张学军
ZHANG Xuejun

• 1:大庆油田有限责任公司勘探开发研究院

摘要(Abstract)：

原油在紫外或蓝光激发下具有发荧光的特点。利用荧光光谱分析方法检测了J82等7口井的16块原油样品,建立了原油密度与荧光光谱参数Q_(650)/Q_(560)的关系图版,推算了致密储层中油包裹体原油的密度。选取YX58井泉四段致密储层中30块流体包裹体样品,对油包裹体原油进行了定量化荧光光谱分析,建立了油包裹体原油的荧光光谱主峰波长处位置λ_(max)与相对应的荧光光谱强度最大值I_(max)及荧光光谱参数Q_(650)/Q_(560)的关系图版,并分析了致密油气藏的油气成藏期次。结果为:YX58井泉四段致密储层中油包裹体原油的密度为0.784~0.838 g/cm~3;该致密油气藏经历了两次油气充注,为边致密边成藏过程。
The crude oil possesses the fluorescing characteristic under the ultraviolet light or blue light.With the help of the fluorescent spectra analyzing method,sixteen oil samples from seven well including Well J82 and so on were detected,and then the relationship chart between the crude oil density and the spectrum parameter ratio(Q_(650)/Q_(560)) was established,the oil densities in the petroleum inclusions were estimated.Thirty fluid inclusion samples from Member Quan4 in Well YX58 were chosen to quantitatively conduct the fluorescent spectra analysis for the crude oil in the inclusions,and then the relationship charts between the oil main peak wavelength( λ_(max))and the corresponding maximum fluorescent intensity( I_(max)) and the spectrum parameter ratio(Q_(650)/Q_(560)) are plotted,and at the same time,the periods and times of the oil-gas reservoir accumulation were analyzed.The achievements show that the oil densities in the petroleum inclusions from Member Quan4 of Well YX58 distribute between0.784 g/cm~3 and 0.838 g/cm~3;the tight oil and gas reservoirs have undergone two times of the hydrocarbon charging events,the compact and enrichment courses happened at the same time.

关键词(KeyWords)： 致密储层;油包裹体原油;荧光光谱分析;原油密度;油气成藏期次
tight reservoir;the oil in the petroleum inclusion;fluorescent spectra analysis;oil density;the period and time of oil-gas reservoir accumulation

Abstract:

Keywords:

基金项目(Foundation): 中国石油天然气股份公司重大科技专项“大庆探区非常规油气勘探开发关键技术研究与现场试验”(2012E-2603)资助

作者(Author): 张学军
ZHANG Xuejun

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