2) decreasing formation fracturing pressure
降低地层破裂压力
3) 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。
4) 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。
5) 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。
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:锅炉、压力容器、压力管道及特种设备定期检验
锅炉、压力容器、压力管道及特种设备定期检验
periodic inspection of boilers, pressure vessels, pressure piping and special equipment
guolu YOli侧飞扣1 YOli gLJal对印ji tez陌叩劝以拍1 dingqi】,on四n锅炉、压力容器、压力管道及特种设备定期检验(peri诫c inspectionof城le。,p~切reves-Sels,p~二piPing ands衅过闪uiplr屺nt)为保证设备的安全使用,规定设备必须按一定周期进行法定的、强制性的检验。定期检验由政府设立的检验所、使用单位或行业检验站进行。检验单位及检验人员必须具有与所检设备相适应的资格。设备使用单位应该建立定期检验制度,做好检验计划,按时向检验单位提出申请。检验单位应该保证及时进行检验,检验按有关检验规则进行。检验时,设备使用单位应做好配合工作,提供必要的运行资料。检验完毕,检验单位要出具检验报告,对设备能否使用,要作出明确结论。如设备有缺陷,要提出是否修理、监护使用和报废的处理意见。锅炉压力容器安全监察机构根据检验机构的报告,发使用许可证书。有缺陷的,责令使用单位修理,修理后检验仍不符合安全要求的,则通知报废。使用单位逾期不进行定期检验,锅炉压力容器安全监察机构有权停止其设备运行。(陈亦惠)
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