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1)  Geological risk probability
地质风险概率
2)  risk probability
风险概率
1.
Development of the software for the risk probability analysis of long-distance oil/gas pipeline;
长输油气管线风险概率分析软件研究
2.
A research on risk probability decision making on tramp ship voyage estimate;
不定期船航次估算的风险概率决策研究
3.
To assess the complex system's risk probability while the number of the simples was limited,the small probability assessment modeling method by small simples was put forward,and the mapped relationship between the cumulating probability and the extremum of the critical parameter was approached by nonlinear function.
建立了风险概率评估数学模型,通过非线性回归方法得到了风险概率评估基本模型。
3)  Probabilistic risk
概率风险
1.
In order to get the risk on the level of system and to obtain the quantitative decision reference of safety, this paper proposes an analytic method of system safety based on probabilistic risk.
为得到系统层次上的安全性概率风险,获得定量的安全性决策依据,设计了基于概率风险的系统安全性分析方法,该方法将系统按某种标准划分成相应子系统,统计得到各子系统所有的危险源,建立相应的因果链,通过一定法则得到基于系统层次的概率风险,同时还讨论了设计方法中概率风险计算的难点问题。
4)  geological risk
地质风险
1.
A portfolio optimization model for petroleum exploration projects with consideration of geological risk;
考虑地质风险的勘探项目投资组合优化模型
2.
In the models of geological risk for the lithological trap,the appraisal parameters are classified into three levels or aspects i.
依据对油气勘探理论和圈闭概念的理解和认识,认为在建立岩性圈闭地质模型时,对岩性圈闭的地质风险评价应分3个层次进行,即圈闭的成藏环境、圈闭自身的成藏条件和圈闭可靠性的评价,从而得到圈闭的含油气性系数或圈闭的地质风险系数。
3.
The basic principle and its relevant mathematics models of geological risk probability method, fuzzy set comprehensive assessment method and minimum economic reserves size are introduced systematically in this .
本文系统地介绍了地质风险概率法、模糊集合综合评判法和最小经济储量规模法的基本原理及相关数学模型 ,并结合实例分析 ,对油气资源的地质风险和经济风险进行研究 ,以优选勘探目标 ,提高勘探成功率。
5)  geologic risk
地质风险
1.
The reservoir characteristics and geologic risk evaluation of the Jiyang downwarp stratigraphic trap;
济阳坳陷地层圈闭成藏特征及地质风险评价
2.
They possess similar structural and sedimentary features and similar geologic features for lithologic reservoir,and this is the basic factor to establish common method and criteria of analyzing geologic risk for mithologic trap.
中国石化东部的济阳坳陷、东濮凹陷、南泌凹陷、苏北盆地、江汉盆地等,均为中新生界陆相断陷含油气盆地,具备相似的构造沉积特征和岩性油藏地质特征,具有建立统一的岩性圈闭地质风险评价方法和评价标准的地质基础。
3.
Considering geologic risk and fund efficiency,this model takes the expected.
该模型在综合考虑地质风险与资金效率的基础上,引入期望净现值和期望净现值比率作为圈闭优选指标,实现了单圈闭评价、无资金限制和资金限制条件下的圈闭优选。
6)  geology risk
地质风险
1.
Exploration geology risk evaluation in mature exploration area-taking Jiyang Depression as an example;
成熟探区勘探地质风险评价——以济阳坳陷为例
2.
Therefore,when the geology risk assessment is done,the geology risk index as effective thickness,porosity,permeability,abundance,exploration maturity,heterogeneity,exploration success ratio and gas combination are selected.
为此,在对地质风险评价时,选取了有效厚度、孔隙度、渗透率、丰度、勘探成熟度、非均值性、勘探成功率、含气组合等8个地质风险指标,以某油田某地区的7个井区为例,结合地质风险评价的特点,运用灰色聚类法对其进行地质风险综合评价研究,使以各个区块为单元的未动用储量的优劣得以量化表现。
3.
This method can not only evaluate the geology risk but also evaluate the economic risk.
介绍的风险评估方法以海上边际油田风险评价数学模型为基础,能够将地质风险评估和经济风险评估有机的结合起来。
补充资料:核设施概率风险评价
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性质:用一套概率统计的方法——主要是事件树和故障树的方法来评价各种可能的核事故的概率和大小,使核设施的安全分析定量化和系统化。包括:(1)研究可能的事故,确定释放的放射性的大小及概率;(2)计算这些放射性在大气中的扩散和分布及造成的后果;(3)计算核设施潜在事故总的风险。

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