发明名称 METHODS FOR THE IDENTIFICATION OF BUBBLE POINT PRESSURE
摘要 A method includes acquiring formation fluid sample information including pressure, volume, and temperature. Monotonic formation fluid information is extracted from the formation fluid sample information and a pressure, volume, temperature information set is constructed. A curvature sequence is estimated using a first partial derivative and a second partial derivative of pressure with respect to volume. A first maxima is estimated from the curvature sequence, and the formation fluid property is estimated using the estimated first maxima. A method may include a volume acceleration sequence estimated using a first partial derivative and a second partial derivative of the volume with respect to pressure. A first maxima is estimated from the volume acceleration sequence, and the formation fluid property is estimated at least in part by using the estimated first maxima. A method may include establishing a first linear regression model and predicting a confidence interval.
申请公布号 WO2009102526(A4) 申请公布日期 2010.01.07
申请号 WO2009US31078 申请日期 2009.01.15
申请人 BAKER HUGHES INCORPORATED;LI, BAOYAN 发明人 LI, BAOYAN
分类号 E21B49/08;E21B47/12;G01N7/00 主分类号 E21B49/08
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