成熟田

数据驱动策略最大限度提高成熟油田凝析油回收率

本文介绍了一种数据驱动的油井管理策略,该策略在保持油井产能的同时优化凝析油回收率。

图 1——气体速率与累计凝析油产量的敏感性研究结果。
图 1——气体速率与累计凝析油产量的敏感性研究结果。
来源:SPE 224936。

61号区块是阿曼西南部的一个天然气田。哈赞一期项目于2017年启动,二期项目于2020年启动。二期项目最初的目标是高凝析油/天然气比(CGR)井。项目初期,大量凝析油涌入,促使油井以更高的产量运行。然而,观察发现,这些更高的产量导致了凝析油产量的大幅下降。

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Mature fields

Data-Driven Strategy Maximizes Condensate Recovery in Mature Field

This paper describes a data-driven well-management strategy that optimizes condensate recovery while preserving well productivity.

Fig. 1—Sensitivity-study results of gas rate vs. cumulative condensate production.
Fig. 1—Sensitivity-study results of gas rate vs. cumulative condensate production.
Source: SPE 224936.

Block 61 is a gas field in southwest Oman. The Khazzan Phase 1 project was initiated in 2017; the Khazzan Phase 2 project began in 2020. The Phase 2 project initially targeted high condensate/gas ratio (CGR) wells. At the start of the project, large volumes of condensate were introduced, prompting operation of wells at higher production rates. However, these higher production rates were observed to cause high condensate decline.

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