问题 问答题 简答题

氯化硅固砂法的哪些优点?

答案

参考答案:

①向地层中注入的流体是气相,可以防止由于流体与地层不配伍和井筒附近液相饱和度增大对地层的污染;②可用油管小管柱泵入地层;③生成二氧化硅的反应几乎是瞬时完成,作业时间短,停产时间短。同时,由于是单相化学剂,作业简单;④此方法固砂强度大,并且,由于二氧化硅胶结物的亲水特征和此法只注入气相的特点,渗透率下降比其它方法要低。

阅读理解

阅读理解。

     Mr Knott was a worker . He worked in a big factory in London . He lived a long way from the

factory.  So he was usually quite tired when he got home . At half past nine one evening, when he was

just in bed, the telephone rang in the hall of his house . He went downstairs and picked up the telephone

receiver and said , "This is White Street 2876 . Who is that speaking, please?"   

     "Watt ," a man answered .

     "What's your name, please ?" said Mr Knott .

     "Watt's my name ," was the answer .

     "Yes , I asked you that. what's your name ?" Mr Knott said again .

     "I told you , Watt's my name ," said the other man . " Are you Jack Smith ."

     "No , I'm Knott ," Answered Mr Knott .

     "Will you give me your name ?" said Mr Watt .

     "Will Knott," answered Mr Knott .

     Both Mr Watt and Mr Knott put their telephone receivers down angrily and thought , "He must be

mad"(疯).               

1. Mr Knott was usually quite tired when he got home because          .

A. he was very old                                  

B. he lived a long way from his factory

C. he often went home on foot                

D. he didn't like his work

 2. What happened at half past nine one evening?

A.  friend came to visit him .  

B. A man gave him a telephone call .

C. he couldn't remember his friend's name.  

D. Nothing happened.

3. Who called him?

A. A mad man                       

B. Mr Watt               

C. Jack Smith                        

D. Nobody

4. What words have the same sounds as " Watt and Knott"?

A. What and not.                   

B. What and know  

C. Wait and not                     

D. Water and now

5. Who was the mad man?

A. Mr Knott                          

B. Mr Watt    

C. Jack Smith                        

D. Nobody

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