The Command Activated Sandface Valve (CA-SFV) was developed to significantly improve productivity by enabling improved wellbore clean-up, particularly in extended reach and open-hole completions. Inefficient wellbore clean-up of highly deviated completions is common in production wells. Current solutions include smart well technology or time consuming clean up procedures that are both expensive and difficult to implement, leading to loss in well productivity, restricted access to reserves and in some cases a requirement to sidetrack the well.

A UK operator had observed no flow from the toe of one of its wells, while experiencing high drawdown at the heel section due to the dominance of high productive intervals. This threatened the economics for the overall field development. The CA-SFV was developed based on this operator's requirement to bring a high level of control over how they selectively cleaned up and flowed the reservoir sections. The key objectives of the valve were to allow sequential clean-up of the reservoir section from the toe to the heel without intervention or incremental rig time. Each valve had to be remotely activated by a pressure recognition signal and also had to deliver the mechanical functionality of a sliding side door for future water shut-off capability along the well bore.

Development of the valve was closely monitored by the operator including a technical assurance review and failure mode and effects analysis process. The result is a successfully field proven completion tool and a new completion technique for a more optimal production regime and increased oil recovery. The increased production and recovery from using this technology made the field development economically feasible. The Sandface Valve technology has now seen well over 100 installations with a functional 100% success rate.

Based on these successful installations, the remote technology platform has been developed further to allow this remote activation technology to become applicable for other common well applications.

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