Oil & Natural Gas Technology

Figure 1: Benthic mat surfaces 24 Figure 2: Fatty acids in mats 25 Figure 3: Gas headspace from mat incubations 26 Figure 4: Hierarchical clustering of mat phylochip gradient fractions 27 Figure 5: Phylochip hydridization intensities from mat incubations 28 Figure 6: Recovered benthic mat plate 29 Figure 7: Isotope incorporation from mat incubations 30 Figure 8: Relative abundance of taxa occupying microbial mats 31 Figure 9: Southern California Bight study area 57 Figure 10: Santa Monica Basin reference hydrocasts from 2007 58 Figure 11: Sampling over a pingo structure in the Santa Monica Basin 59 Figure 12: Santa Monica Basin hydrocasts from 2009 60 Figure 13: Hydrocasts from other borderland basins 61 Figure 14: Methane oxidation rate profiles from several borderland basins 62 Figure 15: Differences in methanotrophy between 2007 and 2009 expeditions 63 Figure 16: Annotated temperature-salinity diagrams for the Santa Monica Basin 64 Figure 17: Hydrographic comparison between years in the Santa Monica Basin 65 Figure 18: Fractional abundance of isotopes in 13C/D incubations 66 Figure 19: Isotope enrichments in lipids for stable isotope probing experiments 67 Figure 20: Mass spectra for fatty acids from isotope probing experiments 68 Figure 21: Bacterial community structure from isotope probing experiments 69 Figure 22: Phylogenetic tree of 16SrRNA from isotope probing 70 Figure 23: Phylogenetic tree of methane monooxygenase from isotope probing 71 Figure 24: Gulf of Mexico sampling stations near spill site 81 Figure 25: Chemical variations in dissolved gases during the gulf spill 82 Figure 26: Microbial communities in the deep plumes from the gulf spill 83 Figure 27: Oxidation potential for methane and propane from the gulf spill 84 Figure 28: Gulf of Mexico sampling stations for September and October, 2010 85 Figure 29: Gulf spill microbial communities before and after methane loss 86 Figure 30: Model results interpolating methanotrophic rate for gulf spill 87 2 Figure 31: Model demonstration of autoinoculation in the gulf spill 88 Figure 32: Model results showing evolution of microbial community for gulf spill 89 Figure 33: Model results showing impacts of recirculation for gulf spill 90 LIST OF TABLES Table 1: Summarized metadata for Shane Seep 19 Table 2: Fatty acid relative abundance from mats 20 Table 3: Fatty acid carbon isotopes from mats 21 Table 4: Elemental abundance of mats 22 Table 5: Phylochip rank scores for mats 23 Table 6: Incubation protocols for 13C/D isotope probing 54 Table 7: …