1、注水泥设计与计算机注水泥设计与计算机辅助应用辅助应用1234567891011121314-40-30-20-10010203040150020002500300035004000450050005500600065007000深度(m)计算和实测的温度误差()API方法0.7BHST0.8BHST0.9BHST151617泥浆排出泥浆排出泥浆进入T2表层套管钻杆地层Tij地层TijT1T2T3T3环空泥浆水泥T1=T218 mcmTjNTjNZjrDU TjNTjNmcmrDTjNTjNtQP11111211212111,(,),mcmTjNTjNZjrDU TjNTjNrBhfTjNTjN
2、mcmrBrDTjNTjNtQA21121211212213122212,(,)(,)(),11111211112111112111ZjTi jNTi jNZjTi jNTi jNZjriTijNTi jNriTi jNTijN,riririTijNTi jNfcfKfTi jNTi jNt1211111,1920203040506070809036324612900118814761764205223402628291632043492378040684356深度(米)温度()本模型Hansa模型Holmes模型212223240 050501001001501500 010001000 2
3、0002000 30003000 40004000 50005000 60006000深度(m)深度(m)温度(C)温度(C)实测地温剖面实测地温剖面回归曲线回归曲线循环温度剖面循环温度剖面T=-4.6+0.0236H252627282930313233343536373839404142间隙位置(毫米)水泥浆流态顶替效率(%)平均值返回速度(m/s)雷诺数Re宽(35.1)2.0-3.0一般350097.680.3中(20.5)0.3-0.6100Re80094.5窄(8.9).05-.105Re1050.5434445PpPa46PpPa47484950515253尾浆中间浆领浆冲洗液隔离液冲洗液钻井液545556计算环空总的液柱压力分析环空压力是否处于平衡（可通过井眼压力剖面图分析）平衡/不平衡调整先导水泥浆的密度调整先导水泥浆的返深调整尾浆密度（加重、减轻）完成57585960616263646566676869707172737475767778798081828384858687888990谢谢大家！91
