勘探早期天然气运移输导能力综合评价——以绥滨坳陷城子河组为例Comprehensive evaluation to natural gas migration and conductivity during early exploration stage—case study on Chengzihe Formation of Suibin Sag
万军
WAN Jun(No.1 Oil Production Company of Daqing Oilfield Company Ltd.
摘要(Abstract):
为了研究绥滨坳陷城子河组输导天然气特征能力,在其砂体和断裂发育及分布特征研究的基础上,通过定义和求取砂体及断裂输导天然气能力评价参数,对绥滨坳陷城子河组砂体输导天然气特征能力进行了评价,得到城子河组砂体输导天然气能力高值区主要分布在北部斜坡区绥D2井处和东部斜坡区集贤镇处,断裂输导天然气能力东部高于西部。根据砂体和断裂输导天然气能力评价结果,结合源岩和圈闭发育特征,对绥滨坳陷城子河组天然气成藏的有利区进行了预测,得到福兴斜坡地区中部及东部斜坡区南部是绥滨坳陷城子河组天然气成藏与分布的有利区,是该区下一步天然气勘探的有利地区。
Aiming to get a clear view on the feature and capability of natural gas conductivity in Chengzihe Formation of Suibin Sag,studies on the distribution and development of sand body and faults within the area are carried out,through which,parameters involving to sandy body and faults conductivity evaluation are defined and calculated,results indicate that peak values mainly concentrate around Sui-Well-D2 in the northern slope and Jixian town in the eastern slope.The capability of natural gas conductivity in the east area is larger than that in the west.According to the evaluation,in addition combining with source rock and traps development features,gas pool plays in Chengzihe Formation of Suibin Sag are predicted,implying that the center of Fuxing slope and the southern part of eastern slope are favorable places for natural gas reserving and distributing,and thus would be beneficial targets in the future.
关键词(KeyWords):
绥滨坳陷;城子河组;砂体;断层;天然气;输导能力;综合评价
Suibin Sag;Chengzihe Formation;sand body;fault;natural gas;conductivity;comprehensive evaluation
基金项目(Foundation): 国家“973”重点基础研究项目“高效大气田形成机理与分布研究”(2001CB209104)资助成果
作者(Author):
万军
WAN Jun(No.1 Oil Production Company of Daqing Oilfield Company Ltd.
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- 绥滨坳陷
- 城子河组
- 砂体
- 断层
- 天然气
- 输导能力
- 综合评价
Suibin Sag - Chengzihe Formation
- sand body
- fault
- natural gas
- conductivity
- comprehensive evaluation