气藏工程（双语） 2024智慧树满分答案

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彼舍连儡拎腻矢老匪定裁碎粟

绪论单元测试

1、多选题：
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
答案: condensate gas reservoir;pure gas reservoir

2、多选题：
The unconventional gases include ( ).

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

第一章单元测试

1、单选题：
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
答案: proportions

2、多选题：
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
答案: gas composition;pressure;temperature;specific gravity

3、多选题：
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
答案: reduced pressure;reduced temperature

4、单选题：
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
答案: 29

5、多选题：
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
答案: the molecular weight;mole fraction;gravity

6、单选题：
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
答案: standard condition

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

A:z factor
B:temperature
C:molecular weight
D:pressure
答案: pressure

8、单选题：
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
答案: equal to

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

parts per million

weight percent

grams of salt per liter

grams Nacl per liter

答案:

parts per million

;

weight percent

;

grams of salt per liter

;

grams Nacl per liter

10、单选题：
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
答案: skin factor

第二章单元测试

1、多选题：
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
答案: the principle of mass conservation;an equation of fluid motion;an equation of state

2、多选题：
In a ( ) reservoir, fluid flows radially from the reservoir to the wellbore.

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

3、单选题：
Assuming that the ( ) is zero, we can write a mass balance on the element as win–wout=qm .

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

4、多选题：
An EOS relates volume (or density) to ( ).

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

5、单选题：
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
答案: very low pressure and gas gravities at high temperatures

6、多选题：
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
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、单选题：
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
答案: rD=r/rw