| 砂岩储层流固耦合下复压井围岩应力场研究 |
| |
| 引用本文： | 周宝.砂岩储层流固耦合下复压井围岩应力场研究[J].佳木斯工学院学报,2008(4):458-460. |
| |
| 作者姓名： | 周宝 |
| |
| 作者单位： | [1]南京大学地球科学系,江苏南京210093; [2]大油田有限责任公司第五采油厂,黑龙江大庆163514 |
| |
| 摘 要： | 根据势的叠加原则,确定了重复压裂井周围注/采孔隙压力分布,建立垂直裂缝井孔隙压力变化的耦合数学模型;引入初次人工裂缝内流体压缩系数,建立了初次人工裂缝诱导应力场模型;根据线性叠加原理,计算了重复压裂前总的应力场,为重复压裂应力场重定向提供理论依据.
|
| 关 键 词： | 重复压裂 注/采关系 诱导应力场 势 |
The Study of Stress under Refracture under Liquid- solid Coupling of Sandstone Reservoir |
| |
| Affiliation: | Zhou - Bao (1.Department of the Geosciences Nanjing University ,Nanjing 210093,China; 2. The Fifth Factory of Daqing Oilfield .Lid, Daqing 163514, China ) |
| |
| Abstract: | The stress induced by pore pressure was obtained based on superimpose of the potential. The model of liquid - solid coupling during injecting and producing was referred around vertical fracturing well. The affecting factor on fluid compressibility in the maiden artificial fracture was introduced. And the stress model of the maiden artificial fracture was built based on the theory the linear superimpose of the potential the total stress was calculated of before refracturing. The theory foundation was supported for rcorientation stress under refracturing. |
| |
| Keywords: | refracturing injection/preduction relation induced stress the potential |
| 本文献已被 维普 等数据库收录！ |
