PETE 2031 LSU (ACTUAL 2025/2026) EXAM 1 QUESTIONS AND
VERIFIED ANSWERS
What is the temp in degrees Rankine at zero F? - ---Answers-
---460 degrees
The formation volume factor is a ratio of:
a. volume of gas to volume of liquid in pore space
b. volume of rock to volume of pore space
c. grain volume to total volume
d. volume of reservoir oil to reservoir brine
e. volume of fluid in the reservoir to volume of fluid at
standard conditions - ---Answers----e. volume of fluid in the
reservoir to volume of fluid at standard conditions
The dimensions of porosity are:
a. length
b. length2
c. 1/(length3)
d. non-dimensional fraction (or percent)
e. force/area - ---Answers----d. non-dimensional fraction (or
percent)
,What is the lowest possible porosity for uniform sphere
packings? - ---Answers----26% (0.26)
(pore volume) + (grain volume) = what?
a. irreducible volume
b. porosity
c. bulk volume
d. void volume
e. minimum porosity - ---Answers----c. bulk volume
Porosity is related to the economics of petroleum recovery
because it is related to what?
a. the volume of oil or gas
b. the quality of the oil
c. the time and cost to drill the well
d. the gas/oil ratio
e. the rate oil can be produced - ---Answers----a. the volume
of oil or gas
To measure porosity in the laboratory, one can measure bulk
volume and what other value?
a. average grain size
, b. pore volume
c. rock density
d. permeability
e. core dimensions - ---Answers----b. pore volume
The effective porosity is:
a. the porosity created by chemical dissolution
b. the fraction of the porosity with pores larger than 1 micron
c. the porosity that is created by the original grains
d. the part of the porosity that is interconnected
e. the void space that contains oil - ---Answers----d. the part
of the porosity that is interconnected
In most calculations, saturation should be expressed in what
units?
a. liters
b. fraction
c. barrels
d. percent
e. mL - ---Answers----b. fraction
Endpoint oil saturation represents:
VERIFIED ANSWERS
What is the temp in degrees Rankine at zero F? - ---Answers-
---460 degrees
The formation volume factor is a ratio of:
a. volume of gas to volume of liquid in pore space
b. volume of rock to volume of pore space
c. grain volume to total volume
d. volume of reservoir oil to reservoir brine
e. volume of fluid in the reservoir to volume of fluid at
standard conditions - ---Answers----e. volume of fluid in the
reservoir to volume of fluid at standard conditions
The dimensions of porosity are:
a. length
b. length2
c. 1/(length3)
d. non-dimensional fraction (or percent)
e. force/area - ---Answers----d. non-dimensional fraction (or
percent)
,What is the lowest possible porosity for uniform sphere
packings? - ---Answers----26% (0.26)
(pore volume) + (grain volume) = what?
a. irreducible volume
b. porosity
c. bulk volume
d. void volume
e. minimum porosity - ---Answers----c. bulk volume
Porosity is related to the economics of petroleum recovery
because it is related to what?
a. the volume of oil or gas
b. the quality of the oil
c. the time and cost to drill the well
d. the gas/oil ratio
e. the rate oil can be produced - ---Answers----a. the volume
of oil or gas
To measure porosity in the laboratory, one can measure bulk
volume and what other value?
a. average grain size
, b. pore volume
c. rock density
d. permeability
e. core dimensions - ---Answers----b. pore volume
The effective porosity is:
a. the porosity created by chemical dissolution
b. the fraction of the porosity with pores larger than 1 micron
c. the porosity that is created by the original grains
d. the part of the porosity that is interconnected
e. the void space that contains oil - ---Answers----d. the part
of the porosity that is interconnected
In most calculations, saturation should be expressed in what
units?
a. liters
b. fraction
c. barrels
d. percent
e. mL - ---Answers----b. fraction
Endpoint oil saturation represents:
