ETM datareveal thattheYuanmoufault is mainly characterized by horizontal left-lateral andshearstrike-slip, including ringent shear and pressed shear in part.
One building is horizontal, stretching from left to right.
VOA: special.2011.04.13
Drillers also use sensors to detect particularly promising rock intervals within the formation, and are able to move the drill string up or down, left or right as they drill through the horizontal section to target those intervals.