SYT6573-2003最低混相压力细管实验测定法.pdf

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1、】〔575.020E12备案号:11629-2003中华人民共和国石油天然气行业标准SY/T6573-2003最低混相压力细管实验测定法Measurementmethodforminimummiscibilitypressurebyslimtubetest2003一03一18发布2003一08一01实施国家经济贸易委员会发布SYPP6573-2003目次前言································，·······，······················································，······，··⋯I1范围，

2、·，，··。‘·········，······················，·····，，·······，，·······，······················，，···········，··‘⋯12规范性引用文件············，··············································，········一‘·“.⋯⋯..................13术语和定义······，·····························，·····················，···············，···

3、·，，············⋯⋯14实验原理···················，···········，···········，···········，·····················，························⋯⋯25仪器仪表·································································，·································⋯⋯26实验准备····4····，······，，··。..................············

4、··，······.............I....·····，·‘··⋯37最低混相压力测定·········，··································，··································。·········.·⋯⋯48测定报告项目及要求·····，，·························································.............................69安全与环保注意事项···，························，······

5、·················，························。···········。⋯⋯6附录A(资料性附录)最低混相压力测定报告格式·····················································⋯⋯7SY/P6573-2003前言本标准的附录A为资料性附录。本标准由油气田开发专业标准化委员会提出并归口。本标准起草单位:中国石油勘探开发研究院石油采收率研究所。本标准主要起草人:刘宁、郑希谭、陈钢、李实、孙文悦。sy/'1'6573-2003最低混相压力细管实验测定法范围本标准规定了细管实验法测定地层原油与注

6、人气之间最低混相压力所用的实验原理、仪器仪表、实验程序、数据处理和评价指标。本标准适用于一般地层原油、易挥发原油及人工配制模拟油与注人气(如烃类气体和旗戈非烃类气体)之间最低混相压力的测定。最低混相组成的测定可比照执行。2规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，其随后所有的修改单(不包括勘误的内容)或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。SYNC0529油田气中C，一q2,N2,C02组分分析关联归一气相色谱法SY/1'512。

7、岩石氯仿抽提物及原油中饱和烃气相色谱分析法SYNC5336岩心常规分析方法SYNC5542地层原油物性分析方法SH/C0169矿物绝缘油平均分子量测定法冰点降低法SH/C0604原油和石油产品密度测定法U型振动管法3术语和定义下列术语和定义适用于本标准。3.1混相miscibility指两种流体在一定条件下可以完全均匀混合并以单相状态存在。3.2一次接触混相Cjrst-contactmiscibility指在一定温度和压力条件下，注人流体能按任何比例直接与地层原油相混合并保持单相的过程。3.3多次接触混