| 压降曲线三维分析方法及应用 |
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| 引用本文： | 张士诚 王鸿勋. 压降曲线三维分析方法及应用[J]. 石油学报, 1990, 11(3): 60-71. DOI: 10.7623/syxb199003008 |
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| 作者姓名： | 张士诚 王鸿勋 |
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| 作者单位： | 石油大学研究生部 |
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| 摘 要： | 本文建立了Palmer拟三维压降曲线分析模型;用应力强度因子准则研究了停泵后裂缝的延伸;讨论了拟合压力随时间变化的原因,提出对不同的地层条件应选择不同的压降曲线分析模型。文中提供的方法可确定地层滤失系数、裂缝几何参数、压裂层断裂韧性等。
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| 关 键 词： | 压降曲线 三维分析 压裂 |
| 收稿时间： | 1989-07-27 |
THE P-3D ANALYZING METHOD OF FRACTURING PRESSURE DECLINE CURVE AND ITS APPLICATION |
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| Zhang Shicheng,Wang Hongxun. THE P-3D ANALYZING METHOD OF FRACTURING PRESSURE DECLINE CURVE AND ITS APPLICATION[J]. Acta Petrolei Sinica, 1990, 11(3): 60-71. DOI: 10.7623/syxb199003008 |
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| Authors: | Zhang Shicheng Wang Hongxun |
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| Affiliation: | The Graduate School of Petroleum University of China |
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| Abstract: | Palmer's P-3D fracturing pressure decline curve analyzing model is established in this paper.The paper also takes the fracture propagation after shut-in according to the criterion of stress intensity factor into cons-ideration and the reason of change of matched pressure with time during shut-in is discussed.In addition,this paper points out that it is important to use corresponding pressure decline analyzing model for different formation conditions.Effective fluid-loss coefficient,fracture geometry parameters and toughness of rocks will be determined by using the met-hod suggested in this paper. |
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