蒸汽吞吐加密开发边界技术界限研究

A Study of Infill Development Boundary in Huff and Puff

本文针对克拉玛依油田和红山嘴油田的稠油开发现状 ,在分析吞吐生产特征和加密适应性的基础上 ,从地质和油藏工程的角度 ,研究总结了吞吐后期加密井的边界技术界限 ,制定了加密筛选标准 。

Due to the backup resource shortage of heavy oil to be developed,the poor benefits of new region productivity,and the more difficult stable production,especially a lot of developed regions in late development period of huff and puff,low production,injection ratio,low recovery precent of reservoir,low produced oil to injected steam ratio,all these elements result in the effectiveness of steam-flooding is not satisfactory.The researchers and practisers in recent years show that drilling infill adjustment wells is an effective measure for improving producing percent of reservoirs and production effectiveness of old reservoirs. Aiming to the present development situation of heavy oil reservoir in Karamay and Hong Shan Zui oilfield.On analysis of production characteristics and infill adaptability.this article summarizes the results of infill well boundary in late period of huff and puff,proposes the standard of infill project sieving and afford the basis for the infill adjustment of old heavy oil reservoirs in future.