陆相盆地隐蔽油气藏综合勘探方法与应用初探

doi:10.11743/ogg20060119

摘要/Abstract

摘要：

隐蔽油气藏综合勘探方法是层序地层学框架下的多学科综合研究,应以信息集成系统为平台,分为基础资料整理、区域综合评价和目标预测3个阶段进行。基础资料整理应建立信息平台,以实现多源数据和成果的集成化管理;区域综合评价可分为区域性等时层序地层格架建立、沉积体系和隐蔽圈闭特征研究、隐蔽油气藏成藏规律研究、隐蔽油气藏空间分布预测和评价等步骤进行,以阐明隐蔽油气藏的类型、特征、形成条件和空间分布;目标预测分工区选择、高精度层序格架对比、隐蔽圈闭识别和描述、隐蔽圈闭合油气性评价等步骤进行,以识别和评价隐蔽油气藏并最终提供钻探目标。信息集成系统可基于组件式地理信息系统(COM GIS)开发,并具备油气勘探成果信息和多学科数据的集成化管理、研究成果的综合表达与应用及海量数据的挖掘等功能。苏北盆地金湖凹陷戴南组的隐蔽油气藏研究表明了综合勘探方法的实用性和有效性。

关键词: 隐蔽油气藏, 综合勘探, 信息集成系统, 金湖凹陷, 苏北盆地

Abstract:

Integrated exploration of subtle reservoirs is a multidisciplinary research work under the framework of sequence stratigraphy with the information integration system as the platform, which can be performed in three stages, including basic data compilation, regional comprehensive evaluation and target prediction. In the basic data compilation stage, an information platform should be built to realize integrated management of multiple source data and achievements. The regional comprehensive evaluation should be carried out in the following steps, including the building of a regional isochronal sequence stratigraphic framework, study of the characteristics of sedimentary system and subtle traps, study of the reservoiring pattern of subtle reservoirs, and prediction and evaluation of the spatial distribution of subtle reservoirs, so as to illustrate the types, features, forming conditions and spatial distribution of the subtle reservoirs. Target prediction should be performed in steps including selection of the working area, high accuracy correlation of sequential framework, recognition and characterization of subtle traps and evaluation of oil/gas-bearing properties of subtle traps, so as to recognize and evaluate subtle reservoirs and finally determine the targets for exploration drilling. The information integration system can be developed on the basis of the COM GIS system and should have the functions of integrated management of petroleum exploration information and multidisciplinary data, comprehensive presentation and application of research achievements, as well as tapping mass data. Application of the integrated exploration methodology in the research of subtle reservoirs in Dainan Fm of Jinhu sag, Subei basin, shows that it is practical and effective.

Key words: subtle reservoir, integrated exploration, information integration system, Jinhu sag, Subei basin

中图分类号:

TE19

吴东胜,扬申谷,刘少华. 陆相盆地隐蔽油气藏综合勘探方法与应用初探[J]. 石油与天然气地质, 2006, 27(1): 118-123. doi: 10.11743/ogg20060119 Wu Dongsheng,Yang Shengu,Liu Shaohua. Preliminary approach to the integrated exploration method of subtle reservoirs in non-marine basin and its application[J]. Oil & Gas Geology, 2006, 27(1): 118-123. doi: 10.11743/ogg20060119

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