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Controls on porosity evolution in thamama in thamama group carbonate reservoirs, abu dhabi, U.A.E.

机译:泰马马山碳酸盐储层泰马马山马孔隙率进化的控制,阿布扎比,U.a.e.

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The multiple Lower Cretaceous carbonate reservoirs found throughout Abu Dhabi display pronounced lateral heterogeneities in porosity, permeability, and resevoir thickness. Generally, these variables decrease away from the crests of producing anticlines. Detailed study of the Kharaib Fm. in one of these fields has found that pressure solution along stylolites, with concurrent local reprecipitation of calcite cements, is the major process by which reservoir quality has been degraded. Lateral variations in reservoir quality are largely controlled by stylolite frequency and intensity. No significant variations in depositional facies accompany this change.
机译:在ABU DHABI中发现的多个下白垩纪碳酸盐储存器在孔隙,渗透性和簧撇管中显示出明显的横向异质性。通常,这些变量远离产生背线的嵴。 Kharaib FM的详细研究。在其中一个领域已经发现,沿着牙晶岩的压力解决方案,具有Carcite的局部再沉淀,是储层质量退化的主要过程。储层质量的横向变化很大程度上是由牙岩频率和强度控制的。这种变化,沉积面上没有显着变化。

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