Category: General

Permeable materials that carries water (e.g. sandstone, limestone). An old water reservoir that has been conditioned to hold and store natural gas. See also aquifer as gas storage

Aromatic hydrocarbons (BTEX & PAH) are usually present in natural gas to some degree. BTEX – Benzene, Toluene, Ethyl Benzene and Xylene are aromatic compounds usually present in natural gas streams in small quantities.

These quantities are not usually so high that they affect the gas specification or that recovery of them is commercially viable. The significance of these components is that they have a high level of solubility in water and often form a contaminant that may require removal from produced water streams.

Poly-Aromatic Hydrocarbon (PAH) components are higher non-volatile aromatic hydrocarbons that consist of more than one aromatic ring. These are usually present in minute quantities in natural gas and as with BTEX components the problem lies with their solubility in produced water. These components can also be removed from produced water by polymer adsorbents, or alternatively disposed of using biological treatment (although due to large equipment this technology is not applied offshore).

The mission of the American Welding Society is to advance the science, technology and application of welding and allied joining and cutting processes, including brazing, soldering and thermal spraying

Such as when a site is appropriate to construct an LNG terminal on

Countries that signed up to the Kyoto protocol have been divided into Annex 1 and non Annex 1 parties. Annex 1 parties include the industrialized countries that were members of the OECD in 1992, plus countries with economies in transition (the EIT Parties), including the Russian Federation, the Baltic States, and several Central and Eastern European States. Non Annex 1 parties are mostly developing countries. Certain groups of developing countries are recognized by the Convention as being especially vulnerable to the adverse impacts of climate change, including countries with low-lying coastal areas and those prone to desertification and drought. Others (such as countries that rely heavily on income from fossil fuel production and commerce) feel more vulnerable to the potential economic impacts of climate change response measures. The Convention emphasizes activities that promise to answer the special needs and concerns of these vulnerable countries, such as investment, insurance and technology transfer

The American Society of Mechanical Engineers is an organization that promotes the art, science and practice of mechanical and multidisciplinary engineering and allied sciences throughout the world

Thermal energy which is not used for the generation of electricity