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一种油气井用双向传爆管极限传爆距离
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(西安物华巨能爆破器材有限责任公司, 陕西 西安 710061)

作者简介:

彭加斌(1968-),男,高级工程师,主要从事油气井用爆破器材研究。e-mail: jbpeng68@163.com

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Limit Transmitting Detonation Distance of Bi-directional Booster Used in Oil and Gas Wells
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(Xi′an Wuhua Juneng Blasting Equipment Co.Ltd, Xi′an 710061, China)

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    摘要:

    为评估油气井用双向传爆管在空气中的极限传爆距离(即在置信水平0.95下,可靠度为0.999的最大传爆距离),采用火工品常用的感度试验用数理统计方法—升降法,对双向传爆管进行传爆实验。用LS-DYNA软件进行了双向传爆管的传爆机理和爆炸过程的数值模拟。结果表明,在空气中,在0.95置信水平下,可靠度为0.999的双向传爆管的最大传爆距离为82.8 mm。数值模拟结果在一定程度上支持82.8 mm左右的实验结果。

    Abstract:

    To evaluate the limit transmitting detonation distance (i.e. maximum transmitting detonation distance at a confidence level of 0.95 and reliability of 0.999) in the air of bi-directional booster used in oil and gas wells, a transmitting detonation test of bi-directional booster was performed by the mathematical statistic method-up-and-down method commonly adopted in sensitivity test of pyrotechnics. The numerical simulation of transmitting detonation mechanism and explosion process for bi-directional booster was carried out by LS-DYNA software. Results show that the maximum transmitting detonation distance with reliability of 0.999 under a confidence level of 0.95 in the air of bi-directional booster is 82.8 mm. The numerical simulation results support the experimental one of about 82.8 mm in a certain extent.

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引用本文

彭加斌,肖勇,段嘉庆,等.一种油气井用双向传爆管极限传爆距离[J].含能材料, 2016, 24(8):804-809. DOI:10.11943/j. issn.1006-9941.2016.08.014.
PENG Jia-bin, XIAO Yong, DUAN Jia-qing, et al. Limit Transmitting Detonation Distance of Bi-directional Booster Used in Oil and Gas Wells[J]. Chinese Journal of Energetic Materials, 2016, 24(8):804-809. DOI:10.11943/j. issn.1006-9941.2016.08.014.

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历史
  • 收稿日期: 2016-01-12
  • 最后修改日期: 2016-03-16
  • 录用日期: 2016-01-22
  • 在线发布日期: 2016-08-08
  • 出版日期: 2016-09-01