克拉玛依油田七区八道湾组油藏水流优势通道研究

STUDY ON THE DOMINANT CHANNEL OF DISTRICT 7 BADAOWAN RESERVOIR IN KARAMAY OILFIELD

水流优势通道研究在二、三次采油中,对于注采井间连通性、水淹程度、层内、层间非均质性研究具有重要意义。七中东八道湾组油藏为一套砂砾岩加泥岩的沉积储集层,注水开发后,综合含水上升速度异常,各井组采出程度不均,为了识别八道湾组油藏水流优势通道,从油藏动静态入手,采用井间示踪剂研究方法,定性描述井间去水方向和速度,定量反演井间水流优势通道物性参数,给出平面、纵向优势通道发育方向和层位,对油田生产开发提供明确指导,最后根据井层通道类型调剖原则,提出调剖强度和用量设计,为油田后续调整挖潜提供可靠的依据。

The dominant water channel study has important meaning to Inter-well connectivity、water flood and reservoir heterogeneity in the tertiary exploiting field. Mid-East 7 Badaowan is a glutenite reservoir,so water increased fast and degree of reserve recovery was not equal after the injection. In order to identify dominant channel,We studied dynamic and static data of the reservoir,used test methods of interwell tracer,described the direction and speed between wells. After that,we can give the layer and type of channels by inverting the physical parameters of reservoir. The result can guide the development effectively in oilfield. We get the profile control design of the intensity and amount by the set principles,which provides a clear guidance and a reliable basis for the oil field follow-up adjustment of enhanced oil recovery.