Carbon capture and storage technology (CCS) is a way to mitigate the impact of greenhouse gas emissions on the global climate and oceans. Through carbon capture and storage technology (CCS), carbon dioxide produced by industrial and mining companies such as power plants can be injected into rock formations that once stored oil and natural gas.
In the North Sea oil and gas fields in Europe, there are many abandoned offshore LPG drilling platforms, and CCS can give these abandoned drilling platforms new vitality and use value.
At present, there are already several test platforms in the world that have successfully injected carbon dioxide into deep reservoirs. However, the current widespread concern is how to control and manage these deep-seated carbon dioxide. Being able to detect that carbon dioxide is indeed locked in a rock formation that will leak is an important step in demonstrating that carbon capture and storage technology is indeed effective.
According to a recent report by the British Broadcasting Corporation (BBC), in terms of carbon capture technology, the high cost of monitoring is the main obstacle to the promotion of this technology. At present, the main monitoring technology used by people is geophysical seismic imaging technology, but this technology needs continuous monitoring for a long time.
Professor Jon Gluyas of Durham University in the UK is collaborating with colleagues at the University of Sheffield and the University of Bath to develop more economical carbon storage monitoring technology. Detection at the same place as the X-ray examination of the human body in medicine.
The monitoring technology they use is the muon imaging technology. Muon is a new lepton produced by cosmic rays striking oxygen and nitrogen atoms in the atmosphere above the earth. Muon is a kind of charged particle, similar to electron, but its weight is 200 times that of the latter.
The research team has begun to deploy detectors that are sensitive to muons deep in the formation. The muon imaging technology has been used to detect the distribution of magma in the crater and the damage inside the Fukushima nuclear power plant in Japan. In CCS technology, muon imaging technology can detect the distribution of carbon dioxide underground.
The research team chose a mine named Bolby in the North Sea to build a physics laboratory. The well is 1km deep and has a promenade that can extend 7km underground. They placed a muon detector here to monitor muons from the atmosphere that traversed the North Sea and 1 km of rock formations. As the tide rises and falls, the depth of the seawater through which the muon passes will also change. These changes will be captured by the detector.
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