From the pressure buildupcurve of 16 Wells who used over-high pressure, the skin factor of 14 Wells is negative.
从16口超高压射孔完井的压力恢复曲线统计可知,14口井的表皮系数为负值。
2
The reservoir pressure of a developed oilfield can be determined not only by shut-in buildupcurve for a producing well, but also by shut-in falloff curve of injecting water well.