老区富油凹陷“五精一创”勘探实践与启示

摘要/Abstract

摘要： 中国东部断陷盆地富油气凹陷油气成藏条件优越，历经40 多年的规模油气勘探，已属高勘探程度老探区，勘探目标越来越隐蔽，勘探发现难度越来越大，但剩余资源依然丰富，仍是发现规模油气储量的重要方向。立足资源基础，针对制约老探区油气勘探的领域性地质认识、勘探目标落实、含油气性预测、勘探管理等关键问题，探索形成了高勘探成熟老探区精研细究、精雕细刻、精查细找、精耕细作、精筛细选和创新管理的“五精一创”勘探方法，并以霸县凹陷牛东超深超高温潜山油藏、饶阳凹陷蠡县斜坡弱构造斜坡带地层岩性油藏、廊固凹陷大柳泉复杂构造油气藏以及二连盆地新凹陷——阿尔凹陷等油气勘探为例，对“五精一创”进行了全面阐述。勘探实践证明，“五精一创”勘探经验与启示对推动东部老区富油气凹陷深化勘探、实现持续规模增储，具有一定的借鉴意义。

关键词: 富油凹陷, 精细勘探, 隐蔽型潜山, 弱构造斜坡, 复杂构造区, 勘探管理

Abstract: Oil-rich sags in fault basins in East China, have favorable conditions for hydrocarbon accumulation. Over 40 years of extensive exploration, these sags can be classified as matured areas with high degree of exploration. The subtler exploration targets become more and more difficult to be identified and discovered. However, since these sags still contain large quantities of remaining resources, they are still promising zones for revealing large-scale oil and gas reserves. Based on existing resources, a series of delicate and innovative exploration practices including detailed studies, fine description, intensive searching, meticulous operations, careful selection and innovative management have been developed to enhance geologic understanding, to verify exploration targets, to forecast the hydrocarbon potential, and to achieve high-efficiency management over relevant exploration operations in matured areas. In this paper, these exploration practices are presented with the Niudong ultra-deep and ultra-high temperature buried hill oil reservoir in the Baxian sag, the stratigraphic lithologic oil reservoir in weak structural belt of the Lixian slope in the Raoyang sag, the Daliuquan complex structural reservoir in the Langgu sag, and the reservoir in the Aer sag (a newly discovered sag in the Erlian Basin) as examples. It is concluded that these delicate and innovative exploration practices provide valuable guidances for further exploration and continuous reserve enhancement within matured areas in East China.

Key words: oil-rich sag, fine exploration, subtle buried hill, weak structural slope, complex structural area, innovative exploration management

赵贤正, 田福清, 王权, 范炳达, 董雄英, 赵淑芳, 崔伟, 惠平. 老区富油凹陷“五精一创”勘探实践与启示[J]. 中国石油勘探, 2016, 21(6): 1-8.

Zhao Xianzheng, Tian Fuqing, Wang Quan, Fan Bingda, Dong Xiongying, Zhao Shufang, Cui Wei, Guo Huiping. Application and performance of delicate and innovative exploration practices in oil-rich sags of matured areas[J]. China Petroleum Exploration, 2016, 21(6): 1-8.

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