1) safe mud density window
安全钻井液密度
1.
Based on the comprehensive analysis of logging data,geological information and laboratory tests results,this paper studied the pore pressure,in-situ stresses and rock strength of Liuhua 11-1 oil field,analyzed the borehole stability during the drilling of shale and limestone payzones for extended-reach wells,and calculated the safe mud density window for the extended-reach wells.
在此基础上定量分析了该油田在超大位移井钻井过程中泥页岩地层和灰岩储层的井壁稳定性,并得出了地层破裂压力、坍塌压力随井斜角和方位角的风险分布规律以及安全钻井液密度窗口。
3) Safe weigh window of drilling fluids
钻井液安全密度窗口
4) drilling fluid density
钻井液密度
1.
Method of bottom hole pressure,temperature and drilling fluid density measurement while drilling;
随钻测量井底压力、温度和钻井液密度的方法探讨
2.
By combining with formatting density logging,we calculated parameters of rock elasticity and intensi- ty using multi-pole array acoustic logging,and performed for- rnation stress analysis to determine breakdown pressure and drilling fluid density.
利用处理后的多极子阵列声波测井资料提供的准确的纵横波时差,结合岩石密度测井资料计算了岩石弹性力学参数、岩石强度参数,在此基础上进行了地应力分析,确定了地层破裂压力、钻井液密度等参数,同时预测了压裂高度,为油田的生产改造提供了准确的参数。
3.
Then breakdown pressure,caving pressure and drilling fluid density can be obtained,which will act as references for drilling design to guide safe drilling.
文章利用声波、密度测井资料计算了岩石力学参数、岩石强度参数,在此基础上进行了地应力计算、进而确定了地层破裂压力和坍塌压力,预测了安全钻井液密度范围,为钻井设计提供参考,并可指导安全钻井。
5) Mud density
钻井液密度
1.
Well drilling in a salt formation is a problem in drilling,while accurately establishing the mud density and undersaturation is the key for solving the problem.
盐层钻井是钻井技术中的难题,准确确定钻井液密度及含盐欠饱和度是解决难题的关键。
2.
This principle is different from the traditional one described on most textbooks in China and abroad that the mud density is designed according to the highest pore pressure of a section to be drilled.
在钻井设计中 ,国内外多数教科书遵循的地层孔隙压力预测准则是依据某一裸眼段的最高孔隙压力设计该井段的钻井液密度。
3.
On the base of core experiment,the basic parameters that influence the collapse are calculated,and mud density for the stability of wellbore wall is determined.
在室内岩芯实验的基础上,确定了影响该区块坍塌压力计算的基础参数,从而确定出保持井壁稳定所需的钻井液密度,为该区今后的油气勘探开发提供了保证。
6) high-density drilling fluid
高密度钻井液
1.
Application and development of deep well high-density drilling fluids;
深井高密度钻井液的应用及发展趋势探讨
2.
On the basis of the existing solid control system,a process for recovering weighting materials out of the high-density drilling fluid is developed.
在现有固控系统的基础上,设计了一种高密度钻井液加重剂的回收工艺,采用双离心机分离回收系统。
补充资料：饱和盐水钻井液
分子式：
CAS号：
性质： 一种水基钻井液，氯化钠在其中的浓度达到了饱和程度，即一般情况下氯离子浓度约为189000mg/L。
CAS号：
性质： 一种水基钻井液，氯化钠在其中的浓度达到了饱和程度，即一般情况下氯离子浓度约为189000mg/L。
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