Microseismic Event Spectrum Control and Strain Energy Release in Stressed Rocks; #40897 (2012)

Alexander O. Rozanov

Search and Discovery.com

..., propagation and recording of elastic waves. One of the main questions remains open - how do radiated elastic waves carry information about physical parameters...

Central Texas Coast Sedimentation: Characteristics of Sedimentary Environment, Recent History, and Diagenesis: PART 1

Francis P. Shepard, David G. Moore

AAPG Bulletin

... are ordinarily closed may be opened, carrying water into the bays (Fig. 4). Currents are considerably different in the open Gulf than in the bays. The waves...

EVALUATION OF ICHNODIVERSITY BY IMAGE-RESAMPLING METHOD TO CORRECT OUTCROP EXPOSURE BIAS

KAZUKI KIKUCHI, HAJIME NARUSE, NOBUHIRO KOTAKE

PALAIOS

..., the biodiversity of communities are compared with each other at the same value of the sample coverage parameter, which represents the sum of frequencies of each...

The Time Value of Money: Part 2. Economics and Risk Assessment

Robert S. Thompson

AAPG Special Volumes

... sum investment and the present value of a lump sum of money received in the future. The concept being applied is one of equivalence, in which...

Recognition of Ancient Shallow Marine Environments

Philip H. Heckel

Special Publications of SEPM

... on dominance of four PHILIP H 232 oxide silicate carbonate or Each sulphide facies group reflects different degrees of avail ability...

Phases of Sedimentation in Gulf Coastal Prairies of Louisiana

R. A. Steinmayer

AAPG Bulletin

..., attitude, and distribution of the recent deposits of the Gulf Coastal Prairies of Louisiana vary considerably in different localities, during the same...

Depositional Controls Over Porosity Development in Lithic Sandstones of the Appalachian Basin: Reducing Exploration Risk

Richard Smosna, Kathy R. Bruner

AAPG Special Volumes

... depositional processes, lithology, and porosity, we predict that sandstones of different sedimentary environments should exhibit distinct porosity volumes...

High-resolution hyperspectral-based continuous mineralogical and total organic carbon analysis of the Eagle Ford Group and associated formations in south Texas

Ahmed Alnahwi, Tobi Kosanke, Robert G. Loucks, James Greene, Xiuju Liu, and Paul Linton

AAPG Bulletin

...High-resolution hyperspectral-based continuous mineralogical and total organic carbon analysis of the Eagle Ford Group and associated formations...

Littoral Transport in the Surf Zone Elucidated by an Eulerian Sediment Tracer Experiment

David B. Duane, William R. James

Journal of Sedimentary Research (SEPM)

..., D. A., AND MATHEWS, M. D., 1971, The relationship between sphere and settling velocity: Jour. Sed. Petrology, v. 41, p. 7-18. HJULSTROM, F., 1935...

Heavy-Mineral Placer Deposits of the Continental Margin of Alaska and the Pacific Coast States

H. E. Clifton, G. Luepke

Circum Pacific Council Publications

... the sum­ mer months, waves are generally no more than a few deci­ meters high, but late fall storms may cause sea level to rise several meters and can...

Quantified Detection of Carbonate Cementation in Sandstones using Standard Wireline Log Data

Mark Bunch

Petroleum Exploration Society of Australia (PESA)

.... A wireline log model trained on these zones can predict carbonate cementation within Late Cretaceous to Paleocene reservoir sandstones of the Latrobe Group...

Peggys Cove: A Piece of Nova Scotia

Peter Wallace

Atlantic Geoscience Society Special Publications

... years. Caution Although many people enjoy gazing at the panoramic view of breaking waves at Peggys Cove, we urge you to exercise extreme caution. Large...

Sources of Recent Sediments in the Northern Gulf of Mexico

Tjeerd H. Van Andel, David M. Poole

Journal of Sedimentary Research (SEPM)

... of a mixture of material contributed by the rivers of the area and of detritus eroded from the Pleistocene deposits of the area by waves. Longshore drift...

