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A 10 cm long core sample with a 1 inch (2.54 cm) diameter is sampled from a reservoir. Unfortunately, during transportation some portion of the sample is cracked and lost. Now the sample is not a perfect cylinder and it is not possible to cut a cylinder sample from the rest of the sample. The core sample is cleaned for porosity analysis. The mass of the core sample is measured as 100 g. The core sample is placed in cell two of a Boyle's Law device (Helium porosimeter). Each of the cells has a volume of 200 cc. Cell one is pressured to 100.0 psig. Cell two is evacuated. Then, the cells are connected. and the resulting pressure is 48 psig. The sample is clean sandstone composed of silica and the density of silica is 2.65 g/cm³. Calculate porosity.

A 10 cm long core sample with a 1 inch (2.54 cm) diameter is sampled from a reservoir. Unfortunately, during transportation some portion of the sample is cracked and lost. Now the sample is not a perfect cylinder and it is not possible to cut a cylinder sample from the rest of the sample. The core sample is cleaned for porosity analysis. The mass of the core sample is measured as 100 g. The core sample is placed in cell two of a Boyle's Law device (Helium porosimeter). Each of the cells has a volume of 200 cc. Cell one is pressured to 100.0 psig. Cell two is evacuated. Then, the cells are connected. and the resulting pressure is 48 psig. The sample is clean sandstone composed of silica and the density of silica is 2.65 g/cm³. Calculate porosity.

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A 10 cm long core sample with a 1 inch (2.54 cm) diameter is sampled from a reservoir. Unfortunately, during transportation some portion of the sample is cracked and lost. Now the sample is not a perfect cylinder and it is not possible to cut a cylinder sample from the rest of the sample. The core sample is cleaned for porosity analysis. The mass of the core sample is measured as 100 g. The core sample is placed in cell two of a Boyle's Law device (Helium porosimeter). Each of the cells has a volume of 200 cc. Cell one is pressured to 100.0 psig. Cell two is evacuated. Then, the cells are connected and the resulting pressure is 48 psig. The sample is clean sandstone composed of silica and the density of silica is 2.65 g/cm³. Calculate porosity.
Transcribed Image Text:A 10 cm long core sample with a 1 inch (2.54 cm) diameter is sampled from a reservoir. Unfortunately, during transportation some portion of the sample is cracked and lost. Now the sample is not a perfect cylinder and it is not possible to cut a cylinder sample from the rest of the sample. The core sample is cleaned for porosity analysis. The mass of the core sample is measured as 100 g. The core sample is placed in cell two of a Boyle's Law device (Helium porosimeter). Each of the cells has a volume of 200 cc. Cell one is pressured to 100.0 psig. Cell two is evacuated. Then, the cells are connected and the resulting pressure is 48 psig. The sample is clean sandstone composed of silica and the density of silica is 2.65 g/cm³. Calculate porosity.
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