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Posts Tagged ‘pipeline leaks’

from EIA data

Reports in Nov. indicated that ~60,000 bopd were shut-in as a result of the presumed Main Pass Oil Gathering system pipeline leak. The Coast Guard subsequently reported that other pipelines in the area were shut-in as the search for a leak continued. The bulk of the Nov./Dec. production decline of ~80,000 bopd (from Oct. levels) was probably attributable to those pipeline system shut-ins.

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Wer ist verantwortlich?

As reported by Tagespiegel, the EU states have agreed to better protect critical infrastructure. Yet apparently the status of the Nord Stream investigation(s) was not discussed. When will the findings be released? How and when will the responsible parties be identified?

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Still no clues as to the responsible parties.

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Sept 30 (Reuters) – The ruptures on the Nord Stream natural gas pipeline system under the Baltic Sea have led to what is likely the biggest single release of climate-damaging methane ever recorded, the United Nations Environment Programme said on Friday.

“This is really bad, most likely the largest emission event ever detected,” Manfredi Caltagirone, head of the IMEO for UNEP, told Reuters. “This is not helpful in a moment when we absolutely need to reduce emissions.”

Researchers at GHGSat, which uses satellites to monitor methane emissions, estimated the leak rate from one of four rupture points was 22,920 kilograms per hour. That is equivalent to burning about 630,000 pounds of coal every hour, GHGSat said in a statement.

The Nord Stream methane release, while puzzling and rather frightening given the potential for escalating international tensions, was not an environmental disaster or even a major environmental setback.

Some perspective:

  • estimate for the main Nord Stream leak (likely the maximum or near-maximum rate) = 22,930 kg/hr
  • 22,930 kg/h = 550,320 kg/day = 550.320 x 106 g/day
  • total methane source for North American coastal waters (NASEM, Oil in the Sea, p. 63) = 4 – 20 Tg/yr
  • 10 Tg/yr (i.e. 10 x 1012 g/yr) = 0.027 x 1012 g/day = 27000 x 106 g/day
  • This is ~50 times the temporary (maximum?) daily rate for the Nord Stream leak
  • North American input from seafloor seepage only (NASEM, Oil in the Sea, p. 63) = 2 – 9 Tg/yr
  • assuming 5 x 1012 g/year or 13700 x 106 g/day
  • This is ~25 times the temporary (maximum?) daily rate for the Nord Stream leak

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Germany’s navy is contributing to the investigation into the Nord Stream 1 and 2 gas pipeline leaks, said Defence Minister Christine Lambrecht, who added that the situation must be clarified and those responsible must be identified quickly.

Reuters

 Russia’s FSB security service is investigating the damage sustained by the Nord Stream gas pipelines under the Baltic Sea as “international terrorism”, the Interfax news agency cited the general prosecutor’s office as saying on Wednesday.

Reuters

Meanwhile, “the U.S. is supporting efforts to investigate,” whatever that means.

Here is Al Jazeera’s summary video:

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