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CERTIS

High-integrity reservoir test isolation system

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Firm anchor and reliable seal for the duration of each test

The streamlined design of the CERTIS reservoir test isolation system enables setting with no string rotation or mechanical movement for highly secure placement. Operations are faster and lower risk, with additional safety enhancements from the reduced number of tools, connections, and seals required downhole.
Schlumberger workers in the background and CERTIS high-integrity reservoir test isolation system in the foreground.

Isolation without compromise—Retrievable production-level performance for single-trip testing operations

Two Schlumberger workers discussing the tool as part of the CERTIS high-integrity reservoir test isolation system.

Enhance your test’s reservoir connectivity and measurement capabilities to meet your test objectives

With the CERTIS system, you can select the optimal perforating gun size to achieve a better connection to the reservoir.

Gauges can be positioned below the packer, closer to the reservoir during testing for the highest-quality pressure measurements. And you’ll get those data in real time by running the CERTIS system with the Quartet downhole reservoir testing system enabled by Muzic wireless telemetry.

CERTIS
High-integrity reservoir test isolation system

Quartet

Downhole reservoir testing system

Monitor and manage wellbore events as they happen, validate pressure data while you test, and ensure that you've met your test objectives before ending your test.

Quartet-HT

High-temperature downhole reservoir testing system

Get reservoir-representative fluid samples and high-resolution pressure measurements with multicycle flexibility in a single run and at ultrahigh temperatures.
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Case Study Real-Time Reservoir Characterization Answers Optimize Deepwater Well Test in Underbalanced Conditions

Monitoring in real time enables successful drillstem testing in a high-pressure reservoir offshore Brazil.

Product Sheet CERTIS High-Integrity Reservoir Test Isolation System

Retrievable, single-trip production-level isolation system.

Case Study Cobalt Saves 2.6 Days Using the 9 5/8-in CERTIS System for Deepwater Presalt Well Testing

The high-integrity reservoir test system successfully runs, sets, and retrieves the test string in a single run, saving time and costs, offshore Angola.

Case Study Comprehensive Reservoir Test in Open-Perforation, Ultradeepwater Presalt Well Saves 10 Rig Hours

Quartet system enables efficient, single-trip test operation that met all objectives sooner than expected, offshore South America.

Case Study Single-Trip Downhole Reservoir Test Saves Rig Time in Ultradeepwater Presalt Environment

Quartet system increases test flexibility, reduces string length, and simplifies operations offshore South America.

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High-integrity reservoir test isolation system

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