CN203114251U - 一种游梁式双井联动抽油机 - Google Patents
一种游梁式双井联动抽油机 Download PDFInfo
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- CN203114251U CN203114251U CN 201320081389 CN201320081389U CN203114251U CN 203114251 U CN203114251 U CN 203114251U CN 201320081389 CN201320081389 CN 201320081389 CN 201320081389 U CN201320081389 U CN 201320081389U CN 203114251 U CN203114251 U CN 203114251U
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- pumping unit
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CN 201320081389 CN203114251U (zh) | 2013-02-22 | 2013-02-22 | 一种游梁式双井联动抽油机 |
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CN 201320081389 CN203114251U (zh) | 2013-02-22 | 2013-02-22 | 一种游梁式双井联动抽油机 |
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CN203114251U true CN203114251U (zh) | 2013-08-07 |
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CN 201320081389 Expired - Lifetime CN203114251U (zh) | 2013-02-22 | 2013-02-22 | 一种游梁式双井联动抽油机 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105239969A (zh) * | 2015-11-10 | 2016-01-13 | 刘铁军 | 由一台电动机驱动的双井抽油机 |
CN109339743A (zh) * | 2018-07-26 | 2019-02-15 | 中国石油天然气股份有限公司 | 一种“一机双井”互平衡地面采油装置 |
-
2013
- 2013-02-22 CN CN 201320081389 patent/CN203114251U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105239969A (zh) * | 2015-11-10 | 2016-01-13 | 刘铁军 | 由一台电动机驱动的双井抽油机 |
CN109339743A (zh) * | 2018-07-26 | 2019-02-15 | 中国石油天然气股份有限公司 | 一种“一机双井”互平衡地面采油装置 |
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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: SHAANXI PETROLEUM MACHINERY EQUIPMENT MANUFACTURIN Free format text: FORMER OWNER: YANCHANG OILFIELD CO., LTD. Effective date: 20141231 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 716000 YANAN, SHAANXI PROVINCE TO: 717403 YANAN, SHAANXI PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20141231 Address after: 717403 Ansai Industrial Park, Ansai County, Shaanxi, Yanan Patentee after: SHAANXI PETROLEUM MACHINERY EQUIPMENT MANUFACTURING CO.,LTD. Address before: 716000 Yanan city of Shaanxi Province Road Zaoyuan oilfield Limited by Share Ltd Patentee before: YANCHANG OIL FIELD Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130807 |