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海上边际小油田受储量和规模的限制,油田开发效益是边际小油田开发的关键。同时进行采油与注水的一井多用技术满足了边际小油田开发的需要。本文介绍了一井多用技术的相关工具及施工应用,并详细分析了各自的性能特点。在BZ3-2边际小油田的成功应用,验证了一井多用技术的适应性,也开拓了边际油田的开发新模式,为后续边际油田的开发提供了参考借鉴。
Marginal offshore oilfields are limited by reserves and scale, and the benefits of oilfield development are the key to the development of marginal small oilfields. A multi-purpose technology for both oil recovery and water injection meets the needs of the development of marginal small oil fields. This paper introduces the related tools and construction application of a well multi-purpose technology, and analyzes its own performance characteristics in detail. The successful application of BZ3-2 marginal small oilfield has verified the adaptability of multi-use technology in a well and opened up a new mode for the development of marginal oilfields, which provides reference for the development of the marginal oilfield in the future.