问题
问答题 简答题
钻井取心过程中如何保证钻井取心的准确性？
答案
参考答案：
取心前要准确丈量方入，核实取心钻具组合长度，保证取心进尺和井段无误，下钻到底，取心钻进前和取心钻进结束，割心前都要丈量方入，方入的丈量应在同一钻压条件下进行丈量（应在钻头接触井底，钻压为2t～3t的条件下丈量方入）。
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钻井取心过程中如何保证钻井取心的准确性？
参考答案：
取心前要准确丈量方入，核实取心钻具组合长度，保证取心进尺和井段无误，下钻到底，取心钻进前和取心钻进结束，割心前都要丈量方入，方入的丈量应在同一钻压条件下进行丈量（应在钻头接触井底，钻压为2t～3t的条件下丈量方入）。
| 根据短文内容，选择正确答案。 | |
dog and its feet are not clean. I don't want the dog to sit near me. But the woman says to the conductor (售票员): " Oh, I pay for (付款) my dog. Can he sit here like the other people? " The conductor looks at the dog and says, " Yes, madam (夫人), but he must put his feet on the ground like the other people." | |
| 1. I'm going home on a ______________ day. | |
| A. rainy B. snowy C. sunny | |
| 2. Who gets on the bus with a big dog? | |
| A. A girl. B. A conductor. C. A woman. | |
| 3. I don't want the dog to sit near me, because ______________. | |
| A. the dog is big B. the dog is not clean C. the dog isn't mine |