CN201334876Y - Spiral centering device for preventing from accumulating rock debris - Google Patents
Spiral centering device for preventing from accumulating rock debris Download PDFInfo
- Publication number
- CN201334876Y CN201334876Y CNU2008201794499U CN200820179449U CN201334876Y CN 201334876 Y CN201334876 Y CN 201334876Y CN U2008201794499 U CNU2008201794499 U CN U2008201794499U CN 200820179449 U CN200820179449 U CN 200820179449U CN 201334876 Y CN201334876 Y CN 201334876Y
- Authority
- CN
- China
- Prior art keywords
- spiral
- landwaste
- preventing
- centering device
- drill string
- 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 - Fee Related
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- Earth Drilling (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201794499U CN201334876Y (en) | 2008-11-17 | 2008-11-17 | Spiral centering device for preventing from accumulating rock debris |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201794499U CN201334876Y (en) | 2008-11-17 | 2008-11-17 | Spiral centering device for preventing from accumulating rock debris |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201334876Y true CN201334876Y (en) | 2009-10-28 |
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ID=41286526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008201794499U Expired - Fee Related CN201334876Y (en) | 2008-11-17 | 2008-11-17 | Spiral centering device for preventing from accumulating rock debris |
Country Status (1)
Country | Link |
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CN (1) | CN201334876Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102691477A (en) * | 2012-06-19 | 2012-09-26 | 东北石油大学 | Rock debris cleaning device for drilling tool |
CN105672915A (en) * | 2016-04-01 | 2016-06-15 | 中国海洋石油总公司 | Outer-diameter-variable cutting bed removing tool |
-
2008
- 2008-11-17 CN CNU2008201794499U patent/CN201334876Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102691477A (en) * | 2012-06-19 | 2012-09-26 | 东北石油大学 | Rock debris cleaning device for drilling tool |
CN102691477B (en) * | 2012-06-19 | 2014-09-17 | 东北石油大学 | Rock debris cleaning device for drilling tool |
CN105672915A (en) * | 2016-04-01 | 2016-06-15 | 中国海洋石油总公司 | Outer-diameter-variable cutting bed removing tool |
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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: BEIJING JIAOYANG SHANSHUI PETROLEUM ENGINEERING TE Free format text: FORMER OWNER: REN JUN Effective date: 20100129 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20100129 Address after: No. 31, building 411, Shaoyaoju, Beijing, Chaoyang District, 100029 Patentee after: Beijing Jiaoyangshanshui Petroleum Engineering Technology Co., Ltd. Address before: 3, 2 door, 102 North Lake Road residential park, sandy district, Hubei City, Jingzhou Province, 434000 Patentee before: Ren Jun |
|
ASS | Succession or assignment of patent right |
Owner name: JIAOYANG SHANSHUI (JIANGSU) OIL GAS ENGINEERING TE Free format text: FORMER OWNER: BEIJING JIAOYANG SHANSHUI PETROLEUM ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20130910 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100029 CHAOYANG, BEIJING TO: 213022 CHANGZHOU, JIANGSU PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130910 Address after: 213022 room 9-1, No. 501-2 East Taihu Road, Jiangsu, Changzhou Patentee after: Sunny landscape (Jiangsu) oil and Gas Engineering Technology Co., Ltd. Address before: 100029 No. 31, building 411, Chaoyang District, Beijing, Shaoyaoju Patentee before: Beijing Jiaoyangshanshui Petroleum Engineering Technology Co., Ltd. |
|
DD01 | Delivery of document by public notice |
Addressee: Sunny landscape (Jiangsu) oil and Gas Engineering Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
DD01 | Delivery of document by public notice |
Addressee: Sunny landscape (Jiangsu) oil and Gas Engineering Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20151117 |
|
EXPY | Termination of patent right or utility model |