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- To explore gas resources,one should adopt multi lateral horizontal well in drilling planning and unbalance drilling in operation. 由于天然气主要分布于储集体中,所以在钻孔设计上应采用多侧向水平井,施工中采用欠平衡钻进。
- Keywords deviation control;pendulum assembly;unbalanced drill collar;packed hole technique;inclining prevention device; 关键词井斜控制;钟摆钻具;偏重钻铤;满眼法;防斜器;
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- Emotionally upset or unbalanced. 紧张的情绪上紧张不安的或失去平衡的
- The workman is drilling in the wall. 工人正在墙上打孔。
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The noise of the drilling is intolerable. 钻孔的噪音让人受不了。
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了,十分刺耳。
- You'd better set a goal before you start the drill. 练习开始前,你最好设定一个目标。
- After a long drill he told the squad to fall out. 操练了好半天之后,他让这个班解散了。
- unbalanced drilling 欠平衡钻井
- She had lots of drill in listening. 她在听力方面受过许多训练。
- This drill can bore through rock. 这台钻机能钻透岩石。
- The doctor told him that his disease was caused by unbalanced hormone. 医生告诉他他的病是由荷尔蒙失衡引起的。
- The dentist's drill made a lot of noise. 牙钻发出很大的噪音。
- They raised taxes and unbalanced the budget. 他们加税使预算不平衡。
- What's the drill for claiming expenses? 费用报销的手续,是怎样的?
- He became a bit unbalanced after his wife died. 妻子死后,他的精神有点失常。
- An unbalanced diet has an adverse effect on health. 饮食摄取不均衡会对健康产生不良的影响。