CN202832430U - 油气井全通径射孔夹层 - Google Patents
油气井全通径射孔夹层 Download PDFInfo
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- CN202832430U CN202832430U CN 201220558639 CN201220558639U CN202832430U CN 202832430 U CN202832430 U CN 202832430U CN 201220558639 CN201220558639 CN 201220558639 CN 201220558639 U CN201220558639 U CN 201220558639U CN 202832430 U CN202832430 U CN 202832430U
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CN 201220558639 CN202832430U (zh) | 2012-10-29 | 2012-10-29 | 油气井全通径射孔夹层 |
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CN 201220558639 CN202832430U (zh) | 2012-10-29 | 2012-10-29 | 油气井全通径射孔夹层 |
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CN202832430U true CN202832430U (zh) | 2013-03-27 |
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CN 201220558639 Expired - Fee Related CN202832430U (zh) | 2012-10-29 | 2012-10-29 | 油气井全通径射孔夹层 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SHAANXI GAOHUA ZHIBEN CHEMICAL TECHNOLOGY CO., LTD Free format text: FORMER NAME: SHAANXI LIANMENG LOGISTICS CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: 710065 Shaanxi city of Xi'an province high tech Zone Feng Hui Road No. 36 Oak Street Block B room 10406 Patentee after: SHAANXI GAOHUA ZHIBEN CHEMICAL SCIENCE & TECHNOLOGY CO., LTD. Address before: 710065 Shaanxi city of Xi'an province high tech Zone Feng Hui Road No. 36 Oak Street Block B room 10406 Patentee before: Shaanxi Alliance Logistics Co., Ltd. |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20131029 |