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- For directional drilling, the workhorse has been the steerable directional motor with a bent housing. 頂驅在提升旋轉鉆井效率方面至關(guān)重要。
- This paper discuss the characteristics of movement and force of lobe universal shaft, analyzes the strength of lobe teeth, and presents the calculation equation for bore shift for various structure of both single bent housing and double bent housing. 文中闡述了瓣型萬(wàn)向軸的運動(dòng)與受力特征，對瓣齒進(jìn)行了強度分析，并給出了單彎殼體與反向雙彎殼體不同結構形式下的內孔偏移量計算公式。
- Application of Tandem and Lengthened Mud Motor 串聯(lián)和加長(cháng)鉆井液馬達及其應用
- Keywords steerable drilling drill tool design mathema tical model horizontal drilling Bent Housing motor; 導向鉆井;鉆具設計;造斜率;數學(xué)模型;水平鉆井;
- The tuck slowly ploughed through the mud. 車(chē)在泥濘中吃力地緩慢行駛。
- A passing car splashed mud on my new trousers. 路過(guò)的一輛車(chē)把泥水濺到我的新褲子上了。
- The mud was soft and our feet sank in. 泥很軟，我們的腳都陷進(jìn)去了。
- I bent back too far and hurt my back muscles. 我后仰得太厲害，扭傷了腰部。
- All eyes were bent on the fancy car. 所有的眼神都注視那部新奇的車(chē)。
- The truck bespattered my clothes with mud. 卡車(chē)濺得我滿(mǎn)身衣服都是泥漿。
- The motor car disappeared in eddy of dust. 汽車(chē)在一片揚塵的渦流中不見(jiàn)了。
- The stream takes a sudden bend to the east. 小溪突然轉向東流。
- The heavy wheels churned the earth into mud. 笨重的車(chē)輪將大地碾成了泥漿。
- She bent over backwards to show it. 她拚命把它顯露出來(lái)。
- Joyce is bent on buying a new house. 喬伊斯一心想買(mǎi)一套新住房。
- She combed the mud out of the dog's fur. 她梳去狗的皮毛中的泥土。
- Laura bent her head and hurried on. 勞拉低著(zhù)頭匆匆往前走。
- Judy bent her face low over the notebook. 朱迪把臉湊近筆記本。
- Her clothes were bespattered with mud. 她的衣服濺上了泥污。
- The motor launch was fitting out as a fishing boat. 這艘摩托艇正在裝備成漁船。
