Patent Assignment
Reel/Frame 042761/0340
Assignment of Assignor's Interest
Recorded: 2017-06-20
Pages: 3
Assignee
CSI TECHNOLOGIES LLC
DRILLING TECHNOLOGY CENTER, 2202 OIL CENTER COURT, HOUSTON, TEXAS, 77073
Covered Properties
(2)
Method of Placing Sealant into an Offshore Well to Abandon a Production Zone
Method of placing sealant into an offshore well to abandon a production zone
Application:
62/392,607 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 30, 2020
From: CSI TECHNOLOGIES, L.L.C.
To: WILD WELL CONTROL, INC.
Reel/Frame 053091/0345 →
Security Interest
Feb 11, 2021
From: CSI TECHNOLOGIES, LLC; SPN WELL SERVICES. INC.; STABIL DRILL SPECIALTIES, LLC; SUPERIOR ENERGY SERVICES, L.L.C.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 055281/0031 →
Security Interest
Oct 9, 2025
From: STABIL DRILL SPECIALTIES, L.L.C.; SUPERIOR INSPECTION SERVICES, L.L.C.; H.B. RENTALS, L.C.; SUPERIOR ENERGY SERVICES, INC.
To: TRUIST BANK, AS NOTES COLLATERAL AGENT
Reel/Frame 072526/0562 →