CN206112244U - 一种双重密封式压裂阀 - Google Patents
一种双重密封式压裂阀 Download PDFInfo
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- CN206112244U CN206112244U CN201621024942.4U CN201621024942U CN206112244U CN 206112244 U CN206112244 U CN 206112244U CN 201621024942 U CN201621024942 U CN 201621024942U CN 206112244 U CN206112244 U CN 206112244U
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- valve
- valve rod
- conical surface
- sealing
- gap
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CN201621024942.4U CN206112244U (zh) | 2016-08-31 | 2016-08-31 | 一种双重密封式压裂阀 |
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CN201621024942.4U CN206112244U (zh) | 2016-08-31 | 2016-08-31 | 一种双重密封式压裂阀 |
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CN206112244U true CN206112244U (zh) | 2017-04-19 |
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2016
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Legal Events
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200506 Address after: 618300 No. 86, South Second Section of Zhongshan Avenue, Guanghan City, Deyang City, Sichuan Province Patentee after: SICHUAN BAOSHI MACHINERY DRILLING AND PRODUCTION EQUIPMENT Co.,Ltd. Address before: 618300 south section of Zhongshan Road, Deyang, Sichuan, Guanghan Patentee before: GUANGHAN DRILLING EQUIPMENT FACTORY, BAOJI OILFIELD MACHINERY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200930 Address after: 618300 No. 86, South Second Section of Zhongshan Avenue, Guanghan City, Deyang City, Sichuan Province Patentee after: SICHUAN BAOSHI MACHINERY DRILLING AND PRODUCTION EQUIPMENT Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 618300 No. 86, South Second Section of Zhongshan Avenue, Guanghan City, Deyang City, Sichuan Province Patentee before: SICHUAN BAOSHI MACHINERY DRILLING AND PRODUCTION EQUIPMENT Co.,Ltd. |