Microbial production and modification of gases in sedimentary basins: A geochemical case study from a Devonian shale gas play, Michigan basin

Martini, Anna M.; Walter, Lynn M.; Ku, Timothy C.W.; Budai, Joyce M.; McIntosh, Jennifer C.; Schoell, Martin

doi:10.1306/031903200184

Cited by 185 publications

(157 citation statements)

References 46 publications

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“…Gas produced from the Antrim Shale is almost entirely lacking in higher-chain hydrocarbons such as ethane, propane, and butane, which are generated along with CH 4 during thermal decomposition of organic matter-rich sedimentary rocks (29,30,34,35). Stable isotope (D/H) ratios of Antrim Shale H 2 O and CH 4 reflect isotopic fractionation induced during methanogenesis (29,30), as do comparisons of ␦ 13 C ratios for coproduced CO 2 and CH 4 (31).…”

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confidence: 99%

“…Multiple lines of geochemical evidence suggest that there is or has been substantial biological activity within the Antrim Shale and also indicate that CH 4 produced along the northern margin of the basin is primarily biological in origin (29,30,31,34,35). Pore waters collected from wells along the CH 4 -rich northern margin of the basin exhibit elevated alkalinity (20 to 60 meq liter Ϫ1 ) which is greater than the alkalinity that can be supported by dissolution of carbonate minerals; this suggests that there is a source of inorganic carbon derived from remineralization of organic matter (29,30).…”

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confidence: 99%

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Salinity Constraints on Subsurface Archaeal Diversity and Methanogenesis in Sedimentary Rock Rich in Organic Matter

Waldron

Petsch

Martini

et al. 2007

Appl Environ Microbiol

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118

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The diversity of microorganisms active within sedimentary rocks provides important controls on the geochemistry of many subsurface environments. In particular, biodegradation of organic matter in sedimentary rocks contributes to the biogeochemical cycling of carbon and other elements and strongly impacts the recovery and quality of fossil fuel resources. In this study, archaeal diversity was investigated along a salinity gradient spanning 8 to 3,490 mM Cl ؊ in a subsurface shale rich in CH 4 derived from biodegradation of sedimentary hydrocarbons. Shale pore waters collected from wells in the main CH 4 -producing zone lacked electron acceptors such as O 2 , NO 3 ؊ , Fe 3؉ , or SO 4 2؊ . Acetate was detected only in high-salinity waters, suggesting that acetoclastic methanogenesis is inhibited at Cl ؊ concentrations above ϳ1,000 mM. Most-probable-number series revealed differences in methanogen substrate utilization (acetate, trimethylamine, or H 2 /CO 2 ) associated with chlorinity. The greatest methane production in enrichment cultures was observed for incubations with salinity at or close to the native pore water salinity of the inoculum. Restriction fragment length polymorphism analyses of archaeal 16S rRNA genes from seven wells indicated that there were links between archaeal communities and pore water salinity. Archaeal clone libraries constructed from sequences from 16S rRNA genes isolated from two wells revealed phylotypes similar to a halophilic methylotrophic Methanohalophilus species and a hydrogenotrophic Methanoplanus species at high salinity and a single phylotype closely related to Methanocorpusculum bavaricum at low salinity. These results show that several distinct communities of methanogens persist in this subsurface, CH 4 -producing environment and that each community is adapted to particular conditions of salinity and preferential substrate use and each community induces distinct geochemical signatures in shale formation waters.

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confidence: 99%

mentioning

confidence: 99%

Salinity Constraints on Subsurface Archaeal Diversity and Methanogenesis in Sedimentary Rock Rich in Organic Matter

Waldron

Petsch

Martini

et al. 2007

Appl Environ Microbiol

Self Cite

118

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“…The S1þS2 value of section 2 was over 5.0 mg/g, indicating that it was a good source rock layer (Table 1). A comparison with other marine shale TOC contents (Curtis, 2002;Martini et al, 2003), including the Sichuan Basin Lower Paleozoic marine, lacustrine shale, and the Ordos Basin Mesozoic continental shale Wang et al, 2014), showed that the TOC values of the transitional facies shale in our study area were medium-high.…”

Section: Total Organic Carbonmentioning

confidence: 49%

Geology and transitional shale gas resource potentials in the Ningwu Basin, China

