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- At the same deviation, the big WOB can be applied to increase the penetration rate in the straight hole. 在防斜效果不變的情況下，可採用較大鑽壓鑽進，大大提高了直井段的機械鑽速。
- 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，在減小直井底部鑽柱縱向振動的問題上存在鑽壓與轉速的優化組合。
- Location and spacing of sucker rod centralizers in straight holes. 直井抽油桿柱扶正器安裝位置及安裝間距。
- 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. 選用加長鑽桿於較大能力的鑽機，可將鑽孔延深至數米，鑽垂直孔時，可採用取芯器配合取芯。
- 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. 該井直井段採用複合金屬離子聚合物鑽井液體系,較好地控制了鑽井液濾失量,減少了濾液滲入地層,防止了地層水化膨脹。
- 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. 摘要為了了解直井眼中底部鑽柱的縱向振動特性，利用根據相似理論設計出的鑽柱動力學模擬試驗裝置，對不同參數組合下的鐘擺鑽具組合縱向振動特性進行了模擬實驗研究。
- His strength in a crisis is an ace in the hole. 臨危不懼是他的看家本領。
- Evaluation of formation drill-ability anisotropy has important effect for preventing deviation of straight holes and planning drilling trajectories of directional wells. 地層可鑽性各向異性評價在直井防斜以及定向井井眼軌跡控制中具有重要的意義。
- Keep straight on until you get to the church. 一直朝前走就走到教堂了。
- He chiseled a hole in the door to fit a new lock. 他在門上鑿了個孔，以便裝一把新鎖。
- It's three blocks straight ahead. 一直往前走過三個街區就是。
- She gave it to me straight from the shoulder. 她坦誠地批評我。
- The bird picked a hole in the ice with its beak. 那鳥在冰上啄出了一個洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一個洞。
- Lisa said my name wrongly so I set her straight. 莉莎把我的名字說錯了，我便加以糾正。
- I just want a straight answer to the question. 我只需要得到對這個問題的明確答案。
- Go straight on until you come to a bus stop. 你一直往前走，直到公共汽車站為止。
- Stick your hand in and see what's in the hole. 把手伸進去，看看洞里有什麼。
- The dog skins through the small hole in the wall. 那條狗勉強鑽過小小的牆洞。
- She has straight, not curly hair. 她的頭髮很直，不彎曲。
