CN104153740B - 压差式油套联通阀 - Google Patents
压差式油套联通阀 Download PDFInfo
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- CN104153740B CN104153740B CN201310176067.6A CN201310176067A CN104153740B CN 104153740 B CN104153740 B CN 104153740B CN 201310176067 A CN201310176067 A CN 201310176067A CN 104153740 B CN104153740 B CN 104153740B
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- top connection
- annular space
- radial flow
- female thread
- valve element
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Abstract
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CN201310176067.6A CN104153740B (zh) | 2013-05-14 | 2013-05-14 | 压差式油套联通阀 |
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CN201310176067.6A CN104153740B (zh) | 2013-05-14 | 2013-05-14 | 压差式油套联通阀 |
Publications (2)
Publication Number | Publication Date |
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CN104153740A CN104153740A (zh) | 2014-11-19 |
CN104153740B true CN104153740B (zh) | 2017-03-29 |
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CN201310176067.6A Active CN104153740B (zh) | 2013-05-14 | 2013-05-14 | 压差式油套联通阀 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6610433B2 (ja) * | 2016-05-27 | 2019-11-27 | オムロンヘルスケア株式会社 | センサアセンブリ |
JP6693274B2 (ja) * | 2016-05-27 | 2020-05-13 | オムロンヘルスケア株式会社 | 血圧測定用カフおよび血圧計 |
CN111878035B (zh) * | 2020-08-04 | 2021-05-18 | 西南石油大学 | 一种机械式井下泥浆分流工具及方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3973587A (en) * | 1975-04-25 | 1976-08-10 | Brown Oil Tools, Inc. | Check valve assembly |
US4069866A (en) * | 1976-12-15 | 1978-01-24 | Schlumberger Technology Corporation | Pressure apportioning valve apparatus for use with multiple packers |
CN2044638U (zh) * | 1989-01-07 | 1989-09-20 | 张昕 | 井下循环接头 |
CN201187279Y (zh) * | 2007-12-03 | 2009-01-28 | 大港油田集团有限责任公司 | 井下压差式常通阀 |
CN201250647Y (zh) * | 2008-09-03 | 2009-06-03 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | 水平井下冲单向液流阀 |
CN202531066U (zh) * | 2012-04-05 | 2012-11-14 | 中国石油天然气股份有限公司 | 油气田用可环空验封掺稀阀 |
CN203285391U (zh) * | 2013-05-14 | 2013-11-13 | 天津大港油田钻采技术开发公司 | 压差式油套联通阀 |
-
2013
- 2013-05-14 CN CN201310176067.6A patent/CN104153740B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3973587A (en) * | 1975-04-25 | 1976-08-10 | Brown Oil Tools, Inc. | Check valve assembly |
US4069866A (en) * | 1976-12-15 | 1978-01-24 | Schlumberger Technology Corporation | Pressure apportioning valve apparatus for use with multiple packers |
CN2044638U (zh) * | 1989-01-07 | 1989-09-20 | 张昕 | 井下循环接头 |
CN201187279Y (zh) * | 2007-12-03 | 2009-01-28 | 大港油田集团有限责任公司 | 井下压差式常通阀 |
CN201250647Y (zh) * | 2008-09-03 | 2009-06-03 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | 水平井下冲单向液流阀 |
CN202531066U (zh) * | 2012-04-05 | 2012-11-14 | 中国石油天然气股份有限公司 | 油气田用可环空验封掺稀阀 |
CN203285391U (zh) * | 2013-05-14 | 2013-11-13 | 天津大港油田钻采技术开发公司 | 压差式油套联通阀 |
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CN104153740A (zh) | 2014-11-19 |
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C06 | Publication | ||
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GR01 | Patent grant | ||
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 300280 Tianjin Binhai New Area Dagang Oilfield No. three hospital Co-patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Address before: 300280 Tianjin Binhai New Area Dagang Oilfield No. three hospital Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. |
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CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 300280 Tianjin Binhai New Area Dagang Oilfield No. three hospital Co-patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. Address before: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OIL FIELD DRILLING TECHNOLOGY DEVELOPMENT CO. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201116 Address after: 300000 No. three, Dagang Oilfield, Binhai New Area, Tianjin Patentee after: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300280 No. three, Dagang Oilfield, Binhai New Area, Tianjin Patentee before: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Patentee before: DAGANG OILFIELD GROUP Co.,Ltd. |