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    • 2. 发明申请
    • Method for Mechanical and Capillary Seal Analysis of a Hydrocarbon Trap
    • 烃陷阱的机械和毛细管密封分析方法
    • US20090125238A1
    • 2009-05-14
    • US12083020
    • 2006-09-12
    • Scott A. BarbozaJohn Steven DavisWilliam R. JamesJean Christophe SempereXiaoli Liu
    • Scott A. BarbozaJohn Steven DavisWilliam R. JamesJean Christophe SempereXiaoli Liu
    • E21B49/00
    • E21B47/00E21B49/00
    • Method for making a probabilistic determination of total seal capacity for a hydrocarbon trap, simultaneously considering both capillary entry pressure and mechanical seal capacity, and where capillary entry pressure is estimated by relating it directly to the buoyancy pressure applied by the hydrocarbon column to the top seal. The method thus considers the substantial uncertainty associated with input parameters, which uncertainty limits the utility of such analyses for robust hydrocarbon column height and fluid contact predictions. The method disclosed for estimating seal capillary entry pressure, the requisite input parameter for capillary seal capacity analysis, by inverting trap parameters avoids the need for direct measurement by mercury injection capillary capacity tests on small pieces of rock, which test results often are not available for all desired locations nor are they necessarily representative of adjacent rocks in the seal.
    • 同时考虑毛细管进入压力和机械密封能力,以及毛细管入口压力是否通过直接与烃柱施加到顶部密封件的浮力压力进行估计的方法,用于概括确定烃阱的总密封能力的方法 。 该方法因此考虑与输入参数相关的实质性不确定性,这种不确定性限制了这种分析对于稳定的烃柱高度和流体接触预测的效用。 用于估计密封毛细管入口压力的方法,用于毛细管密封容量分析的必要输入参数,通过反转阱参数避免了对小块岩石上的汞注入毛细管容量试验的直接测量的需要,该测试结果通常不可用于 所有所需的位置也不一定代表密封件中的相邻岩石。