【摘要】：海底扇水道以深水重力流沉積為主,由于其成因機(jī)制復(fù)雜,導(dǎo)致巖石相類型多樣,儲(chǔ)層孔、滲分布復(fù)雜且相關(guān)性差,這給其儲(chǔ)層參數(shù)建模帶來一定的困難。以西非A油田為例,通過深入分析海底扇水道儲(chǔ)層特征及其與地震屬性的關(guān)系,在常規(guī)的"相控協(xié)同"建模的基礎(chǔ)上,提出了一種適合于海底扇水道儲(chǔ)層的"多級(jí)相控約束,多重屬性協(xié)同"的儲(chǔ)層參數(shù)建模新思路。與常規(guī)的相控建模相比,該思路在孔隙度建模中不是單純的"沉積相控",而是在相構(gòu)型建模約束下建立儲(chǔ)集相模型,并以儲(chǔ)集相模型約束建立孔隙度模型;考慮到深水水道砂體整體孔、滲關(guān)系差,但不同巖石相的孔、滲關(guān)系較好,故在滲透率建模中增加了"巖石相控";同時(shí),在常規(guī)的協(xié)同建模的基礎(chǔ)上,該思路還增加了地震屬性協(xié)同建立儲(chǔ)集相模型的環(huán)節(jié)。
[Abstract]:The submarine fan waterway is dominated by deep-water gravity flow deposition. Because of its complex genetic mechanism, the rock facies are diverse, the distribution of pore and permeability is complex and the correlation is poor, which brings some difficulties to the modeling of reservoir parameters. Taking West Africa A Oilfield as an example, by analyzing the characteristics of submarine fan waterway reservoir and its relationship with seismic attributes, and on the basis of conventional "phase control cooperation" modeling, a "multistage phase control constraint" suitable for submarine fan waterway reservoir is proposed. A new idea of reservoir parameter modeling based on multiple attributes synergy. Compared with conventional phase control modeling, this idea is not a simple "sedimentary facies control" in porosity modeling, but a reservoir phase model is established under the constraints of phase configuration modeling, and porosity model is established by the constraints of reservoir phase model. Considering that the whole pore in deep water channel has poor permeability relationship, but the permeability relation of different rock facies is good, the "rock facies control" is added in permeability modeling. At the same time, based on the conventional collaborative modeling, this idea also adds the link of seismic attribute collaborative establishment of reservoir phase model.
【作者單位】： 中國石油大學(xué)(北京)地球科學(xué)學(xué)院;中海油研究總院;
【基金】：國家科技重大專項(xiàng)(2011ZX05030-005-02)
【分類號(hào)】：P618.13

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