SLB launches electrical downhole coiled tubing control system

SLB (NYSE: SLB) has launched the ExaCT electrical downhole coiled tubing control system, a platform that replaces pressure-dependent hydraulic actuation with real-time electrical control for coiled tubing intervention operations.

The system combines electrical power, telemetry and downhole measurements to enable communication with and actuation of downhole tools throughout an intervention. It supports multiple services in a single run, including logging, stimulation, isolation and shifting operations, according to a company statement.

"Operators are asking intervention systems to do far more than simply actuate downhole tools," said Frederik Majkut, president of Reservoir Performance at SLB. "The ExaCT system represents a fundamental shift to electrically controlled intervention, helping operators improve execution certainty, reduce intervention time and maximize reservoir access."

SLB said field deployments have shown operational improvements compared with conventional hydraulic methods. In one six-lateral well intervention, the system reduced intervention time by approximately 175 hours, with operators able to enter each lateral in about 12 minutes compared with six to eight hours using conventional hydraulic systems. That operation stimulated more than 21,000 feet of reservoir contact while reducing fluid consumption by more than 3,000 barrels.

In cleanout and scale-removal operations, the system reduced intervention time by up to 30% and fluid consumption by 20%, while sustaining 81 hours of continuous downhole operation, the company said.

The platform is designed to support extended-reach and multilateral wells and is intended to provide a foundation for automated intervention workflows.

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