[1]吴 瑶 毛剑琳 李峰飞 党瑞荣.深水油气勘探救援井精确探测技术研究[J].石油钻采工艺,2014,36(4):026-29.[doi:10.13639/j.odpt.2014.04.007]
 WU Yao,MAO Jianlin,LI Fengfei,et al.Research on precise detection technology of relief wells for deepwater petroleum exploration[J].Oil Drilling & Production Technology,2014,36(4):026-29.[doi:10.13639/j.odpt.2014.04.007]
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深水油气勘探救援井精确探测技术研究
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《石油钻采工艺》[ISSN:1000-7393/CN:13-1072/TE]

卷:
36卷
期数:
2014年4期
页码:
026-29
栏目:
钻井完井
出版日期:
2014-07-20

文章信息/Info

Title:
Research on precise detection technology of relief wells for deepwater petroleum exploration
文章编号:
1000 – 7393(2014) 04 – 0026 – 04
作者:
吴 瑶1 毛剑琳1 李峰飞2 党瑞荣3
1.昆明理工大学信息工程与自动化学院,云南昆明 650500;2. 中海油研究总院技术研发中心,北京 100027;3. 西安石油大学光电油气测井与检测教育部重点实验室, 陕西西安 710065
Author(s):
WU Yao1 MAO Jianlin1 LI Fengfei2 DANG Ruirong3
1. Institute of Information Engineering and Automation, Kunming University of Science and Technology, Kunming 650500, China;2. Technology R&D Center, Research Institute of CNOOC, Beijing 100027, China;3. Key Laboratory of Education Ministry for Photoelectric Oil and Gas Logging and Detection, Xi’an Petroleum University, Xi’an 710065, China
关键词:
深海钻井救援井套管仿真点电流源
Keywords:
deepwater drilling relief wells casing simulation point current source
分类号:
TE243
DOI:
10.13639/j.odpt.2014.04.007
文献标志码:
A
摘要:
深水油气勘探开发已成为石油工业的热点,但井喷等事故时有发生。钻救援井是解决井喷事故的有效方法,其中救援井与事故井相对位置的精确探测是实施救援的关键。利用软件模拟半径为139.7 mm的井喷井,在其附近设置一个1 A电流源和一个接地电极,研究电流源和事故井距离、两电极距离、事故井半径对事故井套管上电流密度的影响。研究结果表明:事故井和救援井距离越近,事故井套管上的电流密度越大,且事故井套管上电流密度最小值的位置点越接近电流源所在处的位置;事故井中电流密度最小值的位置点所在处是由点电流源所在处的位置决定的;事故井半径越小,电流密度的幅值变化就越大,其上的电流密度的幅值也越大。研究结果对海上钻井救援提供了一定的理论依据。
Abstract:
Deepwater oil and gas exploration and development has become a hot spot in oil industry, but accidents like blowout occur from time to time. The drilling of relief well is a very effective way to kill a blowout well. How to accurately determine the relative location of the relief well from the blowout well is a key to the relief. Using software to simulate blowout well with a radius of 139.7 mm, a 1 A current source and a ground electrode were set in its vicinity, then study was conducted on, the effects of the distance between current source and blowout well, the distance between the two electrodes and the radius of the blowout well on the current density on the casing in the blowout well. The research results show that the nearer the blowout well is to the relief well, the greater the current density is on the casing in the blowout well, and that the location of minimum current density on the casing in blowout well is closer to the location of electric current source. The location of the minimum current density in the blowout well is determined by the location of the point current source. The smaller the blowout well radius is, the greater the change of current density amplitude is, and the greater the amplitude of its above current density is. The research findings provide some theoretical basis for drilling offshore relief wells.

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更新日期/Last Update: 2014-09-10