1) treatment of cave-in
坍塌处理
2) sloughing mechanism
坍塌机理
1.
Synthetic sloughing mechanism of coal beds in Tarim Basin;
塔里木盆地煤层坍塌机理研究
2.
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。
3) depose collapse
坍方处理
4) collapse
[英][kə'læps] [美][kə'læps]
坍塌
1.
The synthetic control of large scale collapse of preparatory workings after submergence in Chengchao Iron Mine;
程潮铁矿淹井后采准巷道大面积坍塌的综合治理
2.
Collapsed Deposition of Accelerated C 60 Beam on Solid Surfaces(Ⅲ) ab initio Calculation of Quantum Chemistry;
C_(60)离子撞击固体表面的坍塌和沉积(Ⅲ)——量子化学从头算研究
3.
Treatment on collapse of water conveyance tunnel of Maliba Reservoir in Yunnan Province;
云南麻栗坝水库输水隧洞坍塌处理
5) sloughing
[英][slʌf] [美][slʌf]
坍塌
1.
1 mm) of 3000~5300 m in which major hole stability problems faced is as follows: The hard brittle mudstones in the upper formation of Jura-Triassic and Carboniferous and the basalts in Permian is prone to strip and drop when drilling and sloughing and severe hole enlargement frequently occurred.
在这一井段面临的井眼稳定问题主要是:①侏罗系—三叠系、石炭系上部硬脆性泥岩及二叠系玄武岩地层易剥落和掉块、坍塌,扩径严重;②需要解决裸眼段多个地层压力系统共存和地层岩性差异较大的漏失问题,目前承压堵漏工艺技术还不过关;③巨厚盐膏层的塑性变形极易导致发生缩径卡钻,由于含盐膏泥页岩中的盐溶解及泥页岩的水化分散作用易造成井壁的不稳定性。
6) slump
[英][slʌmp] [美][slʌmp]
坍塌
1.
Through a series of investigations,the most important reasons that lead to soil ruins,which had been damaged in north-west arid area of our country,are natural causes and human elements,and the instruction slump is the major represent form.
自然因素、人为因素等是我国西北干旱地区土遗址破坏的主要因素,结构坍塌是土遗址破坏的重要表现形式。
2.
The dike slope slumping with high frequency and on large scale is a new and important problem in river closure by end dumping with deep water and low velocity.
根据截流戗堤边坡的两种不同坍塌现象的特点 ,进行定性分析并总结其主要影响因素 ,包括抛投材料的抗冲能力、戗堤基础的抗冲能力、龙口水深、抛投材料的力学性质和抛投材料的浸水湿化。
3.
This paper researches the reasons of TGP s banquette slumping during river closure by the Catastrophe theory and Self organized criticality.
从突变理论及自组织临界性理论，对三峡大江截流戗堤坍塌机理进行研究。
补充资料：地层坍塌
分子式：
CAS号：
性质：钻井作业中，地层基岩与钻井液接触水化、膨化、胶结破坏或碎裂剥落(往往在地层倾角较大的井段发生)，使得井壁岩层损坏，这种现象称为地层坍塌或井壁坍塌。发生的原因是钻井液与地层岩石不配伍，滤失量过大，滤液抑制性不良，液柱静压控制不当，环空流速过高，操作失当等诸多物理及化学因素所造成。
CAS号：
性质：钻井作业中，地层基岩与钻井液接触水化、膨化、胶结破坏或碎裂剥落(往往在地层倾角较大的井段发生)，使得井壁岩层损坏，这种现象称为地层坍塌或井壁坍塌。发生的原因是钻井液与地层岩石不配伍，滤失量过大，滤液抑制性不良，液柱静压控制不当，环空流速过高，操作失当等诸多物理及化学因素所造成。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条