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style="text-indent:2em;">目前各a田在q方面的研究重点是选择驱a效果好,h低廉的表面活性剂Q或者在表面zL剂的复配上q行了一些研I工作。以降低三元复合׃pM的活性剂成本。大庆a田对于三元复合体pM色谱分离效应的研I已引v了重视,q在q方面开展了工作Q提Z减少色谱分离的有效方法。该研I可为大井距配方的选择提供依据? </p><p style="text-indent:2em;">Q?)微生物驱油试验研I?/p><p style="text-indent:2em;">我国主要油田都开展了微生物采油和微生物驱技术的室内研究工作Q主要研I内Ҏ:①采用以烃类为唯一x的选择性培d可在自然环境中筛选、培养采油微生物菌种;②在沏V水环境Qa藏温度下Q提供适当的培d来促使微生物生长J殖;③用微生物来q一步提高a藏采收率;④用微生物疏通a、水渗流通道Q降低a水井的注人压?⑤微生物驱a提高采收率的主要机理;⑥研I筛选^化原油,降低Ҏ界而魂为及厦a_度的菌U。目前大港a田、胜利a田、克拉玛依a田已开展了微生物驱先导试验工作?/p><p style="text-indent:2em;">Q?)<a href="http://www.juegosfrival.com/supply/49.html" target="_blank">凝胶体系</a>地层深部体转向技术研I?/p><p style="text-indent:2em;">凝胶体系地层深部体转向技术属于调节层间或层内矛盾Q增加L及系数的一U提高采收率的方法。大港、胜利及大庆油田都开展了该项研究Q特别是胜利油田已在孤东七区、三区、西四区{区块开展了交联聚合物驱油试验三元,三元复合体系驱a研究见到了明昄效果?/p><p style="text-indent:2em;"> <span style="color:#ff0000;">q篇文章您或许更喜欢Q?/span> </p><p style="text-indent:2em;">?998qvQ中原a田相l开展了二氧化碳吞吐、气驱、合成聚合物驱、交联聚合物驱、微生物采a{项现场试验Q均昄好的效果?/p><p style="text-indent:2em;">5.1 交联聚合物驱</p><p style="text-indent:2em;">?000q??0日开始,在胡19块进?井组交联聚合物驱现场试验Q配方体p适应油藏温度?0℃,矿化度≤25×104mg/LQ二价阳d?500mg/L的a藏条Ӟ成胶旉?20天,成胶强度?06000MPa·s的范围内可控。注入层位ؓS3?8S3?4合注Q注入方式ؓ二D塞Q一U段塞ؓ0.035PV2000ppmQ二U段塞ؓ0.115PV800ppmQ单井日注量?0?天,对应12口a井。注交联聚合?0天后Q注入压力从12MPa上升?0MPa?0天后Q含水从81%下降?0%Q原Ҏ产量由注聚前?3.4t/天上升到21.3t/天,截止?001q??5日,累计增a2300tQ试验取得了明显的经效益?/p><p style="text-indent:2em;">5.2 聚合物驱</p><p style="text-indent:2em;">?000q??0日开始,在卫18-14井组q行耐温耐盐聚合物驱现场试验Q试验用聚合物由AM、AMPS及第三单体和W四单体p合成Q适应油藏温度90eQ矿化度?6×104mg/LQ二价阳d3000mg/L的a藏条件。试验区为卫18北块Q试验注入井为卫18-4井,试验目的层ؓ沙一??两个层Q该井组?口水井和五口油井(?8-6、卫18-2、卫116、卫229 - 2、卫18 - 11?l成。设计注入量?.035PV2000mg/LQ注聚时间ؓ1q半Q有效期?q。在注聚合物后,含水?8%下降?4%Q原Ҏ产量由注聚前?0.1t/?上升?3.复合3交联聚合物驱t/天,截止?001q??5日,累计增a720tQ试验取得了明显的效果?/p><p style="text-indent:2em;">5.3 氮气?/p><p style="text-indent:2em;">2000q??日,我们在采油二厂成功地q行?2-14井组注气驱先导实验试注Q?000q??2日停注,已篏计注液863.7吨,E_注气压力56.5MPa。井l共?口a井,都不同程度见C注气效果Q篏计增?46t。注气܇压达56.5MPaQ最高日注气能力?1.8Ҏ氮,注气工艺具国内领先水q?/p><p style="text-indent:2em;">5.4 微生物采?/p><p style="text-indent:2em;">?000q?月开始,在胡五块陆箋q行?个井l的微生物井l驱油先D验,l合含水89%Q采出程?1.08%Q地面原油粘?5. 5 ~ 41. 8MPa·sQ地层水矿化度ؓ(20.425)×104mg/LQa藏温?0.3℃。截止到2000q?1月,新胡5-15、侧?-31井各注入4个段塞,?-70井注?个段塞,?-205井注?个段塞,共注入微生物原液28tQ共增a170t?/p>“三元复合体p驱油研I”所q的内容Q是我们的小~精心ؓ大家准备的,q记得上中说了什么吗Q这些或讔R有些不全面的地方Q我们会在以后的文章中ؓ大家一一说明 </p> </div> <div class="next"><div>上一?<a href="445.html">【文章】一ơ采?提高驱a效率</a></div> <div>下一?<a href="443.html">【盘炏V水处理剂技?水处理剂矿场</a></div> </div> <div class="clear"></div> <div class="info_key"><span>相关标签Q?a href='/key.aspx?k=20'>20</a>,<a href='/key.aspx?k=%e7%a0%94%e7%a9%b6'>研究</a>,<a href='/key.aspx?k=%e5%be%ae%e7%94%9f%e7%89%a9'>微生?/a>,<a href='/key.aspx?k=%e8%af%95%e9%aa%8c'>试验</a>,<a href='/key.aspx?k=%e6%b2%b9%e7%94%b0'>油田</a>,</span></div> <div class="clear"></div> <div class="n_info_con2"> <H4 class="t04">相关资讯</H4> <div class="info_b"> <ul class="p_list_ul"> <li><a href="/news/627.html" title="【推荐】水处理剂聚合物_水处理剂螺杆" rel="nofollow">【推荐】水处理剂聚合物_水处理剂螺杆</a></li> <li><a href="/news/626.html" 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