临河坳陷光明构造地层压力随钻监测技术研究

doi:10.3969/j.issn.1672-9803.2023.04.008

录井工程 ›› 2023, Vol. 34 ›› Issue (4): 49-54.doi: 10.3969/j.issn.1672-9803.2023.04.008

临河坳陷光明构造地层压力随钻监测技术研究

徐婕^①, 姜维寨^①, 牛华夏^①, 杨洋^①, 丁诗^②, 陈思宇^①

①中国石油渤海钻探第二录井公司;
②长江大学石油工程学院

收稿日期:2023-10-10 出版日期:2023-12-25 发布日期:2024-01-04
作者简介:徐婕工程师,1988年生2010年毕业于长江大学资源勘查专业,现在中国石油渤海钻探第二录井公司从事工程地质一体化工作。通信地址:062552河北省任丘市中国石油渤海钻探第二录井公司地质研究评价中心。电话:(0317)2701479。E-mail:xu_jie@cnpc.com.cn
基金资助:
中国石油渤海钻探工程公司揭榜挂帅重大研发项目“油气井工程地质―体化深度融合系统开发"(编号:2022ZD01F)

Study on monitoring technique of formation pressure while drilling in Guangming structure, Linhe Depression

XU Jie^①, JIANG Weizhai^①, NIU Huaxia^①, YANG Yang^①, DING Shi^②, CHEN Siyu^①

①No.2 Mud Logging Company, BHDC, CNPC, Renqiu, Hebei 062552, China;
②School of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100,China

Received:2023-10-10 Online:2023-12-25 Published:2024-01-04

摘要/Abstract

摘要： 河套盆地临河坳陷光明构造发育多套地层压力系统,受地质和工程等因素影响随钻地层压力监测结果精度低,井漏、坍塌、遇阻等事故频出,钻井提速困难。为此,提出应用测井、录井资料修正dc指数,结合区块地质条件,在一趟钻前提下分段建立正常压实趋势线,完善dc指数法地层压力随钻监测模型及方法。结果表明,应用上述方法监测的地层压力值与测井曲线预测地层压力值、钻井液密度及实际工况结果对比吻合率较高,可有效指导临河坳陷重点探井的地层压力监测工作。该方法对其他区块地层压力监测工作具有较好的借鉴意义。

关键词: 地层压力, 随钻监测, dc指数法, 河套盆地, 临河坳陷

Abstract: The Guangming structure in Linhe Depression of Hetao Basin has developed multiple sets of formation pressure systems. Due to the influence of geology, engineering and other factors, the accuracy of formation pressure monitoring while drilling is low, the accidents, namely, lost circulation, caving, drill pipe blocking, etc., occur frequently, making it difficult to improve drilling speed. Therefore, it is proposed to apply well logging and mud logging data to modify the dc index. Combined with the geologic conditions of the block, a trend line of dc index is established in sections under the premise of single trip drilling, and the model and method of dc index pressure monitoring while drilling are improved. The results show that the formation pressure monitored by the above method has a high coincidence rate with the predicted formation pressure from well log, drilling fluid density and actual working conditions, and can effectively guide the formation pressure monitoring work of key exploration wells in Linhe Depression. This method has a good reference significance for the formation pressure monitoring work in other blocks.

Key words: formation pressure, monitoring while drilling, dc index method, Hetao Basin, Linhe Depression

中图分类号:

TE132.1

徐婕, 姜维寨, 牛华夏, 杨洋, 丁诗, 陈思宇. 临河坳陷光明构造地层压力随钻监测技术研究[J]. 录井工程, 2023, 34(4): 49-54.

XU Jie, JIANG Weizhai, NIU Huaxia, YANG Yang, DING Shi, CHEN Siyu. Study on monitoring technique of formation pressure while drilling in Guangming structure, Linhe Depression[J]. Mud Logging Engineering, 2023, 34(4): 49-54.

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临河坳陷光明构造地层压力随钻监测技术研究

Study on monitoring technique of formation pressure while drilling in Guangming structure, Linhe Depression

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