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Page 56: of Offshore Engineer Magazine (Mar/Apr 2019)
Deepwater: The Big New Horizon
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TECH Drilling & Completions “MAGNUS ELIMINATES
MICRODOGLEGS AND
TORTUOSITY,
THE THINGS THE COMPLETION GUYS
HATE THAT COST A LOT OF MONEY
OVER THE LIFE OF THE WELL AND
WHICH CAN SOLVE LONG-TERM
PRODUCTION PROBLEMS.”
ETIENNE ROUX
WEATHERFORD
Source: Weatherford
Magnus is a robust tool, and its this year. streamlined design minimizes stuck Weatherford ran Magnus in the Mexi- pipe issues, according to the company. can sector of the Gulf of Mexico shelf
One of the key design features of in November 2018 for a client. In that
Magnus is its trio of independent pads, application, Magnus was replacing a which Weatherford developed in re- competitor’s push-the-bit RSS tool for sponse to customer pleas for a method a well in 161 feet water depth.
of RSS that would result in a smoother “We managed to exceed the competi- wellbore, he adds. The pads come out at tor’s delivery in rate of penetration and predetermined intervals to move the bit time to total depth,” Roux says.
in the required direction. All three pads Client KPIs called for an ROP at or can be switched off on demand, allow- above 9 m/hr through the section, and ing, for the ? rst time, true independent Magnus delivered more than 16 m/hr, pad control driving smoother wellbores according to Weatherford. In addition, and allowing for more ef? cient casing the company says, it was critical that the exits, he says. buildup rate was maintained at less than “Magnus eliminates microdoglegs 3.75 DLS, which Magus delivered on, and tortuosity, the things the comple- maintaining at 3.67 DLS.
tion guys hate that cost a lot of money Looking forward, Weatherford aims over the life of the well and which can to more fully automate Magnus. For ex- solve long-term production problems,” ample, Weatherford is ? ne-tuning soft-
Roux says. ware that makes it possible to automati-
The system has a dogleg capability of cally measure the direction and azimuth 10-plus degrees when needed to build a in a similar fashion that inclination is curve, according to the company, while being controlled, allowing for real-time high-speed sampling veri? es toolface adjustments to be made to stay on a pre- position. Weatherford has commercial- de? ned well trajectory and azimuth.
ized its 950 tools size for 12 1/4 inch “We’re doing a lot of work to make it hole sections and an 11 inch collar ver- possible to run Magnus autonomously,” sion of Magnus will be available later Roux says.
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