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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
09/10/2019
Application #:
15418298
Filing Dt:
01/27/2017
Publication #:
Pub Dt:
05/18/2017
Inventors:
Lin SHI, Yingcao ZHOU, Wei LIU, Xiaoqiang ZHAI, Ying WANG, Kai WANG, Boqi ZHOU
Title:
METHODS OF WELL TRAJECTORY AND DRILLING OPTIMIZED CONTROL FOR FRACTURE-VUGGY CARBONATE FORMATION
Assignment: 1
Reel/Frame:
042180/0474Recorded: 04/28/2017Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
03/28/2017
Exec Dt:
03/28/2017
Exec Dt:
03/28/2017
Exec Dt:
03/28/2017
Exec Dt:
03/28/2017
Exec Dt:
03/28/2017
Exec Dt:
03/28/2017
Assignee:
ROOM 611, A BLOCK, NO.1
BUILDING, NO.5 YARD, YELLOW RIVER STREET, CHANGPING DISTRICT
BEIJING CITY, CHINA
Correspondent:
CALFEE, HALTER & GRISWOLD LLP
THE CALFEE BUILDING
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607
Assignment: 2
Reel/Frame:
055205/0359Recorded: 02/09/2021Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/08/2021
Assignees:
LIUPU KANG, XICHENG DISTRICT
BEIJING, CHINA 100120
NO. 5 HUANGHE STREET, CHANGPING DISTRICT
BUILDING 1
BEIJING, CHINA 102206
Correspondent:
JUN LU
1-708, BUILDING 5, 1 BEI QING ROAD, CHANGPING DIST
BEIJING, 102206 CHINA

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