Sentences with phrase «low permeability»
"Low permeability" means that a substance or material does not allow liquids or gases to pass through it easily. Full definition
Shale gas and tight oil from low permeability reservoirs have provided a new lease on life for U.S. oil and gas production.
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That same technology is now being used on old exhausted oil reserves to recover oil, and can recover oil again from low permeability reservoirs.
One reason the overlap between shale gas and sequestration regions is so great, they said, is that shale formations typically have very low permeability in the first place.
They have two layers of gravel: A highly permeable layer on top and a bottom layer which has very low permeability due to being compacted by tidal movement.
The four major categories of unconventional reservoirs are listed in a declining order of importance: shale gas, tight (i.e. low permeability) sandstones, coalbed methane and tight carbonates.
Shale gas and tight oil from low permeability reservoirs have provided a new lease on life for U.S. oil and gas production.
As the crystalline areas have a lower permeability than the amorphous areas, information can be read from the memory by reading the changes in a probe magnetic field.
A big limitation in existing nanofiltration and reverse - osmosis desalination plants, which use filters to separate salt from seawater, is their low permeability: Water flows very slowly through them.
When the site stopped collecting MSW, a low permeability soil cover was placed over the intermediate cover, which is between 8 and 20 feet thick today.
It has a low permeability, meaning it releases trapped gas very slowly, and can be expensive to develop.