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Air lock problems often occur when one is trying to recommission a system after it has been deliberately (for servicing) or accidentally emptied. Take, for example, a central heating system using a circulating pump to pump water through radiators. When filling such a system, air is trapped in the radiators. This air has to be vented using screw ...
2010: Dalian Pipeline disaster – The explosion of two petroleum pipelines and subsequent fire in the port of Dalian, in northern China's Liaoning province on Saturday, on July 17, 2010, caused fatalities, damages and an ecological disaster, releasing 11,000 barrels of oil into the Yellow Sea, and covering up, according to different sources, from 50 to 430 km 2 of sea and coast lines.
Natural Gas Pipeline Company of America's 20-inch Indian Basin Pipeline ruptured and released approximately 31,757 MCF (31,757,000 cubic feet) of natural gas in Eddy County, New Mexico. There was no fire or injuries. [16] December 24 – A gas transmission pipeline exploded and burned, in Lyons, Nebraska. There were no injuries.
The pipeline exploded with enough force to raise geysers of water in the river and also threw cement chunks onto the tugboat‘s deck. The pipeline is owned by Houston-based Spectra Energy. [325] Analysis concluded that high water flow in the river eroded the cover over the pipeline and scoured away the soil support under the pipeline.
This list is complementary to the List of pipeline accidents in the United States. Large accidents, qualifying as industrial disasters are included. The production process encompasses all parts of the process from drilling for fuels to refining or processing to the final product. It also includes storage and disposal of waste.
When BP XA did not fully comply with the terms of the CAO, a complaint was filed in March 2009 alleging violations of the Clean Water Act, the Clean Air Act and the Pipeline Safety Act. In July 2011, the U.S. District Court for the District of Alaska entered a consent decree between the United States and BPXA resolving the government's claims.
Southern California's water district installs a quake-resistant pipe along the Colorado River Aqueduct to prevent a major spill.
Such an event is often called a bubble, by analogy with an air bubble in a fluid pipe. In some architectures, the execution stage of the pipeline must always be performing an action at every cycle. In that case, the bubble is implemented by feeding NOP ("no operation") instructions to the execution stage, until the bubble is flushed past it.