Patent Assignment
Reel/Frame 072257/0389
Merger
Recorded: 2025-09-15
Pages: 5
Assignor
OPLA ENERGY ULC
Executed: 2025-09-04
Assignee
CITADEL DRILLING LTD.
855-2 STREET SW, SUITE 3500, CALGARY, T2P 4J8, CANADA
Covered Properties
(13)
Managed Pressure Drilling Manifold and Methods
Monobore Drilling Methods with Managed Pressure Drilling
Choke Controller, System, and Method Using Adaptive Proportional Gain to Control Choke Based on Pressure Setpoint
Rheology Device and Method
Pressure Management Device for Drilling System
Internet of Things in Managed Pressure Drilling Operations
Choke Controller, System, and Method Using Adaptive Proportional Gain to Control Choke Based on Pressure Setpoint
Managed Pressure Drilling Manifold and Methods
Rotating Control Device
Application:
18/199,315 →
Publication:
US 2023/0287754
Internet of Things in Managed Pressure Drilling Operations
Pressure Management Device for Drilling System
Application:
18/807,875 →
Publication:
US 2024/0410250
Monobore Drilling Methods with Managed Pressure Drilling
Method and System for Utilizing Real-Time Drilling Rig Data to Optimize and Automate Drilling Rig Operations
Application:
19/288,937 →
Related Assignments
(16)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 8, 2020
From: KHORSHIDIAN, HOSSEIN; SHPAK, VITALIY; MAMMADOV, ELVIN
To: OPLA ENERGY LTD.
Reel/Frame 054583/0096 →
Assignment of Assignor's Interest
Apr 9, 2021
From: MAMMADOV, ELVIN; CODY, SHAWN; ALIZADEH, AHMAD
To: OPLA ENERGY LTD.
Reel/Frame 055880/0305 →
Assignment of Assignor's Interest
Jun 11, 2021
From: KHORSHIDIAN, HOSSEIN; LOWE, SKYLER; AFSHARI, SAIED
To: OPLA ENERGY LTD.
Reel/Frame 056514/0881 →
Assignment of Assignor's Interest
Jul 1, 2021
From: KHORSHIDIAN, HOSSEIN; MAMMADOV, ELVIN; AFSHARI, SAIED; ALIZADEH, AHMAD
To: OPLA ENERGY LTD.
Reel/Frame 056736/0077 →
Assignment of Assignor's Interest
Jul 13, 2022
From: SHPAK, VITALIY; MAMMADOV, ELVIN; KHORSHIDIAN, HOSSEIN
To: OPLA ENERGY LTD.
Reel/Frame 060500/0960 →
Assignment of Assignor's Interest
Feb 15, 2023
From: MAMMADOV, ELVIN; SHAWN, CODY
To: OPLA ENERGY LTD.
Reel/Frame 062713/0947 →
Assignment of Assignor's Interest
Apr 10, 2023
From: KHORSHIDIAN, HOSSSEIN; LOWE, SKYLER; AFSHARI, SAIED
To: OPLA ENERGY LTD.
Reel/Frame 063278/0432 →
Assignment of Assignor's Interest
May 5, 2023
From: KHORSHIDIAN, HOSSSEIN; SHPAK, VITALY; MAMMADOV, ELVIN
To: OPLA ENERGY LTD.
Reel/Frame 063556/0468 →
Corrective Assignment to Correct the Conveying Party Data Name of Assignor Cody Shawn to Shawn Cody Previously Recorded at Reel: 062713 Frame: 0947. Assignor(S) Hereby Confirms the Assignment.
May 11, 2023
From: MAMMADOV, ELVIN; CODY, SHAWN
To: OPLA ENERGY LTD.
Reel/Frame 063626/0801 →
Assignment of Assignor's Interest
May 18, 2023
From: SHPAK, VITALIY; KHORSHIDIAN, HOSSEIN
To: OPLA ENERGY LTD.
Reel/Frame 063689/0759 →
Assignment of Assignor's Interest
Dec 13, 2023
From: MAMMADOV, ELVIN; CODY, SHAWN
To: OPLA ENERGY LTD.
Reel/Frame 065864/0344 →
Assignment of Assignor's Interest
Jun 26, 2024
From: MAMMADOV, ELVIN; CODY, SHAWN; ALIZADEH, AHMAD
To: OPLA ENERGY LTD.
Reel/Frame 067846/0812 →
Assignment of Assignor's Interest
Aug 16, 2024
From: SHPAK, VITALIY; MAMMADOV, ELVIN; KHORSHIDIAN, HOSSEIN
To: OPLA ENERGY LTD.
Reel/Frame 068318/0871 →
Assignment of Assignor's Interest
Aug 1, 2025
From: MAMMADOV, ELVIN; ALIZADEH, AHMAD; GUO, CHEN
To: OPLA ENERGY LTD.
Reel/Frame 071915/0906 →
Change of Name
Sep 15, 2025
From: OPLA ENERGY LTD
To: OPLA ENERGY ULC
Reel/Frame 072896/0624 →
Merger
Sep 15, 2025
From: OPLA ENERGY LTD.
To: OPLA ENERGY LTD.
Reel/Frame 072257/0174 →