高温高压油井套管下放波动压力研究  

Research on Surge Pressure of Casing Running in High-Temperature High-Pressure Oil Well

作　　者：陶谦[1] 夏宏南[1] 彭美强 李滨[3] 

机构地区：[1]长江大学钻井研究所,湖北荆州434023 [2]中海油田服务有限公司油田生产服务事业部,天津300452 [3]中原油田分公司油气技术管理部,河南濮阳457001

出　　处：《断块油气田》2006年第4期58-60,共3页Fault-Block Oil & Gas Field

摘　　要：波动压力是破坏井眼压力平衡系统导致井喷、井漏、井塌及其他复杂情况的重要原因,其预测及应用在钻井工程中占有重要地位。在固井作业下套管过程中,主要表现为激动压力,通过控制套管下放速度来控制激动压力,从而实现全过程平衡压力固井,不压漏低压层和保护薄弱地层。波动压力预测作为非常规套管柱设计的主要因素,在海洋高温高压钻井中显得尤为突出。尽管动态计算方法能较准确地计算井底波动压力,但是从安全角度来考虑,稳态法更适合实际工程计算。Fluctuation pressure is the main cause that destroys the balance of well pressure and that results in well blowout,leakage,collapse and other complex accidents.The prediction and application of fluctuation pressure play a very important role in drilling engineer.During running casing,it behaves as exciting pressure.The used method about controlling the fluctuation pressure is the control of the well running casing speed,which accomplishes the full-term balance pressure cement.It protects the leakage formation and the week formation.Although the dynamic computational method can accurately calculate the surge pressure of bottom hole,the stable-state method is much more suited for actual engineering calculation in view of security.

关 键 词：波动压力 平衡压力固井 稳态波动压力计算 流变学计算 

分 类 号：TE243[石油与天然气工程—油气井工程] TE931.2