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Baseline studies of surface gas exchange and soil-gas composition in preparation for CO 2 sequestration research: Teapot Dome, Wyoming

机译:准备进行CO 2固存研究的地表气体交换和土壤-气体组成的基线研究:怀俄明州的茶壶穹顶

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摘要

A baseline determination of CO 2 and CH 4 fluxes and soil-gas concentrations of CO 2 and CH 4 was made over the Teapot Dome oil field in the Naval Petroleum Reserve 3 in Natrona County, Wyoming, United States. This was done in anticipation of the experimentation with CO 2 sequestration in the Pennsylvanian Tensleep Sandstone underlying the field at a depth of 5500 ft (1680 m). The measurements were made in January 2004 to capture the system with minimum biological activity in the soils, resulting in a minimum CO 2 flux and a maximum CH 4 flux. The CO 2 fluxes were measured in the field with an infrared spectroscopic method. The CH 4 fluxes were determined from gas-chromatographic measurements on discrete samples from under the flux chambers. The CO 2 and CH 4 were determined at 30-, 60-, and 100-cm (11-, 23-, and 39-in.) depths in soil gas by gas chromatography. A total of 40 locations had triplicate flux measurements using 1.00-m 2 (10.763-ft 2) chambers, and soil gas was sampled at single points at each of the 40 locations.
机译:基线测定CO 2 和CH 4 通量以及CO 2 和CH 的土壤气 浓度> 4 在美国怀俄明州纳特罗纳县海军石油储备3的Teapot Dome 油田上制成。预期在5500英尺深处的宾夕法尼亚州 Tensleep砂岩中进行 螯合实验,采用CO 2 隔离(1680 m)。在2004年1月进行了测量,以捕获在土壤中具有最小生物活性的 系统,从而产生 最小的CO 2 通量和最大的CH 4 通量。用红外光谱法在现场测量了CO 2 通量 CH 4 通量由助焊剂室下方离散样品的气相色谱测量 。确定CO 2 CH 4 在30-,60-和100-cm(11-,23-和 39英寸)。总共 40个位置使用1.00-m 2 (10.763-ft 2 )室进行了三次通量测量,并且在40个位置中的每个位置的单个点 采样土壤气体。

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  • 来源
    《AAPG Bulletin》 |2005年第8期|00000981-00001003|共23页
  • 作者

    Ronald W. Klusman;

  • 作者单位

    Department of Chemistry and Geochemistry, Colorado School of Mines, Golden, Colorado 80401rklusman@mines.edu;

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  • 正文语种 eng
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