發(fā)布時(shí)間：2018-05-01 09:02

  本文選題：微生物多糖 + 稠化劑�。� 參考：《鉆采工藝》2017年01期

【摘要】：以微生物多糖威蘭膠為稠化劑,制備了一種水基威蘭膠壓裂液WLJ體系并對(duì)壓裂液性能進(jìn)行評(píng)價(jià)。結(jié)果表明,0.3%稠化劑制備的壓裂液可滿足70℃儲(chǔ)層壓裂需要,該壓裂液的基液黏度為26.6 mPa·s,采用自制液體硼砂做交聯(lián)劑,交聯(lián)后的壓裂液在170 s~(-1)剪切60 min后黏度大于50 mPa·s。該壓裂液在低溫下能快速破膠,殘?jiān)?04 mg/L、中值粒徑59.02μm,低于行業(yè)標(biāo)準(zhǔn)要求(500 mg/L),與常規(guī)壓裂液相比,該壓裂液具有較低的稠化劑使用濃度、高彈性、高砂比和低殘?jiān)匦?為低滲特低滲透油藏開(kāi)發(fā)提供了一種優(yōu)良的壓裂液體系。
[Abstract]:A water based Wieland gel WLJ system was prepared and its performance was evaluated by using microbial polysaccharide Wieland gum as thickener. The results show that the fracturing fluid prepared with 0.3% thickener can meet the requirements of reservoir fracturing at 70 鈩，

本文編號(hào)：1828636