西南石油大学学报(自然科学版)Issue(2):1-8,8.DOI:10.11885/j.issn.1674-5086.2013.10.16.01
神狐深水海域天然气水合物成藏的气源条件
Gas Sources Condition of Gas Hydrate Formation in Shenhu Deep Water Sea Zone
摘要
Abstract
To further study the gas source controlling factors of gas hydrate formation in Shenhu deep water zone of the northern in South China Sea,this paper focuses on the survey area of hydrate in Shenhu area,and analyzes the influence of various gas source supply conditions by the basic survey data and results of drilling in the area. The main results are as follows:(1)in the shallow area,about 400∼1 200 m under the seabed,there are good conditions for biogenic gas formation and the potential Bio-gas source rocks,and it has great potential for the production of the biogenic methane gas;(2)in the deep area,the early Tertiary area,Wenchang Formation and Enping Formation are two main source rocks and can provide some thermogenic gas for gas hydrate formation;(3)Gas hydrate reservoir was formed in the deep areas,where deep thermogenic gas migrates upwards to shallow ground by faults or diapers,then,biogenic gas and thermogenic gas were enriched in the stability region of hydrate by lateral migration.关键词
南海北部深水区/生物气/热解气/混合气源/天然气水合物成藏Key words
deep water zone of the northern in South China Sea/biogenic gas/thermogenic gas/mixture gas source/gas hydrate formation分类
能源科技引用本文复制引用
苏丕波,梁金强,沙志彬,付少英..神狐深水海域天然气水合物成藏的气源条件[J].西南石油大学学报(自然科学版),2014,(2):1-8,8.基金项目
国家“863”计划(2013AA092501);国家自然科学基金(41376076);中国地质调查局项目(GZH201100305;GZH201100303);国土资源部“海底矿产资源”重点实验室基金(KLMMR-2013-A-23)。 ()