Patent Assignment
Reel/Frame 013814/0782
Assignment of Assignor's Interest
Recorded: 2003-02-20
Pages: 3
Assignor
FU, DIANKUI
Executed: 2003-02-20
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Self-Diverting Pre-Flush Acid for Sandstone