expanded Abstracts, 382...

2022

Origin and History of the Gulf of Mexico

William F. Tanner

New Orleans Geological Society

... right-lateral displacement in the Appalachians, inferred from seismic data, should not be extrapolated backward into Paleozoic time, when...

1973

Introduction to Subsurface Groundwater Studies

Eric Eslinger, Uriel Oko, Jacqueline A. Smith, G. H. Holliday

Special Publications of SEPM

... with backward-pointing teeth (a "catcher") can be fitted into the nose of the sampler to prevent the sample from sliding out as the sampler is withdrawn from...

1994

Least-squares RTM with shifted total variation regularization for depth imaging of sparse short-offset seismic data

Toktam Zand, Andrzej Gorszczyk, Ali Gholami, Hasan Ghasemzadeh, Alison Malcolm

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 1983, Iterative depth migration by backward time propagation: 53rd Annual International Meeting, SEG, Expanded Abstracts, 382– 385, doi: https...

2022

Physical Properties Analysis of Limestone Reservoir Salawati Basin Using Seismic Acoustic Impedance Inversion (AI) Modelbased

Ahmad Musto'in, Mohammad Qodirin, Ayi Syaeful Bahri, Yulia Putri Wulandari

Indonesian Petroleum Association

... to characteistic reservoar. This methods include backward modelling methods, where in modelling using data input from accuisision data. Data input is seismic data...

2012

Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... at x and subsurface image point at p, with the backward extrapolated wave field R(p,x, ) for a given source location. This operation can...

2013

Coupled Geomechanics and Pore Confinement Effects for Modeling Unconventional Shale Reservoirs

Yi Xiong, Philip Winterfeld, Yu-Shu Wu

Unconventional Resources Technology Conference (URTEC)

.... Time discretization is carried out using a backward, first-order, and fully implicit finite-difference scheme. Figure 1: Space discretization...

2014

Deep compressed learning for 3D seismic inversion

Maayan Gelboim, Amir Adler, Yen Sun, Mauricio Araya-Polo

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Therefore, the forward-pass employs the binarization function, whereas the backward-pass utilizes the hard-sigmoid function σH (x), defined as follows: σH...

2023

Stakeholder Engagement to Ensure Sustainability in Infrastructure Development in Oil and Gas Industries

Alizar Anwar, Muhammad Subhan, Aldi Muhammad Alizar

Indonesian Petroleum Association

.... The Asian miracle refers to the relatively rapid industrialization and development of previously backward Asian nations into developed and sophisticated...

2013

Analysis of Bedding Orientations Within a Portion of the Ferron Sandstone Near Emery Utah

Dennis L. Nielson, Susan J. Lutz, Jeffrey B. Hulen, Paul B. Anderson

Utah Geological Association

..., backward and vertical stepping units are regarded as a result of the interaction between sediment supply and basin accommodation. Barton and Tyler...

1991

Cost Benefit Analysis of Gas Transportation Between Pipeline and CNG

Arsegianto, Darmadi, Evi Wahyuningsih, Houssene Fabrice Nissaraly, Muhammad Islahuddin, Bernard, Febi Haryadi

Indonesian Petroleum Association

... into technological externalities and pecuniary externalities (backward and forward linkages) COST BENEFIT ANALYSIS The CBA (cost benefit analysis...

2011

Wave-Front Diagrams in Seismic Interpretation

H. R. Thornburgh

AAPG Bulletin

... is then worked backward into the first underlayer and new coincident-time curves found for the second underlayer. These two coincident-time curves, one for each...

1930

"The Commercial Development of the Gilmore Gasfield"

F M BRAND

Petroleum Exploration Society of Australia (PESA)

... THE RESOURCE, PROVE IT UP, LOOK FOR THE MARKET, DEVELOP THE MARKET AND RESOURCE. THEN; BY BACKWARD INTEGRATION, LINK INTO THE PIPELINE OR WHATEVER INFRASTRUCTURE...

1993

Data selection for velocity model estimation using a circular shot OBN survey

Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

... and nodes positions in the seabed (Trinh et al., 2017; da Silva et al., 2023). The forward and backward wavefield propagation (Equations 1 and 4, respectively...

2023

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