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.

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 ...

Custom sleeve design provides a cost-effective means for stopping leaks on pipeline supply headers delivering to refineries. A sealing clamp initially used to stop a leak on an oil pipeline began to ...