低渗凝析气田反凝析伤害评价及解除措施  

Evaluation and Removing Methods on Reverse Condensate Damage of Low Permeability Condensate Gas Well

作　　者：帅永乾 

机构地区：[1]中国石油吐哈油田分公司丘东采油厂,新疆鄯善838202

出　　处：《吐哈油气》2007年第4期346-351,共6页Tuha Oil & Gas

摘　　要：在分析了吐哈盆地已开发凝析气田的反凝析对地层伤害机理、伤害程度和国内外现有降低和解除反凝析技术方法的基础上,针对吐哈已开发的低渗凝析气藏,提出了有效的解除凝析气藏近井地层反凝析伤害、提高气井产能的技术方法,进而通过改善凝析气井热动力学条件、减轻或解除凝析气井井底堵塞状况和降低废弃压力,达到改善开发效果和提高油气采收率的目的。Based on the analysis of formation damage mechanism and damage degree caused by reverse condensate and methods of reducing and removing reverse condensate technology at home and abroad, effective methods to remove near wellbore formation reverse condensate of condensate gas reservoir and enhance gas well productivity are ility condensate gas reservoir Tuha oilfield, which can be able to improve the thermodynamics conditions of condensate gas well and decrease or remove the situation of downhole plugging and re-duce abandonment pressure, leading to improve development effect and increase hydrocarbon recovery.

关 键 词：反凝析 污染 气井产能 地层伤害 

分 类 号：TE258.1[石油与天然气工程—油气井工程]