A new record for horizontal drilling technology under complex geological conditions was set by a Chinese hydropower company on Wednesday, with the termination depth reaching as deep as 775.6 meters ...

as the Father of HDD, crossed the Pajaro River in northern California in 1971. Horizontal directional drilling (HDD) has gained popularity in the power delivery industry for undergrounding ...

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 ...

With limited public notice, the US Army Corps of Engineers has placed a new option on the table for the future of the Line 5 pipeline as it prepares to make a high-profile permitting decision about ...

Drilling supervisors at GDF Suez E&P Deutschland GMBH have used a visual road map to control drilling operations since March 2008. The Leer Z5-5 is one of the tight gas wells recently drilled by GDF ...