JOGT  >> Vol. 39 No. 4 (August 2017)

    渤海湾盆地垦利16-1区块录井综合解释评价方法
    Comprehensive Logging Interpretation and Evaluation Method for Kenli 16-1 Block in Bohai Bay Basin

  • 全文下载: PDF(2557KB) HTML   XML   PP.175-181   DOI: 10.12677/JOGT.2017.394052  
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作者:  

熊 亭,毛 敏,黄小刚,彭文春:中法渤海地质服务有限公司,天津

关键词:
垦利16-1区块气测解释异常倍数热解色谱评价方法Block Kenli 16-1 Gas Logging Interpretation Anomalous Multiple Pyrolysis Gas Chromatography Evaluation Method

摘要:

渤海湾盆地垦利16-1区块发育两种不同气测特征的油层,一种是气测烃组分齐全,重烃占有一定百分比的正常油层;另一种是气测烃组分不齐全,以C1组分为主,C1所占百分比高,表现为气层或水层特征的生物降解油层;针对研究区油层原油性质复杂多变的特点,分别建立有针对性的解释模版。在分析该区不同类型油层气测、地化岩石热解气相色谱的基础上,建立以C1、iC4、nC4、iC5、nC5轻、重烃组分异常倍数评价参数为主和以地化岩石热解气相色谱分析为辅的正常油层解释标准和建立以全烃、C1异常倍数、地化岩石热解气相色谱为评价参数的生物降解油层解释标准。现场实际应用表明,针对不同气测组分特征优选解释评价标准,无论是正常油层还是生物降解油层均能较好地识别。

There were two types of oil reservoirs with different gas logging characteristics in Block Kenli 16-1 of the Bohai Bay Basin: one was the normal reservoir with complete gas logging hydrocarbon composition and with a certain percentage of heavy hydrocarbons; the other was the biodegradable reservoir with characteristics similar to gas layer or water layer, without complete hydrocarbon components in gas logging, of which the percentage of C1 was high. Interpretation charts were established in consideration of the complex and changeable characteristics of oil layer in the study area. Based on the analysis of gas logging, geochemical rock pyrolysis, and gas chromatograph features of different types of reservoirs in the area, the interpretation criteria for normal reservoirs, with anomalous multiple of light and heavy hydrocarbon components of C1, iC4, nC4, iC5, nC5 as the main evaluation parameters, and gas chromatography of geochemical rock pyrolysis as assistant parameter, and the interpretation criterion for biodegradable reservoirs with φ(TG), C1 anomalous multiple and gas chromatography of geochemical rock pyrolysis as evaluation parameters, were set up. The application shows that with interpretation evaluation criteria are chosen for different gas logging components for accurately identifying the normal reservoirs and biodegradable reservoirs.

文章引用:
熊亭, 毛敏, 黄小刚, 彭文春. 渤海湾盆地垦利16-1区块录井综合解释评价方法[J]. 石油天然气学报, 2017, 39(4): 175-181. https://doi.org/10.12677/JOGT.2017.394052

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