|本期目录/Table of Contents|

[1]薛懿伟 陈立强 徐 鲲 杨保健.渤中19-6大气田深部潜山硬地层钻井提速技术研究与应用[J].中国海上油气,2020,32(04):140-146.[doi:10.11935/j.issn.1673-1506.2020.04.017]
 XUE Yiwei CHEN Liqiang XU Kun YANG Baojian.Research and application of ROP improvement technology in deep buried hill hard formations of BZ19-6 large gas field[J].China Offshore Oil and Gas,2020,32(04):140-146.[doi:10.11935/j.issn.1673-1506.2020.04.017]
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渤中19-6大气田深部潜山硬地层钻井提速技术研究与应用()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第32卷
期数:
2020年04期
页码:
140-146
栏目:
钻采工程
出版日期:
2020-07-25

文章信息/Info

Title:
Research and application of ROP improvement technology in deep buried hill hard formations of BZ19-6 large gas field
文章编号:
1673-1506(2020)04-140-07
作者:
薛懿伟1 陈立强1 徐 鲲2 杨保健2
(1. 中海油能源发展股份有限公司工程技术分公司 天津 300459; 2. 中海石油(中国)有限公司天津分公司 天津 300459)
Author(s):
XUE Yiwei1 CHEN Liqiang1 XU Kun2 YANG Baojian2
(1. CNOOC Ener Tech-Drilling & Production Co., Tianjin 300459, China; 2. CNOOC China Limited, Tianjin Branch, Tianjin 300459, China)
关键词:
渤中19-6大气田 潜山地层 扭力冲击器 忍者齿PDC 钻井提速
Keywords:
BZ19-6 large gas field buried hill formation torsional impactor Ninja teeth PDC ROP improvement
分类号:
TE245
DOI:
10.11935/j.issn.1673-1506.2020.04.017
文献标志码:
A
摘要:
渤中19-6大气田太古界潜山地层埋藏深,地层抗压强度高、可钻性差、研磨性强,造成常规PDC钻头机械钻速低、钻井周期长、钻井成本高。针对地层特征和钻井技术难点,引入扭力冲击器配合忍者齿PDC钻头提出了深部潜山硬地层钻井提速技术。该技术已在渤中19-6大气田10口井取得成功应用,单支钻头平均进尺65.5 m、平均机械钻速4.77 m/h,比常规马达+PDC钻头分别提高135.46%、114.77%,大幅缩短了钻井周期,经济效益显著,可为类似深井、超深井潜山硬地层钻井提速提供借鉴
Abstract:
The design of hydraulic parameters for multiphase flow during well killing of rescue well is the key element in the prevention and control of blowout in deep water well. A theoretical model of multiphase flow in well killing for deep water rescue well was established based on the criterion of killing fluid falling at the connecting point and considering the transformation condition of zero apparent liquid velocity flow pattern below the connecting point. The results of model calculation show that: this model is consistent with the calculation results of Drillbench software and experimental data, and renders a high precision. By virtue of large flowrate and high-density killing fluid, it is easy to kill the well quickly; it is easier to kill with Bingham fluid than Newtonian fluid, and the killing time is shortened as the fluid yield value increases. The research results of this paper have certain guiding significance for the dynamic killing design of deep water rescue wells

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备注/Memo

备注/Memo:
收稿日期:2019-04-25 改回日期:2019-07-20*中海石油(中国)有限公司科技项目“渤中19/25围区中深层钻井关键技术研究(编号:YXKY-2018-TJ-03)”部分研究成果。 第一作者简介: 薛懿伟,男,工程师,2013年毕业于长江大学工程技术学院石油工程专业,主要从事海洋石油钻井方面研究工作。地址:天津市滨海新区海川路2121号渤海石油管理局大厦C座(邮编:300459)。E-mail:xueyw2@cnooc.com.cn。
更新日期/Last Update: 2020-07-20