Patent Assignment
Reel/Frame 062284/0679
Assignment of Assignor's Interest
Recorded: 2023-01-05
Pages: 5
Assignor
CNPC USA CORPORATION
Executed: 2023-01-05
Assignees
CNPC USA CORPORATION
2901 WILCREST DRIVE, SUITE 600, HOUSTON, TEXAS, 77042
BEIJING HUAMEI, INC.
NO. 23 TAIYANGGONG SOUTH ST., CHAO YANG DISTRICT, BEIJING, 102200, CHINA
CHINA NATIONAL PETROLEUM CORPORATION
NO. 9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT, BEIJING, 100007, CHINA
Covered Properties
(2)
A Method of Hydraulic Fracturing Utilizing a Hydraulic Fracturing Fluid with a Single Phase Liquid Proppant
Compositions of Hydraulic Fracturing Fluid and Method Thereof
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 11, 2019
From: LIN, LIJUN; HUANG, JIANGSHUI; BAI, LITAO; YU, STEPHANIE
To: CNPC USA CORPORATION
Reel/Frame 049427/0461 →
Assignment of Assignor's Interest
Jul 20, 2020
From: LIN, LIJUN; HUANG, JIANGSHUI; BAI, LITAO; YU, STEPHANIE
To: CNPC USA CORPORATION
Reel/Frame 053258/0485 →