Question: 2 A driller is pulling on a stuck drillstring. The drillpipe is 4.5 20 lb/ft. Twelve lines are strung between the crown block and traveling
2 A driller is pulling on a stuck drillstring. The drillpipe is 4.5" 20 lb/ft. Twelve lines are strung between the crown block and traveling block. A safety factor of 1.8 is required for the drillpipe. (5 points) How hard can the driller pull to free the stuck pipe based on the drillpipe rating? 2 A driller is pulling on a stuck drillstring. The drillpipe is 4.5" 20 lb/ft. Twelve lines are strung between the crown block and traveling block. A safety factor of 1.8 is required for the drillpipe. (5 points) How hard can the driller pull to free the stuck pipe based on the drillpipe rating
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