WELL COMMISSIONER Liner-Top Test Tool Eliminates Two Trips in Ghawar Field, Saves 2.5 Days | Schlumberger
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Location
Saudi Arabia, Asia
Details

Ghawar Field

Application
High-pressure positive and negative testing

Casing size
7 in

Liner size
4 1/2 in

Background
For monobore wells in the Ghawar field, a Middle East operator typically performed a dedicated scraping run before running an individual highpressure testing packer. The high-pressure test at the top of the liner required two dedicated runs, which took 2.5 days or more. To save time, M-I SWACO proposed adapting the WELL COMMISSIONER liner-top test tool for high-pressure testing in addition to the standard negative inflow test.
Products Used
WELL DOMINATOR Positive Test Tool
WELL COMMISSIONER Liner Top Test Tool

WELL COMMISSIONER Liner-Top Test Tool Eliminates Two Trips in Ghawar Field, Saves 2.5 Days

Operator drills, cements, and tests well in the same run, Saudi Arabia

WELL COMMISSIONER Liner-Top Test Tool
M-I SWACO developed the WELL DOMINATOR sub tool to extend the capabilities of the WELL COMMISSIONER tool. By using the same packer for both tests, the operator was able to drill cement and test the well in a single run— completing the job in record time for monobore wells and saving 2.5 days.
Products Used
WELL DOMINATOR
Positive test tool

Combine high-pressure positive test and negative inflow test for efficient liner top testing in one run.
WELL COMMISSIONER
Liner top test tool

Perform inflow testing, negative testing, and displacement in a single trip.

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