大庆石油地质与开发

2008, v.27;No.v.27(06) 69-71

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早期裂缝识别技术在低孔低渗油藏中的应用
Application of early fracture recognizing technique in low-porosity and low-permeability oil reservoir

夏国朝,孔凡华,朱从军
XIA Guo-chao~(1,2),KONG Fan-hua~3

摘要(Abstract):

为了改善低孔低渗油藏的开发效果,通常对区块进行整体压裂,现场重视的是压裂之后产生的好效果,而忽略了其产生的次生"灾害"和新矛盾。面对整体压裂之后产生的新矛盾,利用早期裂缝识别技术,开展区块井网布局和注采方案的重新设计,达到了减缓区块产量递减和提高采收率的目的。早期裂缝识别技术为"双低"油藏压裂后保持一个好的开发效果提供了技术支持。
In order to improve the development effects of low-porosity and low-permeability oil reservoirs,integrated fracturing is generally adopted for the block.Much better post-fracture effects are commonly emphasized in the field,but the induced"damages"and new contradictions are seriously neglected.For the new contradictions stated above,the redesigns of well pattern and injection-and-production program of the block are caught out with the help of early fracture recognizing technique and finally the aim of reducing production decline and enhancing oil recovery has been obtained. The technique has provided sound support for keeping favorite post-fracturing development results of this kind of"two-low"oil reservoirs.

关键词(KeyWords): 裂缝;压裂;低孔;低渗;坳陷;注采方案
fracture;fracturing;low porosity;low permeability;depression;injection-and-production program

Abstract:

Keywords:

基金项目(Foundation): 2002年中国石油天然气股份有限公司科技攻关项目“低渗透油田高效开采配套技术”(2002CX-特-01)部分成果

作者(Author): 夏国朝,孔凡华,朱从军
XIA Guo-chao~(1,2),KONG Fan-hua~3

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