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CERTIS High-Integrity Reservoir Test Isolation System

Overview Library

The CERTIS high-integrity reservoir test isolation system is a first-of-a-kind retrievable test system that delivers production-level isolation. The CERTIS system’s built-in floating seal assembly allows it to function like a production packer, and a straight pull easily releases the packer for added flexibility.

Minimized string complexity

The CERTIS isolation system minimizes complexity through a simplified string design that eliminates the need for drill collars and slip joints. This simplified string design reduces the number of individual tools, connections, and dynamic seals required downhole for more efficient operations.

Better reservoir connectivity

With the CERTIS system, you can select the optimal perforating gun size to achieve a better connection to your reservoir. The system also allows gauges to be positioned below the packer, putting them closer to the reservoir during testing for the highest quality pressure measurements.

Safer, lower-risk operations

The CERTIS isolation system is set without string rotation or mechanical movement for faster, lower-risk operations, especially in subsea environments. The system provides the option to place a below-packer circulating valve (BPCV) on the test string for a more efficient well kill, particularly important during gas well testing.

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Quartet System's Advanced Downhole Configuration

The Quartet test string combines 4 leading technologies—IRDV, SCAR, CQG, CERTIS—for safer and more efficient downhole reservoir testing.

Visit the Quartet webpage