2024知到答案 气藏工程（双语） 完整智慧树网课章节测试答案

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.
选项：
A:proportions
B:mole fraction
C:volume fraction
D:mass fraction
答案: 【proportions】

2、多选题：
The z factor depends on ( ), can be measured in the laboratory or obtained from correlations.
选项：
A:temperature
B:specific gravity
C:pressure
D:gas composition
答案: 【temperature;
specific gravity;
pressure;
gas composition】

3、多选题：
Several gas properties have the same values for similar gases at identical values of ( ).
选项：
A:reduced temperature
B:critical pressure
C:critical temperature
D:reduced pressure
答案: 【reduced temperature;
reduced pressure】

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 ( ).
选项：
A:16
B:29
C:30
D:28
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.
选项：
A:gravity
B:the molecular weight
C:mole fraction
D:critical temperature
E:critical pressure
答案: 【gravity;
the molecular weight;
mole fraction】

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 ( ).
选项：
A:surface condition
B:standard condition
C:stock tank 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 ( ).
选项：
A:molecular weight
B:temperature
C:pressure
D:z factor
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.
选项：
A:equal to
B:less than
C:less or equal to
D:greater than
答案: 【equal to】

9、多选题：
The concentration of dissolved solids in water can be measured with several different units, including( ).
选项：
A:grams Nacl per liter
B:parts per million
C:weight percent
D:grams of salt per liter
答案: 【grams Nacl per liter;
parts per million;
weight percent;
grams of salt 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.
选项：
A:pressure change
B:pressure drop
C:rate change
D:skin factor
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 ( ).
选项：
A:an equation of fluid motion
B:an equation of state
C:an equation of well testing
D:the principle of mass conservation
答案: 【an equation of fluid motion;
an equation of state;
the principle of mass conservation】

2、多选题：
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、单选题：
Assuming that the ( ) is zero, we can write a mass balance on the element as win-wout=qm .
选项：
A:velocity
B:pressure
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 ( ).
选项：
A:viscosity
B:velocity
C:pressure
D:temperature
答案: 【pressure;
temperature】

5、单选题：
The assumption of constant is valid only for ( ).
选项：
A:very low pressure and gas gravities at high temperatures
B:very low pressure and gas gravities at low temperatures
C:very high pressure and gas gravities at high temperatures
D:very high pressure and gas gravities at low 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.
选项：
A:applicability of Darcy’s law
B:Homogeneous and isotropic porous medium
C:uniform thickness, radial flow, small pressure gradients
D:pressure dependent rock and fluid properties.
答案: 【applicability of Darcy’s law;
Homogeneous and isotropic porous medium;
uniform thickness, radial flow, small pressure gradients;
pressure dependent rock and fluid properties.】

7、单选题：
Using the reference length, we define dimensionless radius as ( ).
选项：
A:rD=rw/r
B:rD=r-rw
C:rD=r˙rw
D:rD=r/rw
答案: 【rD=r/rw】

8、单选题：
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=(p-pc)/pi
B:pD=(pc-p)/pi
C:pD=(pi-p)/pc
D:pD=(p-pi)/pc
答案: 【pD=(pi-p)/pc】