考虑钻具生热的井筒温度场数值模拟及影响因素分析

doi:10.3969/j.issn.1006-6535.2026.01.014

特种油气藏 ›› 2026, Vol. 33 ›› Issue (1): 121-129.DOI: 10.3969/j.issn.1006-6535.2026.01.014

考虑钻具生热的井筒温度场数值模拟及影响因素分析

于洋^1,2, 苏义脑^1,3, 何军², 孙伟旭², 耿靖洲², 张宇昊¹

1.东北石油大学提高油气采收率教育部重点实验室,黑龙江大庆 163318;
2.中国石油吉林油田分公司钻井工艺研究院,吉林松原 138000;
3.中国石油工程技术研究院有限公司,北京 102206

收稿日期:2024-09-02 修回日期:2025-11-03 出版日期:2026-02-25 发布日期:2026-06-22
作者简介:于洋(1985—),男,高级工程师,2007年毕业于大庆石油学院油气储运工程专业,现为东北石油大学石油与天然气工程专业在读博士研究生,主要从事钻井技术攻关、方案设计和现场管理等方面的研究工作。
基金资助:
黑龙江省自然科学基金“环空未封固段钻井液老化机理及密封性能评价”(LH2022E026)

Wellbore temperature field numerical simulation and influencing factors analysis considering drill tool heat generation

YU Yang^1,2, SU Yi'nao^1,3, HE Jun², SUN Weixu², GENG Jingzhou², ZHANG Yuhao¹

1. Key Laboratory of EOR, Ministry of Education, Northeast Petroleum University, Daqing, Heilongjiang 163318, China;
2. Drilling Technology Research Institute, PetroChina Jilin Oilfield Company, Songyuan, Jilin 138000, China;
3. CNPC Engineering Technology R&D Company Limited, Beijing 102206, China

Received:2024-09-02 Revised:2025-11-03 Online:2026-02-25 Published:2026-06-22

摘要/Abstract

摘要： 为了防止钻井工程中钻具局部生热导致钻具失效的问题,考虑钻具局部热源对井筒温度的影响,建立钻井过程中含局部热源的井筒温度场数值模拟模型,对钻井液循环过程中井筒温度进行精确计算,并开展热源项影响因素分析。结果表明:与无热源项井筒温度场模型相比,考虑局部热源项的模型计算的井底温度提高约8.0 ℃,模型准确率提高至98.42%;在局部热源影响下,井底钻井液温度存在超过地层温度的风险,此时钻头易受高温破坏;摩阻系数、钻杆直径和钻头直径、钻压以及转速对局部热源的影响较为明显,在井筒温度场预测过程中不可忽视。该研究为深层高温井的钻井参数优化和钻具安全设计提供了重要的理论依据,对保障钻井安全、预防井下故障具有指导意义。

关键词: 钻具生热, 井筒温度场, 局部热源, 钻井液循环

Abstract: To prevent drill tool failure caused by local heat generation during drilling operations,a numerical simulation model of the wellbore temperature field incorporating local heat sources was established to accurately calculate the wellbore temperature during drilling fluid circulation.In addition,the influencing factors of the heat source item was analyzed.The results show that compared with a model without a heat source item,the model including a local heat source predicts a bottom-hole temperature about 8.0^oC higher,and the model accuracy is improved to 98.42%. Under the influence of the local heat source,the bottom-hole drilling fluid temperature can exceed the formation temperature,at which point the drill bit is prone to high-temperature damage.The friction coefficient,drill pipe diameter and bit diameter,weight on bit,and rotary speed all have significant effects on the local heat generation and should not go neglected in wellbore temperature field prediction.This study provides an important theoretical basis for optimizing drilling parameters and designing safety drill-tool in deep high-temperature wells,and offers guidance for ensuring drilling safety and preventing downhole failures.

Key words: drill tool heat generation, wellbore temperature field, local heat source, drilling fluid circulation

中图分类号:

TE254

于洋, 苏义脑, 何军, 孙伟旭, 耿靖洲, 张宇昊. 考虑钻具生热的井筒温度场数值模拟及影响因素分析[J]. 特种油气藏, 2026, 33(1): 121-129.

YU Yang, SU Yi'nao, HE Jun, SUN Weixu, GENG Jingzhou, ZHANG Yuhao. Wellbore temperature field numerical simulation and influencing factors analysis considering drill tool heat generation[J]. Special Oil & Gas Reservoirs, 2026, 33(1): 121-129.

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考虑钻具生热的井筒温度场数值模拟及影响因素分析

Wellbore temperature field numerical simulation and influencing factors analysis considering drill tool heat generation

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