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S2 Centralizers and 00SO Stop Collars Are Successfully Re-Run After Casing Is Pulled

Centek /23rd October 2024/ PERMIAN BASIN

In a Permian Basin well operation, an operator had to pull casing due to a floatation sub misplacement. Centek’s S2 single-piece bow spring centralizers and 00SO slip-on stop collars were deployed (135 units), survived the trip out unscathed, and were re-run successfully on a second insertion. The flawless performance—despite the highly deviated wellbore—demonstrated the durability, reliability and cost-saving potential of Centek’s products.

All the S2s still looked in great shape after POOH. The RIH was faster than expected on both trips.

THE CHALLENGE

During run-in-hole on a Permian Basin well in West Texas, a leading operator needed to pull casing due to improper placement of a floatation sub, unrelated to the centralizers. 

THE SOLUTION

The operator chose to run 135 each of Centek’s 5 1/2 x 6 1/2” S2 single piece bow spring centralizers due to their strength and flexibility. They also utilized Centek’s 00SO stop collars. All 135 S2 centralizers were inspected after the casing had been pulled and were found to be undamaged, still at gauge and ready for a 2nd trip downhole. They were re-run saving the operator time and money. 

THE RESULT

The centralizers, despite going round trip in a highly deviated wellbore, performed as simulated, getting quickly to TD in both instances. 

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Product Used

The revolutionary S2 bow spring centralizer is a high-performance, single-piece solution specifically designed for challenging wellbores.

Its engineered combination of strength and flexibility enhances run-in-hole (RIH) efficiency, reducing time and costs for operators aiming to reach total depth.

S2 Bow Spring Centralizer