聚铬交联加预交联颗粒组合调驱体系实验研究及现场应用  

Experimental study and field application of polychrome crosslinking and pre crosslinking particle profile control and flooding system

作　　者：李芳 华科良 李百莹 梅苑 张中尧 LI Fang;HUA Ke-liang;LI Bai-ying;MEI Yuan;ZHANG Zhong-yao(CNOOC Ener Tech-Drilling&Production Co.,Tianjin 300452,China)

机构地区：[1]中海油能源发展股份有限公司工程技术分公司,天津300452

出　　处：《精细与专用化学品》2023年第7期36-39,48,共5页Fine and Specialty Chemicals

基　　金：中海油能源发展科技项目(HFKJ-ZX-GJ-2023-02-02)。

摘　　要：针对部分海上高孔高渗油田注入水突进问题,提出采用聚铬交联体系封堵水流优势通道,同时加入预交联颗粒体系从而扩大波及体积的思路进行控水,并通过室内实验对体系进行了优选与评价。结果表明,聚铬交联加预交联颗粒组合调驱体系成胶强度可控,长期热稳定性好,可以有效封堵高渗层,耐冲刷性强。该体系在渤海Q油田C井组进行了现场应用,增油效果明显,为海上油田稳油控水提供了技术保障。In response to the problem of injection water breakthrough in some offshore high porosity and permeability oil fields, this article proposed the use of a polychrome cross-linked system to block the advantageous water flow channels, while adding a pre crosslinked particle system to expand the wave and volume for water control.The system was optimized and evaluated through laboratory experiments.The results indicated that the combination of polychrome cross-linking and pre cross-linked particles in the profile control and flooding system has controllable gel strength, good long-term thermal stability, effective sealing of high permeability layers, and strong erosion resistance.This system has been applied in the C well group of Bohai Q oilfield, with obvious oil increase effect, providing technical support for stabilizing oil and controlling water in offshore oilfields.

关 键 词：聚铬交联 预交联颗粒 调驱 室内实验 

分 类 号：TE357[石油与天然气工程—油气田开发工程]