The Outlook for China's Tight Oil Reservoir Stimulation Concept and Technology

doi:10.11885/j.issn.1674-5086.2015.03.25.21

Abstract

Abstract: China has tremendous unconventional tight oil resources which are widely distributed in lots of petroliferous basin. However, unlike those in North-America, all the tight oil reservoirs discovered in China belong to continental sedimentation, with interbedded formation, worse reservoir physical properties and less oil reserves per unit volume, which makes it much harder to stimulate. Due to the limitation of stimulation technology and concept, there is no large-scale exploitation of China's tight oil reservoirs. To solve this problem, based on the thorough analysis of successful stimulation experience in North-America, and combined with the characteristic of China's tight oil reservoir, stimulation difficulty was analyzed and development direction of large-scale exploitation was discussed. Analysis showed that the critical factors of successful stimulation in foreign tight oil fields were the better stimulation formation condition and the application of fast drilling technics and multi-stage and multicluster fracturing technics. Researchers should continue researches about geomechanics and extension mechanism, etc, break through the inertial thinking, explore new stimulation patterns, learn and digest international advanced technology, and establish agent technology suitable for China's tight oil reservoirs, so as to realize large-scale exploitation with the minimum cost and the maximum effect.

Key words: tight oil, stimulation concept, stimulation technology outlook, horizontal well, reservoir stimulation

CLC Number:

TE355

ZHAO Liqiang, MU Mei, LUO Zhifeng, LIU Pingli, ZOU Dongli. The Outlook for China's Tight Oil Reservoir Stimulation Concept and Technology[J]. 西南石油大学学报(自然科学版), 2016, 38(6): 111-118.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2015.03.25.21

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2016/V38/I6/111

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