Abstract: A hydraulic jack system for lifting a load is disclosed comprising a hydraulic cylinder having a hydraulic piston for displacing loads and a locking ring for locking the hydraulic cylinder in place when pressure is removed from the hydraulic cylinder. The jack system also has a gear operatively connected to the locking ring for displacement of the locking ring and a top plate connected to the hydraulic piston for receiving the load. A bottom plate connected to the hydraulic cylinder to provide support to the hydraulic cylinder is also disclosed and, securing means for attaching the bottom plate to the hydraulic cylinder wherein the securing means allow for movement of the bottom plate when the hydraulic jack system is lifting a load.

Abstract: The present invention provides a drilling tower having a rod handling tower allowing for the retrieval of rods from a rod rack system in an automated manner. The present invention also provides a method to deliver and install a core drilling platform in a remote area and its removal by air. The present invention also provides a cold box assembly for the storage of core drilling samples.