复杂油气藏
複雜油氣藏
복잡유기장
COMPLEX HYDROCARBON RESERVOIRS
2014年
4期
65-68
,共4页
水平井%分段压裂%中江气田%优化设计%现场应用
水平井%分段壓裂%中江氣田%優化設計%現場應用
수평정%분단압렬%중강기전%우화설계%현장응용
horizontal well%staged fracturing%Zhongjiang Gasfield%optimization design%filed application
针对中江沙溪庙气藏储层地质特征和压裂改造难点,开展了水平井分段压裂工艺、参数优化、压裂液体系及配套措施研究。现场应用23井次,施工成功率100%,平均单井产量达到直井的8倍以上。现场应用结果表明:研究形成的系列水平井分段压裂技术可满足中江沙溪庙气藏改造的需要,为中江气田的高效开发提供了有效的技术手段。
針對中江沙溪廟氣藏儲層地質特徵和壓裂改造難點,開展瞭水平井分段壓裂工藝、參數優化、壓裂液體繫及配套措施研究。現場應用23井次,施工成功率100%,平均單井產量達到直井的8倍以上。現場應用結果錶明:研究形成的繫列水平井分段壓裂技術可滿足中江沙溪廟氣藏改造的需要,為中江氣田的高效開髮提供瞭有效的技術手段。
침대중강사계묘기장저층지질특정화압렬개조난점,개전료수평정분단압렬공예、삼수우화、압렬액체계급배투조시연구。현장응용23정차,시공성공솔100%,평균단정산량체도직정적8배이상。현장응용결과표명:연구형성적계렬수평정분단압렬기술가만족중강사계묘기장개조적수요,위중강기전적고효개발제공료유효적기술수단。
Aiming at the geological featrures and the fracturing difficulties of Shaximiao Formation of Zhongjiang Gas-field,a series of technical researches were carried out,which are consist of staged fracturing for horizontal well,parameter optimization,fracturing fluid system,and corresponding measures.The technology was applied in 23 wells with a construc-tion success rate of 100%and an average oil production rate more than 8 times of vertical wells.The application results showed that the series of staged fracturing technology for horizontal well can meet the demands of reconstruction of Shaximi-ao gas-reservoir,and provide an effective technical means for the high efficient development of Zhongjiang Gasfield.