Downhole Tester Valves
Ball and flapper tester valves for flow and build-up periods, operated by annulus pressure, internal pressure or pipe movement.
MAIN Test Valve
Annulus pressure-operated downhole test valve for repeated open/close
KIKO Locked-Open Test Valve
Test valve that opens and closes repeatedly and locks open without holding annulus pressure
Locked-Open Test Valve for Shallow Wells
Simple lock-open test valve for wells with hydrostatic pressure below 5,500 psi
Select Test Valve
Multi-cycle test valve with switchable standard and locked-open modes
AP Open-Shut Off Valve
Single open/close cycle valve with circulation after shut-in
AP Shut-Off Valve & AP Open Valve
One-time full-bore valves that together complete one open/close cycle
Normally Open Valve
Circulating valve closed by dropping a ball — used for fluid replacement in acidizing
Normally Closed Valve
Circulating valve opened by dropping a ball — used for circulation after testing
Dual Passage Normally Closed Valve
Full-opening kill circulating valve with two circulation passages
Multi-Flow Test Valve
Downhole shut-in valve operated by picking up and slacking off the string
Spring Test Valve
Full-bore spring-closed test valve operated by string movement
Full Bore Test Valve
Full-opening test valve with bypass, operated by string movement
Planning a well test or restocking your DST fleet?
Tell us the casing size, pressure rating and service conditions. We will come back with a configured string and a quotation.