N2-foam-assisted CO2 huff-n-puff process for enhanced oil recovery in a heterogeneous edge-water reservoir: experiments and pilot tests

Author:

Hao Hongda123ORCID,Hou Jirui123,Zhao Fenglan123,Huang Handong123,Liu Huaizhu45673

Affiliation:

1. China University of Petroleum

2. Beijing

3. China

4. Drilling & Production Technology Research Institute

5. Jidong Oilfield Company

6. CNPC

7. Tangshan

Abstract

Edge water and gas can be temporarily delayed with the assistance of stable N2 foam. The oil recovery enhanced by N2-foam-assisted CO2 huff-n-puff was twice that by pure CO2 huff-n-puff.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Reference50 articles.

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