实时同位素录井技术简介教学PPT课件.pptVIP

NH3, CH3OH, C2H4 Removal – destruction Peltier effect (NH3, CH3OH) Condensation Filter (NH3, CH3OH) Removal due to polarity PRe (NH3, CH3OH, C2H4) Molecule destruction ……污染的处理 Degasser, GZG Ethene Sensor IsotopeAnalyzer FilterCartridge Remove contaminants, e.g. DBM or mud (NH3, alcohols) Remove DBM contaminants, esp. C2H4 and Remaining ammonia and alcohols Provide C1, C2 and C2H4 concentrations for d13C correction (C2/C1), calculated C2H4 concentration (C2s RSVL – C2 ES) Provide C1, d13C-CH4, NH3 1500 cc mud flow, 500 cc gas flow, no heating of mud GC, RSVL Spot-sample port PRE 42 sec cycle 设备组成（最佳组合）及工作流程 Calibration: start of each well section (with 3 standards) Daily injection checks Rig site procedures for high-quality acquisition Remote service delivery support for validation of each QC step and final validation of data delivered to the client with QC flags (depending on level of service) Non valid Valid Reduced Accuracy QAQC要求及操作程序 实时QAQC警报管理 Depth Ascii data ( d13C-C1 only, not filtered) Depth QC Composite log Includes automatic Qc column d13C-C1 values (non filtered) 资料提交—level1 [Field] Depth Ascii data (d13C-C1 only, not filtered) [Field] Depth QC Composite log [Domain] Depth ASCII data (d13C-C1, d13C-C1 ??QC filtered??, QC flag) 资料提交—level2 [Field] Depth Ascii data ( d13C-C1 only, not filtered) [Field] Depth QC Composite log [Domain] Depth ASCII data (d13C-C1, d13C-C1 ??QC filtered??, QC flag) [Domain] End of Section Report 资料提交—level3 Special studies (Well to well comparison, multi-segment studies…) 资料提交—level4 主要内容 一 同位素基础 二 实时同位素录井系统简介 三 实时同位素录井质量控制 四 资料应用 鉴别原油生成环境和油气母质类型研究； 判断生成天然气有机质成熟度； 对天然气进行成因分类和判识； 进行油气源对比研究； 油气运移方向研究； 研究油气的次生变化； 研究天然气的混合情况； 进行油气藏地球化学研究； 储层封闭及连通性研究。 资料解释及应用（I） 油气母质类型识别 自然界碳同位素分布 同位素在不同领域运用 碳同位素分馏作用 -80 -20 d13C-C1, ‰ %Ro -50 Gases generated Types Hydrocarbons Cracking of Kerogen to oil gas Cracking of wet gas Process Cracking of oil Increasing Thermal Maturity 利用δ13C-C1趋势解释 国内标准（据王国建等） 主要内容 一 同位素基