Schlumberger

Tech Report: Wolfbone Operator Removes 33 lbm of Ferrous Debris from Openhole Well Using MAGNOGARD Magnet

Innovative extraction tool protects BHA from ferrous debris complications during horizontal drilling

Wolfbone Operator Removes 33 lbm of Ferrous Debris from Openhole Well Using MAGNOGARD Magnet

Publication Date: 11/09/2016

During a horizontal drilling campaign in the abrasive Wolfbone Formation, an operator encountered problems due to ferrous debris. Although no milling operations had taken place, iron particles in the wellbore were compromising the reliability of the rotary steerable system (RSS) and measurement-while-drilling (MWD) tools.

The operator incorporated the MAGNOGARD magnet into the drilling BHA, removing 33 lbm [15 kg] of ferrous debris before it could damage critical downhole tools. With the MAGNOGARD magnet in place, the operator drilled the extended horizontal section to total depth with no steering issues or formation damage.




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