NUMERICAL SIMULATION OF AIR INJECTION LOW TEMPERATURE OXIDATION IN LOW PERMEABILITY RESERVOIRS

doi:10.3863/j.issn.1000-2634.2008.06.028

西南石油大学学报(自然科学版) ›› 2008, Vol. 30 ›› Issue (6): 117-120.DOI: 10.3863/j.issn.1000-2634.2008.06.028

• 石油与天然气工程 • Previous Articles Next Articles

NUMERICAL SIMULATION OF AIR INJECTION LOW TEMPERATURE OXIDATION IN LOW PERMEABILITY RESERVOIRS

YU Hong-min¹ REN Shao-ran¹ YANG Bao-quan^1,2 ZUO Jing-luan¹ TANG Ru-zhong³

1.School of Petroleum Engineering，China University of Petroleum，Dongying Shandong 257061，China；2.China Offshore Oil Research Center，Beijing 100027，China；3.Oil Production Technology Research Institute of Shengli Oilfield Co.Ltd.，SINOPEC，Dongying Shandong 257000，China

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

Abstract

Abstract: This research investigates the feasibility of air injection LTO（low temperature oxidation）process for improved oil recovery(IOR) in low permeability reservoirs in Shengli Oilfield.Laboratory experiment on oil oxidation and reservoir unmerical simulation methods are used in the assessment for LTO and IOR mechanism analysis and sensitivity studies on various reservoirs and engineering parameters.Economic analysis is also conducted in comparison with N2 injection process in terms of IOR and field operation for Luo36 Block.The studies show that the influential factors in terms of incremental oil recovery and LTO reaction for the field ranked from air injection rate，reservoir temperature，remaining oil saturation，reservoir dip angle and to perforation locations.Compared with N2 injection，air injection can be an effective IOR option with low cost and high oil recovery for the low permeability reservoirs in the region.

Key words: low permeability, air injection, low temperature oxidation, improved oil recovery, numerical simulation, Shengli Oilfield

CLC Number:

TE357.7

YU Hong-min REN Shao-ran YANG Bao-quan;ZUO Jing-luan TANG Ru-zhong . NUMERICAL SIMULATION OF AIR INJECTION LOW TEMPERATURE OXIDATION IN LOW PERMEABILITY RESERVOIRS[J]. 西南石油大学学报(自然科学版), 2008, 30(6): 117-120.

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NUMERICAL SIMULATION OF AIR INJECTION LOW TEMPERATURE OXIDATION IN LOW PERMEABILITY RESERVOIRS

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