深层碎屑岩储层异常高孔研究进展

Science Technology and Engineering(2022)

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Abstract
油气勘探领域的深层碎屑岩储层中,异常高孔发育的"甜点区"是提高产量的重要勘探目标.异常高孔的本质是大量孔隙的形成和保存,存在原生孔隙保存型,次生孔隙改造型及复合型3种异常高孔类型.不同盆地(坳陷)间及同一盆地(坳陷)内异常高孔发育层段均差异较大.较为详细地总结了当前异常高孔的成因机制,讨论了各主控因素的控制机理与影响范围,指出了深层碎屑岩储层异常高孔评价与预测的要点与难点,并对未来异常高孔研究和发展趋势做出了展望.
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