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油田助剂
采油用稠油降粘剂井筒用高温稠油降黏剂
油田助剂
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<p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;line-height:150%;background:rgb(255,255,255)"><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">性能特点:</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;line-height:150%;background:rgb(255,255,255)"><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px"><span style="font-family:楷体">本公司</span><span style="font-family:楷体">GW系列水溶性稠油降粘剂</span></span><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px"><span style="font-family:楷体">由多种新型表面活性剂组成,具有高效乳化、分散稠油效果;表面张力低、渗透性好;耐高温、高盐性能优异。用于油田原油采输过程中的稠油降粘,使用本产品可使粘度大、凝固点高的原油形成低粘度的</span><span style="font-family:楷体">O/W型乳状液,对粘稠原油具有高分散性能,使稠油粘度迅速降低。适用于深井、高矿盐井的热采(蒸汽吞吐和蒸汽驱)非热采的井筒及管线降粘,井筒、地层降粘解堵作业中。</span></span></p><p style="margin-top: 0;margin-right: 0;margin-bottom: 0;padding: 0;line-height: 150%;background: rgb(255, 255, 255)"><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">指标:</span></p><table cellspacing="0" width="594" style="width: 358px;"><tbody><tr style="height:34px" class="firstRow"><td width="56" valign="top" style="padding: 0px 7px; border-width: 1px; border-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><strong><span style="font-family:楷体;line-height:150%;font-size:16px">序号</span></strong></p></td><td width="254" valign="top" colspan="4" style="padding: 0px 7px; border-width: 1px; border-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><strong><span style="font-family:楷体;line-height:150%;font-size:16px">检验项目</span></strong></p></td><td width="284" valign="top" style="padding: 0px 7px; border-width: 1px; border-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><strong><span style="font-family:楷体;line-height:150%;font-size:16px">技术指标</span></strong></p></td></tr><tr><td width="56" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">1</span></p></td><td width="254" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">外观</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px"><span style="font-family:楷体">均匀液体</span><span style="font-family:楷体">,无杂质</span></span></p></td></tr><tr><td width="56" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">2</span></p></td><td width="254" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">溶解性</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px"><span style="font-family:楷体">溶于水形成均匀液体,静置</span> <span style="font-family:楷体">2h 无分层</span></span></p></td></tr><tr><td width="56" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">3</span></p></td><td width="254" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">pH值</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">6</span><span style="font-family:楷体;line-height:150%;font-size:16px">.0~</span><span style="font-family:楷体;line-height:150%;font-size:16px">9</span><span style="font-family:楷体;line-height:150%;font-size:16px">.0</span></p></td></tr><tr><td width="56" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">4</span></p></td><td width="254" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px"><span style="font-family:楷体">凝点</span><span style="font-family:楷体">/℃</span></span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">≤</span><span style="font-family:楷体;line-height:150%;font-size:16px">-</span><span style="font-family:楷体;line-height:150%;font-size:16px">10</span></p></td></tr><tr style="height:42px"><td width="56" valign="center" rowspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">5</span></p></td><td width="27" valign="center" rowspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">降粘率</span></p></td><td width="83" valign="center" colspan="2" rowspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px"><span style="font-family:楷体">原油黏度</span><span style="font-family:楷体">/(mPa·s)</span></span></p></td><td width="144" valign="center" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">2000</span><span style="font-family:楷体;line-height:150%;font-size:16px">~</span><span style="font-family:楷体;line-height:150%;font-size:16px">5000</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">≥95.0%</span></p></td></tr><tr style="height:31px"><td width="144" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">5000</span><span style="font-family:楷体;line-height:150%;font-size:16px">~</span><span style="font-family:楷体;line-height:150%;font-size:16px">10000</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">≥98.0%</span></p></td></tr><tr style="height:38px"><td width="144" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">10000</span><span style="font-family:楷体;line-height:150%;font-size:16px">~</span><span style="font-family:楷体;line-height:150%;font-size:16px">50000</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">≥99.0%</span></p></td></tr><tr><td width="144" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">50000~100000</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">≥99.