Lost circulation problems of long interval isolation have been solved by using the cement slurry to 4 Anpeng alkali wells in 2000, and cementing qualification rate of upper section and cementing quality excellent rate of alkali lay all reached 100%.

• 现场应用表明,漂珠低密度水泥浆有效地解决了安棚碱井易漏地层长封固段固井难题,确保了安棚碱井的固井质量。 2000年固井4井次,上部漂珠段固井1次合格率为100%25,碱层段固井优质率达到100%25。