唐小强,黄光辉,张敏.塔里木盆地满东地区天然气组成与成因分析[J].西北地质,2019,52(3):173-180
塔里木盆地满东地区天然气组成与成因分析
Composition and Genetic Analysis of Natural Gas in Mandong Area, Tarim Basin
投稿时间:2019-01-27  修订日期:2019-04-02
DOI:10.19751/j.cnki.61-1149/p.2019.03.015
中文关键词:  满东地区;天然气组成;原油裂解气;干酪根裂解气
英文关键词:Mandong;natural gas composition;oil-cracking gas;kerogen-cracking gas
基金项目:中国石油天然气集团公司科学研究与技术开发项目“冻胶阀欠平衡技术推广”(2010D-2409-41)
作者单位
唐小强 四川航天职业技术学院, 四川 成都 610100 
黄光辉 长江大学油气资源与勘查技术教育部重点实验室, 湖北 武汉 430100
长江大学资源与环境学院, 湖北 武汉 430100 
张敏 长江大学油气资源与勘查技术教育部重点实验室, 湖北 武汉 430100
长江大学资源与环境学院, 湖北 武汉 430100 
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中文摘要:
      满东地区天然气气井位于满东构造带、龙口构造带、英南构造带和英东构造带,具有广阔的天然气勘探前景。笔者就满东地区满东1井、龙口1井、英南2井、英东2井4口井天然气组分组成、碳同位素组成等特征综合分析该区天然气的成因类型。研究认为,满东1、龙口1、英南2井天然气为典型的湿气,CO2含量低,N2含量很高,为原油裂解气;英东2井天然气为干气,CO2含量相对前3口井较高,N2含量较低,为干酪跟裂解气;CO2、N2均为有机成因。满东地区天然气均属于高-过成熟海相腐泥型天然气。通过研究,希望对满东地区天然气地球化学的基础理论研究及塔里木盆地台盆区天然气的勘探工作提供借鉴和依据。
英文摘要:
      Natural gas wells of Mandong area are located in Mandong, Longkou, Yingnan and Yingdong tectonic belts, having broad prospects for gas exploration. In this paper, the gas components carbon isotopic composition of the natural gas from Well Mandong 1, Well Longkou 1, Well Yingnan 2 and Well Yingdong 2 have been analyzed to discuss the genetic type of natural gas in this area. The results indicate that the natural gas from Well Mandong 1, Well Longkou 1 and Well Yingnan 2 has a few CO2 and lot N2, which is kerogen-cracking gas and typical wet gas. The natural gas from Well Yingdong 2 has a lot CO2 more than other three wells, and has a few N2, which is oil-cracking gas and belongs to a typical dry gas. The CO2 and N2 are organic origin. Natural gas of Mandong area is high and over matured marine sapropelic type gas. These findings will further guide the work of natural gas exploration in Tarim Basin.
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