摘要
目的：解决常规产能试井方法难以适应低渗致密凝析气藏的问题。方法：现场实验了气井非稳定渗流理论指导产能试井、国外LIT方法、关井恢复试井替代产能试井3种较新试井技术。结果：前两者效果较好，可井底积液导致相对误差6％～7％。后者则大为减少其影响，平均相对误差仅为2％。结论：通过现场实验研究，搞清了该气藏关井恢复试井的时间规律，从而为其产能试井探索出了完善配套的试井技术。
It's difficult for Pucheng low permeability condensate gas mpl to apply to conventional pro-ductivity well testing technology. In order to this problem, experiments have been done for newer well testingtechnology in three ways- (1)To use gas opl non-stable flow theory to instruct productivity well testing. (2)Torecommnd LIT method in China. (3)To use closed in recovery instead of productivity well testing. The resultspoint out the first two have better effects, but the relative error of bettom hole f1uid storage is from 6 to 17 per-cent, the average of the three is only 2 percent. At the same time, experiment studies in scene make clear closed inrecovery time law. Therefore a complete set preductivity well testing technology has been researched, the applica-tion achieved benificial result in the last years.
出处
《断块油气田》
CAS
1998年第6期44-47,共4页
Fault-Block Oil & Gas Field
关键词
低渗透
凝析油气田
气井
试井
气藏产能
Low permeability-condensate reservoir, Gas well testing, Technique, Field testing, Application, Time
