Important subsurface definitions for petroleum industry
05-09-2021
Geology
1051
RESERVOIR ROCK
•Porosity:
the percent by volume of pore space in the rock
-how much fluid or gas will fit between the grains (%)
•Permeability:
the measure of the degree of difficulty the fluid or gas has in moving through the rock (darcies or millidarcy)
by :: GeoGimGeoGim Instructors Qualifications:
MSc. Degree or higher degrees
More than 15 years of experience for under-graduates to intermediate courses
More than 20 years of experience for intermediate to experts courses
type of porosity
Types of Porosity on sandstone
• Intergranular (primary)
• Dissolution (secondary)
• Fracture
• Clays deposited (microporosity)