نتایج جستجو برای: vugs
تعداد نتایج: 75 فیلتر نتایج به سال:
We extend the Balancing Domain Decomposition by Constraints (BDDC) method to mixed-hybrid finite element discretization of flow in porous media with combined mesh dimensions. It is assumed that the modeler desires to incorporate into the finite element model a detailed description of the reservoir geometry, including a possibly complex structure of vugs, cavities and fractures with various topo...
The entropy of shortest distance (ESD) between geographic elements (“elliptical intrusions”, “lineaments”, “points”) on a map, or between "vugs", "fractures" and "pores" in the macroor microscopic images of triple porosity naturally fractured vuggy carbonates provides a powerful new tool for the digital processing, analysis, classification and space/time distribution prognostic of mineral resou...
In this contribution, the origin of fluids having cemented Jurassic limestones in eastern part Paris Basin is discussed through isotopic composition (δ18O, δ13C, 87Sr/86Sr) authigenic calcite crystals filling vugs and fractures. The Upper Middle limestones, overlying underlying Callovian-Oxfordian claystones, experienced dissolution crystallization leading to a succession cements depleted 18O e...
During a terrorist trial, dispute arose as to whether the temperature produced in a car fire was sufficient to destroy quartz grain surface textures. A series of seven sequential experiments showed that the temperature for quartz surface texture modification/destruction and the production of vugs, vesicles and glassy precipitation ('snowdrifting') occurred at 1200 degrees C under normal atmosph...
Sedimentary rocks at Eagle crater in Meridiani Planum are composed of fine-grained siliciclastic materials derived from weathering of basaltic rocks, sulfate minerals (including magnesium sulfate and jarosite) that constitute several tens of percent of the rock by weight, and hematite. Cross-stratification observed in rock outcrops indicates eolian and aqueous transport. Diagenetic features inc...
In this work, stress-dependent absolute and relative permeabilites in porous media are studied using the discrete element method lattice Boltzmann method. The change of permeability porosity during compaction is found follow a power-law relation. homogeneous pack agreement with prediction Carman-Kozeny equation. Porosity exponent increased due to existence vugs but decreased fractures. Relative...
Steering acid fracturing is a technique that improves the conductivity of carbonate reservoir. It widely used in However, due to lack comparative experiments, application steering improve results still unknown. Therefore, series true triaxial experiments were conducted study The specimens experiment from Qixia group and Dengsi Member Sichuan, China. In this study, slick water, cross-linked gel,...
Carbonate reservoirs are a highly heterogeneous type of reservoir characterized by the presence large amount vugs and pores. During two-phase displacement, flow regime in might be gravity segregated. The distribution pattern fluid would accelerate water downward horizontal directions, meanwhile decelerating an upward direction, resulting different oil recovery ratio. This gives rise to question...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید