CN203081369U - Pitching device for oil drilling coring - Google Patents
Pitching device for oil drilling coring Download PDFInfo
- Publication number
- CN203081369U CN203081369U CN 201220736970 CN201220736970U CN203081369U CN 203081369 U CN203081369 U CN 203081369U CN 201220736970 CN201220736970 CN 201220736970 CN 201220736970 U CN201220736970 U CN 201220736970U CN 203081369 U CN203081369 U CN 203081369U
- Authority
- CN
- China
- Prior art keywords
- oil drilling
- ball
- drilling coring
- pitching
- cylinder
- 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
Links
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- Earth Drilling (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220736970 CN203081369U (en) | 2012-12-28 | 2012-12-28 | Pitching device for oil drilling coring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220736970 CN203081369U (en) | 2012-12-28 | 2012-12-28 | Pitching device for oil drilling coring |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203081369U true CN203081369U (en) | 2013-07-24 |
Family
ID=48827219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220736970 Expired - Fee Related CN203081369U (en) | 2012-12-28 | 2012-12-28 | Pitching device for oil drilling coring |
Country Status (1)
Country | Link |
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CN (1) | CN203081369U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111974772A (en) * | 2020-08-06 | 2020-11-24 | 西安长庆科技工程有限责任公司 | Automatic throwing device, system and method for lead screw pushing type paraffin removal ball |
-
2012
- 2012-12-28 CN CN 201220736970 patent/CN203081369U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111974772A (en) * | 2020-08-06 | 2020-11-24 | 西安长庆科技工程有限责任公司 | Automatic throwing device, system and method for lead screw pushing type paraffin removal ball |
CN111974772B (en) * | 2020-08-06 | 2024-04-02 | 西安长庆科技工程有限责任公司 | Automatic feeding device, system and method for screw rod pushing type paraffin removal ball |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151106 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20201228 |