</span><span style="font-family:楷体;line-height:150%;font-size:16px">5</span><span style="font-family:楷体;line-height:150%;font-size:16px">%</span></p></td></tr><tr><td width="56" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">6</span></p></td><td width="254" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">乳液稳定性</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">油滴均匀分散在水中,未见透明水层</span></p></td></tr><tr><td width="56" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">7</span></p></td><td width="254" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">自然沉降脱水率</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">≥80%</span></p></td></tr><tr><td width="56" valign="center" rowspan="2" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">8</span></p></td><td width="47" valign="center" colspan="2" rowspan="2" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">耐温能力</span></p></td><td width="207" valign="center" colspan="2" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px"><span style="font-family:楷体">降粘率保持率</span><span style="font-family:楷体">/%</span></span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">≥</span><span style="font-family:楷体;line-height:150%;font-size:16px">95</span></p></td></tr><tr><td width="207" valign="center" colspan="2" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px"><span style="font-family:楷体">高温后沉降脱水率</span><span style="font-family:楷体">/%</span></span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext; background: rgb(207, 206, 206);"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">≥</span><span style="font-family:楷体;line-height:150%;font-size:16px">80</span></p></td></tr><tr><td width="56" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">9</span></p></td><td width="254" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">有机氯含量</span></p></td><td width="284" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p style="text-align:center;line-height:150%"><span style="font-family:楷体;line-height:150%;font-size:16px">0</span><span style="font-family:楷体;line-height:150%;font-size:16px">.0%</span></p></td></tr></tbody></table><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;line-height:150%;background:rgb(255,255,255)"><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">使用方法:</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;line-height:150%;background:rgb(255,255,255)"><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">用于热采和非热采的井筒和管线降粘。可根据试验确定的浓度和油水比,配成活性水溶液。若产业含水量大于</span><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">30%,直接加入产液量的0.5%本产品药剂,若产液量含水低于25%,则可将降粘剂配成实验浓度的活性水溶液注入。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0;padding:0 0 0 0 ;line-height:150%;background:rgb(255,255,255)"><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px"> <span style="font-family:楷体">井筒降粘解堵作业,配成</span><span style="font-family:楷体">1%-3%的活性热水溶液,加大排量从环空挤入,保持高于原油凝固点10-15℃注入。</span></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;line-height:150%;background:rgb(255,255,255)"><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">包装运输:</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:32px;padding:0 0 0 0 ;line-height:150%;background:rgb(255,255,255)"><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">本产品采用</span><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">200Kg塑桶包装</span><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">,也可根据客户需求定制包装</span><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">。本产品无毒,不易燃,按一般化学品贮存和运输。贮存于干燥通风处。</span><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">运输时轻装轻卸,防雨、防暴晒。储存于阴凉、通风处,保质期</span><span style="font-family: 楷体;letter-spacing: 0;font-size: 16px">2年。</span></p><p style="line-height:150%"><span style="font-family: 楷体;line-height: 150%;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:楷体"></span></span><span style="font-family: 楷体;line-height: 150%;letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"> </span><span style="font-family: 楷体;line-height: 150%;font-size: 16px">预防措施</span><span style="font-family: 楷体;line-height: 150%;font-size: 16px">:</span></p><p style="text-indent: 32px;line-height: 150%"><span style="font-family: 楷体;line-height: 150%;font-size: 16px"><span style="font-family:楷体">远离热源</span><span style="font-family:楷体">/火花/明火/热表面。工作场所禁止吸烟。保持容器密闭。容器和接收设备接地/连接。避免吸入。避免接触眼睛皮肤,操作后彻底清洗。戴防护手套/穿防护服/戴防护眼镜/防护面罩。</span></span></p><p style="text-indent: 32px;line-height: 150%"><span style="font-family: 楷体;line-height: 150%;font-size: 16px">事故响应</span><span style="font-family: 楷体;line-height: 150%;font-size: 16px">:</span></p><p style="text-indent: 32px;line-height: 150%"><span style="font-family: 楷体;line-height: 150%;font-size: 16px"><span style="font-family:楷体">如皮肤(或头发)接触:立即脱掉所有被污染的衣服。用水冲洗皮肤</span><span style="font-family:楷体">/淋浴。污染的衣服须洗净后方可重新使用。食入:漱口。不要催吐。立即呼叫中毒控制中心或就医。眼睛接触:用水细心地冲洗数分钟。如带隐形眼镜并可方便地取出,则取出隐形眼镜。继续冲洗。</span></span></p><p style="line-height: 150%"><span style="font-family: 楷体;line-height: 150%;font-size: 16px"> </span></p><p><br/></p>
聚丙烯酰胺用作驱油剂
油田助剂
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杀菌剂
油田助剂
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0.00
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0.00
<p><span style="color: rgb(51, 51, 51); text-transform: none; text-indent: 28px; letter-spacing: normal; font-family: arial, 宋体, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;">在油田二次采油中,需要大量回注水,由于回注水中一般都含有硫酸盐还原菌(SRB)、腐生菌(TGB)和铁细菌等易引起金属腐蚀、地层堵塞、化学剂变质等一系列不利于注水采油的细菌微生物。同时回注水含有较高的钙镁离子,易产生注水管线和地层严重结垢,从而引起注水管线和地层堵塞。这些都给油田生产运行造成巨大的经济损失。因此,一般都需要在污水回注前投加杀菌剂和缓蚀阻垢剂进行预处理。</span></p>
油井降滤失剂
油田助剂
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<span style="color: rgb(51, 51, 51); text-transform: none; text-indent: 28px; letter-spacing: normal; font-family: arial, 宋体, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;">钻井液降滤失剂Filtrate reducer for drilling fluid; fluidloss reducers又称降失水剂,是川来减少钻井液的液相滤失量或液相向地层渗漏的损失量的外加剂。按化学成分分类,降滤失剂可分为矿物类(般__卜等),天然有机物及其改性物类(如褐煤碱液、预胶化或改性淀粉)、合成有机物类(如竣甲基纤维素及聚丙烯酸盐类)等</span>
油田调剖堵水剂
油田助剂
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<p> 在油田生产过程中,由于地层的非均质性,常产生水浸问题,需要进行堵水.其实质是改变水在地层中的渗透状态,以达到减少油田产水,保持地层能量,提高最终采收率的目的.</p><p> 聚合物作为堵水剂对油和水的渗透能力的作用具有选择性,对油的渗透性降低少,对水的渗透性降低多.使用时可不交联使用,也可与铝盐,铬盐,锆盐等交联生成凝胶使用,还可增加某些树脂以形成互穿聚合物网络(IPN)使之具有更高耐温性.</p><p> 如采用 W/O型PAM胶乳和改性氨基树脂经过化学交联可以形成互穿聚合物网络堵水剂,已在油田堵水中应用,并取得了明显的效果.</p><p> 采用 PAM还可调整地层内吸水剖面及封堵大孔道,实践中已见到良好效果.</p>
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