New, automated closed-loop steering devices are significantly reducing deviations from ideal wellpath in horizontal wells. These devices immediately counteract deviations from the planned path through ...

Rotary steerable, directional-drilling systems increased rate of penetration (ROP) and saved more than 100 days of rig time when used to drill complex 3D wellpaths in the 121/4-in. and 81/2-in. hole ...

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