山东国土资源
山東國土資源
산동국토자원
LAND AND RESOURCES IN SHANGDONG PROVINCE
2012年
6期
1-5
,共5页
中二叠世%古地理恢复%层序地层%临清坳陷
中二疊世%古地理恢複%層序地層%臨清坳陷
중이첩세%고지리회복%층서지층%림청요함
Middle Permian%Paleogeographic reconstruction%sequence stratigraphy%Linqing depression
临清坳陷是一个中一新生代的断陷盆地，多期断层活动、多套生储盖组合、多种圈闭类型的地质条件，决定了临清坳陷可形成多类型的油气藏，具有良好的油气勘探前景。以临清坳陷中二叠世沉积地层为主要研究对象，观察钻井取心，详细分析测井标志，建立等时地层格架，基于等时地层格架进行古地理的恢复。研究表明，研究区共划分为2个层序，层序1为河控浅水三角洲环境，层序2过渡为内陆河流环境，对该区的勘探工作及勘探实践具有重要的理论和现实意义。
臨清坳陷是一箇中一新生代的斷陷盆地，多期斷層活動、多套生儲蓋組閤、多種圈閉類型的地質條件，決定瞭臨清坳陷可形成多類型的油氣藏，具有良好的油氣勘探前景。以臨清坳陷中二疊世沉積地層為主要研究對象，觀察鑽井取心，詳細分析測井標誌，建立等時地層格架，基于等時地層格架進行古地理的恢複。研究錶明，研究區共劃分為2箇層序，層序1為河控淺水三角洲環境，層序2過渡為內陸河流環境，對該區的勘探工作及勘探實踐具有重要的理論和現實意義。
림청요함시일개중일신생대적단함분지，다기단층활동、다투생저개조합、다충권폐류형적지질조건，결정료림청요함가형성다류형적유기장，구유량호적유기감탐전경。이림청요함중이첩세침적지층위주요연구대상，관찰찬정취심，상세분석측정표지，건립등시지층격가，기우등시지층격가진행고지리적회복。연구표명，연구구공화분위2개층서，층서1위하공천수삼각주배경，층서2과도위내륙하류배경，대해구적감탐공작급감탐실천구유중요적이론화현실의의。
Linqing depression is a Mesozoic- Cenozoic depression basin, geological conditions, such as multi - stage activities, several sets of combinations of reservoirs, several types of traps determine that Linqing depression basin could form a variety of oil and gas reservoirs. It has good prospects for oil and gas exploration. In this paper, setting middle Permian sedimentary strata in Linqing depression as the study object, through analysis on detailed of well drilling and logging signs, an isochronai stratigraphic frame has been set up. Ancient geography has been recovered based on isochronai stratigraphic frame. As showed by the study result, this area can be divided into two sequences. No. 1 sequence is river controlling shallow water delta environment, while No. 2 sequence transferred to inland river environment. It is important theoretical and practical significance for exploration work and practices.
