ft It is planned to run 10,000 ft of 9-5/8 casing string (nominal weight=47) in a...

 

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ft It is planned to run 10,000 ft of 9-5/8" casing string (nominal weight=47) in a 12-1/4" hole filled with 10 ppg drilling mud. The weight of the block and tackle is 40,000 lbf and the rig is supposed to have eight drilling lines. Compute the dry weight of the casing string. a. b. Compute the effective weight of the casing string. c. Compute the hook load if the casing is run empty. d. What must be the minimum derrick load capacity if the SF is 80%? ft It is planned to run 10,000 ft of 9-5/8" casing string (nominal weight=47) in a 12-1/4" hole filled with 10 ppg drilling mud. The weight of the block and tackle is 40,000 lbf and the rig is supposed to have eight drilling lines. Compute the dry weight of the casing string. a. b. Compute the effective weight of the casing string. c. Compute the hook load if the casing is run empty. d. What must be the minimum derrick load capacity if the SF is 80%?