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The AAPG/Datapages Combined Publications Database
Showing 1,739 Results. Searched 200,619 documents.
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
Impact of Heat Flux Anomalies Around Salt Diapirs and Salt Sheets in the Gulf Coast on Hydrocarbon Maturity: Models and Observations
J.J. O'Brien , I. Lerche
GCAGS Transactions
... and the surrounding rocks, and the heat flux across basement. At increasing dip angles the surface heat flux assumes a more symmetric form, becoming more like...
1988
Hydraulic Fractures in Core From Stimulated Reservoirs: Core Fracture Description of HFTS Slant Core, Midland Basin, West Texas
Julia F. W. Gale, Sara J. Elliott, Stephen E. Laubach
Unconventional Resources Technology Conference (URTEC)
... and are not related to the drilling process; they do not originate near the core margin and are not core symmetric. A stereogram plotted for poles...
2018
Triangle Zone and Thrust Wedge Geometries Related to Evaporitic Horizons (Southern Pyrenees)
M. Sans,, J.A. Munoz, J. VergeS
CSPG Bulletin
... and the northern fold a change from a symmetric detachment anticline to an asymmetric anticline cored by a thrust wedge. The transition from a salt...
1996
Two-dimensional Kinematic Modeling of the Southern Kirthar Fold Belt, Pakistan
J. N. Fowler, R. Graham, W. Sassi, J. D. Smewing, J. Warburton
AAPG Special Volumes
... the Foldis algorithm). As a result, many of the antithetic faults present in the initial interpretation (Figure 6) could not be simulated. Symmetric folds...
2004
Formation Anisotropy and Heterogeneity Evaluation with a High-Resolution LWD Ultrasonic Slowness Imaging Tool
Naoki Sakiyama, Hiroshi Hori, Hiroaki Yamamoto, Hiroshi Nakajima, Matthew Blyth, Syed Muhammad Fahim Ud Din, Mark Kittridge
Unconventional Resources Technology Conference (URTEC)
...e presence of anisotropy on the variation of slowness with orientation around the wellbore is expected to be approximately symmetric, with...
2020
Middle and Late Ordovician Shelf Activation and Foredeep Evolution, Central Appalachian Orogen: Chapter 4
Gary G. Lash
AAPG Special Volumes
..., 1979) is evidenced by slide surfaces that parallel and truncate bedding surfaces, respectively (Figure 5B). Symmetric, asymmetric (Figure 5C), and sparse...
1988
Mechanism of Microseismic Generation During Hydraulic Fracturing - With Evidence From HFTS 2 Observations
Yunhui Tan, Jiehao Wang, Peggy Rijken, Zhishuai Zhang, Zijun Fang, Ruiting Wu, Ivan Lim Chen Ning, Xinghui Liu
Unconventional Resources Technology Conference (URTEC)
... of the B2H well there were barely any microseismic events. We usually assume symmetric bi-wing fractures unless there is a depleted region close by. Why...
2021
Multiphysics characterization of hydraulic fracture height and parentchild well interference at HFTS-2
Zhishuai Zhang, Kurt Nihei, Jiehao Wang, Zijun Fang, Yunhui Tan, Daniel Emery, Amit Singh, Yuguang Chen, Chang Li, Dimitri Bevc
Unconventional Resources Technology Conference (URTEC)
... is symmetric. The parent wells affect the fracture propagation during child well stimulation in two ways. The first is that the stimulation...
2024
A Semi-Analytical Poroelastic Solution of Induced Pressure-Stress Changes and Its Applications to Depletion Delineation of Transversely Isotropic Shale Reservoirs
Shihao Wang, Yuzhe Cai, Bin Wang, Yunhui Tan, Kainan Wang, Jiehao Wang, Xinghui Liu, Yuguang Chen
Unconventional Resources Technology Conference (URTEC)
... values are symmetric about the vertical (z) axis and the plane of isotropy is parallel to the horizontal plane. Contrast to the arbitrary anisotropic...
2024
Flexure of the Lithosphere: Chapter 5
Charles L. Angevine, Paul L. Heller, Chris Paola
AAPG Special Volumes
...)] for nonnegative values of x. As you might expect, the deflection is symmetric about x = 0 (Fig. 5.4A). The quantity is known as the flexural parameter...
1990
Accumulation of Fine-Grained Sediments in a Periodically Energetic Clastic Environment, Cape Lookout Bight, North Carolina
John T. Wells
Journal of Sedimentary Research (SEPM)
... fathometer surveys over a period of months during this study indicate that inlet bathymetry is characterized by symmetric to ebb-dominated bedforms...
1988
Fabric Evolution and Mechanisms of Diagenesis in Fine-Grained Sediments from the Kita-yamato Trough, Japan Sea
Achim Kopf, Jan H. Behrmann
Journal of Sedimentary Research (SEPM)
... (001) poles are axially symmetric around the core axis (the vertical), with fabric intensities increasing with depth. These fabrics are proposed to have...
1997