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2000年2月22日,2000年国际钻井年会在美国路易斯安娜州新奥尔良市召开,会议由石油工程师及国际钻井承包商协会主持。中国海洋石油技术服务公司的郭永峰在会上发表了论文SPE 59263:以欠平衡方法改进勘探井的钻井过程及其在板深7井的应用。文中介绍了1998年初大港油田运用海洋石油钻井技术进行板深7井的设计及施工。论文首次公开了新的钻井过程中泥浆上涌过程的微分方程,并由此计算出的若干重
On February 22, 2000, the 2000 International Drilling Conference was held in New Orleans, Louisiana, USA, and was chaired by petroleum engineers and the International Association of Drilling Contractors. Guo Yongfeng of China National Offshore Oil Technology Service Co., Ltd. delivered a paper SPE 59263: Improving the Drilling Process of Exploration Well and Its Application in Banshen 7 by Equilibrium Method. This paper introduces the design and construction of Banshen 7 well using offshore oil drilling technology in Dagang Oilfield in early 1998. For the first time, the dissertation discloses the differential equations of the upwelling process in the new drilling process,