精品文档---下载后可任意编辑石油与天然气工程 2024 级 程金金 摘要:蒸汽辅助重力泄油(SAGD)技术以蒸汽作为热源,依靠凝析液的重力作用开采稠油,采收率可达 60-80%,在国外特别是在加拿大已获得了商业化应用
辽河油田曙一区超稠油资源丰富,地层条件下原油粘度超过10×104mpa
s,基本没有流动能力,开采难度大
上世纪九十年代末,辽河油田曙一区超稠油蒸汽吞吐开采技术获得成功并进行了规模化开采,但蒸汽吞吐开采后期如何进一步提高采收率是一项重要的讨论课题
关键词:超稠油 蒸汽辅助重力泄油 开发 讨论Abstract:Steamassisted gravity drainage(SAGD)usessteamasthehearsourceandrelyon the action of gravity of condensed liquid to recovery heavy oi1,by which the recovery can reach up to 60-80%
The technique has been commercially applied overseas,especially in Canada
Thesuperheavy oi1resource is very abundantinBlockShulofLiaoheOilfieldwiththe crude viscosity under formation conditions over10×104mpa
s,which is basically immobile and hardtodevelop
Since the end of 1990s,steam huff and puff for super heavy oil recovery inBlock Shul of Liaohe Oilf