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- On the basis of the formation pressure,rational underbalance pressure and drilling fluid density are determined. 以最优的钻井成本,能实现最容易和最安全的钻井施工来衡量欠压值选得是否合理。
- The model can be used to determine formation pore pressure and the optimum drilling fluid density to stabilize borehole. 利用该模型可确定地层孔隙压力和保持井眼稳定的最优钻井液密度等参数。
- Therefore, the key problem in this area is to obtain reasonable drilling fluid density by means of figuring out right formation caving pressure. 如何合理地计算地层坍塌压力,给出合理的钻井液密度,是新站地区最为关心的问题。
- If only raising drilling fluid density to prevent hole sloughing,it will lead to slow penetration rates and long drilling cycles. 如果单纯提高钻井液密度防塌,则导致机械钻速低,钻井周期长。
- The limit value of drilling fluid density for avoidingthe borehole wall instability and the hydrostatic column pressure model were also determinedin this paper. 并根据井壁面岩块的极限稳定条件,建立了防止井壁岩块失稳的极限及井内钻井液柱压力模型。
- The relationship of drilling fluid density and formation dip with borehole undergauge creep deformation encountered in salt beds in Xinjiang Oilfield drilling was studied. 研究了新疆某油气田钻遇的盐岩层段钻井液密度、地层倾角与井眼蠕变缩径的关系。
- Especially in nonresistant strata,in order to keep borehole wall stability we usually raise the drilling fluid density,but it seriously impede the rate of penetration. 尤其是不稳定地层,常常靠提高钻井液密度来保证井壁稳定,严重的制约了钻速的提高。
- A Method of Determining Aerated Drilling Fluid Density for Wellbore Stability 维持井壁稳定的充气钻井液密度确定方法研究
- Study of Drilling Fluid Density Detection Based on Intelligent Sensor 基于智能传感器技术钻井液密度检测的研究
- Study on the Correlation Between Borehole Surrounding Rock Damage and Drilling Fluid Density 钻井液密度与井壁围岩破坏的关系
- Predicting safe drilling fluid density range before drilling by seismic fractal attributes 利用地震分形属性钻前预测安全钻井液密度范围
- Keywords evaporite bed;borehole;deformation;drilling fluid density;Lagrange method; 盐膏层;井眼;变形;钻井液密度;拉格朗日元法;
- Keywords pre-spud;seismic inversion;logging;rock mechanics;drilling fluid density; 钻前;地震反演;测井;岩石力学;钻井液密度;
- Keywords hole stability;drilling fluid density;sloughing pressure;fracture pressure;in-situ stress;T453 Well; 井眼稳定;钻井液密度;坍塌压力;破裂压力;地应力;T453井;
- Keywords borehole stability drilling fluid density calculation litho mechanics formation stress pararmeter method; 井眼;稳定性;钻井液密度;计算;岩石力学;地层应力;参数;方法;
- 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;
- Methyl silicone oil polysulfonate drilling fluid. 产。甲基硅油聚磺高密度钻井液。
- Study and application of high density organic salt drilling fluid for gypsum/salt bed. 盐膏层用高密度有机盐钻井液的研究与应用
- BZ 34-2EP-P1S drilling fluid technology. BZ34-2EP-P1S井钻井液技术
- Circulating micro-foam drilling fluid is a newly developed low density drilling fluid system in recent years. 可循环微泡沫钻井液是近年国内外推出的一种新型低密度钻井液体系。