Certification of Professional Geologists--Correction: GEOLOGICAL NOTES

Wallace E. Pratt

AAPG Bulletin

... of A.I.P.G. than of A.A.P.G. The context should make apparent my error but I should put on record also an explicit correction. End_of_Article - Last_Page...

Domestic Uranium Exploration--Another Perspective: ABSTRACT

Clinton D. A. Dahlstrom

AAPG Bulletin

... in exploration is an explicit or intuitive judgment that the orebodies found will be rich enough and the market strong enough to support profitable...

New perturbation-based traveltime approximation for elastic VTI media

Shibo Xu, Alexey Stovas, Xingguo Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the anelliptical implicit form then transform to explicit with the elliptical assumption for the corresponding slowness given by M1 = 2 x 2 z 2 ( v 2 0 − vs20...

Geologic-carbon-sequestration potential of the Ordovician St. Peter Sandstone, Michigan and Illinois Basins, United States

David A. Barnes, Kevin M. Ellett, and John A. Rupp

Environmental Geosciences (DEG)

... be encountered to the east of the boundary line shown in Figures 9 and 10, but the highly variable extent combined with a depth of occurrence...

Estimating the Line of Correlation

Norman Macleod, Peter Sadler

Special Publications of SEPM

... optimization search strategies can also be combined with a multivariate representation of raw stratigraphic data to locate highly economical LOCs...

Hybridised Weighted Boot-Strap Differential Semblance

Hamish Wilson, Lutz Gross

Petroleum Exploration Society of Australia (PESA)

... albeit to other semblance schemes. Key words: Semblance, Boot-strapping, Normal Moveout, Weighting, Differential Semblance INTRODUCTION In seismic...

Implicit and Explicit models of fractures and their properties, by Colin Daly; #90029 (2004)

Search and Discovery.com

Cyclicity of Devonian Strata in the Western Canada Sedimentary Basin

J.C. Wendte

Special Publications of SEPM

... interior of North America into six unconformity-bounded sequences. Explicit in both schemes was the recognition that unconformities are of a long...

Time Frequency Gathers: An Optimal Spectral Decomposition Analysis Approach

Badsha Basu Roy

Indonesian Petroleum Association

... defining an explicit window using interpreted surfaces. This introduces interpreter bias as optimal window, and by extension, the viability...

A strategy for acoustic impedance direct inversion in depth domain

Ruiqian Cai, Chengyu Sun, Shizhong Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...-depth transform and of inversion, and therefore it can directly invert the acoustic impedance from the depthdomain seismic data. Firstly, we derive...

Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)

Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang

Search and Discovery.com

... and Geosciences Show A ringing noise attenuation technique based on TauP transform is proposed. First, TauP transform is used to transform DAS-VSP data...

An Effective Numerical Model for Fracture-Stimulated Condensate Reservoir Production History Matching, Surveillance, and Prediction

Xinli Jia, Andrey Filippov, Vitaly Khoriakov, Timothy McNealy

Unconventional Resources Technology Conference (URTEC)

...) method and a robust implicit pressure explicit saturation (IMPES) method. As an example, Figure 3 shows a calculated pressure distribution...

Reactive transport modeling of early burial dolomitization of carbonate platforms by geothermal convection

Fiona F. Whitaker, Yitian Xiao

AAPG Bulletin

... but at the break of slope of distally steepened ramps.In contrast, explicit modeling of dolomitization by geothermal convection is in its infancy...

A Different Perspective on Critically Stressed Fractures and Their Impact on Fluid Flow, #41877 (2016).

Kevin Bisdom, Giovanni Bertotti, Hamidreza M. Nick

Search and Discovery.com

... of the fracture surface itself, combined with minor amounts of shearing during opening, provides an additional explanation for the occurrence...

Damage and plastic deformation of reservoir rocks: Part 1. Damage fracturing

Seth Busetti, Kyran Mish, Ze'ev Reches

AAPG Bulletin

...(1989)115:2(345).Mazars, J., and G. Pijaudier-Cabot, 1996, From damage to fracture mechanics and conversely: A combined approach: International Journal...

3D pre-trained transformers for seismic fault detection, image denoising and dense horizon interpretation

Enning Wang, Peter Lovely, Lachlan Wright, Sarah Vitel, Anusha Sekar, Maisha Amaru

International Meeting for Applied Geoscience and Energy (IMAGE)

... down sampling improves vertical fault continuity. to poor illumination, resolution, and noise combined with low throw faults. We benchmarked three...

Determination of Geomechanical Parameters from Geophysical Logs: Section IV. Exploration Methods

M. B. Dusseault

AAPG Special Volumes

.... Geophysical logs are too insensitive to yield explicit design values in this case. BULK DENSITY AND POROSITY The value of bulk density data for determining...

Tidal Marshes: The Marginal Landscapes of San Francisco Bay

Karl Malamud-Roam, Stuart Siegel, Michelle Goman, Lisa Wells

Pacific Section SEPM

..., the rate of sediment accumulation must exceed the combined rates of subsidence and relative sea level rise. If both conditions occur, the marsh...

Integrated Petrophysical Methods for the Analysis of Reservoir Microarchitecture—a Kansas Chester Sandstone Case Study

John H. Doveton

Kansas Geological Society

... is contained implicitly in the log data, although measurements from core are needed to make the reservoir controls both explicit and quantitative. Logged zones...

Plate Tectonics, Seafloor Spreading, and Continental Drift: an Introduction

Peter J. Wyllie

AAPG Special Volumes

... (1858) seems to have been the first of several works in the 1800s in which continental drift is explicit or implicit. Continental drift certainly...

Automated velocity modeling with domain transformations

Kevin Gullikson, Arnab Dhara, Ram Tuvi, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... transform to create several channels of constant-p sections, a U-Net to predict a timedomain velocity model, and finally an explicit time-to-depth...

Multiple-point Geostatistics: A Quantitative Vehicle for Integrating Geologic Analogs into Multiple Reservoir Models

Jef Caers, Tuanfeng Zhang

AAPG Special Volumes

... calculations rely on a decision or assumption of stationarity.It is important to list or make explicit the assumptions of stationarity. The model...

Dynamic Geo-Process Modelling: A Technique to Help Identify Favorable Prospects

Michael J. Zeltlin

Indonesian Petroleum Association

... by drilling favorable prospects. The best prospects generally result from the combined assessment of a basin sedimentary fill, the type and distribution...

Extremely weak supervision inversion of multiphysical properties

Shihang Feng, Peng Jin, Xitong Zhang, Yinpeng Chen, David Alumbaugh, Michael Commer, Youzuo Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... explicit governing equations, conventional multi-physical inversion techniques will not be feasible and data-driven inversion requires expensive full...

Challenges in Modelling of Hydraulic Fracturing in Low-Permeability Coal Seams with Complex Cleat Networks and Stress Regimes

Mohammad Ali Aghighi, Raymond Johnson Jr., Chris Leonardi

Australian Petroleum Production & Exploration Association (APPEA) Journal

... to simulate hydraulic fracture propagation for several decades (e.g. Aghighi et al. 2008; Sato et al. 2013). However, explicit modelling of a NFR using FEM...