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川孝１６９井是一口高压天然气井，本文在分析该井矿渣ＭＴＣ固井难点的基础上给出了相应的技术措施及ＭＴＣ浆液的配方。声幅测井结果表明，该井固井质量优良，这说明ＭＴＣ浆液具有很强的防气窜能力和层间封隔能力，能满足中深井长裸眼井段的固井要求。
Well Chuanxiao 169 is a high pressure natural gas well. Based on the analysis of difficulties in MTC cementing of the well, the corresponding technical measures and the formula of MTC slurry are given. Acoustic logging results show that the well cementing quality is good, which shows that MTC slurry has strong anti-gas channeling ability and interlayer sealing ability, which can meet the cementing requirements of the long and deep well in the middle and deep wells.