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...
| 發表在: | Natural Gas Industry B |
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| Main Authors: | , , |
| 格式: | Article |
| 語言: | 英语 |
| 出版: |
KeAi Communications Co., Ltd.
2017-09-01
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| 在線閱讀: | http://www.sciencedirect.com/science/article/pii/S2352854017301249 |