Patent Assignment
Reel/Frame 050659/0357
Assignment of Assignor's Interest
Recorded: 2019-10-09
Pages: 8
Assignors
SHEN, YUELIN
Executed: 2019-10-08
ZHANG, ZHENGXIN
Executed: 2019-10-08
CHEN, WEI
Executed: 2019-10-08
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Rate of Penetration Drilling Operation Controller
Patent:
10,989,038 →
Application:
16/584,730 →