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- According to the sloughing mechanism，the optimum drilling technique and the optimum formulation of polyalcohol-KCl drilling fluid for coalbed were achieved. 煤岩自身的强度较低，吸水后强度会进一步下降，浸泡液类型和围压对煤岩强度有很大的影响。
- Well bore sloughing is very serious while drilling the coal beds in Jurassic & Triassic in Yiqikelike area, Tarim basin. In order to discuss the sloughing mechanism, experimental study on uniaxial tensile strength and triaxial compressive strength are. 在钻遇塔里木盆地依奇克里克区块的侏罗系和三叠系煤层时 ,井壁坍塌十分严重 ,为了探讨煤层坍塌的力学机理 ,进行了单轴抗拉强度和三轴抗压强度实验研究。
- The synthetic sloughing mechanism of coalbed in the Jurassic and Triassic systems was studied by chemical analysis and mechanical methods. 利用化学分析和力学研究方法,探讨了侏罗系和三叠系煤层的坍塌机理和防塌钻井技术对策。
- The synthetic sloughing mechanism of coal beds in Jurassic and Triassic systems of Tarim Basin was studied by using chemical analysis and mechanical methods. 利用化学分析和力学研究,探讨了塔里木盆地依奇克里克区块侏罗系和三叠系煤层的坍塌机理。
- Keywords anti sloughing;drilling fluid;classification;hole stability; 防塌;钻井液;分类;井眼稳定;
- Keywords polyglycols;drilling fluid;lubrication;inhibition;anti sloughing;oil and gas protection; 聚合醇;钻井液;润滑;抑制;防塌;油气层保护;
- The name of the slough was Despond. 这个深渊名叫绝望。
- They're completely anti the new proposals. 他们完全反对新的提议。
- Keywords hole caving;lost circulation;anti sloughing mud;temperary plugging agent;mud performance control;Eogene;Lunpola basin;XL4 well Li Li;working in No 4 Surveying and Exploration Team of MGMR.; 井塌;井漏;防塌钻井液;钾盐钻井液;屏蔽暂堵剂;钻井液性能控制;第三纪伦坡拉盆地;XL4井;
- You operate the mechanism by winding this handle. 操纵这台机器要转动这个把手。
- The watch has delicate mechanism. 这块表有精细的机械装置。
- Let's examine into the basic mechanism involved. 让我们把有关的基本结构搞搞清楚。
- She could slough off a sadness and replace it by a hope. 她能摈除悲伤而代之以希望。
- A part of a mechanism that moves in this manner. 横移物以这种方式移动的一个机械零件
- There's no mechanism for changing the decision. 没有办法改变这一决定。
- Slough occurs at the wound site. 腐肉发生在伤口部位。
- An airplane engine is a complex mechanism. 飞机引擎是种复杂的机械装置。
- The skin of a snake would slough. 蛇皮会蜕掉。
- They have always been anti colonialism. 他们一直是反对殖民主义的。
- He managed to slough off his drinking habit. 他终于戒掉了酗酒的习惯。
