Combine high-pressure positive test and negative inflow test for efficient liner top testing in one run.
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.
High-pressure positive and negative testing
4 1/2 in