Numerical Simulation of Preventing Formation Contamination About the
Circulating Foam Drilling and Completion Fluid

doi:10. 3863/j. issn. 1674 – 5086. 2013. 05. 020

Abstract

Abstract:

It is difficult to observe the circulating foam drilling and completion fluid underground in actual production. In
order to simulate the hydrocarbon reservoir protection mechanism，a reasonable strata simplified model of pore is established
to analyze how to prevent formation contamination under the bottomhole circulating foam drilling and completion fluid with
the numerical simulation. Results show that the air bubble of circulating foam drilling and completion fluid can go into the
formation，and effectively prevent the drilling fluid from getting into the formation and damaging the reservoir. Furthermore，
by testing in the site，it is proved that the circulating foam drilling completion fluid can be used to protect the reservoir rock and
reduce the formation damage.

Key words: circulating foam drilling and completion fluid, formation contamination, reservoir protection, mechanism,
numerical simulation

Zhang Bin1, Huang Jianxi2, Cao Jiayi3. Numerical Simulation of Preventing Formation Contamination About the
Circulating Foam Drilling and Completion Fluid[J]. 西南石油大学学报(自然科学版), DOI: 10. 3863/j. issn. 1674 – 5086. 2013. 05. 020.

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