05.07.2009
A gas well producing at a constant rate in which wellhead pressure changes no more than a small amount as a function of time. The actual amount of change permitted in a given time period to allow a well to be designated as stabilized may be fixed by law
To start the well drilling process by removing rock, dirt and other sedimentary material with the drill bit
Date that drilling begins
The price for a one–time open market transaction for immediate delivery of the gas