ACTUATION SYSTEM FOR A DOWNHOLE TOOL

摘要

Downhole tools (15) and systems can be actuated chemically by placing a chemical sensor (14) downhole and introducing a chemical slug (16) into fluids being pumped downhole. When the slug reaches the sensor a reaction in the sensor may be employed to trigger an event (e.g., actuation) or may cause a count to increase by one on its way to a full count an actuation of a tool or a system downhole.