Xu²,

Jiang

et al. 2018

Energy Exploration & Exploitation

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We analyzed the tectonic evolution characteristics, sedimentary environment, geochemical characteristics, petrological characteristics, and gas-bearing properties of three mudstone sections of the Lower Paleozoic in Ningwu Basin, NE China, and determined the geologic characteristics and resource potential of the transitional facies shale gas. Geochemical analysis of the organic carbon content, kerogen macerals, and vitrinite reflectance of the shale samples showed that the total organic content was generally over 2.0%, the main organic type was type III, and the vitrinite reflectance values (Ro) were between 1.20 and 1.90%. Thus, the mudstones are good shale gas source rocks. The thickness of the three mudstone sections was approximately 30-70 m, and the average porosity was 3.10%. The pore types were diverse with good reservoir capacity. The shale gas resources of the Carboniferous-Permian transitional facies estimated by the volumetric method were approximately 2798.97 Â 10 8 -4643.09 Â 10 8 m 3. Through a comparison with shales in SW China, where shale gas has been successfully exploited, we determined the preferred criteria for favorable shale gas areas, as well as favorable areas for shale gas enrichment.

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“…590 m 3 /h to 4720 m 3 /h. The potential of this field can be evidenced by the fact that its operator, Southwestern Energy, reached the level of gas production equal to 487 286 m 3 /h in 2013 and the total exploitation from the Marcellus field in March 2014 was 17 108 115 m 3 /h and it is predicted that the field will produce 25% of the natural gas consumed in the United States in 2015 [6].…”

Section: The Barnett Fieldmentioning

confidence: 99%

“…By 2008, 71 billion m 3 of gas in total was exploited from 9000 wells. The gas composition adapted from [3] Energy parameters of these gases are as follows:…”

Section: Composition Of Gas From the Drill Holes In Polandmentioning

confidence: 99%

Analysis of the possibilities for using shale gas to supply gas appliances based on the comparative assessment of gas

Gebhardt

2015

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Analysis of the possibilities for using shale gas to supply gas appliances based on the comparative assessment of gasThe article presents a preliminary analysis of the possibility of supplying gas appliances, certified for the gas group E according to EN 437, with the gases obtained from Polish shale. Due to the still small amount of drilling in Poland, data from exploited US shale gas sources from there were used. Comparative assessment indicates the potential for development of Polish shale gases for appliances category 2E after minor or major modifications involving separating higher hydrocarbons.Key words: shale gas, gas appliances, gas combustion.Analiza możliwości użytkowania gazów z formacji łupkowych w urządzeniach gazowych w oparciu o ocenę porównawczą gazów W artykule przedstawiono wstępną analizę możliwości zasilania urządzeń gazowych certyfikowanych dla gazu grupy E według EN 437 gazem uzyskiwanym z polskich formacji łupkowych. Ze względu na niewielką jeszcze ilość odwiertów w Polsce wykorzystano dane amerykańskie z eksploatowanych tam źródeł gazów z łupków. Ocena porównawcza wskazuje na możliwość zagospodarowania polskich gazów dla urządzeń kategorii 2E po mniejszych lub większych modyfikacjach polegających na odseparowaniu wyższych węglowodorów.Słowa kluczowe: gaz z formacji łupkowych, urządzenia gazowe, spalanie gazu.One of the problems to which attention should be paid within projects related to the acquisition of natural gas from shale formations is the problem of the quality of this gas, as related to the possibility of combustion in gas appliances currently in use. This is not a new problem, because, as it is known, in Poland, natural gases are characterised by various configurations of compositions of the basic ingredients, such as methane and nitrogen, supplemented with further hydrocarbons and non-flammable gases, present in low, or even trace, concentrations. Currently, Polish Standards distinguish three subgroups of natural gases: E, Lw, Ls and, until 2011, the Standards also included Lm and Ln gases. In general, it can be said that, in Poland, natural gases exploited from classic fields are within the Wobbe index range from 25 MJ/ m 3 to 57 MJ/m 3 (1013.25 mbar, 15°C and 15°C). It is hard to evaluate what will be the target quality of the gas from Polish shale formations, which is why this article is based on data published in the United States, where exploitation of shale gas has already reached a very advanced market level. Polish and comparable US gases were subjected to an analysis of their suitability for the supply of equipment covered by Directive 2009/142/EC relating to appliances burning gaseous fuels by comparing them with gases for the EN 437 harmonized standard tests and the above directive.

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Microbial production and modification of gases in sedimentary basins: A geochemical case study from a Devonian shale gas play, Michigan basin

Cited by 185 publications

References 46 publications

Salinity Constraints on Subsurface Archaeal Diversity and Methanogenesis in Sedimentary Rock Rich in Organic Matter

Salinity Constraints on Subsurface Archaeal Diversity and Methanogenesis in Sedimentary Rock Rich in Organic Matter

Geology and transitional shale gas resource potentials in the Ningwu Basin, China

Analysis of the possibilities for using shale gas to supply gas appliances based on the comparative assessment of gas

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