[1]李尚杰,李必红,赵云涛,等.一种破片高回收率射孔弹壳体破碎特性的设计方法研究[J].爆破器材,2014,43(06):48-52.[doi:10.3969/j.issn.1001-8352.2014.06.011]
　LI Shangjie,LI Bihong,ZHAO Yuntao,et al.Design Method of High Recovery of Fragments about Shell of Shaped[J].EXPLOSIVE MATERIALS,2014,43(06):48-52.[doi:10.3969/j.issn.1001-8352.2014.06.011]
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一种破片高回收率射孔弹壳体破碎特性的设计方法研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
43
期数:
2014年06
页码:
48-52
栏目:
出版日期:
2014-12-20

文章信息/Info

Title:
Design Method of High Recovery of Fragments about Shell of Shaped
文章编号:
4821
作者:
李尚杰; 李必红; 赵云涛; 李万全; 周明; 常梦倩; 王喜
西安物华巨能爆破器材有限责任公司（陕西西安，710061）
Author(s):
LI Shangjie; LI Bihong; ZHAO Yuntao; LI Wanquan; ZHOU Ming; CHANG Mengqian; WANG Xi
Xi‘an Wuhuajuneng Blasting Equipment Co., Ltd.（Shaanxi Xi’an,710061）
关键词:
射孔弹; 壳体; 大破片; 刻槽; 回收率
Keywords:
perforating charge;  shell;  large size fragments;  groove;  recovery
分类号:
TJ410.4
DOI:
10.3969/j.issn.1001-8352.2014.06.011
文献标志码:
A
摘要:
针对油气井下作业后射孔弹壳体破片对井筒的污染等负面影响，文中对射孔弹壳体爆炸后形成大尺寸破片的影响因素进行了试验研究，通过改变壳体厚度、材料、外部刻槽参数，进而改变壳体破裂后的破片尺寸，增加破片回收率。结果表明：壳体厚度为6.0 mm、材料为20#钢、壳体外表面刻4条槽、槽宽为3.0 mm、槽深为4.0 mm时，通过单发射孔弹破片收集试验可得尺寸≥9.53 mm的破片，回收率可达83.1%，使得大部分壳体破片滞留在射孔枪体内，有效减少壳体破片对井筒的污染，降低射孔作业卡枪事故发生的风险。
Abstract:
The factors that influence the forming of large size fragments after the perforating charge explosion were experimental studied against the negative impacts on the wellbore like shell fragments pollution after using perforating charge underground. Through changing thethickness, material,external groove parameters of the shell, the size of the fragments that result from the shell rupture will be changed, and the fragment recovery will be improved. The results show that when the shell thickness is 6.0 mm, the material is 20# steel and the number of external groove which is 3.0 millimeters wide and 4.0 millimeters deep is four, the mass of the shell fragments whose size are ot less than 9.53 millimeters account for 83.1% of all the shell fragments obtained from the fragments collection test of single perforating charge, indicating that most of the shell fragments are stuck in the perforating gun body. So the shell fragments pollution can be reduced effectively and the occurrence rate of gun jams during the perforating job will decrease too.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2014-05-23
基金项目：陕西省科学技术研究发展计划工业攻关项目资助（2013K07-01）
作者简介：李尚杰（1985~），男，硕士研究生，主要从事石油射孔弹的研究。E-mail:zbdx04081401@163.com
更新日期/Last Update: 2014-12-15