… temperature and pressure on porosity evolution, static and dynamic elastic moduli of Flechtinger
sandstone… the Flechtinger sandstone were measured at drained conditions and different …

… condition (S w ) and irreducible water condition (S ir ) of the … increases sharply, and the
porosity is 2.43–3.26 times larger … temperature for the change of porosity of the sandstone in this …

… Under certain conditions, such as fire, explosion and intrusion of magma and geothermal …
of pores in sandstone samples is heterogeneous with the diameters of main pores between 0.7 …

… with rising temperature in the presence of water solutions. Natural sandstones should
therefore compact and lose porosity with increasing depth and rising temperature. Experiments …

… , whereas it is less affected by the temperature. The permeability of the sandstone shows
an increasing trend as the injection pressure increases and the temperature decreases. …

… porosity of sandstone after different treated temperature. … sandstone is larger under the
condition of high temperature and low confining pressure. 3. Under high temperatures, sandstone …

… box at different temperatures (20 C, 40 C, 60 C, 80 C) for 28 days. The chemical grouted
specimens of fractured porous sandstone under different grouting conditions were obtained, …

… pore size distribution and pore changes of the high-temperature sandstone under different
cooling conditions… to measure the pores of the sandstone at different temperatures under the …

… First, conventional uniaxial compression strength (UCS) tests were conducted on the three
sandstones in air-dry condition to get their mechanical properties. Prior to the UCS test, two …

… The pressure and temperature conditions in many sandstone … compressive loading, the
porous sandstone may fail by … -ductile transition in sandstones of different porosity, grain size, …