Pump Check

The Pump Check is an all metal pressure sealing valve designed to provide a pressure barrier to isolate ESPs preventing fall-back on the pump on ESP shutdown - a known cause of ESP failure.

Typically installed to an ESP completion above the pump, the Pump Chek incorporates an integral flapper featuring a unique'burst disc'. This can be manufactured to a pre-determined pressure rating (burst ratings: 1,000 - 4,000 psi) to allow rupturing of the disc should it be required to permanently equalise (open) the valve. Alternatively, the burst disc may also be activated using wireline or coiled tubing operations.

It allows pressure testing of production tubing and the setting of hydraulically operated tools, such as packers.