四川新场气田蓬莱镇组气藏层间干扰分析

】文章明确提出了四川新场气田蓬莱镇组浅层气藏中、上部气藏之间存在层间干扰现象，并从产层压差、试井终压、压力恢复曲线特征及井间干扰等多个角度证实了这一现象的存在。随后，运用层间干扰现象合理地解释了气藏西部两口高产气井长时间关井后产能丧失殆尽的原因，并指出中部气藏在西区的潜力远比预想的差。最后，在层间干扰分析的基础上得出，中、上部气藏不能归为同一开发层系，必须用不同井网分层开采

RESEARCH ON THE FORMATION INTERFERENCE OF PENGLAIZHEN RESERVOIR, XINCHANG FIELD, SICHUAN

The problem of interference occuring in intervals is firstly put forward in detail in this paper. In the light of the data of pressure drawdown of production layers, the terminal pressure of well test, the characteristics of pressure build up test and the phenomemon of well interface, the authors explain the existence of formation interference taking place in the middle and upper shallow gas reaservoirs of Penglaizhen and throw light on the reasons that 2 high productive gas wells (Well Xin 24 and Well Xin 41) in the west of that field have significantly dropped down after a long welldown time. On the second hand, the authors point out that the potential of the western part of the middle reservoir is inferior to that expected. At the end of the paper, on the basis of the analysis of formation interference, the authors suggest that the middle reaservoir should be seperated from the upper reservoir and established two different well patterns when people put them into production.