發(fā)布時(shí)間：2018-05-17 02:40

  本文選題：非線性擬測井曲線反演 + 時(shí)移擬測井三維數(shù)據(jù)體��； 參考：《石油地球物理勘探》2017年02期

【摘要】：地震反演技術(shù)廣泛應(yīng)用于儲層預(yù)測及流體檢測。本文結(jié)合時(shí)移測井?dāng)?shù)據(jù),進(jìn)一步將地震反演技術(shù)推廣應(yīng)用于油藏監(jiān)測。首先給出了高精度波阻抗外推反演和Seimpar非線性擬測井曲線反演的原理與方法;然后以實(shí)際應(yīng)用為例,利用三維地震數(shù)據(jù)和聲波測井?dāng)?shù)據(jù)作為輸入,反演得到高精度三維波阻抗數(shù)據(jù)體;再將三維波阻抗數(shù)據(jù)體和時(shí)移測井?dāng)?shù)據(jù)作為輸入,應(yīng)用Seimpar非線性擬測井曲線反演得到不同時(shí)期的擬自然電位和擬電阻率的三維數(shù)據(jù)體;進(jìn)而利用該時(shí)移擬測井三維數(shù)據(jù)體,預(yù)測剩余油分布、實(shí)現(xiàn)油藏監(jiān)測。應(yīng)用結(jié)果表明,聯(lián)合高精度波阻抗外推反演和Seimpar非線性擬測井曲線反演提供的二維、三維擬測井?dāng)?shù)據(jù)體,用于剩余油分布預(yù)測和油藏監(jiān)測,識別出2m以上單層砂巖符合率達(dá)80%以上,依據(jù)這一成果部署了32口加密井,全部獲得成功。
[Abstract]:Seismic inversion technology is widely used in reservoir prediction and fluid detection. In this paper, seismic inversion technique is further applied to reservoir monitoring based on time-lapse logging data. The principle and method of high precision wave impedance extrapolation inversion and Seimpar nonlinear logging curve inversion are given, and then the 3D seismic data and acoustic logging data are used as input, taking practical application as an example. The 3-D wave impedance data volume with high accuracy is obtained, and the 3-D wave impedance data volume and time-shift logging data are used as input, and the pseudo natural potential and pseudo resistivity data volume of different periods are obtained by Seimpar nonlinear pseudo logging curve inversion. Furthermore, the time shift logging 3D data volume is used to predict the distribution of remaining oil and to realize reservoir monitoring. The application results show that the 2D and 3D quasi logging data provided by the combination of high precision wave impedance extrapolation inversion and Seimpar nonlinear logging curve inversion are used for residual oil distribution prediction and reservoir monitoring. The coincidence rate of more than 2m single layer sandstone is over 80%. According to this result, 32 infill wells are deployed, all of which are successful.
【作者單位】： 中國石油天然氣集團(tuán)公司;中國石油勘探開發(fā)研究院西北分院;
【分類號】：P631.4;P631.81

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