DNO EST - 1971

Rental of drilling rigs; well drilling; installation, customization, adjustment and maintenance of oil rigs and pipelines

Oil and gas processing

Professional and technical consulting for the petroleum and chemical product and derivative industry related to petroleum exploration, petroleum and chemical technology, chemical analysis and research; testing, analysis, and evaluation of technical projects for the petroleum and chemical product and derivative industry; conducting engineering surveys; oil and gas surveys and exploration; services relating to electricity, oil and gas surveys, exploration and production, namely, research in the field of energy, geological, geophysical and geochemical prospecting and crude oil exploration, performing oil and gas well testing and diagnostics, oil and gas field exploration, scientific study and surveying of oil and mineral fields, all kinds of laboratory analysis pertaining to electricity, oil, and gas, research and development of new technological processes for use in the oil and gas fields

Safety consultancy in the field of the oil and gas industry; licensing of intellectual rights to third parties