Using Lasels analysis method of afterflow for reference, pressure buildupcurve of shut in well is linearized and rheological parameter is calculated.
借鉴拉塞尔的续流分析方法,将焖井恢复压力曲线线性化并计算出流变参数;
2
Based on these, the new method that pressure build-upcurve associated with pressure fall-off curve to determining the productivity of gas well is proposed.
The maturity of various credit rating bond is more abundance will help to buildup a rational corporate bond yield curve, and provide pricing benchmark for secondary market circulation.