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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，可采用較大鉆壓鉆進(jìn)，大大提高了直井段的機械鉆速。
- 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，在減小直井底部鉆柱縱向振動(dòng)的問(wèn)題上存在鉆壓與轉速的優(yōu)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(cháng)鉆桿于較大能力的鉆機，可將鉆孔延深至數米，鉆垂直孔時(shí)，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. 該井直井段采用復合金屬離子聚合物鉆井液體系,較好地控制了鉆井液濾失量,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鉆柱的縱向振動(dòng)特性，利用根據相似理論設計出的鉆柱動(dòng)力學(xué)模擬試驗裝置，對不同參數組合下的鐘擺鉆具組合縱向振動(dòng)特性進(jìn)行了模擬實(shí)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(lǐng)。
- Evaluation of formation drill-ability anisotropy has important effect for preventing deviation of straight holes and planning drilling trajectories of directional wells. 地層可鉆性各向異性評價(jià)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(mén)上鑿了個(gè)孔，以便裝一把新鎖。
- It's three blocks straight ahead. 一直往前走過(guò)三個(gè)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(niǎo)在冰上啄出了一個(gè)洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一個(gè)洞。
- Lisa said my name wrongly so I set her straight. 莉莎把我的名字說(shuō)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(gè)問(wèn)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(chē)站為止。
- Stick your hand in and see what's in the hole. 把手伸進(jìn)去，看看洞里有什么。
- The dog skins through the small hole in the wall. 那條狗勉強鉆過(guò)小小的墻洞。
- She has straight, not curly hair. 她的頭發(fā)很直，不彎曲。
