5 We are only allowed to bring trucks to the wellsite one day per week. Our dies

Question

5 We are only allowed to bring trucks to the wellsite one day per week. Our diesel engine operates at 1200 rpm, 1400 ft-lbf torque, and consumes 25 gallons/hour of operation. We operate 24/7. How much diesel fuel storage do you recommend at the wellsite? (5 points) gal 6 We are using 1000 ft of 8" x 3" drill collars and 5" x 4.276" drill pipe. Current mud weight in the hole is a uniform 11 ppg to TD of 10,000' a) what is the hook load when the bit is just off bottom? (5 points) lbf The driller slacks off the brake and rests the entire drillstring weight on bottom. b) where is the neutral point in the drillstring after the driller slacks off (5 points) ft c) what happens to the drillpipe under these conditions? (5 points)

Explanation / Answer

5. Diesel required in a day will be

25gal/hr*24 hours = 600 gallons

In 1 week, diesel required = 600*7 = 4200 gallons

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