Calculation results show that they accurately reveal the distributionpattern of pressure in wellbore during under-balanced drilling operation.
计算结果表明，该套公式较为精确地模拟了欠平衡钻井过程中井眼压力分布的规律。
2
This article is concerned with the study on the pump pressuredistribution against drilling-time and the load pattern of slush pumps.
本文论述了钻井泵载荷谱的编制方法、泵压对钻时的分布规律及载荷谱的应用。
3
We studied the distribution of pressure field and saturation field under different well patterns, and discussed1 profound reasons why rectangle well pattern is fit for low permeability reservoirs.