CN2900780Y - 电加热钢质连续抽油杆采油装置 - Google Patents
电加热钢质连续抽油杆采油装置 Download PDFInfo
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- CN2900780Y CN2900780Y CN 200620004544 CN200620004544U CN2900780Y CN 2900780 Y CN2900780 Y CN 2900780Y CN 200620004544 CN200620004544 CN 200620004544 CN 200620004544 U CN200620004544 U CN 200620004544U CN 2900780 Y CN2900780 Y CN 2900780Y
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CN 200620004544 CN2900780Y (zh) | 2006-03-08 | 2006-03-08 | 电加热钢质连续抽油杆采油装置 |
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CN 200620004544 CN2900780Y (zh) | 2006-03-08 | 2006-03-08 | 电加热钢质连续抽油杆采油装置 |
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CN2900780Y true CN2900780Y (zh) | 2007-05-16 |
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CN 200620004544 Expired - Lifetime CN2900780Y (zh) | 2006-03-08 | 2006-03-08 | 电加热钢质连续抽油杆采油装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104851505A (zh) * | 2015-04-13 | 2015-08-19 | 浙江大铭新材料股份有限公司 | 碳纤维复合芯铝绞线向采油井下输送电功率装置 |
CN110630172A (zh) * | 2018-06-21 | 2019-12-31 | 中国石油化工股份有限公司 | 冻土层钻井阻热防融装置 |
CN112483054A (zh) * | 2019-09-11 | 2021-03-12 | 东营新佳环保技术开发有限公司 | 油井泵下加热降粘、防结蜡装置 |
-
2006
- 2006-03-08 CN CN 200620004544 patent/CN2900780Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104851505A (zh) * | 2015-04-13 | 2015-08-19 | 浙江大铭新材料股份有限公司 | 碳纤维复合芯铝绞线向采油井下输送电功率装置 |
CN110630172A (zh) * | 2018-06-21 | 2019-12-31 | 中国石油化工股份有限公司 | 冻土层钻井阻热防融装置 |
CN112483054A (zh) * | 2019-09-11 | 2021-03-12 | 东营新佳环保技术开发有限公司 | 油井泵下加热降粘、防结蜡装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LIAONING HUAFU OIL HIGH-TECH CO. Free format text: FORMER OWNER: BEIJING BOTONG HAINA PETROLEUM TECHNOLOGY CO., LTD. Effective date: 20080314 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080314 Address after: Liaoning province Panjin City Beihuan Industrial Development Zone Xinglongtai District No. 18 North Street, zip code: 124013 Patentee after: Liaoning Huafu Petroleum High-tech Co., Ltd. Address before: North Fourth Ring Road Beijing City, No. 229 Haidian District Haitai building room 1715, zip code: 100088 Patentee before: Beijing Botong Haina Petroleum Technology Co., Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20070516 |
|
EXPY | Termination of patent right or utility model |