2004 F Exam A - NAME Print Clearly PETROLEUM ENGINEERING...

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  NAME ................................................. Print Clearly P E T R O L E U M E N G I N E E R I N G 6 6 1 Drilling Engineering QUIZ I O c t o b e r 2 1 , 2 0 0 4 7 : 0 0 – 9 : 0 0 p . m .
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(25 points) I. Circulating Pressures A 10,000-ft string of 5-in OD drill pipe is suspended just off bottom. 13.0 lb/gal drilling fluid is being circulated down the inside of the drill pipe, through the bit which has three 12 / 32 -inch diameter nozzles, and up the annulus. There are no drill collars in the hole. Viscometer Readings Hole diameter = 8.5 in. R3 = 5 Drill pipe ID = 4.276 in R100 = 23 Circulation rate = 600 gal/min R300 = 77 R600 = 95 USING THE API POWER LAW MODEL, PLEASE DETERMINE THE FOLLOWING: (i) What is the bottom hole pressure) .................................... psig (ii) What is the equivalent mud weight at the bottom of the hole? .................................... lb/gal (iii) What is the pressure drop across the nozzles? .................................... psi
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This note was uploaded on 10/30/2011 for the course PETROLEUM 661 taught by Professor Dr.jeromej.schubert during the Fall '11 term at Texas A&M University-Galveston.

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2004 F Exam A - NAME Print Clearly PETROLEUM ENGINEERING...

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