Study on Shale Gas Drilling Fluids Technology

Abstract:

Via discussing the advantages and disadvantages of different types of oil-based drilling fluids, the main reason why oil-based drilling fluids are less used in our country is obtained that dont form a complete series of matching technology. The essence of wellbore instability caused by using water-based drilling fluids to drill shale is analyzed that the formation collapse pressure is greater than drilling fluids column pressure. The fundamental way of controlling borehole wall stability that use water-based drilling fluids to drill shale horizontal well was proposed that deeply researched the shale hydration mechanism, developed efficient blocking agent and inhibitors and established shale gas drilling fluid suppression system, which made water-based drilling fluids have excellent performance.

• Periodical: Advanced Materials Research (Volume 868)
• Pages: 651-656
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.868.651
• Online since: December 2013
• Authors: Gang Xie, Ming Yi Deng, Jun Lin Su, Liang Chun Pu
• Keywords: Borehole Stability, Oil-Based Drilling Fluids, Review, Shale Gas Drilling Fluids, Water-Based Drilling Fluids

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