宝浪油田低孔低渗高含油凝析气藏开采工艺优化配套与应用  

OPTIMIZATION AND APPLICATION OF RECOVERY TECHNOLOGY FOR THE HIGH CONDENSATE GAS RESERVOIRS WITH EXTRA-LOW POROSITY AND LOW PERMEABILITY IN BAOLANG OILFIELD

作　　者：吴小平 李生莉 张雪莲 

机构地区：[1]中石化河南石油分公司石油工程技术研究院

出　　处：《钻采工艺》2010年第4期39-40,44,共3页Drilling & Production Technology

摘　　要：宝浪油田凝析油气藏属于低孔、低渗致密型凝析气藏,凝析油含量高,地露压差小。采用衰竭式开采时,地层压力下降快,地层出现严重反凝析现象,造成大量凝析油产不出。针对该凝析油气藏的特点,开展了与之相配套的采气工艺研究,并设计配套了包括完井工艺、封堵工艺、生产管柱优化、排液采气工艺、水合物预防以及气层保护等六项技术,为开发此类特低孔、特低渗、高含凝析油凝析气藏提供了技术保障。The condensate reservoirs in Baolang oilfield belong to the extra low porosity and extra low permeability condensate gas reservoirs with high content of condensate,the dew point pressure-differential is very low. In terms of these condensate gas features,the matching recovery technologies were studied,including mainly completion technology,plugging technology,production tubing strings optimization,drainage gas recovery,hydrate prevention,and formation damage prevention etc. The application of these matching recovery technologies met the requirements of the production test of the condensate gas reservoirs. And meanwhile,this paper introduced the design principles and application results of these technologies,and gave some suggestions for producing low porosity,low permeabil-ity and high content of condensate gas reservoirs.

关 键 词：凝析气藏 采气工艺 反凝析 油层保护 水合物 

分 类 号：TE349[石油与天然气工程—油气田开发工程]