珠江口盆地惠州凹陷古潜山火成岩储层可钻性研究

Study on Drillability of Igneous Rock Reservoirs of Buried Hills in Huizhou Sag, Pearl River Mouth Basin

曹孟贤

CAO Mengxian

中海石油（中国）有限公司深圳分公司勘探部，广东深圳　518000

Exploration Department of Shenzhen Branch of CNOOC (China) Co., Ltd., Shenzhen Guangdong 518000. China

针对珠江口盆地惠州凹陷古潜山火成岩储层钻速慢、进尺少的问题，通过岩性、岩石力学特征、储层物性、工程参数的研究分析，从技术性和经济性优选出适合该研究区的钻头，提高钻速，降低成本，地层可钻性与岩性、岩石力学参数关系较大，和储层物性关系较小，为该研究区后续大批量开发井钻探的提质增效提供依据。

Aiming at the problems of slow drilling speed and less footage of igneous rock reservoirs of buried hills in Huizhou Sag of Pearl River Mouth Basin, through the research and analysis of lithology, rock mechanical characteristics, reservoir physical properties and engineering parameters, the bit suitable for the study area is selected from technical and economic aspects, so as to improve the drilling speed and reduce the cost. The drillability of formation has a great relationship with lithology and rock mechanics parameters, but has little relationship with reservoir physical properties. It provides a basis for improving the quality and efficiency of subsequent large-scale development wells drilling in the study area.

https://doi.org/10.3969/j.issn.1008-2336.2022.02.089