Petrobowl Questions
Name a source of vertical stress. - ✔✔ correct answer Overburden
Name a source of horizontal stress. - ✔✔ correct answer Poisson's Ratio Effect or Tectonic Stresses
Name 3 of the 4 types of clastic fragments in limestone. - ✔✔ correct answer Oolites, Intraclasts, Fossils,
and Pellets
What type of sandstone is characterized by being impure or dirty? - ✔✔ correct answer Graywacke
A sandstone containing highly viscous, asphalt-like hydrocarbon compounds is referred to as what? - ✔✔
correct answer A tar Sand
A non-clastic limestone, characterized by loosely consolidated, earthy calcium carbonate and clay
containing deposits of shell. - ✔✔ correct answer A marl or marlstone
Volcanic tuff altered to montmorillonite is called what? - ✔✔ correct answer Bentonite
What are 3 of the different dolomitization models? - ✔✔ correct answer Evaporative, Seepage Reflux,
Mixing-Zone,Burial,Seawater
The process of breaking down chemical bonds in kerogen and clays within shale to generate liquid
hydrocarbons. - ✔✔ correct answer Catagenesis
Algal and amorphous kerogen highly likely to generate oil is what type? - ✔✔ correct answer Type I
Mixed terrestrial and marine source material that can generate waxy oil is what type? - ✔✔ correct
answer Type II
Woody terrestrial source material that typically generates gas is what type of kerogen? - ✔✔ correct
answer Type III
,Petrobowl Questions
Kerogen containing mostly decomposed organic matter also known as charcoal is what type of kerogen?
- ✔✔ correct answer Type IV
Volcanic tuff altered to montmorillonite is called what? - ✔✔ correct answer Bentonite
What are 3 different dolomitization models? - ✔✔ correct answer Evaporative, Seepage, Reflux, Mixing
Zone, Burial, Seawater
Sandstone containing highly viscous, asphalt-like hydrocarbon compounds is referred to as what? - ✔✔
correct answer Tar Sand
What was the first major contribution of geology to oil exploration? - ✔✔ correct answer The Anticline
Theory
A major oil discovery in what state confirmed the anticline theory? - ✔✔ correct answer Oklahoma
In what year was a major oil discovery made that confirmed the anticline theory? - ✔✔ correct answer
1913
A study by the US Bureau of Mines around 1917 concluded that this method would increase oil recovery.
- ✔✔ correct answer Natural Gas Injection
What group did a study that marked the first intuition into secondary recovery of oil? - ✔✔ correct
answer US Bureau of Mines
What theory did the Soviet school of geology supported claiming oil could be made without the help of
living organisms? - ✔✔ correct answer Abyssal Abiogenic (or Abiotic) Theory
The Abyssal Abiogenic (or Abiotic) Theory led to discoveries of oil where? - ✔✔ correct answer In Non-
sedimentary, crystalline basement rock scores of hydrocarbon
In terms of oil formation, what is the oldest geological era? - ✔✔ correct answer Jurassic
, Petrobowl Questions
What is the equation for the Traction Vector? - ✔✔ correct answer stress tensor times unit normal
vector
what gives the state of stress at any point? - ✔✔ correct answer Stress Tensor
Three mutually perpendicular normal stresses in a coordinate system where all shear stresses vanish
defines what? - ✔✔ correct answer The Principal Stress
What constant is used to directly relate strain and stress? - ✔✔ correct answer Young's Modulus or
Elastic Modulus or Tension Modulus
What is a mathematical description of continuous physical phenomenon in which a dependent variable
is a function of more than one independent variable? - ✔✔ correct answer Partial Differential Equation
This numerical model requires only discretization of the boundary? - ✔✔ correct answer Boundary
Element Method
This numerical model has a solution procedure based on numerical approximation of the governing
equations. - ✔✔ correct answer Finite Difference Method
This numerical model has a solution procedure that exploits approximations to the connectivity of the
elements and to the continuity of stress and displacements between the elements - ✔✔ correct answer
Finite Element Method
Name two methods to obtain Ku+f=0 from an approximate solution. - ✔✔ correct answer Galerkin,
Variational Principles (Raleigh-Ritz)
What substitutions are made for the method of weighted residuals? - ✔✔ correct answer u=ΣNaua and
v=Σwbδub.
