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See Full PDFDownload PDF. blast fishing FISHING TOOL MANUAL Oil Field Services Division ff Bill Linn P O Box 989 Fishing Tool Technical Service 2013 Highway 135 N Downhole Trainer Kilgore, Texas 75663 903/984-5541 Direct 903/984-2335 Fax Training Center 903/983-6707 Mobile 903/984-1608 Home bill linn@weatherford com ECONOMICS – WHEN TO QUIT FISHING?