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 ...
Efficient drilling in shale reservoirs requires detailed 3-dimensional (3D) horizontal well trajectories. An orthogonal-arc trajectory (OAT) method assumes a single constant curvature in the curved ...
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