The Characterization of Fracture Mechanisms Using a Combination of Surface Microseismic Imaging, Microdeformation Modelling, and Downhole Microseismic Mapping: an Examination of the Value of Moment Tensor Migration Imaging

Raquel Velasco, Kit Chambers, Stephen A. Wilson

Unconventional Resources Technology Conference (URTEC)

...) had consistent moment tensors within each group, but distinctly different failure mechanisms between the two areas. The events within each group were...

Multi-Disciplinary Data Integration for Inverse Hydraulic Fracturing Analysis: A Case Study

Arash Dahi Taleghani, Ping Puyang, Joel LeCalvez

Unconventional Resources Technology Conference (URTEC)

... workflow utilized different software modeling capabilities and could be a robust tool for evaluating naturally fractured reservoirs and further benefit...

Abstracts: CDP Noise Attenuation Using Local Linear Models; #90173 (2015)

Todor I. Todorov and Gary F. Margrave

Search and Discovery.com

... are surface waves (ground roll), guided waves, and multiple reflections. Random noise is not correlated from trace to trace. It includes a background ambient...

Multiple Component Analysis and Its Application in Classification of Environments

Richard B. McCammon

AAPG Bulletin

... of different environments. This approach was used to classify the 216 samples. The objective function chosen was the total within group sum of squares...

Amplitude Versus Offset Gradient Modeling Over a Minnelusa Field

W.E. Johnson

Rocky Mountain Association of Geologists

... locations. Rather than look at all three different traces, it became a practice to "stack" the data (sum the traces into one trace) to approximate what...

Unconventional Shale Gas Reservoir Characterization Using the HitCube Approach … Mapping of Marl-Rich Mudflows in the Horn River Basin; #41345 (2014)

Claire Pierard, Hardeep Jaglan, Kristoffer Rimaila, Arnaud Huck, Friso Brouwer, Steve Jensen, and Eric von Lunen

Search and Discovery.com

... properties of the marls are sufficiently different from the encasing shales to cause measurable effects in the composite seismic reflection response...

Abstract: The Approximate use of 1D Internal Multiple Prediction in a Multidimensional World: Errors and Recommendations; #90224 (2015)

Pan Pan and Kris Innanen

Search and Discovery.com

... reference velocity, is the prediction of the internal multiples. The the input data traces in pseudo-depth. (1) ⁄ , is entries are The above...

Source Rock Quality Determination from Oil Biomarkers II--A Case Study Using Tertiary-Reservoired Beaufort Sea Oils

Mark A. McCaffrey , Jeremy E. Dahl , Padmanabhan Sundararaman , J. Michael Moldowan , Martin Schoell

AAPG Bulletin

... in the relative abundance of C30 steranes (as a percentage of the sum of C27, C28, C29, and C30 steranes). Values for group 1 oils are contoured...

Abstract: Wave-Equation Propagation as a Body-Wave Filter, by Benjamin Witten and Brad Artman; #90105 (2010)

Search and Discovery.com

The "Sorting Out" of Geological Variables Illustrated by Regression Analysis of Factors Controlling Beach Firmness

W. C. Krumbein

Journal of Sedimentary Research (SEPM)

... in the sum of squares of the dependent variable is computed for all lines, planes, or surfaces fitted to the observed data to provide a criterion...

Paleocurrent Trend Analysis of a Delta in the Bjorne Formation (Lower Triassic) of Northwestern Melville Island, Arctic Archipelago

F. P. Agterberg, L. V. Hills, H. P. Trettin

Journal of Sedimentary Research (SEPM)

... two are probably curved in plan (Harms and Fahnestock, 1965; compare with Conolly, 1965). These different types of bars are all oriented obliquely...

The Influence of Mechanical Stratigraphy on the Evolution of the Papua New Guinea Fold and Thrust Belt, #51659 (2020).

Youseph Ibrahim, Patrice Rey, Luke Mahoney,

Search and Discovery.com

... a horizontal boundary velocity which pushes a rigid wedge-shaped indenter towards the left. The left wall in all models acts as a rigid backstop...