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The AAPG/Datapages Combined Publications Database
Showing 1,737 Results. Searched 200,685 documents.
Abstract: Wavelet Estimation by Non-Linear Optimization of All-Pass Operators; #90211 (2015)
Somanath Misra and Mauricio Sacchi
Search and Discovery.com
... the third order cumulants, the fourth order cumulants do not vanish when the reflectivity series is symmetric (Walden and Hosken, 1986). Tugnait (1987...
2015
Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)
Langqiu Sun
Search and Discovery.com
... the correlation wavelet being distorted as propagation distance changing. In both experiments, peaks of the correlation wavelets drifted away from the zero lags...
2015
Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)
Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen
Search and Discovery.com
... and, as a consequence, the drastic variations of the downgoing wavelets for different source positions. Careful treatment of the source wavelet is crucial for FWI...
2015
Surface Microseismic Monitoring of Hydraulic Fracture Stimulations, Bakken Formation, Nesson
David Abbott, Sherilyn Williams-Stroud, RonShaffer
Search and Discovery.com
... – Red 1000 feet @ 55 degrees 42X-36 Symmetric N/S Zone with half-length of 250 feet Events are sized by relative amplitude 44X-36 500 feet @ 130...
2009
Opening of the North Atlantic and Norwegian - Greenland Sea Basin - Lessons from the South Atlantic; #30190 (2011)
Chris Parry
Search and Discovery.com
... symmetric spreading model can be used to explain the opening of the Norwegian – Greenland Sea. NW-SE trending, coast-perpendicular fracture zones...
2011
The Identification and Implication of Injectites in the Shwe Gas Field, Offshore Northwestern Myanmar; #20225 (2013)
Stephen Cossey, Dongil (David) Kim, Su-Yeong Yang, and Ho Young Jung
Search and Discovery.com
... distribution - Dominant Ta facies, lack of Tb/Tc facies - Symmetric distribution within injectite - Normally turbidite shows fining upward trend G3.2 G5.2 14...
2013
Evaluating Hydrocarbon Migration Paths Using Fault Displacement Distributions, #41234 (2013)
Pablo Giampaoli,
Search and Discovery.com
... over the deep and shallow segments along the main faults. Single fault throw profiles are symmetric with greater values at its center and zero...
2013
Displacement Length Linkage Model Applied to Footwalls Traps: Examples from the Eastern Llanos Basin of Colombia, #10568 (2014)
Oscar Lopez-Gamundi, Diana P. Carrascal, Andrea Pablos
Search and Discovery.com
... or there is no seismic cover. Conclusions 1. Examples of simple, complete or incomplete, symmetric (unimodal) D-L relationship plots or profiles...
2014
Fourier Analysis of the Laminated Facies of the Middle Bakken Member, Sanish-Parshall Field, Mountrail County, North Dakota, #50996 (2014).
Virginia A. Gent, Stephen A. Sonnenberg
Search and Discovery.com
... system. LAMINATION THICKNESS - cm FOCUSED DATA SET INITIAL TIME PERIOD Bartleson 44-1H periodogram - first 327 laminations Non-symmetric sequence...
2014
Sedimentological Criteria for Distinguishing Stacked Dune-trough Muds from Muds in Inclined Heterolithic Strata in the Subsurface Insights from McMurray Formation Outcrops and Modern Analogues; #51023 (2014)
Milovan Fustic, Robert Dalrymple, Rudy Strobl, Bryce Jablonski, Eirik Vik, Allard Martinius
Search and Discovery.com
...) with the corresponding tidal-rhymite deposit (right). In this simplified symmetric tide example, three individual mud layers (black) are formed during the slack water...
2014
Structural Geology Observations Derived From Full Tensor Gravity Gradiometry Over Rift Systems, #41784 (2016).
Desmond FitzGerald, Horst Holstein
Search and Discovery.com
... zx g zy g zz g yy g yz Theory: • G is symmetric, • trace(G)=0 5 independent quantities Properties of the gradient tensor • Classic principal...
2016
The Three Elements of Structural Geology Part 8, #41849 (2016).
Engelder,
Search and Discovery.com
... zone at the tip of the fault is symmetric with respect to the fault • Within this zone, all points on a ray which goes through the tip line...
