Application of geology and engineering integration in the intensive well construction on a large platform: a case study on Xinli III block, Jilin Oilfield

doi:10.3969/j.issn.1672-7703.2017.01.002

Abstract

Abstract: At present, low-quality resource is a common issue for oil and gas exploration and development in all oilfields, especially the Jilin oilfield. Due to the dual effect of low oil price and down-grading resource quality, beneficial productivity construction is more and more difficult while available productivity scale shrinks significantly. In order to deal with these challenges, the strategy of “enhancing the production and recovery percent, and reducing the investment and cost” was proposed in reference to the successful tight oil and gas development in North America. The concept of geology and engineering integration was applied to the conventional low-permeability oil reservoirs in the Xinli III block, the Jilin oilfield, and the intensive productivity construction mode was established. Moreover, a series of unconventional technologies and practices were actually used in the Jilin oilfield, including reservoir volume fracturing, unconventional energy supplement and factory-like operation. Compared with the conventional productivity construction mode, the intensive productivity construction mode is more remarkable in enhanding the production and fracture-controlled reserves and reducing the investment and operation costs. This mode is further promoted in the development of tight oil. It is indicated that, after the potential and technical systems of low-permeability oil reservoirs are re-understood sufficiently, the rational application of geology and engineering integration and unconventional technologies is inevitable for the beneficial productivity construction currently and even in the future.

Key words: geology and engineering integration, intensive, volume fracturing, factory-like, unconventional

CLC Number:

TE348

Wang Feng, Li Xingke, Zhang Ying'an. Application of geology and engineering integration in the intensive well construction on a large platform: a case study on Xinli III block, Jilin Oilfield[J]. China Petroleum Exploration, 2017, 22(1): 6-11.

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