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2003 Course Petro. Exploration & Prod. Operations (Elective II)

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Total No. of Questions : 8] [Total No. of Pages :2 P1531 [3764] - 403 B.E. (Petrochemical Engineering) PETROLEUM EXPLORATION AND PRODUCTION OPERATIONS (2003 Course) (Elective - II) Time : 3 Hours] [Max. Marks:100 Instructions to the candidates: 1) Answers to the two sections should be written in separate answer books. 2) Draw neat diagrams wherever necessary. 3) Q.1 and Q.5 are compulsory. Solve any other two questions each from Section - I and Section - II. SECTION - I Q1) a) What happens to each produced barrel of oil in terms of approximate percentage usage in various applications? [6] b) What are the important events in the history of petroleum industry since 1970s which have affected prices of oil? How has the industry responded to them? [6] c) Explain different sources of subsurface data in an oil well. [6] Q2) Explain in brief, how organic matter is transformed into petroleum in a sedimentary basin. [16] Q3) Draw neat figures and explain in brief various types of reservoir traps. [16] Q4) a) Explain different reservoir drive mechanisms with the help of neat sketches. [4] b) Define different classes of petroleum with respect to (i) API gravity and (ii) Percentage of impurity. [4] c) What are the important rock properties? How are they determined? [4] d) What are the essential conditions for the formation of petroleum reservoir? [4] P.T.O. SECTION - II Q5) a) Explain different types of drilling units used in oil industry for drilling wells onshore and offshore with the help of suitable sketches. [14] b) What are the functions of land lease department in an E & P Company?[4] Q6) What are the function of casings? What are the five classes of casing? Explain them in brief. List and explain important casing accessories. How in casing cementation carried out? [16] Q7) a) What are the functions of drilling fluids in an oil well? [4] b) What are Well Logs ? How are they useful in locating hydrocarbons?[4] c) Explain Seismic Reflection method of oil exploration. [4] d) With the help of a neat sketch explain the borehole environment. [4] Q8) What is artificial lift? Explain important methods of artificial lift mechanisms.[16] OR Explain any four techniques in brief. a) Extended reach drilling, b) MWD, c) Coiled Tubing in oil wells, d) Reservoir management, e) Unconventional synthesis of oil. kbkb [3764]-403 2 [16]

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