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【多选题】
影响材料价格进而影响直接材料成本的因素包括______A.
市场供求关系的变化
B.
供货单位的更换
C.
运输方式与线路的改变
D.
采购批量的大小
E.
材料需求的缓急
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反馈参考答案：
举一反三
【单选题】Assumptions for Fetkovich decline type curve include ( ).
A.
Uniform pressure throughout the reservoir before production
B.
Constant-BHP production from a single well of radius rw centered in a circular reservoir
C.
No flow across the reservoir boundary
D.
All of the above
【简答题】Fetkovich decline type curve include both and flow regimes.
【简答题】Most of us seem to reach our peak of alertness (警觉) around noon. Soon after that, alertness declines, and sleepiness may set in by mid-afternoon. Your short-term memory is best during the morning—in f...
【单选题】The procedures for gas well decline-curve analysis with the Fetkovich Type curve can be divided into ( ) steps.
A.
5
B.
6
C.
7
D.
9
【判断题】Like the Fetkovich type curve, the Carter type curve considers non-Darcy flow effects.
A.
正确
B.
错误
【单选题】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
【多选题】Application of the Fetkovich type curves, we can estimate ( ).
A.
gas reserves
B.
permeability
C.
reservoir pore volume
D.
skin factor
E.
productive life
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