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非常规油气作为常规油气的战略补充能源,在全球能源结构中起着越来越重要的作用。TG油田在下第三系沙河街组发现了泥岩与泥质白云岩薄互层的非常规油藏,通过压裂改造,获得高产,揭开了渤海湾地区非常规油藏勘探开发的序幕。通过TG油田非常规油藏的成藏机理、储层特征及评价开发技术对策的初步探讨,指导TG油田非常规油藏的评价开发,为渤海湾地区湖湘页岩及致密碳酸岩盐非常规资源的勘探、开发奠定了基础。
Unconventional oil and gas are strategic complementary energy sources for conventional oil and gas and play an increasingly important role in the global energy structure. TG unconventional reservoirs with thin interbedded mudstone and argillaceous dolomite were found in the Lower Third Tertiary Shahejie Formation. Through fracturing, high yield was obtained and the prelude of exploration and development of unconventional reservoirs in the Bohai Bay area was opened. Based on the preliminary study of unconventional reservoirs in the TG oilfield, reservoir characteristics and reservoir evaluation and technical measures, the evaluation and development of unconventional reservoirs in the TG oilfield are instructed to provide scientific basis for the development of the Hugh shale and unconventional carbonate rock resources in the Bohai Bay area The exploration and development laid the foundation.