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气藏工程
气藏工程
1
According to the phase diagram，the gas reservoir can be devided into（）
2
The unconventional gases include（）
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The constituents and their（）in the natural gas is called the composition of natural gas
4
The z factor depends on（）， can be measured in the laboratory or obtained from correlations
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Several gas properties have the same values for similar gases at identical values of（）
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Under standard conditions， we can express the specific gravity of a gas mixture as ratio of apparent molecular weight of the gas to（）
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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
8
The FVF of a gas is defined as the ratio of gas volume at reservoir temperature and pressure to the volume at（）
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For an ideal gas， the isothermal coefficient of compressibility is the reciprocal of（）
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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
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The concentration of dissolved solids in water can be measured with several different units， including（）
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The effect of non-Darcy flow usually is incorporated into fluid flow equations as an additional（）that is rate dependent
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To develop analysis and design techniques for well testing， we must make several simplifying assumptions about the well and reservoir being modeledThese assumptions are introduced as needed to combine（）
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In a（） reservoir， fluid flows radially from the reservoir to the wellbore
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Assuming that the（） is zero， we can write a mass balance on the element as win-wout=qm
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An EOS relates volume（or density） to（）
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The assumption of constant is valid only for（）
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The assumptions of ideal-reservoir model include（） and negligible gravity effects
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Using the reference length， we define dimensionless radius as（）
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We would like pD=0 when p=pi ， pD to increase with time and pD to be positiveSo we rewrite pD in the form（）
21
The dry gases at the surface dry indicates that no（）form in the surface equipment during production
22
The total cumulative gas production is the difference between original gas in place and gas in place at some（）
23
Because of reservoir（）， the encroaching water does not sweep some portions of the reservoir effectively
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To account for the unswept portions of the reservoir， we introduce a（） into the volumetric equation
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Material balance methods provide a simple and effective methods for estimating（） at any stage of reservoir depletion
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The dominant drive mechanism of normal volumetric dry gas reservoir is（）as reservoir pressure decreases
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The Methods for estimating water influx include（）
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To develop the material balance equation for a volumetric geopressure gas reservoirs， the drive mechanism including（）during the productive life of the reservoir
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If we analyze the geopressured reservoir using techniques for normally pressured reservoirs， we will（）the original gas in place
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Using volumetric method， the original gas in place can be calculated by（）
31
The basis of decline curve analysis is that future production continues to follow the past trend， we can use these models to estimate（）
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Depend on the value of the decline exponent has different forms， these forms of decline are（）
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The Arps’ decline equation is based on important and widely violated assumptions including（）
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For exponential decline， there are some straight lines of（）
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（）called constant percentage decline， is characterized by a decrease in production rate per unit of time
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The Fetkovich decline type curves are based on（） to the flow equations for production at constant BHP
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Application of the Fetkovich type curves， we can estimate（）
38
Carter offered improved accuracy by plotting functions that include the changes of parameters（）in gas properties with pressure
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For the harmonic Decline， the decline exponent is（）
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To solve the arps’ equation， we need to calculate three parameters of（）
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For the line-source well，what are the additional assumptions？
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Flow periods in a vertically fractured well include（）
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We model a（） rate gas flow test using superposition in time methoD
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The basis of well-test analysis for homogeneous-acting reservoir is（）
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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
46
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（）
47
In gas reservoir with（）， non-Darcy flow effects may cause substantial errors in estimates of the apparent skin factor
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The original reservoir pressure is obtained by extrapolating the middle-time semilog straight line to （）
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In the pressure drawndown test， the slope of the straight line of p vs logt can calculate the reservoir（）
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智慧树知到《气藏工程（双语）》章节测试答案
51
气藏物质平衡就是（）定律在气藏工程中的应用。