| 安亚运,杨忠琴,陈厚国,贺永忠.黔北地区班竹1井五峰组—新滩组页岩气储层特征[J].贵州地质,2024,(3):249-255 |
| 黔北地区班竹1井五峰组—新滩组页岩气储层特征 |
| Shale Gas Reservoir Characteristics of the Wufeng-Xintan Formation in Well Banzhu-1 in Northern Guizhou |
| 投稿时间：2024-01-22 |
| DOI： |
| 中文关键词: 页岩气 黑色页岩 五峰组-新滩组 储层特征 控制因素 黔北 |
| 英文关键词:Shale Gas Wufeng-Xintan formation Reservoir characteristics Control factor North-ern Guizhou |
| 基金项目:黔北道真向斜1∶5万页岩气地质调查(编号:12120115101601)、黔北地区石牛栏组岩相古地理与页岩气有利储集相带研究(编号:黔地矿科合〔2019〕24)资助 |
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| 中文摘要: |
| 晚奥陶世五峰组—早志留世新滩组黑色页岩是黔北地区页岩气勘探开发的重点层位。为进一步探究该套黑色页岩的孔隙发育控制因素及储层特征，针对黔北地区班竹1井，开展沉积序列、有机地球化学、储集物性等研究。结果显示:五峰组孔隙类型主要为有机质孔，孔隙联通性好，吸附量大；龙马溪组孔隙类型主要为有机质孔和粒间孔，孔隙联通性好，但总孔隙度低，吸附量小；新滩组孔隙类型主要为粒内孔、粒间孔、微裂缝，孔隙联通性相对较差，吸附量小。有机碳与孔隙度相关性较好，可为黔北复杂构造区页岩气勘探与井下横向预测提供支撑。 |
| 英文摘要: |
| The Wufeng formation of Late Ordovician to the Xintan formation of Early Silurian black shale is an important shale gas exploration and development horizon in northern GuizhouIn order to further explore the pore control factors and the reservoir characteristics，for the Banzhu well 1 in northern Guizhou，the sedimentary sequence，organic geochemistry and reservoir physical properties were studiedThe results show that the main pore types of the reservoir are organic pores，intra-granular pores，the results showed: the pore types of the Wufeng formation are mainly organic matter pores，with good pore connectivity and large adsorption capacity；The pore types of the Longmaxi formation are mainly organic matter pores and intergranular pores，with good pore connectivity，but low total porosity and small adsorption capacity；The pore types of the Xintan formation are mainly intragranular pores，intergranular pores and micro-cracks，and the pore connectivity is relatively poor，and the adsorption capacity is small。There is a good correlation between organic carbon and porosity，which can provide support for shale gas exploration and downhole lateral prediction in the complex structural area of northern Guizhou |
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