According to the U.S. Pipeline and Hazardous Materials Safety Administration, the federal government's pipeline regulator, hydrostatic testing of hazardous liquid pipelines requires testing to at ...

The pipe on Bent Mountain ruptured as water was pumped through it at high pressure to test for leaks. Pipeline opponents say this shows the 303-mile high-pressure gas pipeline is not ready for use.

The news of this successful use of hydrostatic testing spread quickly to other pipeline operators, and by the late 1960s the ASA B31.8 Committee (forerunner of ASME B31.8) had established an ...

The report also said it was the only section that failed during hydrostatic testing for the entire pipeline. In a blog post, MVP said the review found no evidence of external or internal corrosion ...

A PG&E natural gas pipeline that exploded during pressure testing on Sunday afternoon, causing a mudslide across Interstate Highway 280 in Woodside, was likely damaged by a backhoe, a utility ...

A 2-foot-wide section of pipe burst Sunday during a high-pressure water test along the same Pacific Gas & Electric pipeline in Northern California that had a deadly explosion last year, sending ...

The breach was the only failure during hydrostatic testing of the 303-mile pipeline, Mountain Valley owner EQT Midstream Vice President Justin Trettel wrote in a letter to the Pipeline and ...

According to SoCalGas, the overall Line 4000 Phase 2A Hydro-test project will test approximately 45.67 miles of pipe and replace 787 feet of 30-inch station pipe.

CHARLESTON, W.Va. (AP) — A test failure of the Mountain Valley Pipeline in May resulted from a manufacturer defect, not corrosion, according to an independent report commissioned by its developers.