PETE 321 final spring 2021 permebility
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School
Texas Tech University *
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Course
8803
Subject
Geology
Date
Dec 6, 2023
Type
docx
Pages
5
Uploaded by DoctorBookCamel16
Question 1: What are porosity and permeability, and why are they important in the field of geology and petroleum engineering?
A) Porosity refers to the ability of a rock to transmit fluids, while permeability measures the void space within a rock. They are crucial for understanding the storage and flow of fluids in subsurface formations.
B) Porosity measures the depth of the wellbore, while permeability is the measurement of electrical resistivity. They are important for drilling and rig operations.
C) Porosity measures well azimuth, while permeability is the geological age of the formation. They are vital for predicting oil and gas prices.
D) Porosity assesses geological formations, while permeability is used for seismic interpretation. They are
essential for well completion.
Question 2: What is the term for the void space within a rock, which can contain fluids?
A) Permeability
B) Formation pressure
C) Porosity
D) Wellbore depth
Question 3: In porosity and permeability analysis, what is the primary purpose of "core analysis"?
A) To calculate well depth
B) To optimize drilling rig operations
C) To assess geological formations
D) To measure rock properties and obtain direct measurements of porosity and permeability
Question 4: What is the primary role of "porosity logs" in geophysical well logging?
A) To calculate well azimuth
B) To assess geological formations
C) To measure formation pressure
D) To estimate the void space within a rock by measuring responses to different logging tools
Question 5: What term is used to describe the ratio of the volume of void space filled with fluids to the total void space in a rock?
A) Formation pressure
B) Saturation
C) Permeability
D) Porosity
Question 6: In porosity and permeability analysis, what is "matrix permeability"?
A) The total ability of a rock to transmit fluids
B) The ability of a rock to transmit fluids within the void spaces
C) The depth of the wellbore
D) The geological age of the formation
Question 7: What is "effective porosity" in the context of porosity and permeability?
A) The depth of the wellbore
B) The void space within a rock, including both connected and unconnected pores
C) The measurement of electrical resistivity
D) The measurement of rock properties
Question 8: What is the primary objective of "permeability modeling" in porosity and permeability analysis?
A) To calculate well depth
B) To assess geological formations
C) To optimize drilling rig operations
D) To predict the ability of a rock to transmit fluids based on core and well log data
Question 9: What is the term for the study of the distribution, arrangement, and connectivity of rock pores?
A) Permeability analysis
B) Well control
C) Stratigraphy
D) Reservoir characterization
Question 10: In porosity and permeability analysis, what does "well test analysis" typically involve?
A) Estimating well depth
B) Determining wellbore design specifications
C) Measuring geological age
D) Conducting controlled experiments to measure formation properties and fluid flow characteristics
Question 11: What is the primary application of "pressure transient analysis" in the context of well testing for porosity and permeability?
A) To calculate well depth
B) To assess geological formations
C) To optimize drilling rig operations
D) To estimate formation properties, including permeability, porosity, and skin factor
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Question 12: How is "capillary pressure" relevant to porosity and permeability?
A) It is the geological age of the formation.
B) It is the measurement of electrical resistivity.
C) It describes the ability of a rock to transmit fluids.
D) It affects the relationship between fluid properties and fluid movement in porous media.
Question 13: In well testing for porosity and permeability, what is "skin factor"?
A) The geological age of the formation
B) A measure of the depth of the wellbore
C) A correction factor that accounts for formation damage and wellbore conditions
D) The ratio of void space filled with fluids to total void space in a rock
Question 14: What is the primary use of "history matching" in reservoir simulation for porosity and permeability analysis?
A) To calculate well depth
B) To optimize drilling rig operations
C) To adjust the simulation model to match historical production data
D) To measure geological age
Question 15: How is "relative permeability" significant in understanding fluid flow in porous media with varying porosity and permeability?
A) It is a measure of wellbore azimuth.
B) It represents the geological age of the formation.
C) It describes the ability of a rock to transmit fluids.
D) It accounts for the varying ability of rocks to transmit different phases of fluids.
Answers:
A) Porosity refers to the ability of a rock to transmit fluids, while permeability measures the void space within a rock. They are crucial for understanding the storage and flow of fluids in subsurface formations.
C) Porosity
D) To measure rock properties and obtain direct measurements of porosity and permeability
D) To estimate the void space within a rock by measuring responses to different logging tools
B) Saturation
B) The ability of a rock to transmit fluids within the void spaces
B) The void space within a rock, including both connected and un