低渗透砂岩油藏油水两相最小启动压力梯度实验研究——以史南油田史深100区块为例  被引量：15

experimental study on minimal starting pressure gradi-ent of oil and water two phases in low permeability sandstone reservoir-taking block Shishen 100 in Shinan oilfield as an example.</em> <p class='article-op'> <span id="bdshare" class="bdshare_t bds_tools get-codes-bdshare baidufx"><span><span class="bds_more" style="display: block; width: 62px; height: 29px; background: url(/images/share.gif) no-repeat!important; padding: 0;"></span></span></span> </p> <p class="article-source"> <a href ='/article/read.aspx?id=10708557' class='btnTitle btnIsView' target='_blank'><img alt='在线阅读' src='/images/btn-read.png'/></a><a class='btnTitle btnIsView' href="javascript:showdown('p7M55KnmxNtWkXm+db+LvYxyDjD69D719T87C3/L+ec=')"><img alt="下载全文" src="/images/btn-down.png" /></a> <input id="hiddowninfo" type="hidden" value="p7M55KnmxNtWkXm+db+LvYxyDjD69D719T87C3/L+ec="/> </p> <div class="collect" style="display: none"> <h5>我的收藏</h5> <div class="cnt"> <p> 名 称：<input type="text" name="collTitle" id="collSumTitle" /> </p> <p> 注 释：<input type="text" name="collRemark" id="collSumRemark" /> </p> <p style="text-align: center;"> <a href="javascript:void(0)" onclick="g_collectSumOk();"> <img width="65" height="17" src="/images_new/collect_ok.png" alt="完成" /></a> <a href="javascript:void(0)" onclick="g_collectSumCancel();"> <img width="65" height="17" src="/images_new/collect_no.png" alt="取消" /></a> </p> </div> </div> </div> <form name="wxTransfer" method="post"> <input type="hidden" name="lid" value="" /> <input type="hidden" name="sip" value="" /> <input type="hidden" name="date" value="" /> <input type="hidden" name="co" value="" /> <input type="hidden" name="Title_C" value="" /> <input type="hidden" name="Writers" value="" /> <input type="hidden" name="Name_C" value="" /> <input type="hidden" name="Num" value="" /> <input type="hidden" name="Years" value="" /> <input type="hidden" name="Volumn" value="" /> <input type="hidden" name="GCH" value="" /> <input type="hidden" name="Vol" value="" /> <input type="hidden" name="BookID" value="" /> <input type="hidden" name="SubjectNum" value="" /> <input type="hidden" name="SpecialNum" value="" /> <input type="hidden" name="mirrorName" value="" /> <input type="hidden" name="UserID" value="" /> <input type="hidden" name="UserName" value="" /> <input type="hidden" name="sourceID" value="" /> </form> <script type="text/javascript" src="/scripts/transfer.min.js"></script> <div class="article-detail"> <p class='author'><strong>作　　者：</strong><a href='/writer/article.aspx?id=100000003303127' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e8%8b%8f%e6%b3%95%e5%8d%bf%5d' title='苏法卿[1]'>苏法卿[1]</a> <a href='/writer/article.aspx?id=100000012688498' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e5%ad%99%e5%bf%97%e5%88%9a%5d' title='孙志刚[1]'>孙志刚[1]</a> <a href='/writer/article.aspx?id=100000007165660' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e4%bb%bb%e5%bf%a0%e6%96%8c%5d' title='任忠斌[2]'>任忠斌[2]</a> <em> </em></p><p class='organ'><strong>机构地区：</strong><a href='/organ/article.aspx?id=3210&subid=&showname=&searchtype=' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=S%3d%e8%83%9c%e5%88%a9%e6%b2%b9%e7%94%b0%e6%9c%89%e9%99%90%e5%85%ac%e5%8f%b8%e5%9c%b0%e8%b4%a8%e7%a7%91%e5%ad%a6%e7%a0%94%e7%a9%b6%e9%99%a2' title='[1]胜利油田有限公司地质科学研究院'>[1]胜利油田有限公司地质科学研究院</a> <a