TELEMETRY OPERATED CEMENTING PLUG RELEASE SYSTEM

摘要

A plug release system for cementing a tubular string into a wellbore includes: a wiper plug; a tubular housing; a latch for releasably connecting the wiper plug to the housing. The latch includes: a fastener engageable with one of the wiper plug and the housing; a lock movable between a locked position and an unlocked position, the lock keeping the fastener engaged in the locked position; and an actuator connected to the lock and operable to at least move the lock from the locked position to the unlocked position. The plug release system further includes an electronics package disposed in the housing and in communication with the actuator for operating the actuator in response to receiving a command signal.

主权项

1. A system comprising:
a tubular string having a plug release mechanism fixed at a lower end, wherein, when the tubular string is installed in a wellbore, the lower end is remote from a surface of the wellbore; a releasable plug; and a wireless identification tag, wherein the plug release mechanism is configured to release the releasable plug in response to a wireless signal from the wireless identification tag.