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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
02/01/2022
Application #:
16814943
Filing Dt:
03/10/2020
Publication #:
Pub Dt:
07/22/2021
Inventors:
Xiaolin ZHANG, Wenfeng YIN, Qian LI, Hu YIN, Jiajia GAO
Title:
SAFETY DRILLING SYSTEM AND METHOD FOR PREVENTING COLLAPSE OF WATER-SENSITIVE FORMATION IN UPPER PART OF HIGH-PRESSURE SALTWATER LAYER
Assignment: 1
Reel/Frame:
052074/0397Recorded: 03/10/2020Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
02/26/2020
Exec Dt:
02/26/2020
Exec Dt:
02/26/2020
Exec Dt:
02/26/2020
Exec Dt:
02/26/2020
Assignee:
NO.8 XINDU AVENUE, XINDU DISTRICT CHENGDU, SICHUAN
CHENGDU, CHINA
Correspondent:
GOKALP BAYRAMOGLU
1540 W. WARM SPRINGS ROAD SUITE 100
HENDERSON, NV 89014

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