2) formation breakdown pressure
地层破裂压力
1.
According to it,the artificial vertical fracture will appear at the base of the perforation,and the corresponding modified formula of formation breakdown pressure for arbitrary perforation completions was given.
但分析公式,发现人工裂缝将会在射孔根部位置出现,于是给出了相应的地层破裂压力计算修正公式。
3) fracture pressure
地层破裂压力
1.
Method for formation fracture pressure prediction of water injection wells and its application;
注水井地层破裂压力预测方法及应用
2.
Accordingly, through the studying on the essential theoretics and method of formation pressure analysis, with the application of the pressure prediction analysis system (DrillWork 2005), the paper introduced a pattern to predict formation pore pressure, fracture pressure, collapse pressure, by .
为此,通过地层压力分析的基本理论和方法研究,结合DrillWorks2005软件中压力预测分析系统的应用,提出了利用自然伽马、电阻率、声波时差等测井资料进行综合分析,进而预测地层孔隙压力、地层破裂压力、地层坍塌压力的模式。
3.
In order to improve fracturing effect in low permeability tight sandstone gas reservoirs,the author conducted field experiments of oriented perforating,it had decreased fracture pressure and near well bore friction for experiment well.
根据理论分析,结合真三轴水力压裂模拟实验,得出平行于最大主应力方向定向射孔工艺有助于降低地层破裂压力及近井筒效应,提高压裂效果。
4) formation fracture pressure
地层破裂压力
1.
Apply logging data to estimate in-situ stress and formation fracture pressure;
应用测井资料计算地应力以及地层破裂压力——以库车坳陷克拉A井解释为例
2.
How to Use Seismic Data to Forecast Formation Fracture Pressure;
地震资料预测地层破裂压力的方法
3.
It is necessary to predict formation fracture pressure and hydraulic fracture height,from which better fracturing effect of low porosity and permeability reservoirs can be achieved.
利用eXpress平台处理Xmac测井资料对地层破裂压力进行预测的过程中,发现计算岩石力学参数程序中比奥特压缩系数常出现奇异值或断点。
5) low pressure fracturing formation
低压裂缝性地层
6) formation fracturing pressure
地层破裂压力
1.
A three-dimensional finite element model together with the tensile criterion of rock materials is employed to investigate systematically the influences of perforation in vertical wells on formation fracturing pressure, including perforation density, perforation orientation, perforation diameter and perforation length.
使用三维有限元模型结合岩石的抗拉破坏准则,系统研究了垂直井中射孔对于地层破裂压力的影响,考虑的射孔参数包括射孔密度、射孔方位角、射孔孔眼直径和射孔孔眼长度。
补充资料：延迟破裂
分子式：
CAS号：
性质：金属材料氢损伤的特征之一。在冶炼、焊接、电镀、酸洗等工序或使用过程中，氢可能进入金属，但并不马上造成破坏，而是积聚在材料内部某些区域，在氢与外加应力的联合作用下经过一段孕育期后，材料内部产生微裂纹，再经过亚临界扩展阶段逐渐长大成临界裂纹，最后导致断裂。
CAS号：
性质：金属材料氢损伤的特征之一。在冶炼、焊接、电镀、酸洗等工序或使用过程中，氢可能进入金属，但并不马上造成破坏，而是积聚在材料内部某些区域，在氢与外加应力的联合作用下经过一段孕育期后，材料内部产生微裂纹，再经过亚临界扩展阶段逐渐长大成临界裂纹，最后导致断裂。
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