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面138井区属浅层稠油油藏,采用蒸汽吞吐开发。为满足产量要求,热采轮次不断增加,但油井多轮热采效果整体呈下降趋势。对此,积极开展新工艺辅助热采,提高多轮热采效果十分显著。本文通过对历年该井区热采工艺应用的分析,总结其取得的效果及存在问题,为下步热采工艺辅助提高多轮热采效果提供一定依据。
Area 138 wells are shallow heavy oil reservoirs, the development of steam huff and puff. In order to meet the production requirements, thermal recovery rounds are increasing, but the overall well thermal recovery results show a downward trend. In this regard, actively carry out new technology to assist thermal recovery, improve the effect of multiple rounds of thermal recovery is very significant. Based on the analysis of the application of thermal recovery technology in the well area over the years, the paper summarizes the obtained results and existing problems, and provides some evidences for the next step of thermal recovery process to enhance the effect of multi-round thermal recovery.