The Geophysics National Company is a 100% subsidiary of the oil company Sonatrach, with a capital of seven billion Algerian dinars, whose headquarters is located in Hassi Messaoud. In 2008, its turnover amounted to 17 billion DA.
With a human resource base of over 5154 employees (annual average), including 900 engineers and skilled technicians, the company is equipped with the latest technology and it engages in the following tasks:
Search for oil by seismic reflection, from which it derives 91% of its turnover.
Geotechnical studies, topography and boreholes.
Studies of the subsurface by potential geophysical methods (gravity, magnetics and resistivity).
[...] Electrical prospecting: As a part of the strategy of diversifying its operations, the company has assembled a team that is responsible for detecting groundwater and determining their behavior (movement, flow, accumulation) using resistivity measurements by potential benchmarked methods, based on the knowledge of the geology of the land. Hydraulic Drilling Hydraulic drilling is the culmination of all hydro- geological studies. The company is equipped with powerful rigs of both light and medium type, which can drill to great depths. Topography: The topographical structure has 12 brigades made up of engineers and technicians, equipped with aids such as GPS (Global Positioning Satellite) and is responsible for carrying out topographical studies which cover all applications of topography, including: The location of oil drilling and recognition of access tracks across deserts. [...]
[...] giant which is the world leader in geophysical services, with a 27% share of the market. CGG-VERRITAS, a company that emerged from the acquisition of Veritas DGC. BGP, which is the international branch of the Chinese company CNPC (China National Petroleum Company) which specializes in seismic exploration and has three offices in Algeria. Sinopec (China Petroleum and Chemical Corporation), one of the largest Chinese oil groups. The customers Key customers to which the company has offered its services in the country and internationally include: National company: Sonatrach U.S. companies: [...]
[...] The company had a 50% interest in Libyan-Algerian geophysics (ALAGCO) until December This participation has evolved into the creation of a direct representation of the company in the Libyan market through the acquisition of ALAGCO. Outlook In their effort to constantly adapt to market conditions in the domain of geophysics, which is forever demanding and unstable, the leaders of the company ensure constant upgrading, both in terms of technology competence in standards and also in international standards, by the renewal of production equipment and constant staff training. [...]
[...] The records are checked on-site for quality control before being sent to a computer center to be processed and interpreted, the final objective being to determine the structure of the base strata. It should be noted that: - Vibrators, laboratory and geophones are arranged on the surface in a predefined pattern, according to the exploration requirements. - The various positions are first marked on the ground by surveyors. Gravimetry and magnetometry: The Company has the gravity and magnetometry equipment required for taking measurements in oil, mining, hydraulic and other related sectors. [...]
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