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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:

第32卷

期数:

2010年第03期

页码:

252-256

栏目:

基础地质与矿产地质

出版日期:

2010-09-20

文章信息/Info

Title:

Genetic Type and Distribution Rule of Natural Gas of Kongdian Formation in Weibei Sag

文章编号:

1672-6561(2010)03-0252-05

作者:

沈朴¹; 金强¹; 张玉明²; 张善文¹; 2; 王力³; 程付启²

(1.中国石油大学 地球资源与信息学院,山东 东营 257061; 2.中国石油化工股份有限公司 胜利油田分公司, 山东 东营 257000; 3.中国石油天然气集团公司冀东油田分公司 勘探开发研究院,河北 唐山 063004)

Author(s):

SHEN Pu¹;  JIN Qiang¹;  ZHANG Yu-ming²;  ZHANG Shan-wen¹; 2;  WANG Li³;  CHENG Fu-qi²

(1.School of Geo-resources and Information, China University of Petroleum, Dongying 257061, Shandong, China; 2.Shengli Oilfield Company, China Petroleum and Chemical Corporation, Dongying 257000, Shandong, China; 3.Institute of Exploration and Development, Jidong Oilfield Company, China National Petroleum Corporation,Tangshan 063004, Hebei, China)

关键词:

天然气; 地球化学; 成因类型; 分布规律; 孔店组; 潍北凹陷

Keywords:

natural gas;  geochemistry;  genetic type;  distribution rule;  Kongdian Formation;  Weibei Sag

分类号:

TE122;P618.13

DOI:

-

文献标志码:

A

摘要:

根据天然气组分以及碳同位素和轻烃特征等资料,运用天然气成因理论并结合天然气成因类型判识图版和成藏条件,探讨了潍北凹陷孔店组天然气成因类型及分布规律。结果表明:潍北凹陷天然气CH₄体积分数大,重烃体积分数小,非烃组分极少;南部斜坡带的疃4井天然气属生物气;灶户鼻状构造带南部产出的天然气为混有生物气的油型伴生气;灶户鼻状构造带中部地区属典型的油型伴生气;北部洼陷区的东部和南缘产出的天然气具有煤型气,并有油型气混入;以昌1井为代表的北部深洼陷区是煤型气发育的有利地区。总之,潍北凹陷天然气可以划分为生物气、混有生物气的油型伴生气、典型的油型伴生气、混有油型气的煤型气、典型的煤型气等5种成因类型;孔店组天然气类型多样、分布复杂,这些与该区的烃源岩类型、成熟度等因素有关。

Abstract:

Based on natural gas composition, carbon isotope and light hydrocarbon data, genetic type and distribution rule of natural gas of Kongdian Formation in Weibei Sag were discussed with the theory and discriminant diagram of natural gas genetic type and reservoir condition. The results showed that volume contents of CH₄, heavy hydrocarbon and nonhydrocarbon were high, low and extremely low for natural gas in Weibei Sag, respectively; natural gas from well Tuan-4 in southern clinoform zone was biogas; natural gas in the southern of Duhu nose tectonic zone was oil type associated gas with biogas; natural gas in the middle of Duhu nose tectonic zone was typical oil type associated gas; natural gas in southern rim and eastern of northern subsag was coal type gas with oil type gas; northern deep subsag was the prospecting area for coal type gas. In general, natural gas in Weibei Sag could be divided into five genetic types, which were biogas, oil type associated gas with biogas, typical oil type associated gas, coal type gas with oil type gas, typical coal type gas; types of natural gas in Kongdian Formation were numerous, distribution was complex, the reasons could be related to hydrocarbon source rock and maturation.

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备注/Memo

备注/Memo:

收稿日期:2009-10-15
基金项目: 国家重点基础研究发展计划项目(2001CB209102)
作者简介: 沈 朴(1984-),男,安徽六安人,工学博士研究生,从事石油地质研究。E-mail:shenpuhdpucn@sina.com

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更新日期/Last Update: 2010-09-20