钻井风险评价系统DrillRisk的研发与应用

杨传书

doi:10.11911/syztjs.201705011

钻井风险评价系统DrillRisk的研发与应用

杨传书

中国石化石油工程技术研究院, 北京 100101

基金项目:

中国石化科技攻关项目"钻井风险控制系统研发"（编号：P13093）和"四川盆地深探井钻完井及测试关键技术研究"（编号：P16084）资助。

详细信息

作者简介:
杨传书(1972-),男,湖北黄冈人,1996年毕业于石油大学(华东)机械制造工艺与设备、计算机技术及应用专业,2009年获中国石油大学(华东)石油与天然气工程专业工程硕士学位,高级工程师,主要从事石油工程信息技术、石油工程软件方面的研究工作。

中图分类号: TE28⁺1
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出版历程
- 收稿日期: 2017-03-14
- 修回日期: 2017-07-17
- 刊出日期: 1899-12-31

Development and Application of Risk-Assessment System for Drilling Operations

YANG Chuanshu

Sinopec Research Institute of Petroleum Engineering, Beijing, 100101, China

摘要

摘要: 钻井风险控制是提高钻井综合效率、确保施工安全和实现降本增效的关键环节，但目前国内研发的钻井实时风险监测系统缺乏钻前潜在风险预测及钻后风险跟踪评价的能力。基于钻井风险发生机理，采用地质因素和工程因素相耦合的方法，建立了钻井潜在风险可能性及严重度量化评价模型，基于钻井风险发生时的征兆规律建立了风险监测预警模型，同时融合钻井风险案例知识库，研发了钻井风险评价系统DrillRisk，构建了"钻前-钻中-钻后"的闭环评价体系。利用5口井的历史数据进行了模拟应用和模型改进优化，并在10余口井进行了现场应用，结果表明，在地质资料较为全面准确的条件下，常见风险的发现率达到86%，对高级别风险的防控起到了重要作用。钻井风险评价系统DrillRisk为区块钻井方案持续优化和最终实现"无风险"钻井目标提供了可行的技术手段。
- 钻井风险 /
- 预测 /
- 闭环 /
- 风险案例 /
- 地质力学 /
- 方案优化
Abstract: Drilling risk control is the key for promoting drilling efficiency,construction safety,cost-saving and profit.Some real-time drilling monitoring and alarm systems have been developed in recent years in China.Most of these systems lack functions related to potential risk prediction function before drilling and risk tracking and assessment after drilling.A model for quantitative evaluating the probability and severity of drilling risk was developed on the basis of causes of drilling risks.In addition,a visualization representation method was set up as well.And together,a real-time diagnosis method was developed based on drilling risk symptoms,and a drilling risk case knowledge database was also established as an auxiliary resource for risk prediction.Historical data of 5 existing wells were used for simulation and optimization of the model.The optimized model was used in over 10 wells.With completed and accurate geologic data available,the discovery rate of common risk reached 86%.The model was demonstrated to have important performances in control over high-level risks.The innovative drilling risk assessment system could provide necessary technical supports for sustainable optimization of drilling program and eventually achieve objectives in "risk-free" drilling operations.
- drilling risk /
- prediction /
- closed-loop /
- risk cases /
- geo-mechanics /
- program optimization

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参考文献(16)

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钻井风险评价系统DrillRisk的研发与应用

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Development and Application of Risk-Assessment System for Drilling Operations

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