Downhole Tools Archive - Northstar Downhole Specialists | Well Intervention

Downhole Test Tools

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Circulating and Reversing Valves

Pump Out Sub

Pump-Out Sub

Used to circulate fluid from the drill string.

Multi Cycle Circulating Valve

Multi-Cycle Circulating Valve

Circulates fluid out of the tubing after a test.

Single Shot Circulating Valve AND Single Shot Fill Valve

Single-Shot Circulating Valve

Circulates fluid out of the tubing after a test.

Dual Shot Circulating Valve

Dual-Shot Circulating Valve

Dual cycle tool that can be configured for forward or reverse circulation.

Downhole Tester Valves

Dual Shot Ball Valve

Dual-Shot Ball Valve

Two-cycle ball valve.

Shut In Valve

Shut-In Valve

Used for compression set tests.

hydraulic valve

Hydraulic Valve

Down hole valve used in opening and closing the flow from the test zone.

M2 Tester Valve

M2 Tester Valve

Annulus pressure operated multi-cycle ball valve to control flows and shut-ins.

Downhole Safety Valves

Bop Safely Valve

BOP Safety Valve

A fail-safe sub-surface barrier.

Drain Valve

Drain Valve

A safe method for bleeding off trapped pressure.

Dual Shot Ball Valve

Dual-Shot Ball Valve

Two-cycle ball valve.

pump through flapper valve

Pump-through Flapper Valve

Annular rupture disc controlled emergency safety shut-in valve.

Hydraulic Jars, Safety Joints & Slip Joints

Safety Joint

Safety Joint

The Safety Joint provides a means for releasing a set of tools that are stuck in the hole.

Extension Joint

Extension Joint

Pressure test tubing while
running in-hole.

Slip Joint

Slip Joint

Compensation for string
length changes.

torque safety joint

Torque Safety Joint

A threaded joint that can be separated downhole by applying torque
to the work string.

Tension Safety Joint

Tension Safety Joint

Pressure test tubing while
running in-hole.

hydraulic jar

Hydraulic Jar

Delivers an upward shock to help free stuck tools in the well bore.

Pressure test & fill-up Valves

Boost Hydraulic Relay L

Boost Hydraulic Delay

tubing tester valves

Tubing Tester Valves

Pressure test tubing while running in-hole.

Dual Shot Ball Valve

Dual-Shot Ball Valve

Two-cycle ball valve.

Single Shot Circulating Valve AND Single Shot Fill Valve

Single-Shot Circulating Valve

Circulates fluid out of the tubing after a test.