地层中微粒运移是指由于(),使储层中固有的颗粒脱落,随流体发生移动,在孔隙通道中形成

题型:单项选择题

问题:

地层中微粒运移是指由于(),使储层中固有的颗粒脱落,随流体发生移动,在孔隙通道中形成“桥堵”或“帚堵”堆积。

A.流体流速较高

B.压差波动较大

C.流体流速较高或压差波动较大

D.流体与地层水不配伍

考点:石油钻井工考试高级石油钻井工高级石油钻井工题库
题型:单项选择题

阅读理解

     Once upon a time, two brothers who lived on neighboring farms fell into conflict(冲突). It was the

first serious one between them in 40 years of farming peacefully side by side.In the end,they fell apart.

     One morning, a man with a carpenter's toolbox came for some work.The elder brother said,"I just

have a job for you.Look at that farm across the creek(河沟). My younger brother lives there.It was he

who used his bulldozer(推土机)to dig the creek last week to spite(刁难)me.So I want you to build me

a fence, an 8foothigh fence, in order not to see his place any more." The carpenter smiled and said,"I see.

I'll try to do a job that satisfies you." Then the elder brother went downtown.

     At sunset when the farmer returned,the carpenter had just finished his job.The farmer's eyes opened

wide! To his surprise, there was no fence there at all!Instead, there was a bridge stretching from one side

of the creek to the other! A fine piece of work! He saw his younger brother coming to him with the hands outstretching.The brothers stood at each end of the bridge,and then they met in the middle, taking each

other's hands.They turned to see the carpenter lift his toolbox on his shoulder. "No, wait! Stay a few

days.I've a lot of other work for you,"said the elder brother."I'd love to stay on," the carpenter said,"but

I have so many more bridges to build."

1. What was the life like for the two brothers before the conflict?

A. They lived a poor life.

B. They lived in peace.

C. They never spoke to each other.

D. They lived on the same farm.

2. It can be learned that the carpenter was________.

A. unwilling to obey the farmer

B. fond of building bridges

C. unable to build a fence

D. willing to help others

3. The best title for this passage is________.

A. A Fine Piece of Work

B. A Carpenter

C. A Conflict between Two Brothers

D. Two Brothers

4. Which of the following is true according to the passage?

A. The elder brother used his bulldozer to dig a creek.

B. The elder brother helped the carpenter build the bridge.

C. The brothers were both satisfied with the carpenter's work.

D. The carpenter planned to build an 8foothigh fence as asked to.

题型:单项选择题

洋地黄毒糖是

A.6-去氧糖
B.2,6-二去氧糖
C.6-去氧糖甲醚
D.α-氨基糖
E.α-羟基糖

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室外直放站系统整体测试时,要求在设计覆盖范围内95%的位置上所测得的手机接收信号强度不得低于()。

题型:单项选择题

约60%足月儿和80%以上的早产儿可于()

A.生后1~2天出现黄疸

B.生后2~3天出现黄疸

C.生后2~4天出现黄疸

D.生后2~5天出现黄疸

E.生后2~6天出现黄疸

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某班级有学生60名,语文平均成绩为85分,按成绩将学生划分为优秀和非优秀,优秀学生的平均成绩为90分,非优秀学生的平均成绩为75分,则优秀学生的人数是______。

A.15
B.20
C.30
D.40

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