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- The following are the anti-sloughing mechanisms： The mud shale particles are prevented to hydrate and disperse by adsorbing and coating. 结果表明，改性多元醇的防塌机理主要为：通过吸附包被防止泥页岩颗粒水化分散；
- SC can remarkably inhibited mud shale dispersion, keep the borehole wall steady.At the same time, on the base of inherent these, SC form hydrophobic property membrane on the drill bit and BHA. 实验表明，本文所研究的产物中具有一定分子参数的共聚产品耐盐、抗钙、耐温性好，具有较强的抑制性和润滑性以及降失水能力，是一种多功能的新型两性离子聚合物。
- Development of Model 2ZZS1120 Drilling Mud Shale Shaker 2ZZS1120型钻井泥浆振动筛
- Cambrian source rocks,including mud shales and carbonates,are among the main source rocks in Tarim basin. 寒武系烃源岩是塔里木盆地主要烃源岩之一,包括泥页岩和碳酸盐岩。
- The new process extracts oil from shale. 这一新过程可从页岩里提炼出石油。
- The tuck slowly ploughed through the mud. 车在泥泞中吃力地缓慢行驶。
- Most of the rock in this mountain is shale. 这座山上大部分的岩石都是页岩。
- A passing car splashed mud on my new trousers. 路过的一辆车把泥水溅到我的新裤子上了。
- The mud was soft and our feet sank in. 泥很软，我们的脚都陷进去了。
- The truck bespattered my clothes with mud. 卡车溅得我满身衣服都是泥浆。
- Keywords drilling fluid;namometer;caving preventor/lubricant;mud shale;anti-sloughing;wellbore stability; 钻井液;纳米;防塌润滑剂;泥页岩;防塌;井眼稳定;
- The heavy wheels churned the earth into mud. 笨重的车轮将大地碾成了泥浆。
- She combed the mud out of the dog's fur. 她梳去狗的皮毛中的泥土。
- Her clothes were bespattered with mud. 她的衣服溅上了泥污。
- As the bus passed, it spattered mud on my clothes. 公共汽车开过时溅了我一身泥。
- He removed the mud from his shoes. 他去掉鞋上的泥。
- The channel of the river filled up with mud. 河道塞满了泥。
- My boots are plastered with mud. 我的长统靴上粘满了泥巴。
- My car is sticking fast in the mud. 我的汽车陷在泥里不能动了。
- Keywords drilling;mud shale;sidewall stability;mechanical-chemical coupling;logging data;critical drilling fluid density; 钻井;泥页岩;井壁稳定;力学化学耦合;测井资料;临界钻井液密度;
