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Technologies in deep and ultra-deep well drilling: Present status, challenges and future trend in the 13th Five-Year Plan period (2016â2020)

During the 12th Five-Year Plan period (2011â2015), CNPC independently developed a series of new drilling equipment, tools and chemical materials for deep and ultra-deep wells, including six packages of key drilling equipment: rigs for wells up to 8000 m deep, quadruple-joint-stand rigs, automatic p...

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Furkejuvvon:
Bibliográfalaš dieđut
Váldodahkkit: Haige Wang, Yunhua Ge, Lin Shi
Materiálatiipa: Artigo
Giella:Inglês
Almmustuhtton: KeAi Communications Co., Ltd. 2017-09-01
Ráidu:Natural Gas Industry B
Liŋkkat:http://www.sciencedirect.com/science/article/pii/S2352854017301249
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