Blind plate assembly
The utility model provides a blind plate assembly which comprises at least three sector mounting plates, threaded pillars and locking parts. Each sector mounting plate comprises a fixing part and a sector part connected with the fixing part. The sector parts of the sector mounting plates are in lap...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
05.11.2014
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Subjects | |
Online Access | Get full text |
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Abstract | The utility model provides a blind plate assembly which comprises at least three sector mounting plates, threaded pillars and locking parts. Each sector mounting plate comprises a fixing part and a sector part connected with the fixing part. The sector parts of the sector mounting plates are in lap joint to form a circle, the fixing parts are located in the center of the circle, and bar-shaped open holes are formed in the centers of the fixing parts. The threaded pillars penetrate through the bar-shaped open holes of the sector mounting plates and are provided with blocking parts protruding out of the side walls of the threaded pillars in the radial direction and blocking the fixing parts. The locking parts are in threaded connection with the threaded pillars. The mounting plates are located between the blocking parts of the threaded pillars and the locking parts. According to the blind plate assembly, the blind assembly is detachably installed in a casing pipe and can be detached after well cementation is co |
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AbstractList | The utility model provides a blind plate assembly which comprises at least three sector mounting plates, threaded pillars and locking parts. Each sector mounting plate comprises a fixing part and a sector part connected with the fixing part. The sector parts of the sector mounting plates are in lap joint to form a circle, the fixing parts are located in the center of the circle, and bar-shaped open holes are formed in the centers of the fixing parts. The threaded pillars penetrate through the bar-shaped open holes of the sector mounting plates and are provided with blocking parts protruding out of the side walls of the threaded pillars in the radial direction and blocking the fixing parts. The locking parts are in threaded connection with the threaded pillars. The mounting plates are located between the blocking parts of the threaded pillars and the locking parts. According to the blind plate assembly, the blind assembly is detachably installed in a casing pipe and can be detached after well cementation is co |
Author | SUN LIMIN SUN YIXIANG DONG QIWEI |
Author_xml | – fullname: DONG QIWEI – fullname: SUN LIMIN – fullname: SUN YIXIANG |
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Notes | Application Number: CN20142226287U |
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RelatedCompanies | PETROCHINA COMPANY LIMITED |
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Snippet | The utility model provides a blind plate assembly which comprises at least three sector mounting plates, threaded pillars and locking parts. Each sector... |
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SubjectTerms | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
Title | Blind plate assembly |
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