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 8000Â m deep, quadruple-joint-stand rigs, automatic p...
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| Huvudupphov: | , , |
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| Materialtyp: | Artigo |
| Språk: | Inglês |
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KeAi Communications Co., Ltd.
2017-09-01
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| Serie: | Natural Gas Industry B |
| Länkar: | http://www.sciencedirect.com/science/article/pii/S2352854017301249 |
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