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Discovering High-Pressure and High-Temperature Minerals
Defining high-pressure (P) and high-temperature (T) minerals beyond vague conventions requires robust criteria. The conjunction of mineralogy and...
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High-Pressure Silicates and Oxides Phase Transition and Thermodynamics
This book presents a summary of high-pressure phase transitions of minerals and related inorganic compounds. The first part reviews the methods to...
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Effects of Volatiles at High Pressure
Melting temperatures are lowered dramatically when H2O is added under pressure to a system of anhydrous silicate crystals. This is because a silicate...
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The Effects of High Pressure
Pressure increases with depth in the earth, to a maximum at the centre. The rate of increase depends on the material present along the path followed;...
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Upper limit estimate to wellhead flowing pressure and applicable gas production for a downhole throttling technique in high-pressure–high-temperature gas wells
In recent years, China has explored and exploited several high-pressure deep gas fields. Normally, high-pressure gas wells are gathered and processed...
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High Precision Pre-drilling Pressure Prediction for Complex Cause’s Overpressure
High precision pre-drilling pressure prediction is one of the key technologies in the integration of seismic-geology-engineering. The accurate...
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Research and Application of 245 MPa Ultra-High Pressure Perforating Technology
With the continuous vertical development of oil exploration and development, the depth of deep and ultra-deep oil and gas gradually increases from...
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From Pressure to Water Consumption: Exploiting High-Resolution Pressure Data to Investigate the End Uses of Water
In the era of digital transformation of water distribution networks, an increasingly important role is played by smart metering technologies, which...
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Structure evolution of hydroxyapophyllite-(K) under high pressure
The high-pressure structural evolution of a natural hydroxyapophyllite-(K) K 0.96 Ca 4.01 [Al 0.01 Si 7.99 O 20 ]((OH) 0.95 F 0.05 )·(H 2 O) 8.14 , Z = 2, a = 8.9699(1...
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Optimization Design Method and Application of Completion String in High Temperature and High Pressure Gas Well Based on Wellbore Temperature-Pressure Effect
Based on the measured values, the yield strength attenuation law with the temperature of the 110SS and 2532-110 material tubing was obtained. Tubing...
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Numerical modeling on high-temperature and high-pressure gas condensate recovery considering the viscosity variation and dynamic relative permeability
The production evaluation of high-temperature and high-pressure gas condensate remains unsatisfactory in terms of precision due to the inadequate...
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High-Pressure and High-Temperature Experiments with Large-Volume Apparatus
Large-volume high-pressure apparatus, particularly the piston-cylinder apparatusPiston-cylinder apparatus and multianvil presses, are described in...
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Mechanical Behavior and Air Tightness of Roadway Surrounding Rock Under High Internal Pressure
High-pressure air storage is an important part of a gas storage system. Abandoned coal mine roadways can provide a large number of air storage...
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Studying the Features of Measuring Rock Deformations During Tests at the High Pressure High Temperature Triaxial Apparatus
This paper presents the results of a series of experiments on studying the effect of the sealing membrane type and the mounting technique of LVDT...
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A New Prediction Model for Cutting Depth of Hard Rock Using High-Pressure Water Jets
High-pressure pure water jet has been widely used in breaking soft rocks and medium–hard rocks, but its research on cutting hard rocks is very...
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Modeling of Filtration and Scattered Fracture in Fractured Zones with Abnormally High Formation Pressure
Abstract —A model of a double-porosity medium with damageable matrix subject to anomalously high formation pressure is discussed. It is assumed that...
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In-situ high-pressure and high-temperature spectroscopic studies of phengite in ultrahigh-pressure eclogite: implications for water transport during ultra-deep continental subduction
Pressure and temperature responses of natural phengite [K 0.93 Na 0.03 (Al 1.46 Mg 0.45 Fe 0.09 )(Si 3.59 Al 0.39 Ti 0.02 )O 10 (OH 1.94 F 0.06 )] in ultrahigh-pressure...
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Anisotropic electrical conductivity changes in FeTiO3 structure transition under high pressure
Electrical resistivity measurements on oriented FeTiO 3 ilmenite using single crystals at high pressures proves that FeTiO 3 ilmenite shows anisotropic...
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Post-spinel transition of Fe2SiO4 ahrensite at high pressure and high temperature
Phase relations for dissociation of spinel-structured Fe 2 SiO 4 ahrensite to FeO wüstite + SiO 2 stishovite have been determined up to 20 GPa and...
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Energy Evolution of Anthracite Considering Anisotropy Under High Confining Pressure: An Experimental Investigation
The investigation of the energy evolution of coal under the coupling of the bedding plane and confining pressure is critical to engineering failure...
