New progresses, prospects and countermeasures of natural gas exploration in the Ordos Basin

doi:10.3969/j.issn.1672-7703.2019.04.002

Abstract

Abstract: The Ordos Basin has always been one of the key oil & gas exploration and development areas in China. And in the Ordos Basin, some important oil and gas fields have been discovered. As the exploration continues, the exploration objects turn to the areas with complex hydrocarbon accumulation conditions, e.g. tight zones, deep zones and basin peripheries, and the difficulty in searching for new large-scale monoblock reserves increases. The Changqing Oilfield Company’s new cognitions and progresses in the fields of tight sandstone gas and marine carbonate gas in recent years were summarized systematically, and the main geological characteristics and control factors of different types of gas reservoirs in the Ordos Basin were analyzed. Then, based on the distribution situations of oil and gas resources and the basic characteristics of newly discovered gas reservoirs, the “two-step” development strategy of Changqing Oilfield Company was put forward scientifically. In addition, the future exploration replacement fields of carbonate gas, tight sandstone gas and unconventional natural gas (tight sandstone gas excluded) were pointed out. Finally, in view of the problems in the process of exploration and development, the corresponding countermeasures were formulated systematically by combining with production practice closely. In this way, the geologic researches are strengthened, the working concept is transformed actively, the technical researches were reinforced and the exploration-development integration and the geology-engineering integration are promoted so as to realize the large-scale efficient exploration and development of natural gas and provide the experience and reference for the exploration and development of similar basins.

CLC Number:

Fu Jinhua, Fan Liyong, Liu Xinshe, Hu Xinyou, Li Jihong, Ji Haikun. New progresses, prospects and countermeasures of natural gas exploration in the Ordos Basin[J]. China Petroleum Exploration, 2019, 24(4): 418-430.

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