CN204024515U - 一种特殊油管连接装置 - Google Patents
一种特殊油管连接装置 Download PDFInfo
- Publication number
- CN204024515U CN204024515U CN201420465556.3U CN201420465556U CN204024515U CN 204024515 U CN204024515 U CN 204024515U CN 201420465556 U CN201420465556 U CN 201420465556U CN 204024515 U CN204024515 U CN 204024515U
- Authority
- CN
- China
- Prior art keywords
- box cupling
- pipe connection
- platform
- particular oils
- length
- 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
- 239000003921 oil Substances 0.000 title claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 238000005728 strengthening Methods 0.000 claims abstract description 4
- 239000003129 oil well Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420465556.3U CN204024515U (zh) | 2014-08-19 | 2014-08-19 | 一种特殊油管连接装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420465556.3U CN204024515U (zh) | 2014-08-19 | 2014-08-19 | 一种特殊油管连接装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204024515U true CN204024515U (zh) | 2014-12-17 |
Family
ID=52064399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420465556.3U Expired - Lifetime CN204024515U (zh) | 2014-08-19 | 2014-08-19 | 一种特殊油管连接装置 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204024515U (zh) |
-
2014
- 2014-08-19 CN CN201420465556.3U patent/CN204024515U/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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Special oil pipe connecting device Effective date of registration: 20170316 Granted publication date: 20141217 Pledgee: Bank of China Limited by Share Ltd. Puyang science and technology new village branch Pledgor: HENAN DONGFANGLONG MACHINE MANUFACTURE Co.,Ltd. Registration number: 2017990000204 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180402 Granted publication date: 20141217 Pledgee: Bank of China Limited by Share Ltd. Puyang science and technology new village branch Pledgor: HENAN DONGFANGLONG MACHINE MANUFACTURE Co.,Ltd. Registration number: 2017990000204 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Special oil pipe connecting device Effective date of registration: 20180709 Granted publication date: 20141217 Pledgee: Puyang City Rural Credit Cooperatives Pledgor: HENAN DONGFANGLONG MACHINE MANUFACTURE Co.,Ltd. Registration number: 2018990000485 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20200902 Registration number: 2018990000485 Pledgee after: Puyang Rural Commercial Bank Co.,Ltd. Pledgee before: Puyang City Rural Credit Cooperatives |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200910 Granted publication date: 20141217 Pledgee: Puyang Rural Commercial Bank Co.,Ltd. Pledgor: HENAN DONGFANGLONG MACHINE MANUFACTURE Co.,Ltd. Registration number: 2018990000485 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |