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“注入—压裂—返排”全过程的CO2相态特征——以鄂尔多斯盆地神木气田致密砂岩气藏SH52井为例
汤勇,胡世莱,汪勇,叶亮,丁勇,杨光宇,李荷香,苏印成
1. “油气藏地质及开发工程”国家重点实验室•西南石油大学 2. 中国石油长庆油田公司油气工艺研究院
3. 低渗透油气田勘探开发国家工程实验室 4. 中国石油华北油田公司第二采油厂
Phase behaviors of CO2 in the whole process of injection–fracturing–flowback: A case study of Well SH52 in a tight sandstone gas reservoir of the Shenmu Gas Field, Ordos Basin
Tang Yong, Hu Shilai, Wang Yong, Ye Liang, Ding Yong, Yang Guangyu, Li Hexiang & Su Yincheng
(1. State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation//Southwest Petroleum University, Chengdu, Sichuan 610500, China; 2. Oil and Gas Technology Institute, PetroChina Changqing Oilfield Company, Xi'an, Shaanxi 710018, China; 3. National Engineering Laboratory of Low-permeability Oil & Gas Exploration and Development, Xi'an, Shaanxi 710018, China; 4. No.2 Oil Production Plant, PetroChina Huabei Oilfield Company, Bazhou, Hebei 065709, China)