Dando rigs head for Indonesian coal exploration

Dando has just confirmed two separate orders from Indonesia for its mineral exploration rigs. The two orders combined are for three Dando Mintec 12.8s, currently in build, which the company says “are hugely popular for coal exploration in the country.” The rig has been specially developed for very fast open hole air flush drilling with PCD bits and coring (wire-line and conventional) in Indonesian type coal measures. “With this method, our clients are typically completing 300-400 m boreholes in a 20 hour shift.” (more…)