href='/organ/article.aspx?id=3210&subid=&showname=&searchtype=' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=S%3d%e8%83%9c%e5%88%a9%e6%b2%b9%e7%94%b0%e6%9c%89%e9%99%90%e5%85%ac%e5%8f%b8%e8%83%9c%e5%88%a9%e9%87%87%e6%b2%b9%e5%8e%82' title='[2]胜利油田有限公司胜利采油厂'>[2]胜利油田有限公司胜利采油厂</a> <em> </em></p><p class='from'><strong>出　　处：</strong><a href='/journal/summary.aspx?gch=90849A' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=J%3d%5b%e6%b2%b9%e6%b0%94%e5%9c%b0%e8%b4%a8%e4%b8%8e%e9%87%87%e6%94%b6%e7%8e%87%5d' title='油气地质与采收率'>《油气地质与采收率》</a>2004年第4期44-45,48,共3页<em>Petroleum Geology and Recovery Efficiency</em></p><p class='abstrack'><strong>摘　　要：</strong>应用两台高精度微量泵和高精度压差传感器,通过实验测定了胜利油区史南油田史深100区块三个不同渗透率级别的低渗透砂岩样品在不同含水饱和度下的油水两相最小启动压力梯度。研究结果表明,低渗透砂岩油水两相最小启动压力梯度与空气渗透率呈幂函数关系;油水两相最小启动压力梯度比单相启动压力梯度高5-10倍。针对储层渗透率、流体粘度、驱替压力梯度、油水界面张力等影响启动压力梯度的因素,提出了改善低渗透油藏开发效果的措施。<em><abstract>w permeability core samples at three different permeability levels were taken from block Shishen 100 in Shinan oilfield of Shengli petroliferous province. Minimal starting pressure gradients of oil and water two phases of these samples at different water saturation were measured by two mini -pump and pressure difference sensor with high precision. Research results show that the minimal starting pressure gradient of oil and water two phases for low permeability sandstone is a power function of air permeability and is 5 ~ 10 times higher than the starting pressure gradient of single phase. Measures of improving the developmental effectiveness of the low permeability sandstone reservoir are offered according to such influencing factors as reservoir permeability, fluid viscosity, displacement pressure gradient and oil-water interfacial tension .</em></p><p class='subject'><strong>关 键 词：</strong><a href='/zk/search.aspx?key=K%3d%5b%e5%90%af%e5%8a%a8%e5%8e%8b%e5%8a%9b%e6%a2%af%e5%ba%a6%5d' title='启动压力梯度'>启动压力梯度</a> <a href='/subject/article.aspx?id=161030' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e4%bd%8e%e6%b8%97%e9%80%8f%e7%a0%82%e5%b2%a9%5d' title='低渗透砂岩'>低渗透砂岩</a> <a href='/subject/article.aspx?id=1135282' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e6%b2%b9%e7%94%b0%5d' title='油田'>油田</a> <a href='/subject/article.aspx?id=3179590' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e5%8c%ba%e5%9d%97%5d' title='区块'>区块</a> <a href='/subject/article.aspx?id=161095' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e4%bd%8e%e6%b8%97%e9%80%8f%e6%b2%b9%e8%97%8f%e5%bc%80%e5%8f%91%5d' title='低渗透油藏开发'>低渗透油藏开发</a> <a href='/zk/search.aspx?key=K%3d%5b%e5%82%a8%e5%b1%82%e6%b8%97%e9%80%8f%e7%8e%87%5d' title='储层渗透率'>储层渗透率</a> <a href='/zk/search.aspx?key=K%3d%5b%e9%a9%b1%e6%9b%bf%e5%8e%8b%e5%8a%9b%e6%a2%af%e5%ba%a6%5d' title='驱替压力梯度'>驱替压力梯度</a> <a href='/zk/search.aspx?key=K%3d%5b%e5%90%ab%e6%b0%b4%e9%a5%b1%e5%92%8c%e5%ba%a6%5d' title='含水饱和度'>含水饱和度</a> <a href='/zk/search.aspx?key=K%3d%5b%e5%b2%a9%e6%a0%b7%5d' title='岩样'>岩样</a> <a href='/zk/search.aspx?key=K%3d%5b%e6%b2%b9%e6%b0%b4%e7%95%8c%e9%9d%a2%5d' title='油水界面'>油水界面</a> </p><p class='class'><strong>分 类 号：</strong><a href='/zk/search.aspx?key=C%3dTE357' title='TE357'>TE357</a>[<a href = '/domain/article.aspx?id=139' >石油与天然气工程—油气田开发工程</a>] <a href='/zk/search.aspx?key=C%3dTE348' title='TE348'>TE348</a></p> </div> <div 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