– Practice Questions with
Verified Answers. GRADED A+.
Latest 2026/2027 Update
What chemical found in TNT is also found in oil, particularly Borneo crude? -
ANSWER ✔✔-Toloul
What is the term for the vented or drained off fluids from a pressured well? -
ANSWER ✔✔-Bleed Off
Name Five types of Packers used in the oil industry? - ANSWER ✔✔-Compression
set packer, drillable packer, hookwall packer, inflatable packer, hydraulic packer
This volume of gas has been separated from produced water. - ANSWER ✔✔-
Blue gas
,What is a raised metal lip that is around a perforation? - ANSWER ✔✔-Burr
what is the area of the rock adjacent to the perforation tunnel where
permeability may be 50% less than initial, undamaged permeability? - ANSWER
✔✔-Crush Zone
This term describes the difference between average reservoir pressure and the
flowing bottomhole pressure. - ANSWER ✔✔-Drawdown
This type of drawdown is the pressure differential from the formation near the
wellbore to the wellbore. - ANSWER ✔✔-Completion Drawdown
This is a rubber or plastic material used as a seal. - ANSWER ✔✔-Elastomer
In the USA, this type of well is defined as producing 10 BOE/d or less. - ANSWER
✔✔-Stripper well
Describe what a z factor is also give the equation for it. - ANSWER ✔✔-The "z"
factor is the ratio of the volume actually occupied by a gas at a given pressure
and temperature to the volume the gas would occupy at the same pressure and
temperature if it behaved like an ideal gas. Z= VACTUAL /VIDEAL
What is the equation for gas specific gravity? - ANSWER ✔✔-Yg = Y/Yair
,What do the variables represent in the gas specific gravity equation? - ANSWER
✔✔-Yg is the specific gravity of the gas, ?g is the density of the gas, and ?air is
the density of dry air.
What would the pressure be in a black oil reservoir at discovery? - ANSWER
✔✔Either above the bubble point or equal to the bubble point pressure
What are the two types of chemical bonds? - ANSWER ✔✔-Covalent and ionic
bonds
What is a vessel used to treat or separate water-oil emulsions? - ANSWER
✔✔Treater
In offshore operations, what does FPSO stand for? - ANSWER ✔✔-Floating
Production, Storage, and Offloading Vessel
What is vessel used to separate gas oil and water after the mixture is produced
from the well? - ANSWER ✔✔-Separator
What is the unused world oil production capacity called? - ANSWER ✔✔-Spare
Capacity
, What type of well typically produces a few barrels of oil per day and accounted
for
15 percent of total U.S. production in 1986? - ANSWER ✔✔-Stripper wells
What is the average world's water cut associated with oil production? - ANSWER
✔✔-25%
Who is considered the world leader in deep-offshore production? - ANSWER
✔✔Brazil's Petrobras.
Wildcatter's used to taste and classify oils as sweet, medium sour, and sour
based on what property of oil? - ANSWER ✔✔-Sulfur Content.
What term is used to define a higher than expected production from existing
oilfields possible due to improved management, adoption of more sophisticated
and costly technologies or previous miscalculation? - ANSWER ✔✔-Production
Creeping
What are the two possible ways single phase flow can be characterized? -
ANSWER ✔✔-Laminar or Turbulent
The velocity profile is parabolic for what type of flow? - ANSWER ✔✔-Laminar