Squeeze-injection test in 2 wells and plugging test in 8 wells show that this technology is an effective means to solve the problem of interlayer crossflow and poor cementing quality.

• 2口井的挤注试验和8井次封堵试验表明，水平井挤注、封堵管柱工艺是解决层间窜通、固井质量不好等问题行之有效的手段。