# 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 ( ).

A:condensate gas reservoir
B:wet gas reservoir
C:dry gas reservoir
D:pure gas reservoir

pure gas reservoir

2、选择题:The unconventional gases include ( ).

A:tight gas
B:coalbed methane
C:shale gas
D:gas hydrate
E:associated 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.

A:mole fraction
B:proportions
C:mass fraction
D:volume fraction

2、选择题:The z factor depends on ( ), can be measured in the laboratory or obtained from correlations.

A:gas composition
B:pressure
C:temperature
D:specific gravity

pressure;
temperature;
specific gravity

3、选择题:Several gas properties have the same values for similar gases at identical values of ( ).

A:reduced pressure
B:critical pressure
C:reduced temperature
D:critical temperature

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 ( ).

A:30
B:29
C:28
D:16

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.

A:the molecular weight
B:mole fraction
C:gravity
D:critical temperature
E:critical pressure

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 ( ).

A:stock tank condition
B:surface condition
C:standard condition
D:reservoir condition

7、选择题:For an ideal gas, the isothermal coefficient of compressibility is the reciprocal of ( ).

A:z factor
B:temperature
C:molecular weight
D: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.

A:greater than
B:equal to
C:less than
D:less or equal to

9、选择题:The concentration of dissolved solids in water can be measured with several different units, including(  ).

A:
parts per million
B:
weight percent
C:
grams of salt per liter
D:
grams Nacl per liter

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.

A:skin factor
B:pressure drop
C:rate change
D:pressure change

## 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 ( ).

A:the principle of mass conservation
B:an equation of fluid motion
C:an equation of state
D:an equation of well testing

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.

A:Homogeneous-acting
B:Heterogeneous-acting
C:polyhedral
D:cylindrical

cylindrical

3、选择题:Assuming that the ( ) is zero, we can write a mass balance on the element as winwout=qm .

A:pressure
B:velocity
C:net generation of matter
D:the mass flow rate into the system

4、选择题:An EOS relates volume (or density) to ( ).

A:pressure
B:velocity
C:temperature
D:viscosity

temperature

5、选择题:The assumption of constant is valid only for ( ).

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

6、选择题:The assumptions of ideal-reservoir model include ( ) and negligible gravity effects.

A:Homogeneous and isotropic porous medium
B:pressure dependent rock and fluid properties.
C:applicability of Darcy’s law

pressure dependent rock and fluid properties.;
applicability of Darcy’s law;

7、选择题:Using the reference length, we define dimensionless radius as ( ).

A:rD=r˙rw
B:rD=r/rw
C:rD=rw/r
D: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 ( ).

A:pD=(pc-p)/pi
B:pD=(p-pc)/pi
C:pD=(p-pi)/pc
D: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.

A:water
B:liquid hydrocarbons
C:heavy hydrocarbons
D:connate water

2、选择题: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、选择题:Because of reservoir ( ), the encroaching water does not sweep some portions of the reservoir effectively.

A:heterogeneities
B:discontinuities
C:water influx
D:faults

discontinuities

4、选择题: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、选择题: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

recovery factor;
gas reserves

6、选择题: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、选择题:The Methods for estimating water influx include ( ).

A:horner method
B:van Everdingen-Hurst method
C:Carter-Tracy method
D:Fetkovich 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.

A:gas expansion
B:rock expansion
C:water expansion
D:oil 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 .

A:underestimate
B:Overestimate
C:equal to
D:any possible

10、选择题: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

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 ( ).

A:original gas in place
B:ultimate gas reserves
C:remaining productive life
D:formation permeability
E:skin factor

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 ( ).

A:exponential
B:harmonic
C:hyperbolic
D:Aprs

harmonic;
hyperbolic

3、选择题:The Arps’ decline equation is based on important and widely violated assumptions including ( ).

A:constant BHP
B:unchanging drainage area
C:constant k and s
D:boundary dominated flow

unchanging drainage area;
constant k and s;
boundary dominated flow

4、选择题:For exponential decline, there are some straight lines of ( ).

A:lgq VS t
B:lgq VS Gp
C:q VS Gp
D:q 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 .

A:exponential
B:harmonic
C:hyperbolic
D:Aprs

6、选择题:The Fetkovich decline type curves are based on ( ) to the flow equations for production at constant BHP.

A:empirical solution
B:analytical solution
C:actual solution
D:practical solution

7、选择题:Application of the Fetkovich type curves, we can estimate ( ).

A:gas reserves
B:permeability
C:reservoir pore volume
D:skin factor
E:productive life

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.

A:FVF
B:Viscosity
C:Compressibility
D:density

Compressibility

9、选择题:For the harmonic Decline, the decline exponent is ( ).

A:equal to 1
B:less than 1
C:larger than 0
D:equal to 0

10、选择题: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

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?

B:Applicability of Darcy’s flow
D:The well drains an infinite area

The well drains an infinite area

2、选择题: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

initial decline rate;
decline exponent

3、选择题:Flow periods in a vertically fractured well include ( ).

A:Fracture Linear Flow
B:Bilinear Flow
C:Formation Linear Flow
D:Elliptical Flow

Bilinear Flow;
Formation Linear Flow;
Elliptical Flow;

4、选择题:We model a ( ) rate gas flow test using superposition in time method.

A:constant
B:variabl
C:High
D:Low

5、选择题: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、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.

D:none of the above

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 ( ).

A:apparent skin factor
B:original reservoir pressure
C:actual skin factor
D:permeability

8、选择题: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、选择题:The original reservoir pressure is obtained by extrapolating the middle-time semilog straight line to ( ).

A:(tpΔt)/Δt=1
B:(tp+Δt)/tp=1
C:(tpΔt)/tp=1
D:(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 ( ).

A:rate
B:permeability
C:thickness
D:pressure

《2021知到答案 气藏工程（双语） 智慧树网课章节测试答案》由本站整理发布，如若转载，请注明出处：http://www.tiku56.com/zhihuishu/570992.html