FEASIBILITY RESEARCH ON THE VISCOSITYREDUCTING TECHNOLOGY FOR BOHAI HEAVY OIL BY AIRINJECTION CATALYTIC OXIDATION

doi:10.3863/j.issn.1000-2634.2008.06.034

西南石油大学学报(自然科学版) ›› 2008, Vol. 30 ›› Issue (6): 141-144.DOI: 10.3863/j.issn.1000-2634.2008.06.034

• 油气化学工程与化工 • Previous Articles Next Articles

FEASIBILITY RESEARCH ON THE VISCOSITYREDUCTING TECHNOLOGY FOR BOHAI HEAVY OIL BY AIRINJECTION CATALYTIC OXIDATION

TANG Xiao-dong^1,2 CUI Ying-xian² MENG Ke-quan² ZHOU Yu-liang³ LUO Xiaohui³

1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation，Southwest Petroleum University，Chengdu Sichuan 610500，China；2.College of Chemistry and Chemical Engineering，Southwest Petroleum University，Chengdu Sichuan 610500，China；3.Tuha Oilfield Company，CNPC，Shanshan Xinjiang 838202，China

Received:1900-01-01 Revised:1900-01-01 Online:2008-12-20 Published:2008-12-20

Abstract

Abstract: Explorative experiment of airinjection oxidation is carried out for SZ361 heavy oil through examining the acid value of the oxidated heavy oil and the change of O2 content in produced gas，and the mechanics of airinjection catalytic oxidation oil displacement are further confirmed.The technology is feasible which is confirmed in theory and technology.The results of explorative experiment show that the content(bulk fraction) of O2 in produced gas is 2.5% when heavy oil is oxidated for 5 days，the catalytic oxidation effect for heavy oil is obvious.Under the experimental conditions，50g heavy oil，the volume ratio of catalyst and oil 1.4%，air pressure 0.7MPa，90℃，48h，60% H2O and 300r/min，the viscosity of offshore heavy oil decreases from 2004mPa?s to 100mPa?s，viscosity reduction ratio of it reaches to 95.0%.

Key words: airinjection, catalytic oxidation, heavy oil, viscosityreducting recovery, feasibility research

CLC Number:

TE357.7

TANG Xiao-dong;CUI Ying-xian MENG Ke-quan ZHOU Yu-liang LUO Xiaohui . FEASIBILITY RESEARCH ON THE VISCOSITYREDUCTING TECHNOLOGY FOR BOHAI HEAVY OIL BY AIRINJECTION CATALYTIC OXIDATION[J]. 西南石油大学学报(自然科学版), 2008, 30(6): 141-144.

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FEASIBILITY RESEARCH ON THE VISCOSITYREDUCTING TECHNOLOGY FOR BOHAI HEAVY OIL BY AIRINJECTION CATALYTIC OXIDATION

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