定向井/复杂井

卡管预测方法利用触发系数

本文提出了一种融合物理学原理、数据科学和不确定性建模的新方法,为管理实时管道卡堵事件提供更具弹性和更精确的解决方案

图 1——综合卡管指数监测方法。
图 1——综合卡管指数监测方法。
来源:SPE 222762。

完整的论文提出了一种新颖的方法,该方法融合了物理学、数据科学和不确定性建模的原理,旨在为实时卡钻事件的管理提供更具弹性和更精确的解决方案。该方法涵盖了多种卡钻机制,包括机械、几何、差动、键槽、岩屑封隔和地质力学因素。这些参数的独立性有助于预测导致卡钻的机制。

卡管指标:方法论

基于所提方法的可扩展模型,可同时监测多个钻机,如上图1所示。该图还展示了在油井监测过程中可提取的各种实时洞察,例如描述性、预测性、诊断性和规范性洞察。

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Directional/complex wells

Stuck-Pipe Prediction Method Uses Trigger Coefficients

This paper presents a novel methodology that merges principles of physics, data science, and uncertainty modeling to offer more-resilient and -precise solutions for managing real-time pipe-sticking occurrences

Fig. 1— Comprehensive Stuck-Pipe Index monitoring methodology.
Fig. 1— Comprehensive Stuck-Pipe Index monitoring methodology.
Source: SPE 222762.

The complete paper presents a novel methodology that merges principles of physics, data science, and uncertainty modeling to offer more-resilient and -precise solutions for managing real-time pipe-sticking occurrences. The methodology embraces diverse modes of pipe-sticking mechanisms, encompassing mechanical, geometrical, differential, key-seat, cuttings-packoff, and geomechanical factors. The independence of these parameters facilitates the prediction of mechanisms that contribute to pipe sticking.

Stuck-Pipe Indicator: Methodology

The scalable model for monitoring multiple rigs at the same time based on the proposed approach is shown in Fig. 1 above. The figure also shows different real-time insights, such as descriptive, predictive, diagnostic, and prescriptive, that can be extracted as the wells are monitored.

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