43 MAY 2021 WorldWide Drilling Resource® Lifewater Drilling Technology jOne-Man Operation jLightweight, Towable j21hp Honda Motor for Power jHydraulic Controls jDrills Through Rock jNo Air Compressor or Mud Pit jDrill Depth 450 Feet 540-869-1150 lifewaterdrillingtechnology.com Simulator for Geothermal Drilling Adapted from Information by Fraunhofer IEG Geothermal energy is gaining more attention as the next main resource to provide virtually inexhaustible quantities of energy. It can be exploited in the form of heat or be used to generate electricity, regardless of weather conditions or time of day. Deep geothermal engineering involves drilling boreholes up to depths of several thousand feet below the earth’s surface where temperatures can reach 212ºF (100ºC). The drilling process can encounter multiple types of rock, each one with different properties such as hardness, strength, and density. Each type of rock may interact completely differently with the downhole drilling bit and equipment. Given all these factors, the complete drilling process and its surface equipment requirements such as pumping, are complex procedures that require careful planning. A research team from Fraunhofer Research Institution for Energy Infrastructures and Geothermal Systems (IEG) has developed a test rig (named match.BOGS) to simulate downhole conditions. It is designed to simulate in situ conditions during downhole drilling operations and consists of three main modules: i.BOGS (autoclave system), drill.BOGS (drilling module), and fluid.BOGS (module to produce synthetic fluids). match.BOGS can be used to physically simulate and enable investigation of all the processes involved in drilling a borehole up to a depth of about 16,404 feet. The monitoring system features a range of sensors including acoustic, thermal, and optical measurement systems. The i.BOGS autoclave system can handle rock samples of about 10 feet in length and up to 10 inches in diameter. The drill.BOGS module features two high-torque hydraulic cylinders that drive the drill rod into the rock sample. The module can be equipped with a variety of drilling tools to enable the researchers at Fraunhofer IEG to test not only conventional tools, which operate by means of mechanical rock disintegration, but also novel drilling technologies such as high-voltage bursts, laser beam, or a flame jet to penetrate into the rock surface more easily. Analyzing the experiments will enable operators to optimize drilling during the planning and operating stages, to ultimately make geothermal engineering more efficient, helping to accelerate the transition to a new, sustainable energy economy. GEO PLAN NOW! August 16-18, 2021 for BRANSON ~ DownHome DrillFest™ Time!
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