PETE 410 fall 2023 quiz 2 deep water wells

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Texas Tech University *

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410

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Geography

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Feb 20, 2024

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docx

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Question 1: What are the key challenges associated with assessing reservoir properties in deep-water wells compared to onshore wells? A) Reduced reservoir pressures B) Limited access to well sites C) Higher drilling costs D) All of the above Question 2: In deep-water reservoirs, what is the term for the region where salt layers are prevalent and can pose challenges to drilling and reservoir characterization? A) Salt dome B) Fractured zone C) Gas hydrate layer D) Sandstone reservoir Question 3: How does water depth affect the development and production of deep-water reservoirs? A) It increases reservoir pressures B) It decreases drilling costs C) It requires specialized technology and equipment D) It improves wellbore stability Question 4: What is the primary objective of "seismic surveys" in deep-water reservoir characterization? A) To calculate well depth B) To assess geological formations C) To create images of subsurface structures and identify potential reservoirs D) To optimize drilling rig operations Question 5: In deep-water reservoirs, what is the significance of "subsea completions"? A) It refers to the completion of drilling operations below the ocean floor B) It involves completing wells using equipment installed on the seabed C) It signifies the completion of well logging activities D) It relates to the completion of drilling rigs in deep-water environments Question 6: What is the term for the geological process that can create complex subsurface structures, such as salt domes, in deep-water reservoirs? A) Tectonic activity B) Seismic interpretation C) Diagenesis D) Erosion Question 7: In deep-water reservoirs, what is the primary challenge associated with "well logging" compared to onshore wells? A) Limited access to well sites B) Higher well temperatures C) Increased drilling costs D) Deeper well depths Question 8: What is the role of "reservoir simulation" in deep-water well reservoir management? A) To calculate well depth B) To optimize drilling rig operations C) To model fluid flow and predict reservoir performance under varying conditions D) To assess geological formations Question 9: How does "gas hydrate formation" impact reservoir properties in deep-water wells? A) It increases permeability B) It decreases porosity C) It reduces reservoir pressures D) It can cause blockages and impact fluid flow Question 10: What is the primary goal of "formation testing" in deep-water reservoirs? A) To assess geological formations B) To optimize drilling rig operations C) To evaluate reservoir properties, including pressure, temperature, and fluid composition D) To calculate well depth

Question 11: What is the term for the geological process that can lead to the accumulation of organic- rich sediments in deep-water reservoirs? A) Tectonic activity B) Sedimentation C) Salt diapirism D) Erosion Question 12: In deep-water wells, how does "overburden pressure" influence reservoir properties? A) It decreases permeability B) It increases porosity C) It enhances reservoir pressures D) It compresses the reservoir rock and affects fluid flow Question 13: What is the primary use of "geostatistical modeling" in deep-water reservoir characterization? A) To calculate well depth B) To optimize drilling rig operations C) To analyze and interpolate reservoir properties based on limited data points D) To assess geological formations Question 14: How does "geopressure" in deep-water reservoirs impact drilling operations? A) It improves wellbore stability B) It increases drilling costs C) It reduces the risk of blowouts D) It challenges wellbore stability and requires specialized drilling techniques Question 15: What is the significance of "reservoir compartmentalization" in deep-water reservoirs? A) It enhances fluid flow between different reservoir layers B) It decreases drilling costs C) It isolates different sections of the reservoir, impacting fluid movement and recovery D) It optimizes wellbore stability Answers: 1. D) All of the above 2. A) Salt dome 3. C) It requires specialized technology and equipment 4. C) To create images of subsurface structures and identify potential reservoirs 5. B) It involves completing wells using equipment installed on the seabed 6. A) Tectonic activity 7. A) Limited access to well sites 8. C) To model fluid flow and predict reservoir performance under varying conditions 9. D) It can cause blockages and impact fluid flow 10. C) To evaluate reservoir properties, including pressure, temperature, and fluid composition 11. B) Sedimentation 12. D) It compresses the reservoir rock and affects fluid flow 13. C) To analyze and interpolate reservoir properties based on limited data points

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