Guided by the fundamental principles of the whole petroleum system,the control of tectonism,sedimentation,and diagenesis on hydrocarbon accumulation in a rifted basin is studied using the data of petroleum geology and...Guided by the fundamental principles of the whole petroleum system,the control of tectonism,sedimentation,and diagenesis on hydrocarbon accumulation in a rifted basin is studied using the data of petroleum geology and exploration of the second member of the Paleogene Kongdian Formation(Kong-2 Member)in the Cangdong Sag,Bohai Bay Basin,China.It is clarified that the circle structure and circle effects are the marked features of a continental fault petroliferous basin,and they govern the orderly distribution of conventional and unconventional hydrocarbons in the whole petroleum systems of the rifted basin.Tectonic circle zones control sedimentary circle zones,while sedimentary circle zones and diagenetic circle zones control the spatial distribution of favorable reservoirs,thereby determining the orderly distribution of hydrocarbon accumulations in various circles.A model for the integrated,systematic accumulation of conventional and unconventional hydrocarbons under a multi-circle structure of the whole petroleum system of continental rifted basin has been developed.It reveals that each sag of the rifted basin is an independent whole petroleum system and circle system,which encompasses multiple orderly circles of conventional and unconventional hydrocarbons controlled by the same source kitchen.From the outer circle to the middle circle and then to the inner circle,there is an orderly transition from structural and stratigraphic reservoirs,to lithological and structural-lithological reservoirs,and finally to tight oil/gas and shale oil/gas enrichment zones.The significant feature of the whole petroleum system is the orderly control of hydrocarbons by multi-circle stratigraphic coupling,with the integrated,orderly distribution of conventional and unconventional reserves being the inevitable result of the multi-layered interaction within the whole petroleum system.This concept of multi-circle stratigraphic coupling for the orderly,integrated accumulation of conventional and unconventional hydrocarbons has guided significant breakthroughs in the overall,three-dimensional exploration and shale oil exploration in the Cangdong Sag.展开更多
目的探讨贵州老年人代谢肥胖表型与多维衰弱的相关性,为预防老年人生活质量下降和促进老年人健康提供参考依据。方法2019年7—8月,采用横断面研究,抽取贵州省黔南州贵定县和贵阳市花溪区≥60岁的1116名老年人为研究对象,根据体质量指数(...目的探讨贵州老年人代谢肥胖表型与多维衰弱的相关性,为预防老年人生活质量下降和促进老年人健康提供参考依据。方法2019年7—8月,采用横断面研究,抽取贵州省黔南州贵定县和贵阳市花溪区≥60岁的1116名老年人为研究对象,根据体质量指数(body mass index,BMI)判断超重肥胖、代谢是否正常将老年人分为四种代谢表型,采用TilBurg衰弱量表来衡量老年人的多维衰弱情况,分析不同表型肥胖与多维衰弱及其不同维度的相关性。结果多因素logistic回归显示,调整潜在混杂因素后,以正常代谢体质量正常者(metabolic healthy normal weight,MHNW)为参照组,异常代谢超重肥胖(metabolic abnormal obesity,MAO)者和正常代谢超重肥胖(metabolic normal obesity,MHO)者的多维衰弱患病风险增高,比值比(odds ratio,OR)分别为(OR=1.66,95%CI:1.03~2.67)和(OR=1.53,95%CI:1.03~2.28),而MANW与MHNW多维衰弱比较差异无统计学意义(OR=1.34,95%CI:0.87~2.07,P=0.189)。Logistic回归分析显示,在调整潜在混杂因素后,MHO人群身体衰弱患病率为MHNW的1.72倍(OR=1.72,95%CI:1.01~2.23,P=0.044),而心理衰弱(OR=1.12,95%CI:0.56~2.26,P=0.454)、社会衰弱(OR=1.53,95%CI:0.77~3.04,P=0.229)与不同代谢肥胖表型间均无相关性。结论老年人代谢肥胖表型中MHO与MAO表型可增加其多维衰弱的风险,MHO增加身体衰弱的风险,但代谢肥胖与多维衰弱之间的关系还需进一步证实。展开更多
