Patent Assignment
Reel/Frame 063285/0553
Assignment of Assignor's Interest
Recorded: 2023-04-11
Pages: 4
Assignors
LEI, WEI
Executed: 2022-12-15
HOU, ZHIMIN
Executed: 2022-12-15
DONG, HAIFENG
Executed: 2022-12-15
YAN, YANCHENG
Executed: 2022-12-15
LAN, LIN
Executed: 2022-12-15
WANG, XINGWEN
Executed: 2022-12-15
WANG, XIAOGANG
Executed: 2022-12-15
QIAO, ZHIGUO
Executed: 2022-12-15
FANG, ZHOU
Executed: 2022-12-15
Assignees
CHINA PETROLEUM & CHEMICAL CORPORATION
NO.22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT, BEIJING, 100728, CHINA
SINOPEC SOUTHWEST OIL & GAS COMPANY
NO.688, JITAI ROAD, HI-TECH INDUSTRIAL DEVELOPMENT ZONE, CHENGDU, SICHUAN, 610041, CHINA
Covered Property
(1)
Wellbore Staged Operation Method and Rubber Plug for Said Method