失剂+3~5%SMP-2+3~5%褐煤树脂+0.03~0.05%缓蚀剂+10-15%原油+0.5%乳化剂饱和盐水Cl-浓度大于20万ppm其它处理添加剂:烧碱、降粘剂、润滑剂、加重剂等依需而定。钻井液性能分段钻井液性能见下表:地层分层ρg/cm3FVsAPIFLmlKmmG10s/10minPa/PapHCs%固相含量%KfHTHPYPPaPVmPa.sYP/PV分层深度mFLmlKmm4001.05~1.1060~8011001.05~1.1030~3513401.08~1.1230~4020001.12~1.1540~50<5<0.52~3/3~58~9<0.55~812~20.36~.521001.15~1.2040~50<5<0.52~3/3~58~9<0.55~812~20.36~.523001.15~1.2045~50<5<0.52~4/4~88~9<0.35~812~20.36~.526001.15~1.2045~50<5<0.52~4/4~88~9<0.35~812~20.36~.530001.20~1.2550~60<5<0.54~6/8~109~10<0.3<0.16~1015~25.36~.532001.25~1.3550~60<4<0.54~8/5~89~10<0.3<0.1<12<1.010~1530~40.3~.434001.35~1.4050~60<4<0.54~8/5~89~10<0.3<0.05<12<1.010~1540~60.2~.337001.40~1.7060~70<4<0.54~8/5~89~10<0.3<0.05<12<1.010~1540~60.2~.3盐层段42501.70~1.9060~70<4<0.54~8/5~89~10<0.3<0.05<12<1.010~1540~60.2~.3注:钻井液性能应根据实际情况及时调整。
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