17 OCTOBER 2026 WorldWide Drilling Resource® In Memoriam Mike Carlin (1971~2026) Team Geoprobe® is mourning the loss of friend, teammate, and leader Mike Carlin who sought excellence in his every endeavor. Born in Salina, Kansas, in 1971, Mike passed away August 13, 2026. After graduating from Central High School, Mike attended K-State Salina and studied mechanical engineering. With degree in hand, he joined Geoprobe® full time and was there for 32 years. Mike loved the outdoors and shared his appreciation for God’s creation with his family through countless adventures. Whether road-tripping to Oregon to visit family - with stops to explore Twin Falls and swim in the Snake River -skiing in Colorado and Utah with dear friends the Knopf family, fishing in Branson as his grandfather had taken him many times, or, most recently, hiking and mountain biking in the Canadian Rockies, Mike treasured every opportunity to experience the beauty of God’s creation with those he loved. Mike is survived by his wife Stephanie; their three sons Cooper, Zachary, and Brooks; his mother Phyliss; sisters Stephanie and Kendra; brother Ryan (Danielle); nieces, nephews, and many others who were part of his extended family, including the many “Geoprobers” and countless friends. He was preceded in death by his father Bill. The management and staff of WWDR extend their sincere condolences to Mike’s family, friends, and former colleagues. Lest we forget . . . Using Geothermal Resources to Meet Clean Energy Goals Adapted from Information by the U.S. Department of Energy (DOE) Geothermal energy is a sustainable form of energy that uses natural resources to produce electricity. With the combination of heat, fluid, and permeability a geothermal plant can produce many megawatts of power. There are three primary types of plants they use steam to turn turbines and generate electricity. Dry steam power plants use natural hydrothermal fluids that occur as steam, which is a rare occurrence. Flash steam plants use change of pressure to rapidly change the super-heated water into vapor to power the turbines, called “flashing”. Finally, there are binary-cycle plants which use lower temperature resources to heat other fluids that turn the turbines. Some geothermal facilities are built using existing drill sites from natural gas or oil sites. Enhanced geothermal systems (EGS) use man-made reservoirs to inject fluid into hot rocks creating new fractures or opening existing ones to modify the fluid pathways. Once these conditions are in place, the EGS will work the same as a conventional hydrothermal system. In Blue Mountain, Nevada, a geothermal plant uses the binary cycle method to create electricity. Utilizing the heat from lower temperature water or “brine”, a secondary liquid called isopentane is vaporized and passed through the turbines generating electricity. Once completed, the brine is reinjected into the geothermal reservoir, allowing the plant to maintain the natural resources being utilized. The binary cycle method does not allow the reservoir fluids to come into contact with the turbines, maintaining the integrity of the natural resource. Blue Mountain is expected to generate 240,000 megawatt hours of clean energy every year. Further helping to reduce the environmental impact, this specific installation will help offset the CO2 emissions by 143,300 tons annually. This will allow the company to support over a dozen permanent jobs and over 200 construction jobs. Blue Mountain Geothermal Facility
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