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Biogenic source

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Maximum yield of <span class="search-highlight">biogenic</span> methane as a function of <span class="search-highlight">source</span> sediment volume (...
Published: 19 October 2010
Figure 5 Maximum yield of biogenic methane as a function of source sediment volume ( Clayton, 1992 ). More
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18832-MS
... of hydrocarbons and sediments, the geochemical properties of hydrocarbon gas and potential biogenic source rocks were determined. 1D burial history modeling applying biogenic gas kinetics was conducted to determine the key parameters contributing to the Zawtika Field success case. Success case analysis outputs...
Proceedings Papers

Paper presented at the CORROSION 2010, March 14–18, 2010
Paper Number: NACE-10216
... of microbial attack, and practical preventive measures that can be taken to avoid or minimize damage to the concrete structures. Mechanism of biodeterioration of concrete through acid production Acid production, which is believed to be responsible for biodeterioration, has biogenic sources from excretes...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Technology Symposium, May 18–21, 1986
Paper Number: SPE-15224-MS
... of pressure and temperature, there is a defined region where hydrates are stable called the hydrate stability zone (HSZ) (see Figure 2). The source of methane for gas-hydrate formation may be either biogenic or thermogenic. Biogenic methane results from the microbial breakdown of organic matter in shallow...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–10, 1978
Paper Number: OTC-3052-MS
... with the National Oceanic and Atmospheric References and illustrations at end of paper. ,- Administration (NOAA). The relative abundance of the low molecUlar ' weight hydrocarbons (01-04) has been used to characterize hydrocarbons arising from thermogenic and biogenic sources.4,6,11,13 Th~ir attractiveness...
Proceedings Papers

Paper presented at the SPE California Regional Meeting, March 27–29, 1985
Paper Number: SPE-13592-MS
... at sites 565 and 568 are about −64 and −40 per mil, respectively; values are about +17 and +35 per mil. The isotopic compositions and trends at Site 565 are typical of biogenic methane generation. At Site 568, the isotopic compositions are very heavy, reflecting an unusual source of. In spite of its heavy...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 20–23, 2018
Paper Number: OTC-28470-MS
... of methane corresponding to the clayey silt layers as reported in the boring logs. The gas most likely comes from biogenic sources, feeding on organic matter in situ over a large depth range. It is unlikely that there are large pockets of gas in the soil due to its homogeneous clayey nature and the lack...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 19–22, 2014
Paper Number: IPTC-17563-MS
... in the formation of structural traps. For both settings, the origin of the shallow gas may be deep subsurface thermogenic sources or biogenic sources in shallower strata, or a mixture. To date, reserve estimates for the shallow gas play are often hard to make using conventional exploration techniques due...
Proceedings Papers

Paper presented at the Offshore Mediterranean Conference and Exhibition, March 29–31, 2017
Paper Number: OMC-2017-520
... FM is usually dry gas with in situ biogenic source to wet gas on the lower part from deeper thermal source rock. Objectives: DGE recently carried out the prospectivity analyses of its Pliocene portfolio (mainly Kafr El Sheikh Formation) to identify the well locations and meet the business goals...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-8854
...- and CrNiMo-steels, aluminium and its alloys) in fuels and heating oil with admixtures of biogenic sources, such as gasoline with addition of ethanol (E10, E85), pure biodiesel and heating oil with 10 % biodiesel (B10). Metallic tank materials were evaluated as resistant in a liquid if the annual corrosion...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7307
... Abstract The objective of this research was to determine the resistance of frequently used sealing materials such as FKM, FVMQ, VMQ, EPDM, CR, CSM, IIR, PA, NBR and PUR in fuels and heating oil with and without admixtures of biogenic sources such as E10, diesel fuel with 5 % biodiesel, non...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1995
Paper Number: OTC-7636-MS
... and ?30,000 ft (Figure 1). All of the oil and about 2/3 of the gas in the "old" shallower play on the Gulf Coast shelf are thermally mature but occur in thermally immature reservoir sections. Some (about 1/3 of the accumulated gas) is of shallow biogenic low-temperature origin ("biogenic 10 Source beds...
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Zr vs. SiO 2  binary plots for data from the Muskwa and Haynesville formati...
Published: 19 October 2010
Figure 6 Zr vs. SiO 2 binary plots for data from the Muskwa and Haynesville formation. The positive linear tend line is termed the "terrestrial trend" and refers to samples where SiO 2 is derived from a terrestrial source. The negative linear trend line is termed the "biogenic trend" and refers ... More
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745380
... cement. Facies 2 is a thin (<10 mm) bedded calcareous mudstone with normally graded beds consisting of wave and/or current rippled erosive lags composed of foram tests, fish debris, and other biogenic-sourced grains that grade to finer-grained matrix of argillaceous material and organic matter. Facies 3...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference and Exhibition-Asia Pacific, November 11–13, 2013
Paper Number: SPE-167070-MS
... time. The extent of the Gas Hydrate Stability Zone (GHSZ) can be simulated, as can the generation and migration of methane from biogenic and/or thermogenic sources and the formation timing and amounts of gas hydrates in the available pore spaces in the GHSZ. Effects of the gas hydrates...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751373
... assessment. Primary biogenic gas systems (biogenic gas generated by the biodegradation of sedimentary organic matter) are comparable to thermogenic hydrocarbon systems in terms of petroleum system elements: the concepts of source / reservoir / seal / trap are operant. However, the biogenic gas generation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24228-MS
... and ethane were also measured. Such gas measurements are typically performed in deepwaters around the world as elements of surface geochemical exploration programs for the purpose of distinguishing biogenic from thermogenic sources in seep gases. Various gas source models have been developed...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1922974-MS
... into the transitional zone between the detrital and authigenic groups. Even though Si and Zr are commonly associated with detrital minerals, they plot in an unexpected area in Figure 3 because the enrichment of Si in Bakken shales is mainly due to biogenic silica sourced by radiolarians. Figure 3: Cross-plot of two...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 11–14, 2019
Paper Number: SPE-197282-MS
... in the Gachsaran Formation is of a biogenic origin and sourced mainly from the organic-rich argillaceous limestone of the Middle Gachsaran. Gachsaran formation is comprised of alternating thin layers of anhydrite, limestone, marl and shale sediments in addition to the presence of salt layers in the lower part...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 1979
Paper Number: OTC-3411-MS
... in the sediments were as low as 14 indicating that the seepage may be of a petrogenic origin and not from shallow biogenic (microbial) sources. Significantly higher percentages of hydrocarbono- clastic bacteria were observed in the seep area. These may be a direct result of hydrocarbon seepage. No anomalous...

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