深层碳酸盐岩流体包裹体均一温度特征及应用探讨

来源 :天然气地球科学 | 被引量 : 0次 | 上传用户:forde88
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流体包裹体技术是深层碳酸盐岩油气资源勘探研究的有效工具,但其准确性主要依赖于流体包裹体均一温度的可靠性。通过对深层碳酸盐岩流体包裹体均一温度分布特征分析表明,包裹体体积再平衡是普遍存在的,并导致包裹体均一温度分布的主峰温度值不能真实地反映其原始的均一温度。同期流体包裹体体积再平衡程度的判断有助于恢复其可靠的均一温度,该方法对深层碳酸盐岩流体包裹体技术的应用具有重要意义,使其能够更科学合理地解释深层油气的多期运移和成藏,能更准确地限定油气成藏时间及温压条件。 Fluid inclusion technology is an effective tool for hydrocarbon exploration in deep carbonate rocks, but its accuracy relies mainly on the homogeneity of temperature of fluid inclusions. The analysis of the homogenization temperature distribution of the fluid inclusions in the deep carbonate rocks shows that the volume reequilibrium of the inclusions is ubiquitous and the temperature of the main peak of homogenization temperature distribution of the inclusions can not truly reflect its original homogenization temperature. The judgment of the volume rebalancing of fluid inclusions in the same period helps to restore its reliable homogenization temperature. This method is of great significance to the application of fluid inclusion technology in deep carbonate rocks, making it possible to explain more and more deep-seated oil and gas in a more scientific and rational way Period migration and accumulation, can more accurately define the hydrocarbon accumulation time and temperature and pressure conditions.
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