Estimate the load of each line strunk between the crown block and traveling block.

Estimate the load of dead$-$line.

Estimate the load of fast$-$line during hoisting.

Estimate the maximum hook horsepower available for hoisting.

Estimate the maximum hoisting speed.

Estimate the required time needed to pull a $90-ft$ stand.

Estimate the design factor for the drilling wire rope.

Does the estimated wire rope design factor satisfy API recommendation for hoisting.

Estimate work in ton$-$miles between wire rope cuts.

Estimate the cut$-$off length of wire rope.

Estimate the actual derrick load given that the grown block weighs $25,000lbf.$

Calculate the maximum equivalent derrick load.

Calculate the derrick efficiency factor.