首页> 外文会议>International Conference on Greenhouse Gas Control Technologies >STRONTIUM ISOTOPE (~(87)SR/~(86)SR) CHEMISTRY IN PRODUCED OILFIELD WATERS: THE IEA WEYBURN CO_2 MONITORING AND STORAGE PROJECT
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STRONTIUM ISOTOPE (~(87)SR/~(86)SR) CHEMISTRY IN PRODUCED OILFIELD WATERS: THE IEA WEYBURN CO_2 MONITORING AND STORAGE PROJECT

机译:锶同位素(〜(87)SR /〜(86)SR)生产油田水域中的化学:IEA Weyburn Co_2监测和存储项目

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Starting from March 2001, INGV conducted geochemical monitoring of the Weyburn field oil waters in conjunction with the Canadian partners (University of Calgary and ARC), which started this IEA project work package also during the pre-injection "baseline" phase (August 2000, Emberley et al., 2003). The common geochemical monitoring lasted from Monitoring trip 1 in March 2001 through Monitor trip 10 in March 2004. Apart from the main chemistry and gas chemistry, discussed in other papers, selected isotopic ratios were analysed too, with the main objective to deepen the knowledge about the CO2 storage potential and WRI processes as a whole (Riding et al., 2003). The purpose of produced fluid and gas isotope monitoring is to identify and ultimately to quantify water-gas-rock reactions in the reservoir and to better predict the long-term storage of CO_2 in the subsurface. Sr isotopic ratios (~(87)Sr/~(86)Sr) sampling and analyses were conducted by a INGV-IGAG-CNR task force about yearly, to joint the bulk geochemical monitoring performed by Canadian partners thrice yearly. Approximately 25 samples were collected for ~(87)Sr/~(86)Sr analyses in oil-water matrix during the M 1 (March 2001), M 5 (June 2002), M 7 (April 2003), and M 9 (September 2003) surveys. The M 10 (March 2004) surveys samples isotopic analyses are still ongoing. At Weyburn, a water-alternating-gas (WAG) EOR technique is used (Gunter et al., 1997; 2000) to inject water and CO_2 into the Midale beds. Strontium isotopic compositions of the produced water prior to water flooding (i.e., prior to 1959) are not available.
机译:从2001年3月开始,INGV与加拿大合作伙伴(卡尔加里大学和Arc)一起进行地球化学监测,该伴侣在预先注入“基线”阶段(2000年8月, Emberley等人。,2003)。持续到2001年3月的监测旅行中持续的地球化学监测通过监控旅行10 2004年3月10日。除了在其他论文中讨论的主要化学和天然气化学外,也分析了选定的同位素比率,主要目的是深化知识CO2存储潜力和整体WRI过程(riding等,2003)。产生的流体和气体同位素监测的目的是识别并最终识别水库中的水气岩反应,并更好地预测地下中CO_2的长期储存。 SR同位素比率(〜(87)SR /〜(86)SR)采样和分析由INGV-IGAG-CNR任务队伍进行大约一年,以联合加拿大合作伙伴每年通过加拿大伙伴进行的批量地球化学监测。在M 1(2001年3月),M 5(2002年6月),M 7(2003年4月)和M 9(2003年4月)和M 9(2003年4月)和M 9(2003年4月)和M 9(2003年4月)和M 9期间收集约25个样品(87)SR /〜(86)SR分析。 2003年9月)调查。 M 10(2004年3月)调查样品同位素分析仍在进行。在Weyburn,使用了一种水交替 - 气体(WAG)EOR技术(Gunter等,1997; 2000)将水和CO_2注入中型床。水淹水前产水的锶同位素组合物(即,1959年之前)不可用。

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