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- At the same deviation, the big WOB can be applied to increase the penetration rate in the straight hole. 在防斜效果不变的情况下，可采用较大钻压钻进，大大提高了直井段的机械钻速。
- Moreover, regarding to reducing the longitudinal vibration of bottom string in straight hole, there is the problem of optimization grouping between WOB and rotary speed. 另外，在减小直井底部钻柱纵向振动的问题上存在钻压与转速的优化组合。
- Location and spacing of sucker rod centralizers in straight holes. 直井抽油杆柱扶正器安装位置及安装间距。
- The extension drill rod which can be used for higher capacity drill,the drill hole can be extended to sezeral meetrs, when drilling the straight hole,the core lifter can help coring. 选用加长钻杆于较大能力的钻机，可将钻孔延深至数米，钻垂直孔时，可采用取芯器配合取芯。
- In the straight hole,the complex metallic ion polymer drilling fluid system was used.The drilling fluid filtrate was controlled well,and the formation hydrating and swelling were prevented. 该井直井段采用复合金属离子聚合物钻井液体系,较好地控制了钻井液滤失量,减少了滤液渗入地层,防止了地层水化膨胀。
- According to the experimental device designed on the basis of the principle of similitude, the longitudinal vibration characteristics of bottom string in straight hole were investigated. 摘要为了了解直井眼中底部钻柱的纵向振动特性，利用根据相似理论设计出的钻柱动力学模拟试验装置，对不同参数组合下的钟摆钻具组合纵向振动特性进行了模拟实验研究。
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- Evaluation of formation drill-ability anisotropy has important effect for preventing deviation of straight holes and planning drilling trajectories of directional wells. 地层可钻性各向异性评价在直井防斜以及定向井井眼轨迹控制中具有重要的意义。
- Let's try to rig up some sort of shelter. 让我们赶快搭个遮风挡雨的棚吧。
- No one know better how to rig an election. 没有人更知道如何操纵选举。
- The oil rig is now fully operative. 石油钻塔现全面开工。
- Keep straight on until you get to the church. 一直朝前走就走到教堂了。
- Oil suddenly jetted out of rig number four. 油突然从四号钻井中喷了出来。
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- The children ran a rig upon the new boy. 孩子们作弄新来的男孩。
- She gave it to me straight from the shoulder. 她坦诚地批评我。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
