重庆科技学院学报：自然科学版2012，Vol.14Issue(1)：44-47,4.
鄂尔多斯盆地B192井中生界天然气形成条件探讨
Discussion on Forming Condition of B192 Well in the Mesozoic Erathem of Ordos Basin
杨亚娟 1张艳 1丁雪峰 1张才利1
作者信息
- 1. 低渗透油气田勘探开发国家工程实验室,西安710018／长庆油田分公司勘探开发研究院,西安710018
- 折叠
摘要
Abstract
The Chang63 of the Yanchang Formation in B192 gained more than 3 ×104m3 gas in the process of testing for oil,the Mesozoic Erathern of Ordos Basin. According to composition analysis of B192 natural gas ,the conclusion is developed that a few gas cap gas being,and abundant dissolved gas dissociation increasing tolerance in the process of testing for oil. Carbonate isotope of CH4 indicated that the natural gas origin is crude oil associated gas.The type of B 192 hydrocarbon reservoir is lithology one. The causes of abundant gas in the process of testing for oil are considered that cruding, storing, and keeping is very favorableness, the great difference of oil bed embedding depth between the Cretaceous period and nowadays, and the small pressure difference between formation pressure and oil reservoir saturated pressure can urge dissolved gas dissociated and formed gas cap gas, the very low floating pressure can also urge dissolved gas dissociated in the process of testing for oil.关键词
鄂尔多斯盆地/中生界/天然气/原油伴生气/溶解气Key words
Ordos Basin/the Mesozoic Erathem/natural gas/crude oil associated gas/dissolved gas分类
能源科技引用本文复制引用
杨亚娟,张艳,丁雪峰,张才利..鄂尔多斯盆地B192井中生界天然气形成条件探讨[J].重庆科技学院学报：自然科学版,2012,14(1):44-47,4.
