河北省北部富有机质页岩的页岩气潜力研究  

Study on the shale gas potential of organic-rich shale in the northern part of Hebei Province

作　　者：封宇博 刘友南 邓春涛 梁博 FENG Yubo;LIU Younan;DENG Chuntao;LIANG Bo(School of Earth Science and Engineering,Xi'an Shiyou University,Xi'an Shaanxi 710065,China;Shaanxi Key Laboratory of Petroleum Accumulation Geology,Xi'an Shiyou University,Xi'an Shaanxi 710065,China)

机构地区：[1]西安石油大学地球科学与工程学院,陕西西安710065 [2]西安石油大学陕西省油气成藏地质学重点实验室,陕西西安710065

出　　处：《石油化工应用》2024年第1期92-97,共6页Petrochemical Industry Application

摘　　要：为满足当前国内页岩气勘探开发需求,亟需完善富有机质页岩勘探开发理论。以河北省北部富有机质页岩样品为依托进行岩石热解、XRD全岩矿物分析、扫描电镜、甲烷等温吸附等实验,以期探明研究区古老地层富有机质页岩的页岩气潜力。研究发现:研究区下马岭组和洪水庄组烃源岩发育较好,有较好的生排烃潜力;页岩孔隙特征整体复杂,储层物性为低孔低渗,富集储存条件较好。又创新性研究了页岩含气性与岩相类型的关系,结果表明层状页岩含气性优于块状页岩。该研究成果丰富了页岩气富集理论,并指明了研究区富有机质页岩的页岩气勘探开发潜力较大,可为下一步有效开发提供理论指导。In order to meet the prevailing domestic demand for shale gas exploration and development,it is crucial to elevate the theoretical framework pertaining to the exploration and development of organic-rich shale.Drawing upon samples extracted from the northern region of Hebei Province,an array of diverse experiments including rock pyrolysis,XRD whole-rock mineral analysis,scanning electron microscopy,methane isothermal adsorption,among others,were diligently performed with the ultimate objective of unraveling the latent shale gas potential lying within the ancient geological strata of the study area.The prodigious findings of this research endeavor have unequivocally revealed the presence of well-developed source rocks,exhibiting a highly promising hydrocarbon generation potential,within the Xiamaling formation and Hongshuizhuang formation in the designated study area.The shale formations,as a whole,exhibit a substantially intricate porous structure,characterized by low porosity and permeability.Nonetheless,the conditions for shale gas accumulation and storage remain inherently favorable.Furthermore,a pioneering investigation exploring the correlation between shale gas content and lithofacies types was conducted,yielding compelling results that conclusively demonstrate the superior gas content found within laminated shale in comparison to its blocky counterparts.These momentous research achievements have profoundly augmented the existing reservoir of knowledge on shale gas enrichment,thereby accentuating the considerable potential for shale gas exploration and development within the region characterized by organic-rich shale formations.Consequently,this groundbreaking study represents an invaluable source of theoretical guidance,poised to effectively inform future developmental initiatives.

关 键 词：页岩气 下马岭组 洪水庄组 生排烃潜力 岩相 

分 类 号：P618.13[天文地球—矿床学]