Research on the hard brittle shale and drilling fluid type in WZ 12-1N oilfield;
涠洲12-1N油田硬脆性泥页岩研究及钻井液技术对策
To solve the borehole instability in brittle shale because of micro-fractures,this paper set up a new evaluation method of hard brittle shalethe simulation and sealing about micro-fracture.
以伊利石、伊蒙混层为主的硬脆性泥页岩微裂缝发育,容易引起井壁失稳,一直未能找到很好的评价方法。
It was characterized by complex geological structure, lots of fractures and folds under the influence of Himalayan tectogenesis, Specially for the hard brittle shales with a quantities of micro-fractures in this area, serious problems such as borehole instability, and pipe sticking occurred frequently during the borehole drilling.
受喜马拉雅构造运动的影响,地质构造复杂,断裂、褶皱发育,尤其是该地区的硬脆性泥页岩地层,微裂缝发育,钻井中极易发生井壁坍塌、掉块、卡钻等恶性事故。
Wellbore instability caused by brittle shale is a very complex problem during drilling.
硬脆性泥页岩引起的井壁失稳是钻井过程中经常遇到的一个十分复杂的难题。
Experimental study of effect of chemical corrosion on strength and deformation of hard brittle limestone
化学侵蚀下硬脆性灰岩变形和强度特性的试验研究
In the Bohai Bay basin,because of the existence of thick active soft shale in sedimentary formation,downhole problems happen frequently and hydrocarbon reservoir is damaged in a certain degree when drill this shale interval using ordinary polymer drilling fluid system with poor encapsulating ability,weak formation sealing ability,and bad shear thinning property.
在渤海湾盆地,由于沉积地层存在大段活性软泥页岩,普通聚合物钻井液体系的包被抑制能力不够,封堵能力不强,剪切稀释能力差,在钻遇该泥页岩井段时,经常出现井下复杂情况,并且油层受到一定程度的伤害。
Study on Water Based Fluids Suitable for the Hard Brittle Shale Formations
适用于硬脆性泥页岩地层的水基钻井液技术研究
Simulation of Rockburst in Hard and Brittle Surrounding Rocks of Circular Underground Cavern
圆形地下洞室坚硬脆性围岩岩爆的模拟
The Method Research of Well-bore Stability Evaluation in Shale by Logging
泥页岩井壁稳定性测井评价方法探讨
Effect of the Water Sensitivity of Mud Stone and Shale on the Plastic De-formation of Salt Bed
泥页岩水敏性对盐岩层塑性变形的影响
Chemical-Mechanical Modeling of Borehole Stability in Shale;
泥页岩井壁稳定性力学化学耦合模型研究
The Coupling Method Research on the mechanics and Chemistry of the shale borehole Stability
基于力——化耦合的泥页岩井壁稳定性研究
Experimental study of effect of chemical corrosion on strength and deformation of hard brittle limestone
化学侵蚀下硬脆性灰岩变形和强度特性的试验研究
Study on Model and Stability of Surrounding Rock of Large Underground Caverns under High Geo-Stress Condition;
高地应力下硬岩弹脆塑性劣化本构模型与大型地下洞室群围岩稳定性分析
Oil Sludge Treatment in Oil Shale Retorting Process
油母页岩干馏生产过程中的油泥处理
Formulation and Evaluation of a Shale Inhibitive Agent SIAT
泥页岩抑制剂SIAT的研制与评价
Suggestions on Surrounding Rock Reinforcement for Hydraulic Tunnel of Sand-shale in North Shaanxi
关于陕北砂泥(页)岩水工隧洞围岩加固的意见
A metamorphic rock, intermediate between shale and slate, that does not possess true slaty cleavage.
厚层泥岩一种变质岩，在页岩与板岩之间，不具备真正的板块解理
polygenetic micrltic dolostone; marl and shale.
复合成因的白云岩、泥灰岩及页岩等4大类14种岩相。
Study on Continuum Damage of the Tunnel Brittle-Quasibrittle Surrounding Rocks;
隧道脆性—准脆性围岩连续损伤特征研究
Research on Coefficent of Brittle Stress Drop of Brittle-plastic Rocks
脆塑性岩石应力脆性跌落系数的试验研究
Development characteristics of organic-rich shale and strategic selection of shale gas exploration area in China
我国富含有机质泥页岩发育特点与页岩气战略选区
A light - colored tuff used in hydraulic cement.
粗面凝灰岩一种用来生产硬水泥的淡色凝灰岩
The gas drilling technology is increasingly applied these days due to its high ROP, effective prevention of the cave-in of water-sensitive shales and the capability to eliminate lost circulations.
气体钻井由于其机械钻速快,能有效防止水敏性泥页岩坍塌,杜绝井漏。