Patent Assignment
Reel/Frame 042188/0708
Assignment of Assignor's Interest
Recorded: 2017-05-01
Pages: 6
Assignors
LI, ZHONGXING
Executed: 2017-04-28
ZHAO, JIYONG
Executed: 2017-04-28
QU, XUEFENG
Executed: 2017-04-28
LEI, QIHONG
Executed: 2017-04-28
HE, YOUAN
Executed: 2017-04-28
GAO, WUBIN
Executed: 2017-04-28
LIU, WANTAO
Executed: 2017-04-28
WANG, XUANRU
Executed: 2017-04-28
CHEN, WENLONG
Executed: 2017-04-28
ZHAO, GUOXI
Executed: 2017-04-28
Assignee
PETROCHINA COMPANY LIMITED
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT, BEIJING, CHINA
Covered Property
(1)
Method for Enhancing Oil Recovery in Huff-Puff Oil Production of Tight Oil from a Fractured Horizontal Well