这些储层是在长达两亿年的地质历史中，由沉积和成岩作用及其它因素相互影响下的最终产物。
The reservoir characteristics are the final products of sedimentation, diagenesis and the other factors in the geological history as long as two thousand millions.
深部流体（ 地幔流体）及其成岩成矿作用的研究是当今地质科学研究的前沿领域，最近几年这方面的研究进展较快。
The researches on mantle_derived fluids in relation to ore_forming and oil_forming processes constitute one of the forefront fields in the earth science.
通过对原始低电阻率油层地质成因、机理的分析，发现形成原始低电阻率油层的主要地质成因是弱水动力沉积条件和成岩作用形成的次生孔隙。
The author finds that the low-energy hydrodynamic depositional conditions and secondary pores formed by diagenesis are the main geologic genesis of original low resistivity oil reservoirs.
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