Some Considerafions about Soak Time by Steam Stimulation Process

Xinjiang Petroleum Geology ›› 2006, Vol. 27 ›› Issue (4): 463-465.

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Some Considerafions about Soak Time by Steam Stimulation Process

ZENG Yu-qiang¹, LIU Shu-zhi¹, SUN Ai-yin¹, LI Hong-chang², ZHANG Jin-liang¹

1. Southwest Petroleum University, Chengdu, Sichuan 610500, China;
2. No.1 Production Plant, Changqing Oilfield Company, PetroChina, Yan'an, Shaanxi 717408, China

Received:2005-08-11 Revised:2005-09-19 Online:2006-08-01 Published:2020-10-19

Abstract

Abstract: Shut-in for soaking is an indispensable process during steam stimulation. For a long period of time, the determination of soak time relies on field experiences without a theoretic basis. In addition, the effect of soak time on heated radius is not well understood. This paper presents the calculation formula for determination of reasonable soak time and heated radius at end of soaking by analysis of changes of oil layer and steam energy during soaking period, based on basic theories of reservoir engineering and heat transfer. This new consideration is of positive theoretical meaning to re-understand the steam-soak process.

Key words: steam stimulation, exploitation, soak time

CLC Number:

TE345

ZENG Yu-qiang, LIU Shu-zhi, SUN Ai-yin, LI Hong-chang, ZHANG Jin-liang. Some Considerafions about Soak Time by Steam Stimulation Process[J]. Xinjiang Petroleum Geology, 2006, 27(4): 463-465.

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Some Considerafions about Soak Time by Steam Stimulation Process

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