Lifting-Lowering Mechanically Operated Test Tools

This is a series of test tools operated by lifting and lowering the string, including packers, circulating valves, test valves and other auxiliary tools. The series covers cased-hole and open-hole single tests and straddle tests.

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

Multi-flow Test Valve

Downhole shut-in valve operated by picking up and slacking off the string

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

Spring Test Valve

Full-bore spring-closed test valve operated by string movement

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

Full Bore Test Valve

Full-opening test valve with bypass, operated by string movement

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

Extension Joint

Square-mandrel joint giving 550 mm of free stroke for tester operation

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

Jar

Upward-acting jar for freeing a stuck sieve tube or packer

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

Safety Joint

Coarse-thread safety joint for recovering the string above a stuck packer

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

Cased Hole Straddle Packer

Upper packer for isolating a zone between two packers in cased hole

Casing sizes: 5½, 7, 7⅝ in casing Working pressure: 10,000 psi

Slips Packer

Retrievable weight-set hang packer with built-in bypass

Casing sizes: 5, 5½, 6⅝, 7, 9⅝ in casing Working pressure: 7,100, 10,000 psi

Sieve Tube & Grooved Tail Pipe

Filtered flow entry for formation fluid into the test string

Tool sizes: 3⅞, 5 in

Gauge Carrier

Carrier for downhole gauges with shock damping

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

Open Hole Bypass Valve

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

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

Safety Seal

Hydraulic hold-down that keeps the open-hole packer sealed while the tester is cycled

Tool sizes: 5, 6, 7 in Working pressure: 10,000 psi

Open Hole Packer — Metal Cup Type

Retrievable weight-set open-hole test packer with metal-cup element support

Tool sizes: 5–6¼, 5¾–6¾, 7⅝–11½, 9⅝–13¾ in Working pressure: 5,000 psi

Open Hole Packer — Expansion Shoe Type

Retrievable open-hole test packer with expanding-shoe element support

Tool sizes: 4¾–6¾ in Working pressure: 5,000 psi

Side Wall Anchor

Borehole-wall anchor that supports the packer in open-hole straddle tests

Tool sizes: 5¾–6 11/16, 8¼–9½ in

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.