Circulating and Reversing Valves

Single-shot and multicycle valves for circulating, reversing out and spotting fluids at any point of the test.

SIERRA Multi Circulating Valve

Annulus pressure-operated circulating valve that opens and closes repeatedly

Tool sizes: 3⅛, 3⅞, 5 in Working pressure: 10,000, 15,000 psi

APS Circulating Valve & AP Circulating Valve

Single-shot safety circulating valve for the end of a well test

Tool sizes: 3⅛, 3⅞, 5 in Working pressure: 10,000, 15,000 psi

HPAPS Circulating Valve & HPAP Circulating Valve

High-pressure safety circulating valves for deep wells

Tool sizes: 3⅛, 3⅞, 5 in Working pressure: 15,000 psi

Flapper Circulating Valve

Safety valve, squeeze valve and circulating valve in one tool

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

TRUST Circulating Valve

Locked-open / locked-closed circulating and bypass valve for the TRUST packer

Casing sizes: 4½–5, 5½, 7⅝, 9⅝ in casing Working pressure: 10,000, 15,000 psi

SSD Hydraulic Circulating Valve

Weight-operated bypass / circulating valve with hydraulic delay

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

Internal Pressure Operated Circulating Valve

Full-bore circulating valve opened by internal differential pressure

Tool sizes: 3⅞, 5 in Working pressure: 10,000, 15,000, 12,300 psi

Shut-Off Circulating Valve

One-shot valve that seals the lower zone and opens circulation to the upper zone

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

Reverse Circulating Valve

Opens the drill string to the annulus for reverse circulation

Tool sizes: 3⅞, 4¼, 5, 6¼ in Working pressure: 10,000 psi

Safety Fluids Replacement Valve

Ball-operated safety circulating valve for fluid replacement above a shut-in ball valve

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.