2016
Reconstruction of the Subsurface Depositional History of Onshore Niger Delta Basin; #30497 (2017)
John Onayemi, Sunday Oladele
Search and Discovery.com
... during landward shift of facies. Symmetric log signature reflect progradation and retrogradation occurring simultaneously. Uniformly deposited strata...
2017
Reservoir Characterization and Monitoring: From Inversion to Reservoir Characterization; #70243 (2017)
Runhai Feng, Stefan M. Luthi, Dries Gisolf, Siddharth Sharma
Search and Discovery.com
... represents the extreme misclassification asymptotically when C is all zeros except for two symmetric elements 𝐶 𝑖,𝑗 and 𝐶𝑗,𝑖 . 0 is reached when...
2017
Seismic Acquisition Optimization for Exploration in Thrust Belts and Foreland Basins; #42268 (2018)
Pedro Muñoz, Juan Uribe, Nestor Sanabria
Search and Discovery.com
... parameters Split Spread/ Symmetric, Roll On–Roll Off 12 Seconds 12 20 meters 50 holes 18 meters, carga 15 kg NODAL 2D Acquisition Parameters Recording...
2018
Explorations in TOC for Assessment of CO2 Storage and Enhanced Gas Recovery for the Middle Devonian Marcellus and Upper Ordovician Utica Shales for the Midwest Regional Carbon Sequestration Partnership; #80689 (2019)
Brandon C. Nuttall, Thomas N. Sparks, Stephen F. Greb
Search and Discovery.com
... Tested, most significant are shaded 7,001 Observations Total New York Ideally symmetric around 0 Stratigraphy varies across basin...
2019
How Not to Squander Billions on Your Next Unconventional Venture
Creties Jenkins, Mark McLane
Unconventional Resources Technology Conference (URTEC)
... program reduces the uncertainty of the average well outcome relative to drilling a single well. Note that the second graph has a more symmetric shape...
2019
3D Seismic Facies Classification on CPU and GPU HPC Clusters
Sergio Botelho, Vishal Das, Davide Vanzo, Pandu Devarakota, Vinay Rao, Santi Adavani
Unconventional Resources Technology Conference (URTEC)
... was to add convolutional layers to the up-sampling branch, making the decoder section symmetric to the encoder, which gives the network its "U"-shape...
2021
Underground Stresses
A. E. Scheidegger
CSPG Bulletin
... surface element under consideration and the summation convention is assumed to apply. The stress tensor ik is a symmetric tensor. The transformation...
1961
More on Drag and Settling
Gerard Middleton, John B. Southard
Special Publications of SEPM
... of vortices, even from the lee of regular symmetric bodies like spheres, is not perfectly regular and symmetric, but shares some of the characteristics...
1984
The Fall River Formation, Northwestern Black Hills: Lithology and Geologic History
Richard F. Dondanville
Wyoming Geological Association
... and lower boundaries are sharp, nonerosional. pRiple marks are common on the upper surfaces, symmetric ripples being much more common than asymmetric...
1963
Structural Analysis of the Boktukola Syncline, Central Ouachita Mountains, Oklahoma
Aaron Ball
Oklahoma City Geological Society
... Anticline (Figure 9) suggests the fold differs from Nunihchito Anticline and Boktukola Syncline. The Big One Anticline is a symmetric, steeply inclined, sub...
2014
From Semi-Circular Bending Test to Microseismic Maps: An Integrated Modeling Approach to Incorporate Natural Fracture Effects on Hydraulic Fracturing
Arash Dahi Taleghani, Ping Puyang, Bhaba Sarker, Miguel Gonzalez
Unconventional Resources Technology Conference (URTEC)
... in a symmetric double-wing fashion; these assumptions are likely to be erroneous in unconventional gas reservoirs where material properties and fracture...
2015
Multi-Disciplinary Data Integration for Inverse Hydraulic Fracturing Analysis: A Case Study
Arash Dahi Taleghani, Ping Puyang, Joel LeCalvez
Unconventional Resources Technology Conference (URTEC)
... model assumes a growing symmetric elliptical front for the development of induced fracture network. However, many microseismic maps reveal asymmetric...
2015
Complex Pre-Lewis Thrust Deformation, Southeastern Glacier Park, Montana
An Yin
Rocky Mountain Association of Geologists
... eastward. The western part of the frontal zone is characterized by gentle to open symmetric folds which are widely spaced (several hundreds of meters...
1991