德兴气田试井中压力计遇阻原因分析

Analysis of Blocking Cause of Pressure Gauge in Well Testing of De Xing Gas Field

分析了四川德兴气田高压气井试井中压力计遇阻的原因是由于井内产生了水化物,上提压力计过程中水化物逐渐堆积堵塞井眼所致。并分析了水化物的生成条件和机理。

This paper analyses the blocking cause of pressure gauges in wells testing of high pressure gas well in De Xing Gas Field of Sichuan Province,that is because of hydrate generated in the wellbore,and the wellbore was later plugged by hydrate plogressively accumulated during the course of trip-out of pressure gauges. The generating conditions and mechanism of hydrate is also analysed in this paper.