CN205078247U - 一种油气井井下涡流排水采气工具 - Google Patents
一种油气井井下涡流排水采气工具 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107664022A (zh) * | 2016-07-29 | 2018-02-06 | 中国石油天然气股份有限公司 | 涡流导流装置 |
CN112523708A (zh) * | 2019-09-17 | 2021-03-19 | 成都百胜野牛科技有限公司 | 井下卡定器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107664022A (zh) * | 2016-07-29 | 2018-02-06 | 中国石油天然气股份有限公司 | 涡流导流装置 |
CN112523708A (zh) * | 2019-09-17 | 2021-03-19 | 成都百胜野牛科技有限公司 | 井下卡定器 |
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Date of cancellation: 20211019 Granted publication date: 20160309 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI HUIFENGYUE PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020990001024 |
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Denomination of utility model: A downhole eddy current drainage gas production tool for oil and gas wells Effective date of registration: 20211020 Granted publication date: 20160309 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI HUIFENGYUE PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2021990000982 |
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Date of cancellation: 20220913 Granted publication date: 20160309 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI HUIFENGYUE PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2021990000982 |
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