2021知到答案 气藏工程（双语） 智慧树网课章节测试答案

绪论 章节测试

1、选择题:According to the phase diagram,the gas reservoir can be devided into ( ).
选项：
A:condensate gas reservoir
B:wet gas reservoir
C:dry gas reservoir
D:pure gas reservoir
答案: 【condensate gas reservoir;
pure gas reservoir】
2、选择题:The unconventional gases include ( ).
选项：
A:tight gas
B:coalbed methane
C:shale gas
D:gas hydrate
E:associated gas
答案: 【tight gas;
coalbed methane;
shale gas;
gas hydrate】

第一章 章节测试

1、选择题:The constituents and their ( )in the natural gas is called the composition of natural gas.
选项：
A:mole fraction
B:proportions
C:mass fraction
D:volume fraction
答案: 【proportions】
2、选择题:The z factor depends on ( ), can be measured in the laboratory or obtained from correlations.
选项：
A:gas composition
B:pressure
C:temperature
D:specific gravity
答案: 【gas composition;
pressure;
temperature;
specific gravity】
3、选择题:Several gas properties have the same values for similar gases at identical values of ( ).
选项：
A:reduced pressure
B:critical pressure
C:reduced temperature
D:critical temperature
答案: 【reduced pressure;
reduced temperature】[$]
4、选择题:Under standard conditions, we can express the specific gravity of a gas mixture as ratio of apparent molecular weight of the gas to ( ).
选项：
A:30
B:29
C:28
D:16
答案: 【29】
5、选择题:If a significant fraction of heavy components is present in the natural gas mixture, laboratory measurements of ( ) of the C7+ fraction are required to use mixing rules.
选项：
A:the molecular weight
B:mole fraction
C:gravity
D:critical temperature
E:critical pressure
答案: 【the molecular weight;
mole fraction;
gravity】
6、选择题:The FVF of a gas is defined as the ratio of gas volume at reservoir temperature and pressure to the volume at ( ).
选项：
A:stock tank condition
B:surface condition
C:standard condition
D:reservoir condition
答案: 【standard condition】
7、选择题:For an ideal gas, the isothermal coefficient of compressibility is the reciprocal of ( ).
选项：
A:z factor
B:temperature
C:molecular weight
D:pressure
答案: 【pressure】
8、选择题:Under the condition that reservoir pressure is greater than the original bubblepoint pressure, the solution gas oil ratio is ( ) the solution gas oil ratio at bubblepoint.
选项：
A:greater than
B:equal to
C:less than
D:less or equal to
答案: 【equal to】
9、选择题:The concentration of dissolved solids in water can be measured with several different units, including(  ).
选项：
A:
parts per million
B:
weight percent
C:
grams of salt per liter
D:
grams Nacl per liter
答案: 【
parts per million
;
weight percent
;
grams of salt per liter
;
grams Nacl per liter
】
10、选择题:The effect of non-Darcy flow usually is incorporated into fluid flow equations as an additional ( )that is rate dependent.
选项：
A:skin factor
B:pressure drop
C:rate change
D:pressure change
答案: 【skin factor】

第二章 章节测试

1、选择题:To develop analysis and design techniques for well testing, we must make several simplifying assumptions about the well and reservoir being modeled. These assumptions are introduced as needed to combine ( ).
选项：
A:the principle of mass conservation
B:an equation of fluid motion
C:an equation of state
D:an equation of well testing
答案: 【the principle of mass conservation;
an equation of fluid motion;
an equation of state】
2、选择题:In a ( ) reservoir, fluid flows radially from the reservoir to the wellbore.
选项：
A:Homogeneous-acting
B:Heterogeneous-acting
C:polyhedral
D:cylindrical
答案: 【Homogeneous-acting;
cylindrical】
3、选择题:Assuming that the ( ) is zero, we can write a mass balance on the element as win–wout=qm .
选项：
A:pressure
B:velocity
C:net generation of matter
D:the mass flow rate into the system
答案: 【net generation of matter】
4、选择题:An EOS relates volume (or density) to ( ).
选项：
A:pressure
B:velocity
C:temperature
D:viscosity
答案: 【pressure;
temperature】
5、选择题:The assumption of constant is valid only for ( ).
选项：
A:very low pressure and gas gravities at low temperatures
B:very low pressure and gas gravities at high temperatures
C:very high pressure and gas gravities at low temperatures
D:very high pressure and gas gravities at high temperatures
答案: 【very low pressure and gas gravities at high temperatures】
6、选择题:The assumptions of ideal-reservoir model include ( ) and negligible gravity effects.
选项：
A:Homogeneous and isotropic porous medium
B:pressure dependent rock and fluid properties.
C:applicability of Darcy’s law
D:uniform thickness, radial flow, small pressure gradients
答案: 【Homogeneous and isotropic porous medium;
pressure dependent rock and fluid properties.;
applicability of Darcy’s law;
uniform thickness, radial flow, small pressure gradients】
7、选择题:Using the reference length, we define dimensionless radius as ( ).
选项：
A:rD=r˙rw
B:rD=r/rw
C:rD=rw/r
D:rD=r-rw
答案: 【rD=r/rw】
8、选择题:We would like pD=0 when p=pi , pD to increase with time and pD to be positive. So we rewrite pD in the form ( ).
选项：
A:pD=(pc-p)/pi
B:pD=(p-pc)/pi
C:pD=(p-pi)/pc
D:pD=(pi-p)/pc
答案: 【pD=(pi-p)/pc】

