Email: sales@grandoiltech.com Phone: +86-28-83973858

Managed Pressure Drilling System

EKM® MPD History

GRANDOIL began the research, development, and manufacturing of our first-generation EKM® MPD System in 2013, achieving a milestone commercial deployment in April 2014 for CNPC in the Tarim Basin. Through years of dedicated engineering and control system optimization, we have advanced the technology from Generation 1 to Generation 7. Today, GRANDOIL provides comprehensive onshore and offshore MPD drilling services to China’s major operators, including CNPC, Sinopec, and CNOOC.

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Onshore MPD operations since 2014

Offshore MPD operations for

 Jackup rig since 2019

Offshore MPD operations for 

semi-submersible platform since 2022

GRANDOIL operates an extensive fleet of 32 complete EKM® MPD systems, having successfully delivered specialized drilling services for more than 400 wells since 2014. Grounded in this vast field experience, the company has established a comprehensive framework of proprietary EKM® MPD engineering standards, operational guidelines, and rigorous safety requirements to ensure flawless execution.

1. MPD Personnel and Crew Qualification Requirements

▲ First Aid
▲ 
IWCF or IADC

▲ EKM® MPD drilling experience

▲ H2S
▲ SCBA (
self-contained breathing apparatus)

2. Contingency Plans

▲ Plugged EKM chokes manifold
▲ RCD failure
▲ Drill string failure (Washout/Twist off)
▲ None return valve failure
▲ PWD tool failure
▲ Well control matrix

▲ EKM® MPD chokes washed out
▲ Plugged drill string
▲ Rig mechanical or power failure
▲ Dog house contingency plan
▲ Plugged Coriolis flowmeter

3. EKM® MPD Drilling Operation Procedures

▲ Load/Unload Equipment Procedures
▲ Pressure Test Equipment Procedure
▲ Tripping in/out Procedure
▲ EKM® MPD drilling equipment flushing procedure

▲ Rig up/down Equipment Procedures
▲ Connection Procedure
▲ RCD Bearing Assembly Changeout Procedure

4. Onsite EKM® MPD Drilling Orientation 

For the rig crew and 3rd parties on location, detail:

▲ EKM® MPD drilling operation procedures and contingency plans
▲ Hazardous areas and evacuation routes

▲ Radio communication protocol
▲ Safety practical drills

No EKM® MPD operations may proceed until all operational members are fully clear and aligned on all MPD procedures.

5. Risk Analysis during EKM® MPD drilling

▲ Poor communication
▲ Insufficient training
▲ Kick due to underbalanced BHP
▲ Failure to follow procedures

▲ Release of trapped gas and/or hot mud
▲ Losses due to induced formation fracture from over pressure
▲ Trapped pressure in lines

▲ Poor communication with MPD crew during mud tank operations  and critical valve manipulation (rig choke manifold, standpipe, and BOP).


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