Patent ID: 11913294
Assignee: CENOVUS ENERGY INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 8:
9. A method of controlling a coiled tubing injector for running coiled tubing into and out of a well in a hydrocarbon-bearing formation, the method comprising:
retracting the coiled tubing from the well utilizing a gripping mechanism of the coiled tubing injector;
in response to an indication of a change from presence of coiled tubing to absence of coiled tubing at a coiled tubing indicator disposed between the gripping mechanism and a blowout preventer coupled to a head of the well, automatically discontinuing retracting the coiled tubing;
wherein the coiled tubing indicator comprises an indicator arm coupled to a base of the coiled tubing injector, and the indication of a change comprises movement of the indicator arm from a first position in which the coiled tubing is present and a second position in which the coiled tubing is absent.