Liaohe Leijia In Lacustrine Carbonate Dense Oil Reservoir Research And Target Optimization

Dense oil exploration research at home and abroad is gradually deep, dense oil research has been defined in the dense oil reservoir characteristics, oil accumulation rule, dense characteristics and resource evaluation has made some achievements, such as the dense oil exploration for the further good solid foundation.This article analysis and research the lacustrine carbonate dense oil reservoir research methods, and choose the suitable for lacustrine carbonate dense oil reservoir prediction method. In liaohe depression ray home in shahejie formation of lacustrine carbonate rocks, four section high exploration degree, the early use of conventional exploration methods effect is not ideal. Recent carbonate exploration multi-port single-well industrial oil flow, shows the exploration potential of the region, but there are still hard to predict reservoir and output of oil and gas distribution is not clear and unstable problem. Around the drilling and production requirements, focusing on four Du Jiatai reservoir group, out of the thinking pattern of conventional oil and gas exploration in accordance with the idea of lacustrine carbonate dense oil research. Four main purpose interval for sand du1, du2, du 3and promotion four oil group, through analysis of predecessors’ research results, using 3 d seismic data with high density, using the known seismic, core and logging data, combined with the tectonic background and depositional environment, establish the thunder home district Chen jia- cold home in four unify the isochronous stratigraphic framework, on the basis of fine structure interpretation, restoring the ancient landscape, depicting the oil group of sedimentary characteristics, and through the effective technical means, such as the pre-stack inversion technique and so on at the same time, to the oil group of lithology, physical property, oiliness, rock brittleness and fracture of five technology to carry out the favorable reservoir, a comprehensive study to find "advantage lithology, physical properties are relatively good, good rock brittleness and fracture development" of the advantages of the reservoir area, puts forward deployment plan, good exploration results have been achieved.