| 大位移井压裂地面施工压力预测模型研究 |
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| 引用本文： | 郭建春,邓燕,赵金洲. 大位移井压裂地面施工压力预测模型研究[J]. 钻采工艺, 2005, 28(1): 50-52 |
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| 作者姓名： | 郭建春 邓燕 赵金洲 |
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| 作者单位： | 1. "油气藏地质及开发工程"国家重点实验室·西南石油学院
2. 西南石油学院研究生部 |
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| 摘 要： | 大位移井压裂过程中的流体静压力、井筒摩阻等与井身轨迹、作业条件等因素密切相关。结合井身 轨迹、井斜方位、作业条件等因素,建立起比较精确的压裂液运动界面模型,实时跟踪每段压裂液,确定各段流体在 井筒中的界面位置随时间变化的关系及其对应的物性参数的变化,反演预测地面施工压力,为压裂设计和施工工 艺提供一个重要的参数。
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| 关 键 词： | 大位移井 施工压力 运动界面 摩阻压降 |
| 文章编号： | 1006-768X(2005)01-0050-03 |
| 修稿时间： | 2004-06-23 |
Calculation of the Surface Construction Pressure in Fracturing the Extended Reach Wells |
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| GUO Jianchun,DENG Yan and ZHAO Jingzhou. Calculation of the Surface Construction Pressure in Fracturing the Extended Reach Wells[J]. Drilling & Production Technology, 2005, 28(1): 50-52 |
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| Authors: | GUO Jianchun DENG Yan ZHAO Jingzhou |
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| Abstract: | Static pressure of fracturing fluid and wellbore frictional resistance in the procedure of fracturing the extended reach wells (ERW) is related to the wellbore trajectory, well deviation angle and operation condition etc. . In this paper, combination those factors, we set up the model of fracturing fluid movement interface. The model can decide interface position of fracturing fluid in the wellbore and its corresponding changes of rheological parameters, and can predict the surface construction pressure. It provide a crucial parameter for fracturing design and operating process. |
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| Keywords: | extended reach wells construction pressure interface position friction pressure drop |
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