Petrobowl Exam UPDATED QUESTIONS
AND CORRECT ANSWERS
What is Retrograde condensation - CORRECT ANSWER Formation of liquid hydrocarbons in
a gas reservoir as pressure decreases below dew point
4 US Shale Plays - CORRECT ANSWER Bakken, Marcellus, Utica, Eagleford, Barrnet
Well Produces 300 BPD with 2700 Psig the reservoir pressure is 3000 psig. What is PI - CORRECT
ANSWER J=q/(pavg-pwf)=1
A tri cone bit is graded T-6 what percent of tooth height remains - CORRECT ANSWER 25%
T8=0%
T0=100%
Secretary General of Opec - CORRECT ANSWER Abdalla El-Badri
4 Assumptions of Darcys law - CORRECT ANSWER Laminar Flow, Viscous flow,
incompressible flow, steady state, homogenous formation, 100% saturation of flowing fluid phase
Give the Kozeny Equation. - CORRECT ANSWER k=(phi*r^2)/8
3 Decline relationships - CORRECT ANSWER hyperbolic, exponential, harmonic,
4 types of cement additives. - CORRECT ANSWER Accelerators, retarders, fluid loss
additives, dispersants, extenders, weighting agents
Geologic term refering to enviormental deposition in lakes - CORRECT ANSWER Lacustrine
What is the whipstock and what is its function - CORRECT ANSWER Metal deflector placed
in well to deflect bit to begin angled drilling
, Two Companies to begin oil exploration in mexico - CORRECT ANSWER Doheny's Pan
American Petroleum and Sir Weetman Pearson's Mexican Eagle
Bentonite is composed primarily of what substance? - CORRECT ANSWER Sodium
Montmorillonite
RCRA was passed in 1976 pertaining to the transport of Hazardous materials what does it stand for? -
CORRECT ANSWER Resources Conservation and Recovery Act
What is the angle between the vertical projection of the line of intrest onto the horizontal plane, and
the true north vector projected onto the same plane measured clockwise from north. - CORRECT
ANSWER Azimuth
What is the defining equation for the diffusivity constant? - CORRECT ANSWER
Name 4 of the 5 worst oil spills in the world? - CORRECT ANSWER Gulf War oil spill 240 to
336 mill gal; deep water horizon; 210 million gallons; Bay of Campeche 140 million gallons; Atlantic
Empress 88.3 million gallons; Fergana Valley 87.7 million gallons
4 most common drive mechanisms - CORRECT ANSWER gas cap drive, solution gas drive,
water drive, compaction drive
Geologic principle that states the fossils in a strtigraphic sequence succeed one another in
recognizable order - CORRECT ANSWER chronal Succession
Name the 2 most common minerals that make clay radioactive - CORRECT ANSWER
Potassium and Thorium
In pressure transient testing name the 3 time regions - CORRECT ANSWER psuedo-steady
state, transient, wellbore storage
What type of sedimentary rock is formed by precipitation of dissolved solids from evaporated water in
enclosed basins. - CORRECT ANSWER Evaporites
AND CORRECT ANSWERS
What is Retrograde condensation - CORRECT ANSWER Formation of liquid hydrocarbons in
a gas reservoir as pressure decreases below dew point
4 US Shale Plays - CORRECT ANSWER Bakken, Marcellus, Utica, Eagleford, Barrnet
Well Produces 300 BPD with 2700 Psig the reservoir pressure is 3000 psig. What is PI - CORRECT
ANSWER J=q/(pavg-pwf)=1
A tri cone bit is graded T-6 what percent of tooth height remains - CORRECT ANSWER 25%
T8=0%
T0=100%
Secretary General of Opec - CORRECT ANSWER Abdalla El-Badri
4 Assumptions of Darcys law - CORRECT ANSWER Laminar Flow, Viscous flow,
incompressible flow, steady state, homogenous formation, 100% saturation of flowing fluid phase
Give the Kozeny Equation. - CORRECT ANSWER k=(phi*r^2)/8
3 Decline relationships - CORRECT ANSWER hyperbolic, exponential, harmonic,
4 types of cement additives. - CORRECT ANSWER Accelerators, retarders, fluid loss
additives, dispersants, extenders, weighting agents
Geologic term refering to enviormental deposition in lakes - CORRECT ANSWER Lacustrine
What is the whipstock and what is its function - CORRECT ANSWER Metal deflector placed
in well to deflect bit to begin angled drilling
, Two Companies to begin oil exploration in mexico - CORRECT ANSWER Doheny's Pan
American Petroleum and Sir Weetman Pearson's Mexican Eagle
Bentonite is composed primarily of what substance? - CORRECT ANSWER Sodium
Montmorillonite
RCRA was passed in 1976 pertaining to the transport of Hazardous materials what does it stand for? -
CORRECT ANSWER Resources Conservation and Recovery Act
What is the angle between the vertical projection of the line of intrest onto the horizontal plane, and
the true north vector projected onto the same plane measured clockwise from north. - CORRECT
ANSWER Azimuth
What is the defining equation for the diffusivity constant? - CORRECT ANSWER
Name 4 of the 5 worst oil spills in the world? - CORRECT ANSWER Gulf War oil spill 240 to
336 mill gal; deep water horizon; 210 million gallons; Bay of Campeche 140 million gallons; Atlantic
Empress 88.3 million gallons; Fergana Valley 87.7 million gallons
4 most common drive mechanisms - CORRECT ANSWER gas cap drive, solution gas drive,
water drive, compaction drive
Geologic principle that states the fossils in a strtigraphic sequence succeed one another in
recognizable order - CORRECT ANSWER chronal Succession
Name the 2 most common minerals that make clay radioactive - CORRECT ANSWER
Potassium and Thorium
In pressure transient testing name the 3 time regions - CORRECT ANSWER psuedo-steady
state, transient, wellbore storage
What type of sedimentary rock is formed by precipitation of dissolved solids from evaporated water in
enclosed basins. - CORRECT ANSWER Evaporites
