Focusing on high-margin drilling technology and tools, Duroc-Danner spun off the drill-pipe business as Grant Prideco in 2000 and sold off capital-intensive barge rig and gas-compression businesses.

FORBES: Magazine Article

The Health and Safety Executive (HSE) has said no-one can be blamed for gas igniting from a fractured pipe.

BBC: Police awards for Shrewsbury gas explosion rescue

Luxembourg-based Tenaris sells seamless steel pipe products to oil and gas companies.

FORBES: Magazine Article

In September 2008, a high-pressure natural gas pipeline operated by BP ruptured, sending two segments of pipe flying 900 feet across the tundra.

WSJ: As CEO Hayward Remade BP, Safety, Cost Drives Clashed

The HSE investigation focussed on the possibility of a faulty gas distribution system and found the cast iron mains pipe was sunk in sandy-gravelly soil that was classified as "very aggressive" to "moderately corrosive".

BBC: Shrewsbury gas explosion 'no-one's fault' HSE concludes

Mr. Morrison listed five near-miss incidents in November and December, including one in which natural gas escaped from a pipe aboard BP's Pompano platform, threatening an explosion.

WSJ: As CEO Hayward Remade BP, Safety, Cost Drives Clashed

If a government-mandated market for pollution offsets ever materializes, the 26-inch pipe hauling away carbon would be able to handle the plant's waste gas and another 5 million tons from other sources in New Jersey.

FORBES: Technology