Design and application of well cementing technology based on the precise managed pressure balancing method in narrow pressure window hole sections

In the Sichuan Basin, the drilling of complex deep and ultradeep wells is restricted by the casing sequence. Multiple pressure systems are usually encountered in the same open hole section, and narrow safety density window is observed in vertical strata. The application of managed pressure drilling...

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Bibliographic Details
Main Authors: Jianhua Guo, Youcheng Zheng, Wei Li, Bin Li, Bin Yuan, Bihua Xu
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2020-06-01
Series:Natural Gas Industry B
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2352854020300516