石油实验地质2011，Vol.33Issue(3)：307-309,313,4.
琼东南盆地南部中新统生物礁的识别
Identification of reef in Miocene, south of Qiongdongnan Basin
张永贵 1宋在超 2周小进 2武丽 1张玺科 1冉静1
作者信息
- 1. 中国石油化工股份有限公司石油勘探开发研究院,北京100083
- 2. 中国石油化工股份有限公司石油勘探开发研究院无锡石油地质研究所,江苏无锡214151
- 折叠
摘要
Abstract
The southern part of the Qiongdongnan Basin was suitable for reef generation when the Meishan Formation deposited during Miocene. Seismic data collected in this region during the past few years have indicated that the Meishan Formation is characterized by typical mound reflection, mainly on ancient uplifts. The formation is flat at the bottom and convex at the top. There is clear boundary between top and bottom. The reflection is strong. Progradational or random reflection exists in the formation, while on the 2 flanks there is onlapping, and on the top there is drape. The wave impendence value is (8-10) X 106 kg/(m2 · s). The formation is regarded as reef according to present studies. Comparisons between reef and mud structure have been carried out based on the studies of regional sedimentary background, mound structure generation location and seismic reflection characteristics, indicating that it is impossible for shale diapire generation in the formation.关键词
地震反射特征/泥底辟/生物礁/中新统/琼东南盆地Key words
seismic reflection characteristics! Shale diapire/ reef /Miocene/ Qiongdongnan Basin分类
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张永贵,宋在超,周小进,武丽,张玺科,冉静..琼东南盆地南部中新统生物礁的识别[J].石油实验地质,2011,33(3):307-309,313,4.
