CN203050538U - 一种油气井用新型油管 - Google Patents
一种油气井用新型油管 Download PDFInfo
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- CN203050538U CN203050538U CN 201320041204 CN201320041204U CN203050538U CN 203050538 U CN203050538 U CN 203050538U CN 201320041204 CN201320041204 CN 201320041204 CN 201320041204 U CN201320041204 U CN 201320041204U CN 203050538 U CN203050538 U CN 203050538U
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- 210000002445 nipple Anatomy 0.000 claims abstract description 25
- 230000008859 change Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 4
- 238000010168 coupling process Methods 0.000 abstract 4
- 238000005859 coupling reaction Methods 0.000 abstract 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003129 oil well Substances 0.000 description 8
- 230000008439 repair process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320041204 CN203050538U (zh) | 2013-01-25 | 2013-01-25 | 一种油气井用新型油管 |
Applications Claiming Priority (1)
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CN 201320041204 CN203050538U (zh) | 2013-01-25 | 2013-01-25 | 一种油气井用新型油管 |
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CN203050538U true CN203050538U (zh) | 2013-07-10 |
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CN 201320041204 Expired - Lifetime CN203050538U (zh) | 2013-01-25 | 2013-01-25 | 一种油气井用新型油管 |
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CN (1) | CN203050538U (zh) |
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2013
- 2013-01-25 CN CN 201320041204 patent/CN203050538U/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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200923 Address after: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee after: PetroChina Company Limited Address before: 063200 No. 27 Xincheng street, Tanghai County, Hebei, Tangshan City Patentee before: TANGSHAN JIDONG PETROLEUM MACHINERY Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201019 Address after: No.10 Guoan Road, comprehensive bonded zone, Caofeidian Industrial Zone, Tangshan City, Hebei Province Patentee after: TANGSHAN JIDONG PETROLEUM MACHINERY Co.,Ltd. Patentee after: PetroChina Company Limited Address before: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee before: PetroChina Company Limited |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
CX01 | Expiry of patent term |