问题 问答题 论述题

碳酸盐岩储集层的类型及其特征。

答案

参考答案:

根据碳酸盐岩中储集空间类型的不同,可将碳酸盐岩储集层划分为四种类型

a)孔隙型储集层

主要发育粒间孔隙、晶间孔隙等颗粒之间的孔隙的碳酸盐岩皆属此类。

b)溶蚀型储集层

主要发育各种溶蚀孔隙,常分布在不整合及大断裂带附近。

c)裂隙型储集层

主要在致密、性脆、质纯的碳酸盐岩中发育各种构造裂缝,它们既可作为油气储集空间,也可成为渗滤通道。

d)复合型储集层

实际上多数碳酸盐岩储集层是属于复合型的,原生孔隙、溶蚀洞穴、构造裂缝三者常同时出现,或同时发育其中的两种。

阅读理解

阅读理解。

     We drink tea every day. But more than 400 years ago, most people in Europe (欧洲) did not know anything

about tea. Some had heard about it,but very few knew what to do with it.

     Here is a story about an English sailor (水手)who went to countries all over the world. He had been to China

and India. One day he came home and brought some tea as a present for his mother. She told her friends about

the present and invited them to a "tea party".When her friends came to the "tea party", the old woman gave them

brown tea leaves. Her friends began to eat them of course, nobody liked the tea leaves. At that moment the sailor

came in, he looked at the table and said, "Mother, what have you done with the tea?"

     "I boiled it, as you said."

     "And what have you done with the water?"

     "I poured it out, of course." answered the mother.

     "Now you may throw away the leaves." said the sailor.

1. The mother _____.

A. boiled the tea and threw the leaves away

B. boiled the tea and poured the water out

C. knew more about tea than others

D. enjoyed herself very much

2. At the "tea party"_____.

A. everybody enjoyed the brown tea leaves

B. some of her friends enjoyed the brown tea leaves

C. nobody enjoyed the brown tea leaves

D. the old woman enjoyed the brown tea leaves

3. The son asked his mother to throw away the leaves, because _____.

A. his mother had treated (招待) her friends with the wrong thing

B. the tea his mother has made was too strong

C. he didn't like his mother's friends

D. he himself didn't like the tea leaves

4. Where does the sailor come from?

A. America

B. Canada

C. Thailand

D. England

5. He had been to _____.

A. China and Australia

B. Brazil and Chile

C. China and Brazil

D. India and China

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