A series of weld defects has been found in detailed studies of the high-pressure gas pipeline that exploded last year in a San Bruno neighborhood, killing eight and destroying dozens of homes, federal ...

SAN BRUNO (AP) -- Federal investigators probing the cause of a deadly pipeline explosion in San Bruno said Friday they found dozens of defects and cracks in welds that held together segments of the ...

Welding tests in advance of construction of China's West-East Pipeline indicated that an overmatch between a girth weld and line pipe metal would improve limit load properties and strengthen fracture ...

Equinor has hit back at claims by Norway's safety watchdog that the operator's troubled Johan Castberg floating production, storage and offloading unit is on course to sail from a Singapore yard with ...