CN205858274U - 一种注水井井下带压防喷阀 - Google Patents
一种注水井井下带压防喷阀 Download PDFInfo
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- CN205858274U CN205858274U CN201620402221.6U CN201620402221U CN205858274U CN 205858274 U CN205858274 U CN 205858274U CN 201620402221 U CN201620402221 U CN 201620402221U CN 205858274 U CN205858274 U CN 205858274U
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CN201620402221.6U CN205858274U (zh) | 2016-05-06 | 2016-05-06 | 一种注水井井下带压防喷阀 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112879591A (zh) * | 2021-04-01 | 2021-06-01 | 重庆胤合石油化工机械制造有限公司 | 一种能稳定密封的顶驱旋塞阀 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112879591A (zh) * | 2021-04-01 | 2021-06-01 | 重庆胤合石油化工机械制造有限公司 | 一种能稳定密封的顶驱旋塞阀 |
CN112879591B (zh) * | 2021-04-01 | 2022-10-28 | 重庆胤合石油化工机械制造有限公司 | 一种能稳定密封的顶驱旋塞阀 |
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C14 | Grant of patent or utility model | ||
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Effective date of registration: 20191209 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE, JIANGHAN OILFIELD BRANCH OF CHINA PETROCHEMICAL CORPORATION Patentee after: China Petrochemical Co., Ltd. Address before: 430035 Hubei city of Wuhan province Gutian two Road No. 37 HSBC Nanniwan Avenue headquarters block fifth B Patentee before: PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE, JIANGHAN OILFIELD BRANCH OF CHINA PETROCHEMICAL CORPORATION |
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TR01 | Transfer of patent right |