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Edition and Publication:
< Natural Gas and Oil > Editorial Department
Hosted by:
China Petroleum Engineering & Construction Corporation Southwest Company
Authorized by:
China Petroleum Engineering & Construction Corporation
Co-hosted by:
Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
Address:
No.6, Shenghua Road, High-tech District, Chengdu, Sichuan, China
Postal Code:
610041
Tel:
028-86014709
028-86014500
Email:
cnpc-ngo@cnpc.com.cn
Issue:ISSN 1006-5539
CN 51-1183/TE

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Analysis on Drilling Speed-Up and Drill Bit Usage at Block Ya-K

Author of the article:Guo Baolin, Sun Qingchun, Yu Jianke, An Chuan

Author's Workplace：1.Petroleum Engineering College of Xi’ an Shiyou University; 2.Xibu Drilling Directional Well Technical Service Company 3.Sinopec North China Petroleum Engineering Co., Ltd. Wupu Drilling Company

Key Words：Drilling speed-up; Personalized PDC; Hydraulic oscillator; Deviation control with drilling straight well

Abstract：According to the characteristics of higher formation clination, much interlayer, strong abrasiveness and poor drillability in the cretaceous reservoir , a series of measures had been implemented for drilling speed-up, including deviation control with drilling straight well, hydraulic oscillator test, personalized PDC bit test, assembly selection and optimization of drilling fluid performance, etc to solve technical difficulties restricting drilling speed-up such as oblique of drilling vertical wells, poor stability of tool face and serious “Pressure" in directional drilling and complex downhole accidents, etc. The analysis of field test results proved that drilling speed-up was effective, which accumulated successful experience for optimal and fast drilling in block Ya-K.