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间歇试采井资料解释方法 总被引:3,自引:3,他引:0
试采是获得区块地质参数的重要手段,是勘探与开发相衔接的重要环节。大部分的试采井都是以间抽方式进行生产。这种生产方式下油井的井底压力变化复杂,无法采用以往评价油井产能的方法对其产量变化进行预测。采用连续抽油生产情况使用的试井理论处理资料,又不能保证解释结果的准确性。针对间歇试采井的产能预测及资料解释方法,根据间歇试采井生产特点,对间歇试采井井底压力变化规律进行深入研究,从计算间采过程各阶段的地层压力分布入手,推导出间采不同时期的计算方程,应用差分方法求解,并编制出相应软件,解决了以往间歇试采井定产困难、资料解释缺少理论依据的问题。现场应用情况证明这种处理间歇试采井资料的方法是准确实用的。 相似文献
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针对大庆外围油田,特别是海拉尔勘探区块试采井具有试采层位深、地层能量低、渗透性差等特点,研制应用了抽油机减载器.通过分析抽油机减载器的结构及工作原理,推导了减载力的计算公式,对抽油机减载器在试采井的应用效果进行了分析,结果表明,该技术降低了抽油机悬点载荷,增加了泵挂深度,降低了能耗,提高了抽油井系统生产效率,满足了海拉尔油井试采资料录取需要. 相似文献
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以间歇试采井为研究对象,对以往试采井资料进行整理,利用间歇生产过程中录取到的原始生产资料,对自然产能和压裂改造的生产井在试油、间歇试采两阶段得到的地层参数进行对比和分析,研究出间歇方式的采油井、试采井的产能预测方法。该方法可为评价试采井区产能、探明试采区块储量、进行油藏精细评价和编制开发产能方案提供准确依据。 相似文献
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利用测井资料预测油层自然产能的评价方法 总被引:17,自引:4,他引:13
对油层的产能进行定性或定量评价是油气勘探与开发领域的一项基本任务,而实现对储层产能进行定量,产定量的预测评价则仍处在探索阶段,目前,油层产能评价只能通过试油,试采数据或油藏数值模拟等手段进行预测,还没有一套能够利用常规测井资料预测油层产能的成熟方法,因此,以影响储层产能的关键因素(有效孔隙度,渗透率,含油饱和度及有效厚度)为主要评价参数,对海拉尔盆地苏仁诺尔地区油层的自然产能进行了预测评价,给出了利用测井资料预测储层自然产能的定性,定量评价方法,该方法简便适用,既可以检验油气勘探成果,又能为油田开发提供技术依据,实现了通过测井手段预测试油产量,进而达到优选试油层位、指导油田勘探开发的目的。 相似文献
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采油过程中,酸化是油气井增产、注水井增注的主要措施。砂岩基质酸化和碳酸岩基质酸化都是在低于储层破裂压力的条件下向地层中注入酸液,溶解地层中的可溶物质,清除孔隙或裂缝中的堵塞物质,从而使油气井增产或注水井增注的一种工艺措施。本文着重讨论了砂岩酸化的设计计算方法,并由此建立一套基质酸化设计方法。 相似文献
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《Oil and Energy Trends》2008,33(5):6-7
This section summarizes downstream developments of the previous month. Exploration & Production are covered in 'Upstream Review'.
An upsurge of violence in Iraq threatened a recovery in output that began earlier this year. Production in the northern fields hit a post-invasion high of 620,000 bpd in March, rising by 180,000 bpd in one month. Fighting in the south, however, cut production there by more than 100,000 bpd as government troops tried to subdue Shi'ite militias in and around Basrah. Oil installations damaged in the south included a pipeline and a pumping station. The Iraqi government nevertheless announced that oil production would reach 2.9 mn bpd by the year's end, requiring an increase of nearly 500,000 bpd over April 2008 levels. Foreign help is to be sought via a series of technical service agreements and - later this year - an upstream licensing round. Japan's Ministry of Economy, Trade and Industry says it wants a bigger role for Japanese oil companies in both the upstream and downstream sectors in Iraq. Kurdistan says it is negotiating with Baghdad to export oil produced from new oil fields there. The central government does not recognize production agreements drawn up by the Kurdistan Regional Government. The EU - desperate for gas to fill its Nabucco pipeline - has approached Iraq for up to 1 bn cfd. 相似文献
An upsurge of violence in Iraq threatened a recovery in output that began earlier this year. Production in the northern fields hit a post-invasion high of 620,000 bpd in March, rising by 180,000 bpd in one month. Fighting in the south, however, cut production there by more than 100,000 bpd as government troops tried to subdue Shi'ite militias in and around Basrah. Oil installations damaged in the south included a pipeline and a pumping station. The Iraqi government nevertheless announced that oil production would reach 2.9 mn bpd by the year's end, requiring an increase of nearly 500,000 bpd over April 2008 levels. Foreign help is to be sought via a series of technical service agreements and - later this year - an upstream licensing round. Japan's Ministry of Economy, Trade and Industry says it wants a bigger role for Japanese oil companies in both the upstream and downstream sectors in Iraq. Kurdistan says it is negotiating with Baghdad to export oil produced from new oil fields there. The central government does not recognize production agreements drawn up by the Kurdistan Regional Government. The EU - desperate for gas to fill its Nabucco pipeline - has approached Iraq for up to 1 bn cfd. 相似文献
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