PETR 1111 midterm fall15

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University of Houston *

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1111

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Electrical Engineering

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Dec 6, 2023

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docx

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1.The top illustration shows a contour map of the top of a potential reservoir. The contours are on a 500m inte1val, referenced to sea level (-1500 = 1500m below sea level). Several locations are marked (A, B, C). Where should you drill the exploration well? a. A b. B c. C d. None of the above. Another location is better. e. You should not drill at all because there is no possibility of hydrocarbons 2. If no oil is found in the exploration well, where should you drill the appraisal well? A. You should not drill an appraisal well b. You should drill deeper in the reservoir c. You should drill some other unexplored prospect where no drilling has occurred d. You should ask the CEO of your company and drill where he tells you to drill e. You should drill at the spill point 3. What questions about a petroleum accumulation can a reservoir model help to answer? a. The estimated rate of ﬂow in the wells b. How many wells should be drilled c. Where the wells should go d. b and 0 e. All of the above 4. About what fraction of total world energy supply is provided by liquid petroleum and natural gas combined? a. 1% b. 10% c. 20% d. 50% e. 80%

5. The following can be used to search for a paper in OnePetro a. SPE number b. Number of references c. Title d. All of the above except b. e. All of the above 6. Which of the following are aspects with which Petroleum Engineering is concerned? a. Environment b. Technology c. Geophysics d. All of the above e. b and c only 7. Looking at the plot, to the right what pattern of oil consumption has the highest economic efficiency: a. To be in the upper left corner b. To be anywhere lower on the per capita oil consumption axis c. To be anywhere higher on the per capita income axis d. To be on the trend that the United States follows. e. None of the above 8. Where was the first successful oil well drilled? a. Azerbaijan b. Poland c. US (Pennsylvania) d. US (Texas) . e. Saudi Arabia

9. The oil field that started the first Texas oil boom was? a. Rocky Top, near Midland b. Drake Field, between Dallas and Fort Worth c. Spindly Top, near Waco d. Spindle Top, near Beaumont e. None of these are correct 10. About how much did the Energy Information Agency estimate in 2011 that world energy consumption would increase between now and 2035? a. It would approximately double b. Nearly 70% c. Under the “Smart Scenario” it stays ﬂat d. Approximately 50% e. The Energy Information Agency doesn’t make projections 11. Who owns most of the world’s oil reserves? a. Exxon b. The aggregate of Russian Oil and Gas Companies c. National Oil Companies d. Shell e. PetroChina Co., Ltd. 12. Sources for man-made seismic waves are a. Dynamite b. Geophones c. Air guns d. a and c e. All of a, b, and c

13. Which of the following is not a discipline of Petroleum Engineering? a. Drilling b. Formation Evaluation c. Production Engineering d. Reservoir Engineering e. All are disciplines of Petroleum Engineering 14. Seismic waves reﬂect from the boundaries between rock layers wherever the following changes a. Density b. Speed of sound c. Radioactivity of rock d. a and b e. None of the above 15. A particular graded sequence is one where a sequence of sediments is laid down with the largest particles at the bottom grading to smallest particles at the top. Which of the following scenarios is likely to produce this type of graded bedding? a. A ﬂood occurs with a lot of water ﬂow at the beginning but declining with time b. river meander migrates, so that what was once the river bed becomes the river bank on the downriver side of a meander c. Sediments pile up on the continental shelf and occasionally dislodge, with sediments deposited in deep water as the rush of mixed sediment and water declines and ends d. None of the above e. All of the above 16. The periods of the Mesozoic Era in the Geologic Time Scale listed from oldest to youngest are a. Triassic, Jurassic, Cretaceous b. Cretaceous, Jurassic, Triassic

c. Only Triassic, Jurassic. Cretaceous is a period in the Cenozoic Era. d. Precambrian, Paleozoic, Mesozoic, Cenozoic e. None of the above 17. Which of the following is not something that is considered when planning a development? a. How many wells and where they are located? b. For offshore wells, what sort of platform or subsea production system? c. What risks are there, and how can they be mitigated? d. What is the schedule and cost? e. None of the above 18. As a seismic interpreter, what do you look for or use to identify prospects? a. Bright spots b. Synclines c. Traps up against salt or faults d. All of the above e. All of the above except for b. 19. You have a 3D seismic volume, and have mapped a horizon on a grid of lines. What options do you have to fill in the holes? a. Grid the data b. Auto track c. Grid, and then snap to the event d. a and b e. a., b., and c. 20. What data processing method is the basis for most auto—tracking of seismic horizons? a. Auto—correlation b. Cross-correlation c. Intelligent systems

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