To a casual observer, the horizontal directional drilling (HDD) techniques used by Directed Technologies Drilling, Inc. appear similar to those used in conventional vertical drilling.
Both processes use boring tools and drilling mud to install casing and well screen. Beyond these superficial aspects, the two methods differ significantly. The complications of drilling along a precise path in a horizontal plane, coupled with the challenges of well screen installation and development, make HDD considerably more complex than vertical drilling.
Our primer will educate you on some specifices of horizontal directional drilling including: