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Berea Sandstone™ Petroleum Cores

Berea Sandstone Petroleum Cores

For the past 30 years, Berea Sandstone™ core samples have been widely recognized by the petroleum industry as the best stone for testing the efficiency of chemical surfactants.

Berea Sandstone™ is a sedimentary rock whose grains are predominantly sand-sized and are composed of quartz sand held together by silica. The relatively high porosity and permeability of Berea Sandstone™ makes it a good reservoir rock.

Split Rock
This is the name given to sandstone that has visible laminations and can be easily split along the laminations. Except for the laminations, some split rock can be classified as homogeneous and usually falls in the 50 to 300 milidarcy range.

Silica SiO2 93.13%
Alumina AI2O3 3.86%
Ferric Oxide Fe2O3 .11%
Ferrous Oxide FeO .54%
Magnesium Oxide MgO .25%
Calcium Oxide CaO .10%
Permeability Range Availability
Less than 50 mD As Available
50-100 mD Rare
100-200 mD Available - Standard
200-500 mD Rare
500-1000 mD As Available
Greater than 1000 mD Rare

Cleveland Quarries supply Berea Sandstone™ cores in a variety of shapes and sizes, such as:

  • Core Blocks - any size up to 48x48x48
  • Cylindrical Cores - min 1/2" dia to any size requested (tool charges may apply)
  • Cores Dimensioned - rectangular and square shapes
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