问答题 翻译：In summary, the people who work on today s rigs are responsible for the safe and efficient operation of millions of dollar s worth of complex equipment.

问答题 翻译：In general, the thermal capacity of a formation is so large that the reservoir temperature remains essentially unchanged during depletion unless a fluid injection project such as waterflooding or steam injection is initiated.

问答题 翻译：The gas deviation factor can be estimated from well-known correlation charts, using reservoir temperature, pressure, and the molecular composition of the gas.