Lithologic Reservoirs ›› 2011, Vol. 23 ›› Issue (4): 119-123.doi: 10.3969/j.issn.1673-8926.2011.04.022

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Study on effective method for development of heavy oil reservoir with high wax content in Jilin Oilfield

CHENG Jingbo   

  1. Research Institute of Exploration and Development， Jilin Oilfield Company， PetroChina， Songyuan 138000， China
  • Online:2011-08-20 Published:2011-08-20

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Abstract:

Coil field is shallow heavy oil reservoir discovered recently in Jilin Oilfield. Due to the shallow burial depth, the reservoir temperature and pressure are low, the crude oil fluidity is poor, and the reservoir suffers easily wax precipitation code damage during the production process, which makes the low deliver ability, even no deliver ability.That seriously affects the normal production of oilfield and restricts the effective development of reserves in the area. In viewof this situation, crude oil wax precipitation experiment, physical simulation experiment and numerical simulation of thermal recovery are carried out. It is defined that the key for effective development is to increase the formation temperature, to maintain reservoir pressure and to prevent crude oil wax precipitation. Combined with the development effectiveness of the steam stimulation, steam flood and fire flood, it is defined that hot water drive can be used to most resources and fire flood can be used in local district with low temperature and high wax content.

Key words: basement, igneous rocks, granites, zircon dating, Yitong Basin

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