基金Supported by the National Science and Technology Major Project of China(2024ZD1400101)China National Key Research and Development Project(2022YFF0801204)Major Science and Technology Project of CNPC(2023ZZ15YJ01,2021DJ0702)。
文摘Guided by the fundamental principles of the whole petroleum system,the control of tectonism,sedimentation,and diagenesis on hydrocarbon accumulation in a rifted basin is studied using the data of petroleum geology and exploration of the second member of the Paleogene Kongdian Formation(Kong-2 Member)in the Cangdong Sag,Bohai Bay Basin,China.It is clarified that the circle structure and circle effects are the marked features of a continental fault petroliferous basin,and they govern the orderly distribution of conventional and unconventional hydrocarbons in the whole petroleum systems of the rifted basin.Tectonic circle zones control sedimentary circle zones,while sedimentary circle zones and diagenetic circle zones control the spatial distribution of favorable reservoirs,thereby determining the orderly distribution of hydrocarbon accumulations in various circles.A model for the integrated,systematic accumulation of conventional and unconventional hydrocarbons under a multi-circle structure of the whole petroleum system of continental rifted basin has been developed.It reveals that each sag of the rifted basin is an independent whole petroleum system and circle system,which encompasses multiple orderly circles of conventional and unconventional hydrocarbons controlled by the same source kitchen.From the outer circle to the middle circle and then to the inner circle,there is an orderly transition from structural and stratigraphic reservoirs,to lithological and structural-lithological reservoirs,and finally to tight oil/gas and shale oil/gas enrichment zones.The significant feature of the whole petroleum system is the orderly control of hydrocarbons by multi-circle stratigraphic coupling,with the integrated,orderly distribution of conventional and unconventional reserves being the inevitable result of the multi-layered interaction within the whole petroleum system.This concept of multi-circle stratigraphic coupling for the orderly,integrated accumulation of conventional and unconventional hydrocarbons has guided significant breakthroughs in the overall,three-dimensional exploration and shale oil exploration in the Cangdong Sag.
文摘目的探讨贵州老年人代谢肥胖表型与多维衰弱的相关性,为预防老年人生活质量下降和促进老年人健康提供参考依据。方法2019年7—8月,采用横断面研究,抽取贵州省黔南州贵定县和贵阳市花溪区≥60岁的1116名老年人为研究对象,根据体质量指数(body mass index,BMI)判断超重肥胖、代谢是否正常将老年人分为四种代谢表型,采用TilBurg衰弱量表来衡量老年人的多维衰弱情况,分析不同表型肥胖与多维衰弱及其不同维度的相关性。结果多因素logistic回归显示,调整潜在混杂因素后,以正常代谢体质量正常者(metabolic healthy normal weight,MHNW)为参照组,异常代谢超重肥胖(metabolic abnormal obesity,MAO)者和正常代谢超重肥胖(metabolic normal obesity,MHO)者的多维衰弱患病风险增高,比值比(odds ratio,OR)分别为(OR=1.66,95%CI:1.03~2.67)和(OR=1.53,95%CI:1.03~2.28),而MANW与MHNW多维衰弱比较差异无统计学意义(OR=1.34,95%CI:0.87~2.07,P=0.189)。Logistic回归分析显示,在调整潜在混杂因素后,MHO人群身体衰弱患病率为MHNW的1.72倍(OR=1.72,95%CI:1.01~2.23,P=0.044),而心理衰弱(OR=1.12,95%CI:0.56~2.26,P=0.454)、社会衰弱(OR=1.53,95%CI:0.77~3.04,P=0.229)与不同代谢肥胖表型间均无相关性。结论老年人代谢肥胖表型中MHO与MAO表型可增加其多维衰弱的风险,MHO增加身体衰弱的风险,但代谢肥胖与多维衰弱之间的关系还需进一步证实。
