A numerical model for calculating the formation temperature during acidizing the matrix of sandstone is derived and established in this paper.
本文推导建立了砂岩基质酸化时，地层温度的数值计算模型。
A mathematical model for calculating the additional load on casing because of temperature changing during testing and production operation in HPHT well is established.
建立了高温高压油气井测试、采油等作业中因井筒温度发生变化导致的套管附加载荷计算模型。
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