geothermal well Articles

  • Modeling geothermal wells using SVHeat and SVFlux

    Numerical modeling of geothermal processes has received increased attention in recent years. The process of installing geothermal heating systems in residential homes and cottages is one application of numerical models. These systems typically involve drilling between one and three wells on a particular property. Heat exchangers then act as a pump and remove heat from the ground in order to heat ...


    By SoilVision Systems Ltd.

  • Geothermal Energy... Power from the Depths

    The Earth's crust is a bountiful source of energy—and fossil fuels are only part of the story. Heat or thermal energy is by far the more abundant resource. To put it in perspective, the thermal energy in the uppermost six miles of the Earth's crust amounts to 50,000 times the energy of all oil and gas resources in the world! The word 'geothermal' literally means 'Earth' plus 'heat.' ...

  • H2S Emissions Control at Geothermal Plants

    The LO-CAT® II process is used to control H2S emissions and reduce odors at geothermal power plants. Geothermal steam, considered to be a clean and environmentally friendly source of energy, is produced when water seeps into high temperature, high pressure formations below the earth's surface. The steam is brought to the surface through production wells and then expanded through a turbine to ...


    By Merichem Company

  • Design of method and mechanism for geothermal energy extraction

    By drilling using a specially designed hydride carbide (melting point: 1,365°C) drill, we can drill the earth's crust to about 5 to 40 km to reach temperatures of 700 to 1,000°C, with minimum cost of the drill and drilling technology. Further, we can extract energy by pouring in water on an inserted carbide alloy vessel into the drilled well and bringing out as steam to drive the turbines. By ...


    By Inderscience Publishers

  • Talking Point: Geothermal systems and the value of maintenance programmes

    Mike Deed, Managing Director of Geoquip Water Solutions, is the author of Talking Point in the October issue of Groundwater Engineering. He focuses on the huge benefits of installing a geothermal system and the importance ...


    By Geoquip Water Solutions

  • Nevada Geothermal, Ormat to develop Oregon resource

    Nevada Geothermal Power Inc. (Vancouver, B.C.) and Ormat Nevada Inc., a subsidiary of Ormat Technologies Inc. (Reno, NV), have signed an agreement under which the two companies will jointly develop, construct, own, and operate one or more geothermal power plants at the Crump Geyser Project Area in Lake County, Oregon. The agreement calls for the formation of a limited liability company, ...

  • Utilisation of deep geothermal energy for heating purposes

    The Hot-Dry-Rock-(HDR) technology allows a location-independent utilisation of geothermal heat, because aquifers in deep formations, i.e. layers filled with water, are not necessary. The flow paths for the circulating water in a depth of 4 km are created by hydraulic fracturing of existing gaps. Due to the fact that this new technology is quite cost-intensive, high annual load duration of the ...


    By Inderscience Publishers

  • World geothermal power generation nearing eruption

    With fossil fuel prices escalating and countries searching for ways to reduce oil dependence and greenhouse gas emissions, capturing the earth’s heat for power generation is garnering new attention. First begun in Larderello, Italy, in 1904, electricity generation using geothermal energy is now taking place in 24 countries, 5 of which use it to produce 15 percent or more of their total ...


    By Earth Policy Institute

  • Latin America well-positioned for CDM

    The coastal desert of Colombia’s La Guajira state is a world away from Kyoto, the temperate Japanese city where representatives of 159 countries in 1997 signed the Kyoto Protocol on reducing greenhouses gases. The Caribbean laps against rickety settlements. Herds of goats range across scorching sands. Months, whole years, pass without rain. But Kyoto is well known to the inhabitants of La ...


  • Case study - ElectraTherm generates power from low temperature geothermal

    Site: Florida Canyon, Nevada, USA Gross Power Output: up to 75kWe Hot Water Input Range: 225-230F Hot Water Flow: 150 GPM Thermal Heat Input: 660kWt Air Cooled Condenser ElectraTherm successfully commissioned its Green Machine at the Florida Canyon Mine in Imlay, Nevada. ElectraTherm marked the occasion at Florida Canyon Mine with a commissioning ceremony including officials ...


