洼38块蒸汽驱开发技术研究

Research on steam flooding in Wa-38 block

以小洼油田洼38块东三段油层蒸汽驱先导试验为例,分析了深层特稠油油藏蒸汽驱采用常规反九点井网开发存在的技术瓶颈,提出高干度注汽、"以采定注"、"回字型"井网设计等改善深层特稠油蒸汽驱开发效果的新思路,对于同类油藏开发有参考价值。

Taking east 3rd member of Wa-38 block as an example of steam flooding test, the bottleneck of steam flooding with in？versed nine-spot well pattern in deep extra heavy oil reservoir were analyzed. Some new ideas such as high dryness fraction, injec？tion optimization according to the production, homocentric squares shaped well pattern and so on were proposed to improve the ef？fects. The results provide reference to the development of similar reservoirs.