37
Construction, installation and repair services in the field of prospecting equipment, of development and production of underground resources equipment, including energy resources, aquiferous resources, and geothermic resources equipment, namely oil, gas or water wells; drilling of oil, gas and water wells in the field of underground resources development and energy or aquiferous resources and for geothermic research
42
Technical consultation and monitoring and inspection services in the fields of prospecting equipment, of development and production of underground resources equipment, including energy resources, aquiferous resources, and geothermic resources equipment, namely oil, gas or water wells and oil well site equipment testing and laboratory research and analysis in the fields of underground resources development, namely, energy or aquiferous resources and geothermics; scientific and industrial research in the fields of underground resources development namely, energy or aquiferous resource development and geothermics; engineering in the fields of geology and energy, namely, oil and gas fields, aquiferous resources and geothermics; geological prospecting for underground resources development, namely, energy or aquiferous resources, and geothermic resources; laboratory research and analysis, namely, well-site analysis and monitoring services for oil, gas and water fields, namely, analysis and monitoring of oil, gas and water characteristics in the field of oil, gas, or aquiferous resource development and geothermics; oil well site equipment testing and laboratory research and analysis in the fields of underground resources development, namely, energy or aquiferous resources and geothermics
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