海上X油田调驱剂评价及调驱效果实验研究  

Evaluation of Profile Control and Flooding Agent and Experimental Research on Flooding Effect of X Offshore Oilfield

作　　者：别梦君 刘斌 张伟 瞿朝朝 杨志成 BIE Mengjun;LIU Bin;ZHANG Wei;QU Zhaozhao;YANG Zhicheng(Tianjin Branch of CNOOC(China)Co.Ltd.,Tianjin 300452,China)

机构地区：[1]中海石油(中国)有限公司天津分公司,天津300452

出　　处：《重庆科技学院学报（自然科学版）》2021年第2期45-49,共5页Journal of Chongqing University of Science and Technology：Natural Sciences Edition

基　　金：“十三五”国家科技重大专项“渤海油田加密调整及提高采收率油藏工程技术示范”(2016ZX05058001)。

摘　　要：海上X油田具有矿化度高和非均质性严重等特点,目前注入水突进严重,导致注入水无效循环而影响水驱开发效果。为此,针对X油田的地质特征、流体性质和开发现状,进行调驱剂性能评价和调驱效果室内实验研究。研究结果表明,在相同的聚合物浓度条件下,Cr^(3+)聚合物凝胶的增油效果优于单纯聚合物。另外,随着聚合物和交联剂浓度升高以及调驱剂段塞体积增大,采收率最终会逐渐提高,但其升幅呈下降趋势。根据实验结果,给出了X油田室内实验的最佳调驱参数。The X oilfield has the characteristics of high salinity and serious heterogeneity.At present,the injected water breaks through very quickly,causing invalid cycle of the injected water and low recovery of water flooding.Based on geological characteristics,fluid property and development situation of the oil field,the performance evaluation of profile control and displacement agent and the laboratory experimental study of profile control and displacement effect are carried out.The results show that,with the same polymer concentration,the oil increasing effect of Cr^(3+)polymer gel is better than pure polymer.In addition,with the increase of the concentration of polymer solution and the slug size of flooding agent,recovery is higher,but the growth rate declines.According to the experimental results,the best profile control and displacement parameters of X Oilfield are given.

关 键 词：X油田 调驱剂 Cr^(3+)聚合物凝胶 黏度 流动性能 增油效果 

分 类 号：TE357[石油与天然气工程—油气田开发工程]