The FIT is deployed on wireline and landed against the safety valve nipple no-go. The tool is then slowly lifted. If an overpull is achieved, this verifies that the flapper is not housed as it should be and could lead to a potential fishing event should the tool string be deployed below this point. If no overpull is achieved, this verifies the flow tube is fully stroked, the flapper is contained as designed, and intervention can safely take place.

‍After determining flapper status, the FIT must be activated by downward jarring against the nipple no-go which closes the catch area, providing a continuous flush OD and allowing retrieval to surface.

‍A brass impression plate on the bottom sub of the tool collects extra information about an open flapper.

Features:

- Fail-safe close feature.

- Suitable for various safety valve sizes/types.

Benefits:

- Quickly and cost effectively establish a safety valve is safe to run wireline operations through.

- Simple to run.

- No need for specialist personnel.