CN202560165U - 油气钻井用井下止回阀阀芯复位系统 - Google Patents
油气钻井用井下止回阀阀芯复位系统 Download PDFInfo
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103234067A (zh) * | 2013-05-10 | 2013-08-07 | 四川宏华石油设备有限公司 | 一种用于井下工具的单向阀 |
CN104975823A (zh) * | 2015-07-22 | 2015-10-14 | 陈建平 | 一种油田注水井用单流阀 |
CN107100586A (zh) * | 2017-04-13 | 2017-08-29 | 潍坊盛德石油机械制造有限公司 | 螺杆泵下置止流阀 |
CN117307094A (zh) * | 2023-11-28 | 2023-12-29 | 东北石油大学三亚海洋油气研究院 | 高气液比油井抽油杆安全阀装置 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103234067A (zh) * | 2013-05-10 | 2013-08-07 | 四川宏华石油设备有限公司 | 一种用于井下工具的单向阀 |
CN103234067B (zh) * | 2013-05-10 | 2015-11-11 | 四川宏华石油设备有限公司 | 一种用于井下工具的单向阀 |
CN104975823A (zh) * | 2015-07-22 | 2015-10-14 | 陈建平 | 一种油田注水井用单流阀 |
CN104975823B (zh) * | 2015-07-22 | 2017-05-24 | 陈建平 | 一种油田注水井用单流阀 |
CN107100586A (zh) * | 2017-04-13 | 2017-08-29 | 潍坊盛德石油机械制造有限公司 | 螺杆泵下置止流阀 |
CN117307094A (zh) * | 2023-11-28 | 2023-12-29 | 东北石油大学三亚海洋油气研究院 | 高气液比油井抽油杆安全阀装置 |
CN117307094B (zh) * | 2023-11-28 | 2024-02-20 | 东北石油大学三亚海洋油气研究院 | 高气液比油井抽油杆安全阀装置 |
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Effective date of registration: 20151013 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Shengli Petroleum Management Bureau Drilling Engineering Company of China Petrochemical Corporation |
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