复杂油气藏
複雜油氣藏
복잡유기장
COMPLEX HYDROCARBON RESERVOIRS
2012年
3期
23-26,40
,共5页
王少奇%唐洪%苏鸣久%谢林%陈忠云%赵飞
王少奇%唐洪%囌鳴久%謝林%陳忠雲%趙飛
왕소기%당홍%소명구%사림%진충운%조비
碳酸盐岩%石炭系黄龙组%沉积相%川东北五灵山-蒲包山
碳痠鹽巖%石炭繫黃龍組%沉積相%川東北五靈山-蒲包山
탄산염암%석탄계황룡조%침적상%천동북오령산-포포산
carbonate rock%Huanglong Formation of Carboniferous%sedimentary facies%Pubaoshan - Wulingshan area
五灵山-蒲包山地区在石炭纪时期,主要为潮坪-浅海泻湖沉积环境。依据岩石学、古生物学以及测井相综合分析,得出研究区主要发育有三种亚相,并可细分为七种微相,三种亚相为潮上带、潮问-潮下带和泻湖相;而潮上带又可分为泥(膏)云坪和潮池二个微相,潮间-潮下带分为颗粒滩和滩间泻湖二种微相,泻湖相又可分为泻湖浅滩和灰质泻湖两个微相。研究区随着海侵的继续,从蒸发潮坪到局限台地,再往开阔台地过渡。沉积相的研究为进一步勘探与开发提供了良好的科学依据。
五靈山-蒲包山地區在石炭紀時期,主要為潮坪-淺海瀉湖沉積環境。依據巖石學、古生物學以及測井相綜閤分析,得齣研究區主要髮育有三種亞相,併可細分為七種微相,三種亞相為潮上帶、潮問-潮下帶和瀉湖相;而潮上帶又可分為泥(膏)雲坪和潮池二箇微相,潮間-潮下帶分為顆粒灘和灘間瀉湖二種微相,瀉湖相又可分為瀉湖淺灘和灰質瀉湖兩箇微相。研究區隨著海侵的繼續,從蒸髮潮坪到跼限檯地,再往開闊檯地過渡。沉積相的研究為進一步勘探與開髮提供瞭良好的科學依據。
오령산-포포산지구재석탄기시기,주요위조평-천해사호침적배경。의거암석학、고생물학이급측정상종합분석,득출연구구주요발육유삼충아상,병가세분위칠충미상,삼충아상위조상대、조문-조하대화사호상;이조상대우가분위니(고)운평화조지이개미상,조간-조하대분위과립탄화탄간사호이충미상,사호상우가분위사호천탄화회질사호량개미상。연구구수착해침적계속,종증발조평도국한태지,재왕개활태지과도。침적상적연구위진일보감탐여개발제공료량호적과학의거。
In the Carboniferous period,the Pubaoshan -Wulingshan area is mainly the tidal flat - neritic continental depositional environment. Based on the comprehensive analysis of petrology, paleontology and electrofaeies, the stduy area can be divided into three kinds of the parfacies which also can be subdivided into seven microfaeies. The parfacies consist of supratidal zone, intertidal - subtidal zone and lagoon phase. The supratidal zone can be divided into two microfacies of mud or paste YunPing and tide pool ; the intertidal - subtidal zone is divided into two microfaeies of shoal and intershoal la- goon;and lagoon phase can be divided into two microfacies:grain shoal and lagoon. With the process of transgression,the research area has transited from evaporation tidal fiat to restricted platform, and then to the open platform. The study of sed- imentary facies provides a good scientific basis for the further exploration and development.