What substitution is made in Galerkin's Method? - ✔✔ correct answer wb = Nb
Name a source of vertical stress. - ✔✔ correct answer Overburden
Name a source of horizontal stress. - ✔✔ correct answer Poisson's Ratio Effect or Tectonic Stresses
Name 3 of the 4 types of clastic fragments in limestone. - ✔✔ correct answer Oolites, Intraclasts, Fossils,
and Pellets
What type of sandstone is characterized by being impure or dirty? - ✔✔ correct answer Graywacke
A sandstone containing highly viscous, asphalt-like hydrocarbon compounds is referred to as what? - ✔✔
correct answer A tar Sand
A non-clastic limestone, characterized by loosely consolidated, earthy calcium carbonate and clay
containing deposits of shell. - ✔✔ correct answer A marl or marlstone
Volcanic tuff altered to montmorillonite is called what? - ✔✔ correct answer Bentonite
What are 3 of the different dolomitization models? - ✔✔ correct answer Evaporative, Seepage Reflux,
Mixing-Zone,Burial,Seawater
The process of breaking down chemical bonds in kerogen and clays within shale to generate liquid
hydrocarbons. - ✔✔ correct answer Catagenesis
Algal and amorphous kerogen highly likely to generate oil is what type? - ✔✔ correct answer Type I
Mixed terrestrial and marine source material that can generate waxy oil is what type? - ✔✔ correct
answer Type II
Woody terrestrial source material that typically generates gas is what type of kerogen? - ✔✔ correct
answer Type III
,Petrobowl Questions
Kerogen containing mostly decomposed organic matter also known as charcoal is what type of kerogen?
- ✔✔ correct answer Type IV
Volcanic tuff altered to montmorillonite is called what? - ✔✔ correct answer Bentonite
What are 3 different dolomitization models? - ✔✔ correct answer Evaporative, Seepage, Reflux, Mixing
Zone, Burial, Seawater
Sandstone containing highly viscous, asphalt-like hydrocarbon compounds is referred to as what? - ✔✔
correct answer Tar Sand
What was the first major contribution of geology to oil exploration? - ✔✔ correct answer The Anticline
Theory
A major oil discovery in what state confirmed the anticline theory? - ✔✔ correct answer Oklahoma
In what year was a major oil discovery made that confirmed the anticline theory? - ✔✔ correct answer
1913
A study by the US Bureau of Mines around 1917 concluded that this method would increase oil recovery.
- ✔✔ correct answer Natural Gas Injection
What group did a study that marked the first intuition into secondary recovery of oil? - ✔✔ correct
answer US Bureau of Mines
What theory did the Soviet school of geology supported claiming oil could be made without the help of
living organisms? - ✔✔ correct answer Abyssal Abiogenic (or Abiotic) Theory
The Abyssal Abiogenic (or Abiotic) Theory led to discoveries of oil where? - ✔✔ correct answer In Non-
sedimentary, crystalline basement rock scores of hydrocarbon
In terms of oil formation, what is the oldest geological era? - ✔✔ correct answer Jurassic
, Petrobowl Questions
What is the equation for the Traction Vector? - ✔✔ correct answer stress tensor times unit normal
vector
what gives the state of stress at any point? - ✔✔ correct answer Stress Tensor
Three mutually perpendicular normal stresses in a coordinate system where all shear stresses vanish
defines what? - ✔✔ correct answer The Principal Stress
What constant is used to directly relate strain and stress? - ✔✔ correct answer Young's Modulus or
Elastic Modulus or Tension Modulus
What is a mathematical description of continuous physical phenomenon in which a dependent variable
is a function of more than one independent variable? - ✔✔ correct answer Partial Differential Equation
This numerical model requires only discretization of the boundary? - ✔✔ correct answer Boundary
Element Method
This numerical model has a solution procedure based on numerical approximation of the governing
equations. - ✔✔ correct answer Finite Difference Method
This numerical model has a solution procedure that exploits approximations to the connectivity of the
elements and to the continuity of stress and displacements between the elements - ✔✔ correct answer
Finite Element Method
Name two methods to obtain Ku+f=0 from an approximate solution. - ✔✔ correct answer Galerkin,
Variational Principles (Raleigh-Ritz)
What substitutions are made for the method of weighted residuals? - ✔✔ correct answer u=ΣNaua and
v=Σwbδub.
What substitution is made in Galerkin's Method? - ✔✔ correct answer wb = Nb