第三章 章节测试

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

第四章 章节测试

1、选择题:The basis of decline curve analysis is that future production continues to follow the past trend, we can use these models to estimate ( ).
选项：
A:original gas in place
B:ultimate gas reserves
C:remaining productive life
D:formation permeability
E:skin factor
答案: 【original gas in place;
ultimate gas reserves;
remaining productive life;
formation permeability;
skin factor】
2、选择题:Depend on the value of the decline exponent has different forms, these forms of decline are ( ).
选项：
A:exponential
B:harmonic
C:hyperbolic
D:Aprs
答案: 【exponential;
harmonic;
hyperbolic】
3、选择题:The Arps’ decline equation is based on important and widely violated assumptions including ( ).
选项：
A:constant BHP
B:unchanging drainage area
C:constant k and s
D:boundary dominated flow
答案: 【constant BHP;
unchanging drainage area;
constant k and s;
boundary dominated flow】
4、选择题:For exponential decline, there are some straight lines of ( ).
选项：
A:lgq VS t
B:lgq VS Gp
C:q VS Gp
D:q VS t
答案: 【lgq VS t;
q VS Gp】
5、选择题:（ ）called constant percentage decline, is characterized by a decrease in production rate per unit of time .
选项：
A:exponential
B:harmonic
C:hyperbolic
D:Aprs
答案: 【exponential】
6、选择题:The Fetkovich decline type curves are based on ( ) to the flow equations for production at constant BHP.
选项：
A:empirical solution
B:analytical solution
C:actual solution
D:practical solution
答案: 【analytical solution】
7、选择题:Application of the Fetkovich type curves, we can estimate ( ).
选项：
A:gas reserves
B:permeability
C:reservoir pore volume
D:skin factor
E:productive life
答案: 【gas reserves;
permeability;
reservoir pore volume;
skin factor;
productive life】
8、选择题:Carter offered improved accuracy by plotting functions that include the changes of parameters ( )in gas properties with pressure.
选项：
A:FVF
B:Viscosity
C:Compressibility
D:density
答案: 【Viscosity;
Compressibility】
9、选择题:For the harmonic Decline, the decline exponent is ( ).
选项：
A:equal to 1
B:less than 1
C:larger than 0
D:equal to 0
答案: 【equal to 1】
10、选择题:To solve the arps’ equation, we need to calculate three parameters of ( ).
选项：
A:initial flow rate
B:initial decline rate
C:decline exponent
D:time
答案: 【initial flow rate;
initial decline rate;
decline exponent】

第五章 章节测试

1、选择题:For the line-source well,what are the additional assumptions?
选项：
A:Radial flow
B:Applicability of Darcy’s flow
C:The well has zero radius
D:The well drains an infinite area
答案: 【The well has zero radius;
The well drains an infinite area】
2、选择题:To solve the arps’ equation, we need to calculate three parameters of ( ).
选项：
A:initial flow rate
B:initial decline rate
C:decline exponent
D:time
答案: 【initial flow rate;
initial decline rate;
decline exponent】
3、选择题:Flow periods in a vertically fractured well include ( ).
选项：
A:Fracture Linear Flow
B:Bilinear Flow
C:Formation Linear Flow
D:Elliptical Flow
E:Pseudoradial Flow
答案: 【Fracture Linear Flow;
Bilinear Flow;
Formation Linear Flow;
Elliptical Flow;
Pseudoradial Flow】
4、选择题:We model a ( ) rate gas flow test using superposition in time method.
选项：
A:constant
B:variabl
C:High
D:Low
答案: 【variabl】
5、选择题:The basis of well-test analysis for homogeneous-acting reservoir is ( ).
选项：
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
答案: 【the line-source solution to the diffusivity equation】
6、选择题: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.
选项：
A:steady
B:pseudosteady
C:unsteady
D:none of the above
答案: 【unsteady】
7、选择题: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 ( ).
选项：
A:apparent skin factor
B:original reservoir pressure
C:actual skin factor
D:permeability
答案: 【actual skin factor】
8、选择题:In gas reservoir with ( ), non-Darcy flow effects may cause substantial errors in estimates of the apparent skin factor.
选项：
A:k>0.1d
B:k>0.1md
C:k<0.1d
D:k<0.1md
答案: 【k>0.1md】
9、选择题:The original reservoir pressure is obtained by extrapolating the middle-time semilog straight line to ( ).
选项：
A:(tp–Δt)/Δt=1
B:(tp+Δt)/tp=1
C:(tp–Δt)/tp=1
D:(tp+Δt)/Δt=1
答案: 【(tp+Δt)/Δt=1】
10、选择题:In the pressure drawndown test, the slope of the straight line of p vs logt can calculate the reservoir ( ).
选项：
A:rate
B:permeability
C:thickness
D:pressure
答案: 【permeability】[/$]