STUDY ON WELL PATTERN ADJUSTMENT METHOD OF FRACTURED LOW-PERMEA-BILITY OIL RESERVOIR

西南石油大学学报(自然科学版) ›› 2011, Vol. 33 ›› Issue (2): 109-114.

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STUDY ON WELL PATTERN ADJUSTMENT METHOD OF FRACTURED LOW-PERMEA-BILITY OIL RESERVOIR

GAO Ming ^1,2 SONG Kao-ping ³ ZHANG Ying-zhi ⁴ YANG Er-long ³ WANG Wei-guo ⁴

（1. State Key laboratory of Enhanced Oil Recovery, Research Institute of Petroleum Exploration and Development, CNPC, Haidian,Beijing 100083,China; 2. MOE Key Laboratory on Enhanced Oil and Gas Recovery, Northeast Petroleum University, Daqing, Heilongjiang 163318, China 3. The Research Institute of Petroleum Exploration and Development, CNPC, Haidian，Beijing 100083, China 4. Yushulin Oilfield Co. Ltd., Daqing Oilfield Company, CNPC,Zhaodong，Heilongjiang 151100, China）Journal of Southwest Petroleum University, Vol. 33, No. 2, 109 – 114,2011（1674 – 5086，in Chinese）

Received:1900-01-01 Revised:1900-01-01 Online:2011-04-20 Published:2011-04-20

Abstract

Abstract: Based on the fracture development characteristics and water flooding development performance of Fuyang Formation in Dong16 Block of Daqing Yushulin Oilfield and combined with the saturation distribution of remainin
oil in present Block, the effect of fracture on remaining oil distribution and the development effect is analyzed, which provides evidence for the injection-production system adjustment. According to the characteristics of Fault Block
Dong160 and Fault Block Sheng371, 4 sets of infill programs are designed and the development prediction index is optimized. The results show that fracture is in the same direction with well line in Fault Block Dong160 and effective
displacement can not be established between oil and water well lines, so the well spaces should be shorten. After infilling wide spacing and small row spacing the linear water injection is formed. In Fault Block Sheng371 fracture
direction is at the angel of 12.5? to well line direction and effective displacement can be established between oil and water well lines. The optimized Program 4 in which the triangular gravity infilling is selected to change flow field direction is more beneficial to exploit remaining oil enriched areas.

Key words: low permeability reservoir, fractured reservoir, numerical simulation, distribution of residual oil, wellpattern adjustment

CLC Number:

TE348

GAO Ming;SONG Kao-ping ZHANG Ying-zhi YANG Er-long WANG Wei-guo . STUDY ON WELL PATTERN ADJUSTMENT METHOD OF FRACTURED LOW-PERMEA-BILITY OIL RESERVOIR[J]. 西南石油大学学报(自然科学版), 2011, 33(2): 109-114.

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STUDY ON WELL PATTERN ADJUSTMENT METHOD OF FRACTURED LOW-PERMEA-BILITY OIL RESERVOIR

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