Systems and methods for connecting separate coiled tubing strings at a wellsite

A coiled tubing (CT) connector for connecting separate CT strings at a wellsite, the CT connector assembly comprising:

• a first sub extending between an uphole end and a downhole end and comprising a first connector located at the uphole end thereof and a second connector located at the downhole end thereof;
• a second sub extending between an uphole end and a downhole end and comprising a third connector located at the uphole end thereof and connected to the second connector of the first sub;
• a slip connected between the first sub and the second sub and comprising one or more engagement members formed on an inner surface thereof for biting into an outer surface of a CT string;
• and
• a piston slidably received in a central passage of the first sub and extending between an uphole end and a downhole end, the piston having a central passage extending between the uphole end and the downhole end of the piston, wherein the piston defines a seat for receiving an obturating member to restrict fluid flow through the central passage of the piston from the uphole end to the downhole end of the piston.

A method for connecting separate coiled tubing (CT) strings at a wellsite, the method comprising:

• (a) locking a CT connector assembly to a terminal end of a first CT string;
• (b) pressurizing a central passage of the CT connector assembly to apply fluid pressure to an annular seal located in the central passage of the CT connector assembly;
• or
• (c) performing a tensile test on the connection formed between the CT connector assembly and the first CT string by applying an axially directed force to the terminal end of the first CT string.