Carbon Footprint Reduction

Reduce Sections, Speed Up Tripping and Stick to One Density

Combine sections reduces the number of casings/liners and cement jobs which reduces transportation needs. 

Circulating with the same fluid system on top holes greatly saves on chemical consumption and logistical requirements.

Removing a section reduces rig time together with optimized operations. Improving margins and tripping faster is a notable time saver. 

Removing Casings/Liners and Cement Jobs

Top-holes can be drilled longer and sections combined with an engineered fluid with weighting materials. This is achieved by circulating with the same system instead of dumping the returns on the seabed. 

The Dual Gradient Effect generated when using Controlled Mud Level (CML) MPD enables combining sections, particularly in deepwater operations, by creating a pressure profile aligning with the drilling window.

Reducing Chemical Consumption and Fluid Systems

Drilling top-holes with returns to the rig enables the same fluid system to be used throughout the section. The fluid can afterwards be utilized for the next section or other wells.

With CML MPD only one fluid system is required. The fluid level is adjusted instead of displacing between drilling fluids, cementing fluids and tripping fluids.

Less Logistics

Reducing the need for cement, fluid chemicals and fluid systems reduces transportation requirements.

Reducing Rig Time

Removing a section and tripping faster are significant time saving factors.