WELL PATTERN OPTIMIZATION ADJUSTMENT FOR LOW PERMEABILITY OILFIELD

doi:10.3863/j.issn.1000-2634.2007.04.16

西南石油大学学报(自然科学版) ›› 2007, Vol. 29 ›› Issue (4): 67-69.DOI: 10.3863/j.issn.1000-2634.2007.04.16

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

WELL PATTERN OPTIMIZATION ADJUSTMENT FOR LOW PERMEABILITY OILFIELD

CAO Ren-yi CHENG Lin-song XUE Yong-chao et al

College of Petroleum Engineering, China University of Petroleum, Changping Beijing 102249, China

Received:2006-09-22 Revised:1900-01-01 Online:2007-08-20 Published:2007-08-20
Contact: CAO Ren-yi

Abstract

Abstract: Aimed at the proplems exsiting in the process of the low permeabile reservoir production, the feasibility and the best adjustment moment of rhombus ninespot well pattern transformation and infilling are studied with a Changqing oilfield′s block with the ubiquitous problems in low permeability oilfield development. The results show: with rhombus ninespot well pattern transformed to cross row well pattern, development is obviously improved and the opportune moment is at the moment of water content 75%; With center infilling well converted after 2 years in rhombus ninespot well pattern, the oil production rate and recovery are improved; the best time for infilling to convert to injecting is after 2 years′ production. The optimal scheme for involved block is high oil remaining location infilled in 2007 and infilled well converted in 2009. The findings provide the technical reference for middle and later period adjustment of similar reservoirs.
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Key words: low permeability, well pattern transformation, infilling well, conversion well, opportune adjustment moment

CLC Number:

TE33

CAO Ren-yi CHENG Lin-song XUE Yong-chao et al. WELL PATTERN OPTIMIZATION ADJUSTMENT FOR LOW PERMEABILITY OILFIELD[J]. 西南石油大学学报(自然科学版), 2007, 29(4): 67-69.

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WELL PATTERN OPTIMIZATION ADJUSTMENT FOR LOW PERMEABILITY OILFIELD

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