There is a drill string with a weight of 530000 lb that is pulled up at 100 ft/min. The number of lines used through the travelling block is 10. a) Calculate the static tension in the fast line and dead line during upward motion. b) Calculate the actual derrick load. c) Calculate the maximum equivalent derrick load. d) Calculate input and output horsepower for the hoisting system.

There is a drill string with a weight of 530000 lb that is pulled up at 100 ft/min. The number of lines used through the travelling block is 10. a) Calculate the static tension in the fast line and dead line during upward motion. b) Calculate the actual derrick load. c) Calculate the maximum equivalent derrick load. d) Calculate input and output horsepower for the hoisting system.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.

Question

There is a drill string with a weight of 530000 lb that is pulled up at 100 ft/min. The
number of lines used through the travelling block is 10.
a) Calculate the static tension in the fast line and dead line during upward
motion.
b) Calculate the actual derrick load.
c) Calculate the maximum equivalent derrick load.
d) Calculate input and output horsepower for the hoisting system.

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