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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| Glavni autori: | , , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
KeAi Communications Co., Ltd.
2017-09-01
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| Serija: | Natural Gas Industry B |
| Online pristup: | http://www.sciencedirect.com/science/article/pii/S2352854017301249 |
| Oznake: |
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