A leak of nearly 13,000 barrels of crude oil from the Keystone Pipeline near the Kansas-Nebraska border last year was caused by a flawed weld and stress on the pipe from being bent, the operator said.

Caesar II Version 5.00 software for pipe-stress analysis features a revised piping-input processor that combines graphics, spreadsheet, and lists in a single view. Users can graphically edit sections ...

The study of drill pipe failure analysis and fatigue testing is critical in understanding the mechanisms behind fracture and degradation in drilling operations. Research in this field integrates ...