CN201560753U - 一种大孔径深穿透射孔弹 - Google Patents
一种大孔径深穿透射孔弹 Download PDFInfo
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- CN201560753U CN201560753U CN2010200375438U CN201020037543U CN201560753U CN 201560753 U CN201560753 U CN 201560753U CN 2010200375438 U CN2010200375438 U CN 2010200375438U CN 201020037543 U CN201020037543 U CN 201020037543U CN 201560753 U CN201560753 U CN 201560753U
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CN2010200375438U CN201560753U (zh) | 2010-01-05 | 2010-01-05 | 一种大孔径深穿透射孔弹 |
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CN2010200375438U CN201560753U (zh) | 2010-01-05 | 2010-01-05 | 一种大孔径深穿透射孔弹 |
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CN201560753U true CN201560753U (zh) | 2010-08-25 |
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CN2010200375438U Expired - Fee Related CN201560753U (zh) | 2010-01-05 | 2010-01-05 | 一种大孔径深穿透射孔弹 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103696743A (zh) * | 2013-12-02 | 2014-04-02 | 北方斯伦贝谢油田技术(西安)有限公司 | 药型罩、射孔弹弹壳及超深穿透射孔弹 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103696743A (zh) * | 2013-12-02 | 2014-04-02 | 北方斯伦贝谢油田技术(西安)有限公司 | 药型罩、射孔弹弹壳及超深穿透射孔弹 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SICHUAN PETROLEUM PERFORATING EQUIPMENT CO., LTD. Assignor: Chuanqing Drilling Engineering Co., Ltd. of China National Petroleum Corporation Contract record no.: 2011510000203 Denomination of utility model: Deep penetration perforating charge with large perforation diameter Granted publication date: 20100825 License type: Exclusive License Record date: 20110825 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20180105 |