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- Case Study: Extreamer® Completes Latin American Reaming Operation after 92 Circulating Hours
Case Study: Extreamer® Completes Latin American Reaming Operation after 92 Circulating Hours
- Drilling Optimization
In one trip, reamer enlarges 2,003m section from 9 5/8” to 10”
Challenge
Ream tight spots over 368m of 12 ¼” rat hole, below the prematurely set casing shoe, before underreaming 1,635m
of pre-drilled 9 5/8” hole to 10”, to section TD.
A customer in Latin America needed to underream a long predrilled 9 5/8” hole, but also had 368m of 12 ¼” rat
hole. The application would require the reamer to be robust, to maintain reliability through the unstabilised 12
¼” section prior to underreaming the pre-drilled 9 5/8” hole. Obviously, the reamer needed to reliably
deactivate once the operation was complete.
Solution
Run the Paradigm Extreamer® with Premium PDC
cutters.
Result
Using the 8” Paradigm Extreamer®, with 10”
cutters, the 368m of 12 ¼” rat hole was reamed without incident; other than noting regular torque spikes due to
chert and abrasive sandstones. The 1,635m of 9 5/8” hole was reamed out to 10” over just 42 hours of drilling and 92
circulating hours. Post-operational analysis of the run indicated the reamer performed perfectly, meeting all the
operational objectives of the application and the customer successfully ran the casing. Upon inspection, the
Paradigm Extreamer® with Premium PDC cutters was
found to be fully functional, and the cutters dull graded just in Gauge.