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Study on the causes, deformation and failure mechanisms of loess multistage collapse
Loess has typical vertical joint development characteristics, making it prone to develop relief joints under the action of pore water pressure and...
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Experimental Study on Mechanical Behavior, Fracture Characteristics, and Acoustic Emission Damage Characteristics of Sandstone Under Triaxial Multistage Stress Disturbance
The instability failure of engineering rock mass is caused by the full development of cracks under the combined action of the surrounding rock stress...
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Micromechanics of Fracture Propagation During Multistage Stress Relaxation and Creep in Brittle Rocks
Time-dependent rock deformation caused by the initiation and growth of fractures leads to the weakening of the rock mass. Understanding the...
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Spatial seismic response of non-uniform wide river valley with multistage slopes in lower reaches of Yangtze River
The geological conditions of the wide river valley in the lower reaches of the Yangtze River are characterized by complex site conditions due to the...
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Technology and Application of Multistage Compound Deep Profile Control and Flooding in Ansai Extra-low Permeability Reservoir
Being the earliest extra-low permeability 100 million ton integrated oilfield developed onshore in China, the uneven contradiction of reservoir water...
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A Comprehensive Analytical Approach to Multistage Formation Fracturing and Production
An analytical model is developed for multistage fracturing for any number of fractures in a given area, and subsequent oil and water production for...
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Comprehensive numerical modeling of gas storage in Firouzabad salt dome based on multistage creep test and operational parameters
The growing use of natural gas as a fuel has made it a primary source of energy all over the world. To access and manage natural gas sources in all...
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Tracing of stresses and pore water pressure changes during a multistage modified relaxation test model on organic soil
Peatground is widely spread throughout the Halfaya oilfield in Al-Amara city, southern Iraq. Peat includes a large quantity of organic matter and...
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A Hydro-mechanical Approach to Model Swelling Tests of Clay-Sulfate Rocks
We developed a coupled hydro-mechanical (HM) model based on a semi-logarithmic swelling law to reproduce the outcomes of swelling tests of a...
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Experimental study on the working performance of different milling tools for multistage fracturing ball seats
To achieve the secondary production in multistage fracturing wells of tight oil, milling tools are usually used to remove the multistage fracturing...
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Adaptive Finite Element-Discrete Element Analysis for the Multistage Hydrofracturing in Naturally Fractured Reservoirs Considering Hydro-Mechanical Coupling
In this chapter, adaptive finite element-discrete element analysis of multistage hydrofracturing in naturally fractured reservoirs, considering...
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Research and Application of High Efficiency Lifting Technology of Gas Detection Wells of CO2 Flooding
The lifting process design of CO2 flooding test area in Y oilfield was lifted by conventional rod pump. After gas was detected in the oil well, the...
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Quantitative back analysis of in situ tests on guiding flexible barriers for rockfall protection based on 4D energy dissipation
This paper presents a quantitative analysis of system dynamic response, rockfall trajectory control, and kinetic energy evolution of the tests on the...
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On the Representativity of Rock Salt Specimens During Laboratory Tests
Experimental measurements during laboratory tests on salt specimens are important for the design of underground facilities in salt formations. These...
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Simple Shear Tests for Unsaturated Soils
Rainfall-induced landslides in Southern Italy often affect the pyroclastic soils produced by the past explosive activity of Vesuvius volcano. Along...
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Interpretation of the reactivation of slow-moving landslides based on ring shear tests and monitoring
Many landslides have been reactivated along the banks of the Three Gorges Reservoir (TGR) in China since 2003, many of which were slow-moving...
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Study on artificial recharge and well loss in confined aquifers using theoretical and back-analysis calculations of hydrogeological parameters from recharge and pum** tests
The main components of the confined aquifer in Tian** are silt and silty sand. In addition, when the recharge of a shallow confined aquifer is used...
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An Investigation on Failure Behaviour of a Porous Sandstone Using Single-Stage and Multi-stage True Triaxial Stress Tests
The deformational characteristics of a set of synthetic sandstones when subjected to true triaxial stress conditions were investigated in this study....
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Sensitivity Analysis of Factors Affecting Stability of Cut and Fill Multistage Slope Based on Improved Grey Incidence Model
There are many factors affecting the stability of cut and fill multistage slopes, and these factors exert different degrees of influence on slope...
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Interpretation of pressure interference tests for wells connected by a large hydraulic fracture
Shale formations are being exploited in several places around the world. Thus, an adequate characterization of such formations is recommended. In...
