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Explore the key challenges in modern offshore drilling and see how Enhanced Drilling’s solutions help operators improve performance, reduce risk, and enhance well integrity.

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Top-Hole Challenges
Creating a stable foundation.
Shallow Flow Hazards
Cuttings Build-Up
Cementing Top-Holes
WellBore Instability
Extending / Removing Sections
Environmental & Regulatory 
Meeting targets while reducing footprint.
Environmentally Sensitive Areas
Reduce Carbon Footprint
Reduce Logistic Demand
Reduce Rig Time
Pressure Management
Staying within the window
Narrow Operating Windows
Depletion
Lost Circulation
Influx Management
Cementing
Well Completion
Finishing strong – safely and productively..
Managed Pressure Gravel Packing
Higher Production
Deepwater & Ultra-Deepwater
More depth. More risk. More need for control.
Complex Well Architecture
Influx Management
Narrow Operating Windows

Precision Tools That Enable Safer, Smarter Wells

Our technologies are categorized by drilling phase – helping you find the right solution faster.

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Well Diagram - Top Hole Section

Top-Hole Section

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Technologies
Help you drill faster, cleaner, and safer from day one — while protecting the environment and reducing risk in the most fragile part of the well.
RMR® – Riserless Mud Recovery
CTS – Cuttings Transportation System
MPC® – Managed Pressure Cementing
Well Diagram - Intermediate Section

Intermediate section

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Technologies
Helps you drill deeper with fewer casing strings, improved stability, and better safety — even in narrow pressure windows.
EC-Drill® Dual MPD
EC-Drill®
EC-Monitor™
Well Diagram - Reservoir & Completion Section

Reservoir and Completion

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Technologies
Helps maximize production rates, protect the reservoir, and simplify completion — even in depleted zones or challenging formations.
EC-Drill® Dual MPD
EC-Drill®
EC-Monitor™

Managing Shallow Flow Hazards

Avoiding or detecting shallow water and gas flow in top-hole sections demands a different approach with advanced monitoring to mitigate risks effectively.

Why Shallow Flow Hazards Pose Significant Risk

Shallow flow hazards pose significant risks during the top-hole section where water and gas can uncontrollably flow to the seabed. These hazards can compromise well integrity, damage structural components like casing strings, and have detrimental environmental impacts.

Minimizing the likelihood for these flows or detecting them early is crucial for maintaining safe and efficient operations.

Deal With Shallow Flow Hazards in Offshore Wells | Enhanced Drilling

Accurate Volume and Pressure Control

Conventional drilling methods often fall short in effectively avoiding or managing shallow flow hazards, due to their inability to use a weighted fluid or monitor and adjust to sudden changes in well conditions. The RMR® and MPC systems provide robust solutions, by enabling the use of an engineered fluid together with precise volume control and pressure adjustments while drilling and cementing.

Pressure Management 

The best way to manage shallow flow hazards is ensuring overbalance with the use of a weighted drilling fluid. Early detection is essential for minimizing the effect of shallow flow. Our systems offer the ability to drill with weighted fluid and provide full volume and pressure control for all operations.

RMR®

Ensuring Continuous Monitoring and Control

By creating a closed-loop system that returns all drilling fluid to the rig, RMR® allows for continuous volume control and monitoring throughout the drilling and cementing operations. This system is essential for detecting and mitigating shallow flow hazards, allowing for immediate response while using a weighted drilling fluid to maintain overbalance pressure.

Key Benefits:

  • Drill top holes using a weighted engineered fluid
  • Extend or combine the top hole sections
  • Zero discharge and reduced logistical challenges
  • Volume control and EKLD
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MPC®

Optimizing Cement Integrity with Pressure Management

MPC provides the capability to adjust annulus pressure during and after cement operations to prevent the formation of flow channels in the cement. This method enhances the integrity of the cement barrier, reduces the risk of cement failure, and ensures the successful isolation of shallow flow zones.

Key Benefits:

  • Managed Pressure Cement of top holes
  • Avoid expensive lightweight or foam cements and reduce logistics
  • Cement without losses
  • Apply pressure when cement is setting
  • Isolate the flow zone
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EC-Drill® and RMR® Technology

Providing Large Savings for Shell

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Mitigate Shallow Flow Risks With Confidence

Mitigate Shallow Flow Risks With Confidence

Ready to improve well integrity and manage shallow flow hazards more effectively? Reach out to our team or explore the full range of technologies designed to keep your top-hole operations safe and efficient.
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