Petrobras Uses Ridged Diamond Element Bit Enhanced with Conical Diamond Elements, Improves ROP 112%. | SLB
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Petrobras Uses Ridged Diamond Element Bit Enhanced with Conical Diamond Elements, Improves ROP 112%

Published: 08/14/2020

Concrete blue texture
Bar graph showing higher ROP and footage using the AxeBlade bit with Stinger elements.
A customized AxeBlade bit with strategically placed Stinger elements improved ROP up to 112% compared with offset runs using conventional PDC bits.
Location
Santos Basin, Brazil, South America, Offshore
Details

Section
Vertical

Wellbore
26 in

Lithology
Interbedded shale, carbonates, sandstone, and hard anhydrite layers

rpm
120–80

WOB
25,000–50,000 lbf

Background

Medium-hard interbedded shales, sandstone, and carbonates, along with hard anhydrite near the end of the interval, characterize the 26-in upper sections of the presalt wells drilled at Buzios Field. Two or more runs were necessary to finish these sections in previous wells. Petrobras needed to improve efficiency by drilling each 26-in section in a single run with optimized ROP.
Products Used
AxeBlade
Ridged diamond element bit

Improve penetration rates and directional control with our ridged 3D cutting element bit.
StingBlade
Conical diamond element bit

Significantly improve footage and ROP in hard-to-drill formations.
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