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    • 4. 发明申请
    • Methods for measuring a formation supercharge pressure
    • 测量地层增压压力的方法
    • US20050235745A1
    • 2005-10-27
    • US11069649
    • 2005-03-01
    • Mark ProettChung-Ling WilsonJean BeiqueJohn HardinJames FogalDavid WelshansGlenn Gray
    • Mark ProettChung-Ling WilsonJean BeiqueJohn HardinJames FogalDavid WelshansGlenn Gray
    • E21B21/08E21B49/08E21B49/10
    • E21B49/08E21B49/088E21B49/10
    • A method of determining the supercharge pressure in a formation intersected by a borehole having a wall, the method comprising disposing a formation pressure test tool into the borehole having a probe for isolating a portion of the borehole. The method further comprises extending the probe into sealing contact with the borehole wall. The method further comprises performing at least one drawdown test with the formation pressure test tool. The method further comprises modeling the supercharge pressure of the formation using the dynamic properties of the mudcake. The method further comprises determining the supercharge pressure of the formation using the supercharge pressure model. The formation pressure test tool may be conveyed into the borehole using wireline technology or on a drill string. Using the supercharge pressure, the drawdown test may be optimized, the characteristics of the drilling fluid altered, or the measurements of other sensors adjusted.
    • 一种确定由具有壁的钻孔相交的地层中的增压压力的方法,所述方法包括将地层压力测试工具设置在所述钻孔中,所述钻孔具有用于隔离所述钻孔的一部分的探针。 该方法还包括将探针延伸成与钻孔壁密封接触。 该方法还包括使用地层压力测试工具进行至少一次牵伸试验。 该方法还包括使用泥饼的动态特性对地层的增压压力进行建模。 该方法还包括使用增压压力模型确定地层的增压压力。 地层压力测试工具可以使用有线技术或钻柱传送到钻孔中。 使用增压压力,可以优化压下试验,改变钻井液的特性,或调整其他传感器的测量值。
    • 5. 发明申请
    • DETERMINING THE QUALITY OF DATA GATHERED IN A WELLBORE IN A SUBTERRANEAN FORMATION
    • 确定在下层形成的井中收集的数据的质量
    • US20150112599A1
    • 2015-04-23
    • US14516854
    • 2014-10-17
    • Mark ProettSami Eyuboglu
    • Mark ProettSami Eyuboglu
    • E21B49/08
    • E21B49/10
    • Methods for determining the quality of data gathered in a wellbore in a subterranean formation including (a) collecting a formation fluid sample in the wellbore in the subterranean formation using a formation tester for receiving the formation fluid, wherein the formation tester is lowered to at least one depth in the wellbore in the subterranean formation by a conveyor; (b) acquiring a wellbore measurement (“WM”) from the least one depth with the formation tester; (c) determining from the WM a measured quality value (“MQV”); (d) assigning a threshold value (“TV”) to the MQV; (e) assigning a range value (“RV”) to the MQV, based on geometric scaling of the TV, the RV defining the limits of the MQV above and below the TV; and (f) calculating a score value (“SV”) based on the MQV, the TV, and the RV, wherein the SV is a number between 0 and 2*TV, and wherein the quality of the WM increases as the SV increases.
    • 用于确定收集在地下地层井眼中的数据质量的方法,包括(a)使用地层测试仪收集地层中的地层流体样品,其中地层测试仪至少降低 通过输送机在地层中的井眼中的一个深度; (b)使用地层测试仪从至少一个深度获取井筒测量值(“WM”); (c)从WM确定测量的质量值(“MQV”); (d)向MQV分配一个阈值(“TV”); (e)基于电视机的几何缩放为MQV分配范围值(“RV”),RV定义TV上方和下方的MQV的限制; 和(f)基于MQV,TV和RV计算得分值(“SV”),其中SV是0和2 * TV之间的数字,并且其中WM的质量随SV增加而增加 。