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The AAPG/Datapages Combined Publications Database

Showing 1,737 Results. Searched 200,685 documents.

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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

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