Shallow gas

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  • This monograph (a preferable term here to ‘book’, I believe) was conceived after I had done a good deal of broadcasting, within the UK and internationally, on the Gulf Coast oil spill. Time is always limited in a broadcast, and facts and valid perspectives need to be got across succinctly to the exclusion of shallow comments which hardly leave a viewer or listener any better informed. I like to go to a broadcast having made a few jottings from news sources which as well as being possible material for the broadcast have attuned my mind to the topic shortly before I go on air....

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  • The utilisation of renewable energies is not at all new; in the history of mankind renewable energies have for a long time been the primary possibility of generating energy. This only changed with industrial revolution when lignite and hard coal became increasingly more important. Later on, also crude oil gained importance. Offering the advantages of easy transportation and processing also as a raw material, crude oil has become one of the prime energy carriers applied today.

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  • (BQ) Part 2 book "The finite element method" has contents: Compressible high-speed gas flow, shallow-water problems, waves, computer implementation of the CBS algorithm. Invite you to reference.

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  • Cold seeps occur in geologically active and passive continental margins, where pore waters enriched in methane are forced upward through the sediments by pressure gradients. The advective supply of methane leads to dense microbial communities with high metabolic rates. Anaerobic methane oxidation presumably coupled to sulphate reduction facilitates formation of carbonates and, in many places, generates extremely high concentrations of hydrogen sulphide in pore waters.

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  • Near-Surface Geochemistry – Near-surface geochemistry methods can be used to detect shortterm rapid loss or long-term intermittent leakage of CO2 from GS formations. These techniques are routinely employed in the environmental consulting industry and include monitoring soil gas and shallow groundwater. In general, both consist of purging the monitoring point and collecting a sample, followed by analysis and interpretation. Soil gas can be collected with sorbents, sample tubes, or Tedlar bags, depending on the compounds expected and the detection level.

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  • Water quality. Water draining off newly graded surfaces and roads or oil or water accidentally discharged during oil and gas production can increase the amount of sediment, salt, and pollutants discharged into rivers and streams, thereby degrading them. In addition, shallow aquifers can be polluted if required protective measures are not in place, and the production of methane gas from coal beds can deplete shallow aquifers that serve as domestic water sources. 6 Habitat.

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