With this transaction, Enron has committed to sell about $250 million worth of its oil and gas properties.

He began by acquiring gas producing properties in the mid-continent and southwest.

They are the most likely source of information on the gas properties.

Analysis of the data indicated that copernicium was more volatile than mercury and had noble gas properties.

The company sold about one-third of its domestic oil and natural gas properties last year.

There are many mathematical tools available for analyzing gas properties.

Last year's loss was largely attributable to a $58 million write-down in the value of certain oil and gas properties, the company said.

Tar sand deposits and all natural gas properties were in Alberta.

Depending on the model, some gas properties may be treated as constant with respect to altitude.

"It takes time for companies to shut down their operations and sell off their oil and gas properties."