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Liner Top Test Tools

Technology for efficient assessment of liners and liner packers

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Test liner integrity on same trip as displacement

These specialized tools are run in the displacement string to negatively or positively test one or more liners or liner packers all the way to the shoe track. Liner-top test tools scrape the casing to below the integral packer setting area. In addition, they are used to dress off the polished-bore receptacle (PBR) at the top of the liner. They permit access to the top of the shoe for complete wellbore displacement.

Liner Top Test Tools - combo

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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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Tech Report First 24-Hour HPHT Inflow Test Succeeds Without Applying Full Workstring Load to Liner Top

Application-specific WELL COMMISSIONER tool meets stringent Inflow test criteria.

Tech Report 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.

Case Study WELL COMMISSIONER Makes Drilling Cement, Shoe Tack on Inflow Test Run Routine in Saudi Arabia

After setting and cementing the 7-in. liner, the operator's standard procedure would be to make two trips into the well. The operator selected the M-I SWACO WELL COMMISSIONER tool, HEAVY DUTY RAZOR BACK CCT and MAGNOSWEEP or MAGNOSTAR string magnet tools as a one-trip system was designed to clean the liner to total depth.

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