Upper Miocene Depositional History of the Central Gulf of Mexico Basin

Wu, Xinxia,, Galloway, William E.

GCAGS Transactions

... is derivative of the original results of the Gulf Basin Depositional Synthesis (GBDS) project conducted by the Institute for Geophysics...

Large-Scale Fluid Migration Driven by Salt Dissolution, Bay Marchand Dome, Offshore Louisiana

R. Stephanie Bruno,, Jeffrey S. Hanor

GCAGS Transactions

... to the ratio of pore fluid pressure (P) to depth (D), P/D. We prefer restricting the term pressure gradient to the first derivative of pressure as a function...

Revisiting Frazier's Subdeltas: Enhancing Datasets with Dimensionality, Better to Understand Geologic Systems

James Flocks

GCAGS Transactions

... and y plane (e.g., latitude and longitude), and stratigraphic profiles represent an x,y-derivative and z plane (e.g., distance and depth). The figures...

Describing Well Spacing: Dimensionality at Work

Kiran Sathaye, Dillon Niederhut, Alexander Cui

Unconventional Resources Technology Conference (URTEC)

... derivative, until 12 wells per section where the production falls sharply. This is likely not reflective of the true trend, where we would expect...

Lognormal Size Distribution of Particulate Matter

Khalid Mahmood

Journal of Sedimentary Research (SEPM)

... was the first to be formulated. Had man been more adept at multiplication, the 'exponential-lognormal,' or normal, might have been the derivative distribution...

Small Scale Aeolian Bedforms

John M. Ellwood, Peter D. Evans, and Ian G. Wilson

Journal of Sedimentary Research (SEPM)

... a set of fifteen sieves, covering the aperture range 0.0044 cm-0.48 cm. Various derivative grain size characteristics were calculated such as grain...

Machine Learning using Multiple Seismic Attributes could be the Paradigm Shift in the Interpretation Process

Deborah K. Sacrey

GCAGS Transactions

... on Envelope Breaks, Envelope Bands on Phase Breaks, Envelope 2nd Derivative, Envelope Slope, Instantaneous Frequency, Prestack Time Migration (PSTM...

Deposition of Tar Balls Stranded in Sediments of the Upper Eocene Manning Formation, Somerville, Washington County, Texas

Thomas E. Yancey, Ibrahim Al Atwah

GCAGS Transactions

..., and organic acids, as derivative by-products of a biodegraded liquid petroleum source. Elemental (C, H, N, O, and S) composition, SARA (saturates...

Continental-Oceanic Boundary Deep Structure in a Shear Margin: Western Main Transform, Offshore Veracruz, Southern Gulf of Mexico

Juan R. Roman Ramos, Miguel A. Cruz Mercado, Luis E. Salomon Mora, Carlos Rosas Lara Fernando Sanchez Ferrer, Ed Biegert, Erik Bartsch

AAPG Special Volumes

.../s) in the lower crust to 7.68.6 km/s (4.75.3 mi/s) in the upper mantle. We modeled both free-air gravity and its first vertical derivative to ensure...

AAPG Methods in Exploration No.12, Chapter 4: Economic Analysis of Exploration Ventures

Pete Rose

AAPG Special Volumes

... not received the wide usage of its derivative, investment efficiency (Clapp, 1995). Another advantage of investment efficiency is that it can easily...

Glossary of Chemical Terms: Appendix B: Part I. Genesis of Petroleum, Compiled by Robert H. Dott

E. W. Biederman, Jr.

AAPG Special Volumes

.... Chlorophyll is a porphyrin derivative in which the four pyrrole nitrogens are complexed with magnesium (as Mg11). [FORMULA] The structure...

Application of sand percentage to evaluate fault seal risk

Robert Shoup, John Jong, Franz L Kessler

Geological Society of Malaysia (GSM)

... since the sand percent method is a derivative of the Shale Gouge Ratio method. We will then discuss the application of sand percent to evaluate seal...

Introduction to Contouring Geological Data with a Computer: Part 8. Integrated Computer Methods

J. L. Gevirtz

AAPG Special Volumes

... shapes. However, these functions have no direct geological significance. They have a continuous derivative everywhere within a triangle...

Passive Margin Stratigraphy: Chapter 8

Charles L. Angevine, Paul L. Heller, Chris Paola

AAPG Special Volumes

... by dropping the derivative that appears in equation 8.6. (The equilibrium shoreline location is, by definition, the place where the rate of change...

Integrated Geologic and Remote-Sensing Mineral Exploration in Baja California

Allan M. Thompson , Ralph N. Baker

AAPG Special Volumes

... and aeroradioactivity. Derivative information, such as residual anomaly maps, End_Page 13------------------------- is also of use. Remotely sensed data...

Aspects of Seismic Resolution: Chapter 1

R. E. Sheriff

AAPG Special Volumes

... together than an eighth wavelength, the waveshape stabilized as the derivative of the waveshape from an individual reflector and the amplitude...

III. Evidence of Faulting

Robert E. Sheriff

AAPG Special Volumes

... of the envelope and instantaneous frequency for a seismic line offshore Alaska (instantaneous frequency is the derivative of the instantaneous phase...

A Prototype Near-Field GIS Model to Characterize Acute Risks of Sequestered CO2 Release Through Orphan Wells

Kenneth T. Bogen, Frank J. Gouveia, Lee A. Neher, Steven G. Homann

AAPG Special Volumes

... surface that was GIS defined at 10-by-10-m (33-by-33-ft) digital elevation map (DEM) resolution, on a cell-by-cell basis. The second derivative...

Analytic Data on Nature of Urano-Organic Deposits

Andreas Haji-Vassiliou , Paul F. Kerr

AAPG Bulletin

... in the case of other urano-organic deposits because the associated organic matter is not readily recognizable as either coal, petroleum, or a derivative...

Assessing Source Rock Maturity in Frontier Basins: Importance of Time, Temperature, and Tectonics

John D. Pigott

AAPG Bulletin

... maximum or peak occurs. Setting the first derivative of equation 5 equal to zero and using a little algebra, we calculate the time of peak generation...

2019 AAPG Eastern Section Meeting

Search and Discovery.com

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

... for the Priddis data. Figure 5: Phase velocity derivative with respect to S, P velocities and density respectively for the fifth layer. AAPG Search...

Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)

Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli

Search and Discovery.com

... derivative. After performing a central second order finite difference (FD) approximation, an explicit scheme for solving the wave propagation in time...

Abstract: Interpolation Artifacts and Bidimensional Ensemble Empirical Mode Decomposition; #90224 (2015)

Jiajun Han and Mirko van der Baan

Search and Discovery.com

... to be smoother; from comparison, the envelopes of TPS-RBF show the smoothest results, as the second derivative is guaranteed to be continuous. In this case...

Abstract: Digital Expert for DAS Passive Seismic Monitoring: Integration of Image Processing and Geophysical Processing; #91204 (2023)

Takashi Mizuno, Joel Le Calvez, Nicholas Fundytus, and Pierre Bettinelli

Search and Discovery.com

... an edge detection of the seismic image data by thresholding the image file and computing the derivative in space. This leads SLB-Private Hosted...