石油勘探与开发 >

2016 , Vol. 43 >Issue 4: 573 - 579

DOI: https://doi.org/10.11698/PED.2016.04.09

油气勘探

火山地层就位环境对储集层分布的约束——以松辽盆地王府断陷侏罗系火石岭组二段流纹质火山地层为例

  • 唐华风 ,
  • 杨迪 ,
  • 邵明礼 ,
  • 王璞珺 ,
  • 孙文铁 ,
  • 黄玉龙
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  • 1. 吉林大学地球科学学院；
    2. 吉林油田勘探开发研究院
唐华风（1979-）,男,四川泸县人,博士,吉林大学副教授,主要从事火山地层和火山岩储集层综合研究。地址：吉林省长春市建设街2199号,吉林大学地球科学学院,邮政编码：130061。E-mail: tanghfhc@jlu.edu.cn

网络出版日期: 2016-11-02

基金资助

国家重点基础研究发展计划（973）项目（2012CB822002）;国家自然科学基金项目（41472304

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Constraint of volcano-stratigraphic emplacement environment on the reservoir distribution: A case analysis of rhyolitic volcanic strata in the 2nd member of Jurassic Huoshiling Formation in Wangfu fault depression, Songliao Basin, East China

  • TANG Huafeng ,
  • YANG Di ,
  • SHAO Mingli ,
  • WANG Pujun ,
  • SUN Wentie ,
  • HUANG Yulong
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  • 1. College of Earth Sciences, Jilin University, Changchun 130061, China;
    2. PetroChina Jilin Oilfield Company, Songyuan 138000, China

Online published: 2016-11-02

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摘要

以松辽盆地王府断陷侏罗系火石岭组二段流纹质火山地层为例,探讨火山地层就位环境类型及储集层发育模式,总结火山地层就位环境对储集层形成的控制作用。利用下伏岩层岩相分析法和上覆岩层印模法对就位前和就位后的古地貌进行恢复,进而将就位环境划分为4类：就位前洼陷-就位后洼陷（Ⅰ类）、就位前洼陷-就位后低凸起（Ⅱ类）、就位前低凸起-就位后低凸起（Ⅲ类）、就位前低凸起-就位后洼陷（Ⅳ类）。钻井揭示处于Ⅰ类就位环境的火山地层具有“下好上差”的储集层分布模式,主要受挥发分捕获、熔浆淬火和深埋藏溶蚀作用的控制;处于Ⅲ类就位环境的火山地层具有“上好下差”的储集层分布模式,主要受风化淋滤、挥发分捕获和构造作用的控制。Ⅰ类就位环境的火山地层下部和Ⅲ类就位环境的火山地层上部为有利的勘探目标。图7表1参19

关键词： 松辽盆地; 王府断陷; 侏罗系火石岭组; 火山地层; 就位环境; 储集层

本文引用格式

唐华风 , 杨迪 , 邵明礼 , 王璞珺 , 孙文铁 , 黄玉龙 . 火山地层就位环境对储集层分布的约束——以松辽盆地王府断陷侏罗系火石岭组二段流纹质火山地层为例[J]. 石油勘探与开发, 2016 , 43(4) : 573 -579 . DOI: 10.11698/PED.2016.04.09

Abstract

This paper takes rhyolitic volcanic strata of the 2nd member of Jurassic Huoshiling Formation in the Wangfu fault depression, Songliao Basin as an example to discuss the environment type of volcnano-stratigraphic emplacement and distribution pattern of reservoirs and to analyze the control of volcanic strata emplacement environment on reservoir formation. Lithofacies analysis techniques can roughly determine the paleo-landform before volcnano-stratigraphic emplacement according to the types of underlying rocks. Horizon flatten techniques can basically determine the paleo-landform after emplacement according to coal bottom. There are four environment types of volcano-stratigraphic emplacement, namely, sub-sag before and after emplacement (typeⅠ), sub-sag before emplacement- low salient after emplacement (typeⅡ), low salient before and after emplacement (type Ⅲ), and low salient before emplacement and sub-sag after emplacement (type Ⅳ). The drilling reveals that the volcanic strata of typeⅠemplacement environment have the reservoir distribution pattern of excellent in the lower part and poor in the upper part because of the controlling of capturing of volatile matter, quenching of magma and deep burial dissolution. However, the volcanic strata of type Ⅲ emplacement environment have the reservoir distribution pattern of excellent in the upper part and poor in the lower part because of the controlling of the weathering leaching, capturing of volatile matters and tectonic activity. The lower part of volcanic strata in typeⅠand upper part of volcanic strata in type Ⅲ are favorable exploration targets.

Key words： Songliao Basin; Wangfu fault depression; Jurassic Huoshiling Formation; volcanic formation; emplacement environment; reservoir

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