Auxiliary Tools

Gauge carriers, samplers, drain valves, shock absorbers and other components that complete the test string.

Gauge Carrier

Carrier for downhole pressure and temperature gauges, designed to suit the gauge

Tool sizes: As required in Working pressure: 10,000, 15,000 psi

Gauge Carrier

Carrier for downhole gauges with shock damping

Tool sizes: As required in Working pressure: 10,000, 15,000 psi

AP Sampler

Full-opening sampler that captures formation fluid downhole

Tool sizes: 3⅞, 5 in Working pressure: 10,000, 15,000 psi

Needle-Type Drain Valve

Recovers the fluid sample trapped between two ball valves at surface

Tool sizes: 3⅞, 5 in Working pressure: 10,000, 15,000 psi

Sleeve-Type Drain Valve

Transfers the sample trapped between two closed ball valves

Tool sizes: 3⅞, 5 in Working pressure: 10,000, 15,000 psi

Ball Receive Sub

Catches the dropped steel ball without restricting flow

Tool sizes: 2⅞, 3½ in

Sieve Tube & Grooved Tail Pipe

Filtered flow entry for formation fluid into the test string

Tool sizes: 3⅞, 5 in

Open Hole Bypass Valve

Weight-operated bypass for open-hole testing with delayed opening

Tool sizes: 3¾, 5 in Working pressure: 10,000 psi

Hydraulic Locking Joint

Hydrostatic hold-down that keeps the packer set while the tester is cycled

Tool sizes: 3¾, 5 in Working pressure: 10,000 psi

Bumper

Absorbs perforating shock below the packer in TCP + DST jobs

Tool sizes: 3⅞, 4, 5 in Working pressure: 10,000, 15,000 psi

Radial & Vertical Shock Absorbers

Protect gauges and the string from TCP gun shock loads

Tool sizes: 5–6⅝, 7–9⅝ in Working pressure: 10,000, 15,000 psi

AP Downhole Throttle Valve

Annulus-operated downhole choke that prevents hydrate formation in gas-condensate wells

Tool sizes: 3⅞, 5 in Working pressure: 10,000, 15,000 psi

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.