1、For the line-source well,what are the additional assumptions?
A、Radial flow
B、Applicability of Darcy’s flow
C、The well has zero radius
D、The well drains an infinite area
2、To solve the arps’ equation, we need to calculate three parameters of ( ).
A、initial flow rate
B、initial decline rate
C、decline exponent
D、time
3、Flow periods in a vertically fractured well include ( ).
A、Fracture Linear Flow
B、Bilinear Flow
C、Formation Linear Flow
D、Elliptical Flow
E、Pseudoradial Flow
4、We model a ( ) rate gas flow test using superposition in time method.
A、constant
B、variabl
C、High
D、Low
5、The basis of well-test analysis for homogeneous-acting reservoir is ( ).
A、the line-source solution to the diffusivity equation
B、the line-source solution to the state equation
C、the line-source solution to the fluid motion equation
D、the line-source solution to the fluid continuity equation
6、The wellbore ( ) state flow pressure of gas well can be expressed by pseudopressure and pseudotime, pressure and time, adjusted pressure and time, pressure square and time.
A、steady
B、pseudosteady
C、unsteady
D、none of the above
7、The plot of adjusted shut in BHP, from a buildup test as a function of the log of the adjusted Horner time ratio function, we CANNOT calculate parameters of ( ).
A、apparent skin factor
B、original reservoir pressure
C、actual skin factor
D、permeability
8、In gas reservoir with ( ), non-Darcy flow effects may cause substantial errors in estimates of the apparent skin factor.
A、k>
0.1d
B、k>
0.1md
C、k<
0.1d
D、k<
0.1md
9、The original reservoir pressure is obtained by extrapolating the middle-time semilog straight line to ( ).
A、(tp–Δt)/Δt=1
B、(tp+Δt)/tp=1
C、(tp–Δt)/tp=1
D、(tp+Δt)/Δt=1
10、In the pressure drawndown test, the slope of the straight line of p vs logt can calculate the reservoir ( ).
A、rate
B、permeability
C、thickness
D、pressure
