GAO, Yunwen, Oil and Gas Technology Research Institute, Changqing Oilfield Company, PetroChina, Xi'an, China.
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Vol 18, No 1 (2019): Advances in Petroleum Exploration and Development - Articles
Technical Difficulties and Countermeasures of Drilling of Φ118mm Sidetracking Horizontal Well in Changqing Oilfield
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