1、The dry gases at the surface “dry” indicates that no ( )form in the surface equipment during production.
A、water
B、liquid hydrocarbons
C、heavy hydrocarbons
D、connate water
2、The total cumulative gas production is the difference between original gas in place and gas in place at some ( ).
A、later conditions
B、economic conditions
C、abandonment conditions
D、technical conditions
3、Because of reservoir ( ), the encroaching water does not sweep some portions of the reservoir effectively.
A、heterogeneities
B、discontinuities
C、water influx
D、faults
4、To account for the unswept portions of the reservoir, we introduce a ( ) into the volumetric equation.
A、volumetric sweep efficiency
B、water saturation
C、recovery factors
D、gas saturation
5、Material balance methods provide a simple and effective methods for estimating ( ) at any stage of reservoir depletion.
A、original gas in place
B、recovery factor
C、gas reserves
D、production
6、The dominant drive mechanism of normal volumetric dry gas reservoir is ( )as reservoir pressure decreases.
A、rock expansion
B、water expansion
C、oil expansion
D、gas expansion
7、The Methods for estimating water influx include ( ).
A、horner method
B、van Everdingen-Hurst method
C、Carter-Tracy method
D、Fetkovich Method
8、To develop the material balance equation for a volumetric geopressure gas reservoirs, the drive mechanism including( )during the productive life of the reservoir.
A、gas expansion
B、rock expansion
C、water expansion
D、oil expansion
9、If we analyze the geopressured reservoir using techniques for normally pressured reservoirs, we will ( )the original gas in place .
A、underestimate
B、Overestimate
C、equal to
D、any possible
10、Using volumetric method, the original gas in place can be calculated by ( ).
A、areas
B、porosity
C、thickness
D、water saturation
E、FVF of gas in initial
F、cumulative gas production
