Electromagnetic Geoservices ASA (EMGS) is a Norwegian geophysical services company using proprietary marine

electromagnetic In physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields. The electromagnetic force is one of the four fundamental forces of nature. It is the dominant force in the interacti ...

technology to support oil and gas companies in their search for offshore hydrocarbons. The administrative and research headquarters are located in

Trondheim Trondheim ( , , ; ), historically Kaupangen, Nidaros, and Trondhjem (), is a city and municipality in Trøndelag county, Norway. As of 2022, it had a population of 212,660. Trondheim is the third most populous municipality in Norway, and is ...

. The company was established on February 1, 2002 by the founders Terje Eidesmo, Ståle Johansen and Svein Ellingsrud. EMGS pioneered marine electromagnetic technology with the first successful application and commercialization of

controlled source electro-magnetic The controlled source electromagnetic (CSEM) method, also called sea bed logging, is a mostly offshore geophysical technique, employing electromagnetic remote-sensing technology to map the electric resistivity distribution of the subsurface. The el ...

surveying technology (CSEM). Marine EM, or CSEM, is an emerging exploration method that uses electromagnetic energy to detect resistive bodies - including hydrocarbon reservoirs - beneath the seabed. The technique used by EMGS was trialled in 1998 using a towed, high-power EM source and a series of seabed receivers, while the founders were working for

Statoil Equinor ASA (formerly Statoil and StatoilHydro) is a Norwegian multinational energy company headquartered in Stavanger, Norway. It is primarily a petroleum company operating in 36 countries with additional investments in renewable energy. In th ...

. The company acquires 3D electromagnetic and marine magnetotelluric data, which are used to assess formation resistivity before drilling, and interpret and integrate this information with other geodata to aid exploration decision making. 3D EM data is routinely used for lead generation, prospect ranking and volume assessments. Main offices and research department are located in Trondheim, Norway. The company was listed on the

Oslo Stock Exchange Oslo Stock Exchange () (OSE: OSLO) is a stock exchange within the Nordic countries and offers Norway's only regulated markets for securities trading today. The stock exchange offers a full product range including equities, derivatives and fixed ...

on March 30, 2007. EMGS also hold offices in

Oslo Oslo ( or ; ) is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of in 2022, while the city's greater urban area had a population of 1,064,235 in 2022 ...

, Norway together with

Houston Houston ( ) is the List of cities in Texas by population, most populous city in the U.S. state of Texas and in the Southern United States. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the county seat, seat of ...

, US and

Kuala Lumpur Kuala Lumpur (KL), officially the Federal Territory of Kuala Lumpur, is the capital city and a Federal Territories of Malaysia, federal territory of Malaysia. It is the largest city in the country, covering an area of with a census population ...

in Malaysia. In 2007, two of the founders of EMGS, Terje Eidesmo and Svein Ellingsrud, were awarded the Virgil Kauffman Gold Medal from the

Society of Exploration Geophysicists The Society of Exploration Geophysicists (SEG) is a learned society dedicated to promoting the science and education of exploration geophysics in particular and geophysics in general. The Society fosters the expert and ethical practice of geophy ...

in recognition of their pioneering work in applying controlled-source electromagnetics to the detection of hydrocarbons.

References

{{Authority control Companies established in 2002 Companies listed on the Oslo Stock Exchange Oil companies of Norway