Coal Seam Gas Essay

6763 words - 27 pages

Table of Figures

PAGE NO.

Figure 1- Map of South East Queensland

Page 3

Figure 2- Map of the Darling Downs

Page 3

Figure 3- Map of The Surat Basin

Page 4

Figure 4- Agricultural Value per region in QLD

Page 7

Figure 5- Land used for agricultural production

Page 7

Figure 6-Value of principal agricultural commodities produced

Page 8

Figure 7- Number of farms, by industry classification

Page 8

Figure 8- Map of Queensland's Coal Seam Gas

Page 9

Figure 9- Graph of Queensland's Coal Seam Gas reserves

Page 9

Figure 10- Natural CSG statistics

Page 10

Figure 11- Comparison of emissions from electricity generation

Page 10

1.0 Introduction1.1 LocationThe South East Queensland (SEQ) region is located in the far south-eastern corner of the Australian state of Queensland. (Refer to Figure1) The co-ordinates for SEQ are 27.0000˚S, 152.0000˚E. The region covers 22,520km2 which spans 240km north to Noosa (Sunshine Coast) and south to the New South Wales (NSW) border (past the Gold Coast) and 140km west to Toowoomba (lockyer Valley). SEQ has a total population of 3.05 million people and is the location for Queensland's capital city, Brisbane.The field trip focused on the Surat Basin and Darling Downs region (Refer to Figure 2) within SEQ. The Darling Downs is an extensive farming area with highly fertile soils on the western slopes of the Great Dividing Range, at just over 100km west of Brisbane and bordering NSW. The region covers 77,389km2 of southern Queensland and includes many towns such as Toowoomba, Dably, Warrick and Miles. The Darling Downs also covers a geological basin called the Surat Basin which is a part of a much larger Australian basin called The Great Artesian Basin (Refer to Figure 3). The Surat Basin cover an area of 270,000km2 which covers a vast extent of northern NSW and southern Queensland. The Surat Basin is comprised of many geological layers of siltstone, mudstone and sandstone which are relatively impermeable and are called aquatards. Layers on top are made of permeable material including sandstones, which are called aquifers. (For a drilling sample , See Appendix 1) Theses sediments obtain their maximum thickness at 2500m in Queensland. (Refer to Appendix 2) 1.1 Figure 1, Source (Queensland rail, 2014) - Map of South East QueenslandFigure 2, Source (Queensland government, 2014) - Map of The Darling Downs1.1- Figure 3, Source (Queensland rail, 2014) - Map of The Surat BasinThe development of the Darling DownsThe Darling Downs is a highly fertile region with many inner regions international accredited for their highly fertile soils. Felton is a valuable farming district in the inner Darling Downs around 30km from Toowoomba. Felton is a broad open valley on the western side of the Great Dividing Range, (See Appendix 3) the Hodgson creek runs through the centre as a valuable water source. (McCreath, 1 May 2014) The region has a climate with two distinct summer and winter seasons....

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