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.
The WELL DOMINATOR positive test tool is a customized ball-drop tool. Combining the positive test tool with the WELL COMMISSIONER liner top test tool enables the performance of a high-pressure positive test and a negative inflow test on the same run as well as the wellbore cleanup and displacement if required.
The positive test tool—hydraulically inactive while running in the hole—is activated when a dropped ball moves the internal sleeve. When the test is complete and pressure has been bled down, a second ball is dropped, and the upper internal sleeve isolates the fluid to the underside of the hold-down pads. The tool is then hydraulically neutral, and the hold-down pads are retained in their pockets. Additional operations can then be performed, such as inflow tests of the same liner top or mud-to-brine displacement.