CN201246112Y - 防脱扶正抽油杆 - Google Patents
防脱扶正抽油杆 Download PDFInfo
- Publication number
- CN201246112Y CN201246112Y CNU2008200274567U CN200820027456U CN201246112Y CN 201246112 Y CN201246112 Y CN 201246112Y CN U2008200274567 U CNU2008200274567 U CN U2008200274567U CN 200820027456 U CN200820027456 U CN 200820027456U CN 201246112 Y CN201246112 Y CN 201246112Y
- Authority
- CN
- China
- Prior art keywords
- uncoupling
- rod
- half block
- uncoupling rod
- uncoupling bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005086 pumping Methods 0.000 title description 4
- 239000003129 oil well Substances 0.000 abstract description 8
- 230000007812 deficiency Effects 0.000 description 2
- 241000252253 Catostomus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
Description
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200274567U CN201246112Y (zh) | 2008-09-06 | 2008-09-06 | 防脱扶正抽油杆 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200274567U CN201246112Y (zh) | 2008-09-06 | 2008-09-06 | 防脱扶正抽油杆 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246112Y true CN201246112Y (zh) | 2009-05-27 |
Family
ID=40729932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200274567U Expired - Lifetime CN201246112Y (zh) | 2008-09-06 | 2008-09-06 | 防脱扶正抽油杆 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246112Y (zh) |
-
2008
- 2008-09-06 CN CNU2008200274567U patent/CN201246112Y/zh not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG SHOUGUANG KUNLONG PETROLEUM MACHINERY CO. Free format text: FORMER NAME: KUNLONG PETROLEUM MACHINERY CO., LTD., SHOUGUANG CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 262711 Shandong province Shouguang Development Zone East First Street Yuanfeng Kunlong Petroleum Machinery Co. Ltd. Patentee after: Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd, Address before: 262711 Shandong province Shouguang Development Zone East First Street Yuanfeng Kunlong Petroleum Machinery Co. Ltd. Patentee before: Shouguang Kunlong Petroleum Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090527 |