Bench of closed circuit cooling tower that is composed of boiler ,exchanger, orifice flowmeter, water pump, micromanometer , heat indicator and so on is established.
In the case of mudstone to be a source rock, the uncompacted mudstone would have a strong capability of hydrocarbon concentation sealing to seal gas in diffusive phase.
It was only a bayou in the ancient time and later on it became a lake for the tide had brought sand to the bayou.After numerous constructions, it became a semi-closed adlittoral lake.