For a gas well the flow versus the difference of the squares of the average reservoir and wellbore pressures are plotted on log-logpaper.
对于气井，在双对数坐标纸上绘出流量对平均储层压力与井筒压力平方差的关系图。
2
This paper mainly addresses the features of well temperature log in production logging of Tahe oilfield and how to determine the location of productive reservoir by well temperature log and t.
This paper reviews the log responses of various types of bioherms using core and well log data, and proposes the features of logs suitable for these biohermal reservoirs.