Results 31 to 40 of about 453,822 (206)

A new approach to finding effective parameters controlling the performance of multi-stage fractured horizontal wells in low-permeability heavy-oil reservoirs using RSM technique

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
The application of multi-stage fractured horizontal well (MSFHW) due to its costly operation necessitates optimization of associated fracture parameters to ensure its economic success.
Armin Shirbazo   +2 more
doaj   +1 more source

An approximate model for cancellous bone screw fixation [PDF]

open access: yes, 2013
This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2013 Taylor & Francis.This paper presents a finite element (FE) model to identify parameters that affect the performance of an improved ...
A. Day   +31 more
core   +1 more source

Research on deep learning-based fracture network inversion method for shale gas reservoirs [PDF]

open access: yesYouqicang pingjia yu kaifa
Shale gas reservoirs are characterized by high compactness and significant heterogeneity, with naturally low production that necessitates hydraulic fracturing technology for enhanced productivity to achieve industrial gas flow.
CHEN Weiming   +4 more
doaj   +2 more sources

A Novel Caving Model of Overburden Strata Movement Induced by Coal Mining

open access: yesEnergies, 2017
The broken pattern of the overburden strata induced by mining has a non-ignorable effect on overlying strata movement, failure, and safety in mining production.
Dongjing Xu   +3 more
doaj   +1 more source

Fracture Properties of Concrete in Dry Environments with Different Curing Temperatures

open access: yesApplied Sciences, 2020
This paper investigated the fracture properties of concrete in dry environments with different curing temperatures (5, 20, 40, and 60 °C). For each curing condition, the key fracture parameters of concrete were tested using wedge splitting specimens at ...
Zhengxiang Mi   +4 more
doaj   +1 more source

Complex multilevel fracture tests of concrete: basic mechanical fracture parameters of standard size specimens [PDF]

open access: yesMATEC Web of Conferences, 2020
The aim of the current research is to develop a complex multilevel approach for the experimental–computational determination of mechanical fracture parameters of concrete as a typical quasi-brittle material. This includes testing, advanced evaluation and
Lehký David   +3 more
doaj   +1 more source

Seismic AVOA Inversion for Weak Anisotropy Parameters and Fracture Density in a Monoclinic Medium

open access: yesApplied Sciences, 2020
In shale gas development, fracture density is an important lithologic parameter to properly characterize reservoir reconstruction, establish a fracturing scheme, and calculate porosity and permeability.
Zijian Ge, Shulin Pan, Jingye Li
doaj   +1 more source

Evolution on fracture properties of concrete during steam curing

open access: yesCase Studies in Construction Materials, 2022
This paper investigated the fracture properties of concrete after steam curing ranging from 4 to 48 h at a typical constant temperature of 60 °C.
Benxing Lou, Fuheng Ma
doaj   +1 more source

Effects of Fracture Parameters in an Anisotropy Model on P-Wave Azimuthal Amplitude Responses [PDF]

open access: yes, 2006
The study showed that the presence of vertically aligned fractures in reservoir rock could possibly be inferred through analysis of P-wave reflectivity variations with azimuth.
Fatkhan, F. (Fatkhan)
core  

The effect of elevated temperature exposure on the fracture toughness of solid wood and structural wood composites [PDF]

open access: yes, 2004
This is the author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Springer and can be found at: http://www.springer.com/life+sciences/forestry/journal/226.Fracture toughness of wood and wood ...
H.G. Direen   +4 more
core   +4 more sources

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