    By ElectraTherm

  • Efficiency of a Biodegradable Antiscalant against Barite under Geothermal Plant Conditions

    In geothermal power plants, various types of scales can occur. Barite (BaSO4, barium sulfate) is the dominating mineral species of the scales in a region in middle Europe, acting as isolation material and leading to a reduction of the heat transfer and clogging of installations. Further, sulphide minerals like galena (PbS, lead sulfide) may be part of the scaling. As a ...


    By Kurita

  • Case study - green machine in Romania running off geothermal brine

    Gross Power Output Avg: 50kWe Thermal Heat Input: 700kWt Hot Water Input Range: 105°C Hot Water Flow: 10.1 l/s Average Ambient Temp: 12°C The Green Machine was commissioned at a geothermal well in Romania. The machine produces 50kW (gross) of electricity from the geothermal hot water (216°F/102°C) without any fuel or emissions. To further increase the ...


    By ElectraTherm

  • Kenya’s first carbon credits from geothermal energy pay for schools

    Last month, I drove through dust on bumpy dirt roads from Nairobi to visit the Oloirowua Primary School in Suswa, 140 kilometers northeast of the Kenya capital. The school sits on the vast savannah near Hell’s Gate National Park, an area with substantial geothermal potential. Here, KenGen, Kenya’s electric generating company, has built the ...


    By The World Bank

  • ECSMGE CONFERENCE 2015: Managing the Clogging of Groundwater Wells

    This is the poster or summary of a paper being presented at the XVI ECSMGE  - European Conference on Soil Mechanics & Geotechnical Engineering - in Edinburgh from 13th to 17th September 2015. Groundwater wells are common to many civil engineering projects and their operational performance can play a crucial role. The wells may be part of a construction dewatering system, ...


    By Geoquip Water Solutions

  • Permeable (pervious) pavements and geothermal heat pumps: addressing sustainable urban stormwater management and renewable energy

    Water and energy are the two most fundamental ingredients of modern civilisation and are also the most precious and essential resources around the globe. They are inseparably coupled and with increasing pressures on these resources as the world's populations grow, the concepts of a combined approach can be applied while addressing the economic, climate, water and energy crises. Sustainable ...


    By Inderscience Publishers

  • Hydrogeological and environmental impact assessment of a geothermal closed loop ground source energy installation

    ESI in Milan was approached to give support for designing one of the largest closed loop systems for heating and cooling in Europe.  The system was installed at the IKEA store in Corsico, Milan, with the need to provide some 1.4 MWth and covering thermal energy demand in the range from 40 to 100%.  The closed loop system is expected to save the Client over 500 t/y in CO2 ...

  • Physical, chemical, bacteriological and radioisotopic parameters from springs and wells around Jocotitlan volcano, Mexico

    Samples from seven springs and two wells around Jocotitlan volcano (Mexico), mainly used as drinking water supplies, were studied for physical, chemical, bacteriological and radioisotopic parameters. The temperature of the majority of the water was 5°C higher than the average atmospheric temperature of the zone, indicating a geothermal potential. The water type was bicarbonated mixed, related to ...


    By Inderscience Publishers

  • Sonic Rigs Rescue Surrey School Installation

    TR3 Geological Services, based in Abbotsford, BC, Canada, won a tender to install a geothermal grid during the summer of 2009, under what would be Woodward Hill Elementary School’s brand new, all-weather soccer field in Surrey. “Geothermal is a good idea for new schools as well as retrofitting old schools,” said Bill Fitzgerald, general manager of Sonic Drilling, the ...


    By Sonic Drill Corporation

  • Case Study - Aluto Langano Power Plant Rehabilitation

    Aluto Langano, Ethiopia – 2007 The Aluto Langano Geothermal Pilot Plant (ALGPP) is located on the Aluto volcanic complex of the Ethiopian Rift valley, close to the eastern escarpment between Lake Langano and Lake Ziway, some 200 km southeast of Addis Ababa. The Aluto volcanic complex is a young acidic system consisting of domes, lava, and pyroclastic interbeds. The geothermal field was ...

  • GeoSmart bags multi-loop and pump handler

    GeoSmart Energy has acquired a time-saving multi-loop and pump handler designed for geothermal drilling. The GeoSmart Push'N Pull simplifies the installation of geothermal pipes in vertical drill applications, saving time, money and manual labour. "Geothermal drillers will appreciate its'push'factor for inserting pipe while water well drillers will love its 'pull' factor for extracting pumps ...

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