CN203685125U - 连续油管喷砂射孔用反循环阀 - Google Patents
连续油管喷砂射孔用反循环阀 Download PDFInfo
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- CN203685125U CN203685125U CN201320894541.4U CN201320894541U CN203685125U CN 203685125 U CN203685125 U CN 203685125U CN 201320894541 U CN201320894541 U CN 201320894541U CN 203685125 U CN203685125 U CN 203685125U
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104453779A (zh) * | 2014-12-02 | 2015-03-25 | 东营市福利德石油科技开发有限责任公司 | 深海油气井多功能循环阀 |
CN106285578A (zh) * | 2016-08-31 | 2017-01-04 | 中国石油集团川庆钻探工程有限公司 | 射孔自动进液管柱及作业方法 |
CN108590617A (zh) * | 2018-06-05 | 2018-09-28 | 杰瑞能源服务有限公司 | 分层压裂工具及其施工工艺 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104453779A (zh) * | 2014-12-02 | 2015-03-25 | 东营市福利德石油科技开发有限责任公司 | 深海油气井多功能循环阀 |
CN104453779B (zh) * | 2014-12-02 | 2017-03-29 | 东营市福利德石油科技开发有限责任公司 | 深海油气井多功能循环阀 |
CN106285578A (zh) * | 2016-08-31 | 2017-01-04 | 中国石油集团川庆钻探工程有限公司 | 射孔自动进液管柱及作业方法 |
CN108590617A (zh) * | 2018-06-05 | 2018-09-28 | 杰瑞能源服务有限公司 | 分层压裂工具及其施工工艺 |
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Effective date of registration: 20201217 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20211229 |
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CF01 | Termination of patent right due to non-payment of annual fee |