Central Stinger Element Achieves ROP Record in Brazilian Presalt Layer | SLB
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Central Stinger Element Achieves ROP Record in Brazilian Presalt Layer

Published: 11/24/2014

Concrete blue texture
The SHARC PDC bit with Stinger element drilled 234 m at 15 m/h. The bit applied a WOB of 50 lbf until achieving section TD. After being pulled out of hole, the cutters exhibited low wear, showing that it could have been drilled for much longer.

The SHARC PDC bit with Stinger element drilled 234 m at 15 m/h. The bit applied a WOB of 50 lbf until achieving section TD. After being pulled out of hole, the cutters exhibited low wear, showing that it could have been drilled for much longer.

Location
Campos Basin, Brazil, South America
Details

Campos Basin
Offshore Brazil

Formation
Paramoa

Lithology
Carbonate, shale, and volcanic rock

UCS
10,000-25,000 psi

Background
An operator sought to increase ROP while drilling through a presalt layer of the deepwater Campos basin that consists of carbonate, shale, and volcanic rock with an unconfined compressive strength (UCS) of 10,000 to 25,000 psi.
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