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Title: Overview Of Ruhrgas Pvt Research
Author: m. Jaeschke
Source: American Gas Association 1992
Year Published: 1992
Abstract: The revision of the AGA report No.8 prepared by the AGA Transmission Measurement Committee provides highly accurate calculations of natural gas compressibility factors. The two methods selected to charcterize a natural gas and calculate compressibility factors represents todays state of the art. Both methods are strongly based on the GERG databank to which Ruhrgas contributed a major part. To achieve this Ruhrgas spent the last ten years to promote thermodynamic research and development to improve the accuracy of density and compressibility factor measurements and equations of state. What is or was the interest of Ruhrgas in this research field? Ruhrgas is mainly a gas merchant company (Figure 1). Ruhrgas purchases natural gas from West German reservoirs, from fields in the North Sea belonging to other West European countries) and in the Soviet-Union. She sells the gas to local utilities, regional pipelines, powerstation and industrial users. For the flow of the gas Ruhrgas operates 5400 miles of pipelines, 31 compressor stations and 7 underground storage facilities with a reservoir of approx. lOObillionftS of gases. Ruhrgas sells approx. 1800 billion ft3 of gas. This total amount corresponds to the supply of approx. 30 million residential user.

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