Special Oil & Gas Reservoirs >

2020 , Vol. 27 >Issue 4: 105 - 112

DOI: https://doi.org/10.3969/j.issn.1006-6535.2020.04.016

Reservoir Engineering

Interlayer Development Patterns and SAGD Enhanced Oil Recovery Technology in the Super Heavy Oil Category-III Reservoir

  • Wang Qian ,
  • Gao Xianglu ,
  • Luo Chihui ,
  • Meng Xiangbing ,
  • Gan Shanshan ,
  • Liu Jia
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  • PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang 834000, China

Received date: 2019-12-23

  Revised date: 2020-04-22

  Online published: 2022-02-18

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Abstract

The Fengcheng super heavy oil reservoir is considered as a continental braided river facies deposit with well developed interlayers, especially the super heavy oil Grade-Ⅲ reservoir shows a strong heterogeneity, which results in low producing degree of lateral section, uneven steam chamber expansion and other serious problems during SAGD development and significantly influences the SAGD development performance. The interlayer development was summarized into 4 typical patterns based on the braided river reservoir development in the Fengcheng super heavy oil reservoir. The development morphology of SAGD steam chamber for the 4 typical patterns was analyzed and the corresponding technical countermeasures were proposed, including straight well assisted SAGD, multi-branch SAGD, reservoir stimulation and other technologies. A set of efficient SAGD development technology system for super heavy oil Grade-Ⅲ reservoir had been established and effectively applied in field development. This technology provides certain technical reference for the efficient development of low quality super heavy oil reservoir with SAGD and it worthy of promotion and application.

Key words： super heavy oil; heterogeneity; interlayer; SAGD; Fengcheng Oilfield

Cite this article

Wang Qian , Gao Xianglu , Luo Chihui , Meng Xiangbing , Gan Shanshan , Liu Jia . Interlayer Development Patterns and SAGD Enhanced Oil Recovery Technology in the Super Heavy Oil Category-III Reservoir[J]. Special Oil & Gas Reservoirs, 2020 , 27(4) : 105 -112 . DOI: 10.3969/j.issn.1006-6535.2020.04.016

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